From e54c70b2c45ca652ddd2808a95a057cb797eab58 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期六, 05 七月 2025 14:16:11 +0800
Subject: [PATCH] square天线NVM初始化问题解决调到和官方效果一致，初步移植完STS并能稳定一对一测距板本
---
keil/include/drivers/lis3dh_driver.c | 2348 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 2,348 insertions(+), 0 deletions(-)
diff --git a/keil/include/drivers/lis3dh_driver.c b/keil/include/drivers/lis3dh_driver.c
new file mode 100644
index 0000000..b22121f
--- /dev/null
+++ b/keil/include/drivers/lis3dh_driver.c
@@ -0,0 +1,2348 @@
+/******************** (C) COPYRIGHT 2012 STMicroelectronics ********************
+* File Name : LIS3DH_driver.c
+* Author : MSH Application Team
+* Author : Fabio Tota
+* Version : $Revision:$
+* Date : $Date:$
+* Description : LIS3DH driver file
+*
+* HISTORY:
+* Date | Modification | Author
+* 24/06/2011 | Initial Revision | Fabio Tota
+* 11/06/2012 | Support for multiple drivers in the same program | Abhishek Anand
+
+********************************************************************************
+* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+*
+* THIS SOFTWARE IS SPECIFICALLY DESIGNED FOR EXCLUSIVE USE WITH ST PARTS.
+*
+*******************************************************************************/
+
+/* Includes ------------------------------------------------------------------*/
+
+#include "lis3dh_driver.h"
+#include "stdlib.h"
+#include "math.h"
+#include "stdint.h"
+#include "mk_io.h"
+#include "mk_gpio.h"
+#include "global_param.h"
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+
+//int main(void)
+//{
+// delay_init(); //延时函数初始化
+// uart_init(115200); //串口初始化为115200
+// IIC2_Init();
+// delay_ms(100);
+// while(1)
+// {
+// LIS3DH_Data_Init();
+// delay_ms(1000);
+// }
+//
+//}
+
+
+
+
+#define ARM_BIT_8 0
+
+#if ARM_BIT_8
+//如下数据类型是在8位机上定义的，在其它平台（比如32位）可能存在差别，需要根据实际情况修改 。
+typedef unsigned char u8_m; /* 无符号8位整型变量*/
+typedef signed char s8_m; /* 有符号8位整型变量*/
+typedef unsigned int u16_m; /* 无符号16位整型变量*/
+typedef signed int s16_m; /* 有符号16位整型变量*/
+typedef unsigned long u32_m; /* 无符号32位整型变量*/
+typedef signed long s32_m; /* 有符号32位整型变量*/
+typedef float fp32_m; /* 单精度浮点数（32位长度）*/
+typedef double fp64_m; /* 双精度浮点数（64位长度）*/
+#else
+//如下数据类型是在32位机上定义的，在其它平台（比如8位）可能存在差别，需要根据实际情况修改 。
+typedef unsigned char u8_m; /* 无符号8位整型变量*/
+typedef signed char s8_m; /* 有符号8位整型变量*/
+typedef unsigned short u16_m; /* 无符号16位整型变量*/
+typedef signed short s16_m; /* 有符号16位整型变量*/
+typedef unsigned int u32_m; /* 无符号32位整型变量*/
+typedef signed int s32_m; /* 有符号32位整型变量*/
+typedef float fp32_m; /* 单精度浮点数（32位长度）*/
+typedef double fp64_m; /* 双精度浮点数（64位长度）*/
+#endif
+
+/*******************************************************************************
+Macro definitions - Register define for Gsensor
+********************************************************************************/
+#define REG_SPI_CONFIG 0x00
+#define REG_CHIP_ID 0x01
+#define REG_ACC_X_LSB 0x02
+#define REG_ACC_X_MSB 0x03
+#define REG_ACC_Y_LSB 0x04
+#define REG_ACC_Y_MSB 0x05
+#define REG_ACC_Z_LSB 0x06
+#define REG_ACC_Z_MSB 0x07
+#define REG_FIFO_STATUS 0x08
+#define REG_MOTION_FLAG 0x09
+#define REG_NEWDATA_FLAG 0x0A
+#define REG_TAP_ACTIVE_STATUS 0x0B
+#define REG_ORIENT_STATUS 0x0C
+#define REG_STEPS_MSB 0x0D
+#define REG_STEPS_LSB 0x0E
+#define REG_RESOLUTION_RANGE 0x0F
+#define REG_ODR_AXIS 0x10
+#define REG_MODE_BW 0x11
+#define REG_SWAP_POLARITY 0x12
+#define REG_FIFO_CTRL 0x14
+#define REG_INT_SET0 0x15
+#define REG_INT_SET1 0x16
+#define REG_INT_SET2 0x17
+#define REG_INT_MAP1 0x19
+#define REG_INT_MAP2 0x1a
+#define REG_INT_MAP3 0x1b
+#define REG_INT_CONFIG 0x20
+#define REG_INT_LATCH 0x21
+#define REG_FREEFALL_DUR 0x22
+#define REG_FREEFALL_THS 0x23
+#define REG_FREEFALL_HYST 0x24
+#define REG_ACTIVE_DUR 0x27
+#define REG_ACTIVE_THS 0x28
+#define REG_TAP_DUR 0x2A
+#define REG_TAP_THS 0x2B
+#define REG_ORIENT_HYST 0x2C
+#define REG_Z_BLOCK 0x2D
+#define REG_RESET_STEP 0x2E
+#define REG_STEP_CONGIF1 0x2F
+#define REG_STEP_CONGIF2 0x30
+#define REG_STEP_CONGIF3 0x31
+#define REG_STEP_CONGIF4 0x32
+#define REG_STEP_FILTER 0x33
+#define REG_SM_THRESHOLD 0x34
+
+#define DIFF_CALIBRATION 1
+
+
+u8_m i2c_addr = 0x27;
+
+s16_m offset_x=0, offset_y=0, offset_z=0;
+
+u16_m f_step=0;
+
+
+s8_m mir3da_register_read(u8_m ReadAddr, u8_m *data_m, u8_m Len)
+{
+
+ mir3da_ReadOneByte(ReadAddr);
+
+}
+
+s8_m mir3da_register_write(u8_m ReadAddr, u8_m data_m)
+{
+
+ mir3da_WriteOneByte(ReadAddr,data_m);
+
+}
+
+s8_m mir3da_register_mask_write(u8_m ReadAddr, u8_m mask, u8_m data)
+{
+ int res=0;
+ unsigned char tmp_data=0;
+
+ res = mir3da_register_read(ReadAddr, &tmp_data, 1);
+ tmp_data &= ~mask;
+ tmp_data |= data & mask;
+ res |= mir3da_register_write(ReadAddr, tmp_data);
+
+ return 0;
+}
+
+
+//void delay_us(uint32_t nTimer)
+//{
+// uint32_t i=0;
+// for(i=0;i<nTimer;i++){
+// __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+// __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+// __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+// __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+// __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+// __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();
+// __NOP();__NOP();__NOP();__NOP();
+// }
+//}
+AxesRaw_t lis2dhdata;
+
+//OLED初始化IIC
+uint8_t t11;
+void IIC2_Init(void)
+{
+// GPIO_InitTypeDef GPIO_InitStructure= {0};
+// __HAL_RCC_GPIOA_CLK_ENABLE();
+//
+// GPIO_InitStructure.Pin = GPIO_PIN_2|GPIO_PIN_3;
+// GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD ; //开漏输出
+// GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
+// HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
+// HAL_GPIO_WritePin(GPIOA,GPIO_PIN_2|GPIO_PIN_3,GPIO_PIN_SET); //PB6,PB7 输出高
+
+ //IIC引脚MK配置PIN10 SDA ,PIN11 SCL
+ io_pin_mux_set(SDA_PIN, IO_FUNC0);
+ io_pin_mux_set(SCL_PIN, IO_FUNC0);
+
+ gpio_pin_set_dir(SDA_PIN , GPIO_DIR_OUT, 1);
+ //io_open_drain_set(SDA_PIN, 1);
+ io_pull_set(SDA_PIN , IO_PULL_UP, IO_PULL_UP_LEVEL2);//输出高阻态
+
+ gpio_pin_set_dir(SCL_PIN , GPIO_DIR_OUT, 1);
+ //io_open_drain_set(SCL_PIN, 1);//设置开漏输出
+ io_pull_set(SCL_PIN , IO_HIGH_Z, IO_PULL_UP_NONE);
+}
+
+uint8_t lisid;
+uint8_t lisidtemp;
+
+void Accelerometer_Init()
+{
+
+ LIS3DH_GetWHO_AM_I(&lisidtemp);
+ lisid=(uint16_t)lisidtemp;
+
+ if(lisid == 0x33)
+ {
+ LIS3DH_Data_Init();
+ }
+ else
+ {
+ g_com_map[IMU_ENABLE]=0;
+ }
+
+}
+
+void mir3da_init()
+{
+ u8_m data_m = 0;
+ int i;
+ int threshold = 0;
+
+
+ //softreset
+ mir3da_register_write(REG_SPI_CONFIG, 0x24);
+ delay_us(20000);
+
+ mir3da_register_write(REG_RESOLUTION_RANGE, 0x00); //0x0F; +/-2G,14bit
+ mir3da_register_write(REG_ODR_AXIS, 0x05); //0x10; ODR=31.25hz(step counter minimum ODR)
+ mir3da_register_write(REG_MODE_BW, 0x04); //0x11; suspend mode, osr=1x, bw=1/10odr, autosleep disable
+
+ //load_offset_from_filesystem(offset_x, offset_y, offset_z); //pseudo-code
+
+ //private register, just do it.
+ mir3da_register_write(0x7F, 0x83);
+ mir3da_register_write(0x7F, 0x69);
+ mir3da_register_write(0x7F, 0xBD);
+
+ //don't pull up sd0 pin
+ if(i2c_addr == 0x26) {
+ mir3da_register_mask_write(0x8C, 0x40, 0x00);
+ }
+
+ mir3da_set_active_interrupt_enable(1);
+
+ g_com_map[IMU_THRES]=0x14;
+// LIS3DH_WriteReg(LIS3DH_INT1_THS, (uint8_t)g_com_map[IMU_THRES]); /* INT1_THS(32h): ?????? 0x10: 16*2(FS) 0x20: 32*16(FS) */
+ mir3da_register_write(REG_ACTIVE_THS,(uint8_t)g_com_map[IMU_THRES]);
+
+ delay_us(10);
+
+ mir3da_set_enable(1);
+
+ mir3da_set_step_counter_open(1);
+
+}
+
+
+void LIS3DH_Data_Init()
+{
+ //uint8_t buffer[26];
+
+ uint8_t response;
+// uint8_t lisidtemp;
+
+ LIS3DH_WriteReg(LIS3DH_CTRL_REG1, 0x37); /* CTRL_REG1(20h): ??sensor,???????? ODR 25HZ */
+ LIS3DH_WriteReg(LIS3DH_CTRL_REG2, 0x03); /* CTRL_REG2(21h): IA1?IA2 ?????? bc */
+
+ LIS3DH_WriteReg(LIS3DH_CTRL_REG3, 0x40); /* CTRL_REG3(22h): 0x80 ???????INT_1 INT_2 */
+ LIS3DH_WriteReg(LIS3DH_CTRL_REG4, 0x08); /* CTRL_REG4(23h): ???,????,???+/-2G,?????? */
+ LIS3DH_WriteReg(LIS3DH_INT1_CFG, 0xaa); /* INT1_CFG(30h): ??,6D X/Y/Z???????? */
+ g_com_map[IMU_THRES]=2;
+ LIS3DH_WriteReg(LIS3DH_INT1_THS, (uint8_t)g_com_map[IMU_THRES]); /* INT1_THS(32h): ?????? 0x10: 16*2(FS) 0x20: 32*16(FS) */
+ LIS3DH_WriteReg(LIS3DH_INT1_DURATION, 0x01); /* INT1_DURATION(33h): 1LSB=1/ODR ??ODR=100HZ ??1LSB=10ms ???? 1s,??100->0x64 */
+ /* Start sensor */
+ LIS3DH_WriteReg(0x20, 0x5f); /* CTRL_REG1(20h): Start sensor at ODR 100Hz Low-power mode */
+
+
+ // Read ID
+ LIS3DH_GetWHO_AM_I(&lisidtemp);
+// lisid=(uint16_t)lisidtemp;
+
+
+
+ //get Acceleration Raw data
+// response=LIS3DH_GetAccAxesRaw(&data);
+ //print data values
+ delay_us(10);
+// if(response==1)
+// {
+//
+// printf("传感器原始值:x=%d, y=%d, z=%d\r\n", lis2dhdata.AXIS_X, lis2dhdata.AXIS_Y, lis2dhdata.AXIS_Z);
+// printf( "处理后的加速度值Accel:[x]%dmg,[y]%dmg,[z]%dmg\r\n",
+// (int16_t)((float)lis2dhdata.AXIS_X*4/65536*1000),
+// (int16_t)((float)lis2dhdata.AXIS_Y*4/65536*1000),
+// (int16_t)((float)lis2dhdata.AXIS_Z*4/65536*1000));
+//
+// }
+
+}
+void LIS3DH_ENTER_STY_Init()
+{
+ //uint8_t buffer[26];
+
+ uint8_t response;
+ uint8_t lisidtemp;
+ //set ODR (turn ON device)
+ LIS3DH_SetODR(LIS3DH_ODR_10Hz);
+ //set PowerMode
+ LIS3DH_SetMode(LIS3DH_POWER_DOWN);
+ //set Fullscale
+ LIS3DH_SetFullScale(LIS3DH_FULLSCALE_2);
+ LIS3DH_SetInt2Pin(LIS3DH_I1_INT2_ON_PIN_INT1_ENABLE);
+//LIS3DH_SetTriggerInt(LIS3DH_TRIG_INT2);
+// LIS3DH_WriteReg(0x34,0xff);
+// LIS3DH_WriteReg(0x35,0x7f);
+// LIS3DH_WriteReg(0x36,0x20);
+ //set axis Enable
+ LIS3DH_SetAxis(LIS3DH_X_DISABLE | LIS3DH_Y_DISABLE | LIS3DH_Y_DISABLE);
+ // Read ID
+ //LIS3DH_GetWHO_AM_I(&lisidtemp);
+// lisid=(uint16_t)lisidtemp;
+// printf("LIS3DH ID: %x \r\n",lisid);
+ //get Acceleration Raw data
+// response=LIS3DH_GetAccAxesRaw(&data);
+ //print data values
+ //HAL_Delay(100);yuan
+ delay_us(100000);
+// if(response==1)
+// {
+//
+// printf("传感器原始值:x=%d, y=%d, z=%d\r\n", lis2dhdata.AXIS_X, lis2dhdata.AXIS_Y, lis2dhdata.AXIS_Z);
+// printf( "处理后的加速度值Accel:[x]%dmg,[y]%dmg,[z]%dmg\r\n",
+// (int16_t)((float)lis2dhdata.AXIS_X*4/65536*1000),
+// (int16_t)((float)lis2dhdata.AXIS_Y*4/65536*1000),
+// (int16_t)((float)lis2dhdata.AXIS_Z*4/65536*1000));
+//
+// }
+
+}
+
+
+//enable/disable the chip
+void mir3da_set_enable(int enable) //开启使能
+{
+ if(enable)
+ mir3da_register_mask_write(REG_MODE_BW, 0x80, 0x00); //power on
+ else
+ mir3da_register_mask_write(REG_MODE_BW, 0x80, 0x80);
+
+ delay_us(100000);
+}
+
+//Read three axis data, 2g range, counting 12bit, 1G=1000mg=1024lsb
+void mir3da_read_raw_data(short *x, short *y, short *z)
+{
+ u8_m tmp_data[6] = {0};
+
+ mir3da_register_read(REG_ACC_X_LSB, tmp_data, 6);
+
+ *x = ((short)(tmp_data[1] << 8 | tmp_data[0]))>> 4;
+ *y = ((short)(tmp_data[3] << 8 | tmp_data[2]))>> 4;
+ *z = ((short)(tmp_data[5] << 8 | tmp_data[4]))>> 4;
+}
+
+void mir3da_read_data(short *x, short *y, short *z)
+{
+ u8_m tmp_data[6] = {0};
+
+ mir3da_register_read(REG_ACC_X_LSB, tmp_data, 6);
+
+ *x = ((short)(tmp_data[1] << 8 | tmp_data[0])) >> 4 - offset_x;
+ *y = ((short)(tmp_data[3] << 8 | tmp_data[2])) >> 4 - offset_y;
+ *z = ((short)(tmp_data[5] << 8 | tmp_data[4])) >> 4 - offset_z;
+}
+
+//open active interrupt
+void mir3da_set_active_interrupt_enable(int enable)
+{
+ if(enable) {
+ mir3da_register_write(REG_ACTIVE_DUR, 0x00); //持续时间
+// mir3da_register_write(REG_ACTIVE_THS, 0x3); //阈值
+ mir3da_register_write(REG_INT_MAP1, 0x04 );
+ mir3da_register_write(REG_INT_SET1, 0x87);
+ }
+ else {
+ mir3da_register_write(REG_INT_SET1,0x00 );
+ mir3da_register_write(REG_INT_MAP1,0x00 );
+ }
+}
+
+void mir3da_set_step_counter_open(int enable) //开启步数计数
+{
+ if(enable) {
+ mir3da_register_write(REG_STEP_CONGIF1, 0x01);
+ mir3da_register_write(REG_STEP_CONGIF2, 0x62);
+ mir3da_register_write(REG_STEP_CONGIF3, 0x46);
+ mir3da_register_write(REG_STEP_CONGIF4, 0x32);
+ mir3da_register_write(REG_STEP_FILTER, 0xa2);
+ }
+ else {
+ mir3da_register_write(REG_STEP_FILTER, 0x22);
+ }
+}
+
+void mir3da_reset_step_counter(void)
+{
+ mir3da_register_mask_write(REG_RESET_STEP, 0x80, 0x80);
+}
+
+
+u16_m mir3da_get_step() //获得运动步数
+{
+ u8_m tmp_data[2] = {0};
+
+ f_step = mir3da_ReadLenByte(REG_STEPS_MSB, 2);
+
+ return f_step;
+
+}
+
+//获取数据
+
+float acc_g;
+
+float drv_lis2dh12_get_angle(void)
+{
+ float acc_x, acc_y, acc_z,acc_g;
+ float angle_x, angle_y, angle_z, angle_xyz;
+ int8_t data[6];
+ uint8_t i;
+ uint8_t response;
+ uint8_t lisidtemp;
+ //set ODR (turn ON device)
+ LIS3DH_SetODR(LIS3DH_ODR_100Hz);
+ //set PowerMode
+ LIS3DH_SetMode(LIS3DH_NORMAL);
+ //set Fullscale
+ LIS3DH_SetFullScale(LIS3DH_FULLSCALE_2);
+ //set axis Enable
+ LIS3DH_SetAxis(LIS3DH_X_ENABLE | LIS3DH_Y_ENABLE | LIS3DH_Z_ENABLE);
+ // Read ID
+ LIS3DH_GetWHO_AM_I(&lisidtemp);
+// lisid=(uint16_t)lisidtemp;
+// printf("LIS3DH ID: %x \r\n",lisid);
+ //get Acceleration Raw data
+ response=LIS3DH_GetAccAxesRaw(&lis2dhdata);
+ //print data values
+ delay_us(10);
+// LIS3DH_GetAccAxesRaw(&lis2dhdata);
+// for (i=0; i<6; i++)
+// drv_lis2dh12_iic_read_byte(0x28 + i, data+i);
+ if(response==1)
+ {
+ /* x, y, z ???? */
+ acc_x = abs(lis2dhdata.AXIS_X);
+ acc_y = abs(lis2dhdata.AXIS_Y);
+ acc_z = abs(lis2dhdata.AXIS_Z);
+
+ /* ????? */
+ acc_g = sqrt(pow(acc_x, 2) + pow(acc_y, 2) + pow(acc_z, 2));
+
+ if (acc_z > acc_g)
+ acc_z = acc_g;
+
+ /* angle_z/90 = asin(acc_z/acc_g)/p/2 */
+ angle_z = asin(acc_z/acc_g) * 2 / 3.14 * 90;
+ angle_z = 90 - angle_z;
+ if(angle_z < 0)
+ angle_z = 0;
+ }
+ return acc_g;
+}
+
+
+//产生IIC起始信号
+void IIC2_Start(void)
+{
+// IIC2_SDA_OUT(); //sda线输出
+ SDA_1;
+// delay_us(10);
+ SCL_1;
+// delay_us(10);
+ SDA_0;//START:when CLK is high,DATA change form high to low
+ delay_us(10);
+ SCL_0;//钳住I2C总线，准备发送或接收数据
+}
+//产生IIC停止信号
+void IIC2_Stop(void)
+{
+// IIC2_SDA_OUT();//sda线输出
+ SCL_0;
+// delay_us(10);
+ SDA_0;//STOP:when CLK is high DATA change form low to high
+ delay_us(10);
+ SCL_1;
+// delay_us(10);
+ SDA_1;//发送I2C总线结束信号
+ delay_us(10);
+
+}
+
+//等待应答信号到来
+//返回值：1，接收应答失败
+// 0，接收应答成功
+
+uint8_t IIC2_Wait_Ack(void)
+{
+ uint8_t ucErrTime=0;
+// IIC2_SDA_IN(); //SDA设置为输入
+ gpio_pin_set_dir(SDA_PIN , GPIO_DIR_IN, 1);
+ SDA_1;
+ delay_us(6);
+ SCL_1;
+ delay_us(6);
+
+ while(IIC2_READ_SDA)
+ {
+ ucErrTime++;
+ if(ucErrTime>250)
+ {
+ IIC2_Stop();
+ return 1;
+ }
+ }
+ gpio_pin_set_dir(SDA_PIN , GPIO_DIR_OUT, 1);
+ SCL_0;//时钟输出0
+ return 0;
+}
+//产生ACK应答
+void IIC2_Ack(void)
+{
+ SCL_0;
+// IIC2_SDA_OUT();
+ SDA_0;
+ delay_us(10);
+ SCL_1;
+ delay_us(10);
+ SCL_0;
+}
+//不产生ACK应答
+void IIC2_NAck(void)
+{
+ SCL_0;
+// IIC2_SDA_OUT();
+ SDA_1;
+ delay_us(10);
+ SCL_1;
+ delay_us(10);
+ SCL_0;
+}
+
+
+//IIC发送一个字节,WRITE
+//返回从机有无应答
+//1，有应答
+//0，无应答
+void IIC2_Send_Byte(uint8_t txd)
+{
+ uint8_t t;
+// IIC2_SDA_OUT();
+ SCL_0;//拉低时钟开始数据传输
+ for(t=0; t<8; t++)
+ {
+ if((txd&0x80)>>7)
+ {
+ SDA_1;
+ }
+ else
+ {
+ SDA_0;
+ }
+ txd <<= 1;
+ delay_us(10);
+ SCL_1;
+ delay_us(10);
+ SCL_0;
+ delay_us(10);
+ }
+}
+
+//读1个字节，ack=1时，发送ACK，ack=0，发送nACK
+uint8_t IIC2_Read_Byte(unsigned char ack)
+{
+ unsigned char i,receive=0;
+// IIC2_SDA_IN();//SDA设置为输入
+ for(i=0; i<8; i++ )
+ {
+ SCL_0;
+ delay_us(10);
+ SCL_1;
+ receive<<=1;
+ if(IIC2_READ_SDA)receive++;
+ delay_us(5);
+ }
+ if (!ack)
+ IIC2_NAck();//发送nACK
+ else
+ IIC2_Ack(); //发送ACK
+ return receive;
+}
+
+//在LIS3DH里面的指定地址开始读一字节数据
+//ReadAddr :读出的地址
+//返回值 :读出的数据
+uint8_t LIS3DH_ReadOneByte(uint16_t ReadAddr)
+{
+ uint8_t temp=0;
+ IIC2_Start();
+ IIC2_Send_Byte(0X32); //发送写命令
+ IIC2_Wait_Ack();
+ IIC2_Send_Byte(ReadAddr); //发送读地址
+ IIC2_Wait_Ack();
+ IIC2_Start();
+ IIC2_Send_Byte(0X33); //发送读命令，进入接收模式
+ IIC2_Wait_Ack();
+ temp=IIC2_Read_Byte(0);
+ IIC2_Stop(); //产生一个停止条件
+ return temp;
+}
+//在LIS3DH指定地址写入一个数据
+//WriteAddr :写入数据的目的地址
+//DataToWrite:要写入的数据
+void LIS3DH_WriteOneByte(uint16_t WriteAddr,uint8_t DataToWrite)
+{
+ IIC2_Start();
+ IIC2_Send_Byte(0X32); //发送写命令
+ IIC2_Wait_Ack();
+ IIC2_Send_Byte(WriteAddr); //发送地址
+ IIC2_Wait_Ack();
+ IIC2_Send_Byte(DataToWrite); //发送字节
+ IIC2_Wait_Ack();
+ IIC2_Stop();//产生一个停止条件
+ delay_us(10);
+
+}
+//在AT24CXX里面的指定地址开始写入长度为Len的数据
+//该函数用于写入16bit或者32bit的数据.
+//WriteAddr :开始写入的地址
+//DataToWrite:数据数组首地址
+//Len :要写入数据的长度2,4
+void LIS3DH_WriteLenByte(uint16_t WriteAddr,uint32_t DataToWrite,uint8_t Len)
+{
+ uint8_t t;
+ for(t=0; t<Len; t++)
+ {
+ LIS3DH_WriteOneByte(WriteAddr+t,(DataToWrite>>(8*t))&0xff);
+ }
+}
+
+//在AT24CXX里面的指定地址开始读出长度为Len的数据
+//该函数用于读出16bit或者32bit的数据.
+//ReadAddr :开始读出的地址
+//返回值 :数据
+//Len :要读出数据的长度2,4
+uint32_t LIS3DH_ReadLenByte(uint16_t ReadAddr,uint8_t Len)
+{
+ uint8_t t;
+ uint32_t temp=0;
+ for(t=0; t<Len; t++)
+ {
+ temp<<=8;
+ temp+=LIS3DH_ReadOneByte(ReadAddr+Len-t-1);
+ }
+ return temp;
+}
+
+//在mir3da里面的指定地址开始读一字节数据
+//ReadAddr :读出的地址
+//返回值 :读出的数据
+uint8_t mir3da_ReadOneByte(uint16_t ReadAddr)
+{
+ uint8_t temp=0;
+ IIC2_Start();
+ IIC2_Send_Byte(0X4e); //发送写命令
+ IIC2_Wait_Ack();
+ IIC2_Send_Byte(ReadAddr); //发送读地址
+ IIC2_Wait_Ack();
+ IIC2_Start();
+ IIC2_Send_Byte(0X4f); //发送读命令，进入接收模式
+ IIC2_Wait_Ack();
+ temp=IIC2_Read_Byte(0);
+ IIC2_Stop(); //产生一个停止条件
+ return temp;
+}
+//在mir3da指定地址写入一个数据
+//WriteAddr :写入数据的目的地址
+//DataToWrite:要写入的数据
+void mir3da_WriteOneByte(uint16_t WriteAddr,uint8_t DataToWrite)
+{
+ IIC2_Start();
+ IIC2_Send_Byte(0X4e); //发送写命令
+ IIC2_Wait_Ack();
+ IIC2_Send_Byte(WriteAddr); //发送地址
+ IIC2_Wait_Ack();
+ IIC2_Send_Byte(DataToWrite); //发送字节
+ IIC2_Wait_Ack();
+ IIC2_Stop();//产生一个停止条件
+ delay_us(10);
+
+}
+//在AT24CXX里面的指定地址开始写入长度为Len的数据
+//该函数用于写入16bit或者32bit的数据.
+//WriteAddr :开始写入的地址
+//DataToWrite:数据数组首地址
+//Len :要写入数据的长度2,4
+void mir3da_WriteLenByte(uint16_t WriteAddr,uint32_t DataToWrite,uint8_t Len)
+{
+ uint8_t t;
+ for(t=0; t<Len; t++)
+ {
+ mir3da_WriteOneByte(WriteAddr+t,(DataToWrite>>(8*t))&0xff);
+ }
+}
+
+//在AT24CXX里面的指定地址开始读出长度为Len的数据
+//该函数用于读出16bit或者32bit的数据.
+//ReadAddr :开始读出的地址
+//返回值 :数据
+//Len :要读出数据的长度2,4
+uint32_t bu=0;
+uint32_t mir3da_ReadLenByte(uint16_t ReadAddr,int Len)
+{
+ uint8_t t;
+ u8_m data[Len];
+ memset(data, 0, Len);
+ for(t=0; t<Len; t++)
+ {
+ data[t] = mir3da_ReadOneByte(ReadAddr+t);
+ }
+ bu = (data[0] << 8 | data[1])/2;
+
+ return bu;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_ReadReg
+* Description : Generic Reading function. It must be fullfilled with either
+* : I2C or SPI reading functions
+* Input : Register Address
+* Output : Data REad
+* Return : None
+*******************************************************************************/
+uint8_t LIS3DH_ReadReg(uint8_t Reg, uint8_t* Data) {
+
+ //To be completed with either I2c or SPI reading function
+ //i.e. *Data = SPI_Mems_Read_Reg( Reg );
+ *Data = LIS3DH_ReadOneByte(Reg);
+ return 1;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_WriteReg
+* Description : Generic Writing function. It must be fullfilled with either
+* : I2C or SPI writing function
+* Input : Register Address, Data to be written
+* Output : None
+* Return : None
+*******************************************************************************/
+uint8_t LIS3DH_WriteReg(uint8_t WriteAddr, uint8_t Data) {
+
+ //To be completed with either I2c or SPI writing function
+ //i.e. SPI_Mems_Write_Reg(WriteAddr, Data);
+ LIS3DH_WriteOneByte(WriteAddr,Data);
+
+ return 1;
+}
+
+/* Private functions ---------------------------------------------------------*/
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetWHO_AM_I
+* Description : Read identification code by WHO_AM_I register
+* Input : Char to empty by Device identification Value
+* Output : None
+* Return : Status [value of FSS]
+*******************************************************************************/
+status_t LIS3DH_GetWHO_AM_I(uint8_t* val) {
+
+ if( !LIS3DH_ReadReg(LIS3DH_WHO_AM_I, val) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetStatusAUX
+* Description : Read the AUX status register
+* Input : Char to empty by status register buffer
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetStatusAUX(uint8_t* val) {
+
+ if( !LIS3DH_ReadReg(LIS3DH_STATUS_AUX, val) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetStatusAUXBIT
+* Description : Read the AUX status register BIT
+* Input : LIS3DH_STATUS_AUX_321OR, LIS3DH_STATUS_AUX_3OR, LIS3DH_STATUS_AUX_2OR, LIS3DH_STATUS_AUX_1OR,
+ LIS3DH_STATUS_AUX_321DA, LIS3DH_STATUS_AUX_3DA, LIS3DH_STATUS_AUX_2DA, LIS3DH_STATUS_AUX_1DA
+* Output : None
+* Return : Status of BIT [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetStatusAUXBit(uint8_t statusBIT, uint8_t* val) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_STATUS_AUX, &value) )
+ return MEMS_ERROR;
+
+ if(statusBIT == LIS3DH_STATUS_AUX_321OR) {
+ if(value &= LIS3DH_STATUS_AUX_321OR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_3OR) {
+ if(value &= LIS3DH_STATUS_AUX_3OR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_2OR) {
+ if(value &= LIS3DH_STATUS_AUX_2OR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_1OR) {
+ if(value &= LIS3DH_STATUS_AUX_1OR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_321DA) {
+ if(value &= LIS3DH_STATUS_AUX_321DA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_3DA) {
+ if(value &= LIS3DH_STATUS_AUX_3DA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_2DA) {
+ if(value &= LIS3DH_STATUS_AUX_2DA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_STATUS_AUX_1DA) {
+ if(value &= LIS3DH_STATUS_AUX_1DA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+ return MEMS_ERROR;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetODR
+* Description : Sets LIS3DH Output Data Rate
+* Input : Output Data Rate
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetODR(LIS3DH_ODR_t ov) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG1, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x0f;
+ value |= ov<<LIS3DH_ODR_BIT;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG1, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetTemperature
+* Description : Sets LIS3DH Output Temperature
+* Input : MEMS_ENABLE, MEMS_DISABLE
+* Output : None
+* Note : For Read Temperature by LIS3DH_OUT_AUX_3, LIS3DH_SetADCAux and LIS3DH_SetBDU
+ functions must be ENABLE
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetTemperature(State_t state) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_TEMP_CFG_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+ value |= state<<LIS3DH_TEMP_EN;
+
+ if( !LIS3DH_WriteReg(LIS3DH_TEMP_CFG_REG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetADCAux
+* Description : Sets LIS3DH Output ADC
+* Input : MEMS_ENABLE, MEMS_DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetADCAux(State_t state) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_TEMP_CFG_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x7F;
+ value |= state<<LIS3DH_ADC_PD;
+
+ if( !LIS3DH_WriteReg(LIS3DH_TEMP_CFG_REG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetAuxRaw
+* Description : Read the Aux Values Output Registers
+* Input : Buffer to empty
+* Output : Aux Values Registers buffer
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetAuxRaw(LIS3DH_Aux123Raw_t* buff) {
+ uint8_t valueL;
+ uint8_t valueH;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_1_L, &valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_1_H, &valueH) )
+ return MEMS_ERROR;
+
+ buff->AUX_1 = (uint16_t)( (valueH << 8) | valueL )/16;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_2_L, &valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_2_H, &valueH) )
+ return MEMS_ERROR;
+
+ buff->AUX_2 = (uint16_t)( (valueH << 8) | valueL )/16;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_3_L, &valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_3_H, &valueH) )
+ return MEMS_ERROR;
+
+ buff->AUX_3 = (uint16_t)( (valueH << 8) | valueL )/16;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetTempRaw
+* Description : Read the Temperature Values by AUX Output Registers OUT_3_H
+* Input : Buffer to empty
+* Output : Temperature Values Registers buffer
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetTempRaw(int8_t* buff) {
+ uint8_t valueL;
+ uint8_t valueH;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_3_L, &valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_3_H, &valueH) )
+ return MEMS_ERROR;
+
+ *buff = (int8_t)( valueH );
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetMode
+* Description : Sets LIS3DH Operating Mode
+* Input : Modality (LIS3DH_NORMAL, LIS3DH_LOW_POWER, LIS3DH_POWER_DOWN)
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetMode(LIS3DH_Mode_t md) {
+ uint8_t value;
+ uint8_t value2;
+ static uint8_t ODR_old_value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG1, &value) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value2) )
+ return MEMS_ERROR;
+
+ if((value & 0xF0)==0)
+ value = value | (ODR_old_value & 0xF0); //if it comes from POWERDOWN
+
+ switch(md) {
+
+ case LIS3DH_POWER_DOWN:
+ ODR_old_value = value;
+ value &= 0x0F;
+ break;
+
+ case LIS3DH_NORMAL:
+ value &= 0xF7;
+ value |= (MEMS_RESET<<LIS3DH_LPEN);
+ value2 &= 0xF7;
+ value2 |= (MEMS_SET<<LIS3DH_HR); //set HighResolution_BIT
+ break;
+
+ case LIS3DH_LOW_POWER:
+ value &= 0xF7;
+ value |= (MEMS_SET<<LIS3DH_LPEN);
+ value2 &= 0xF7;
+ value2 |= (MEMS_RESET<<LIS3DH_HR); //reset HighResolution_BIT
+ break;
+
+ default:
+ return MEMS_ERROR;
+ }
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG1, value) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value2) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetAxis
+* Description : Enable/Disable LIS3DH Axis
+* Input : LIS3DH_X_ENABLE/DISABLE | LIS3DH_Y_ENABLE/DISABLE | LIS3DH_Z_ENABLE/DISABLE
+* Output : None
+* Note : You MUST use all input variable in the argument, as example
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetAxis(LIS3DH_Axis_t axis) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG1, &value) )
+ return MEMS_ERROR;
+ value &= 0xF8;
+ value |= (0x07 & axis);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG1, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetFullScale
+* Description : Sets the LIS3DH FullScale
+* Input : LIS3DH_FULLSCALE_2/LIS3DH_FULLSCALE_4/LIS3DH_FULLSCALE_8/LIS3DH_FULLSCALE_16
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetFullScale(LIS3DH_Fullscale_t fs) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xCF;
+ value |= (fs<<LIS3DH_FS);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetBDU
+* Description : Enable/Disable Block Data Update Functionality
+* Input : ENABLE/DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetBDU(State_t bdu) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x7F;
+ value |= (bdu<<LIS3DH_BDU);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetBLE
+* Description : Set Endianess (MSB/LSB)
+* Input : BLE_LSB / BLE_MSB
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetBLE(LIS3DH_Endianess_t ble) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+ value |= (ble<<LIS3DH_BLE);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetSelfTest
+* Description : Set Self Test Modality
+* Input : LIS3DH_SELF_TEST_DISABLE/ST_0/ST_1
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetSelfTest(LIS3DH_SelfTest_t st) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xF9;
+ value |= (st<<LIS3DH_ST);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_HPFClick
+* Description : Enable/Disable High Pass Filter for click
+* Input : MEMS_ENABLE/MEMS_DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_HPFClickEnable(State_t hpfe) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xFB;
+ value |= (hpfe<<LIS3DH_HPCLICK);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_HPFAOI1
+* Description : Enable/Disable High Pass Filter for AOI on INT_1
+* Input : MEMS_ENABLE/MEMS_DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_HPFAOI1Enable(State_t hpfe) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xFE;
+ value |= (hpfe<<LIS3DH_HPIS1);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_HPFAOI2
+* Description : Enable/Disable High Pass Filter for AOI on INT_2
+* Input : MEMS_ENABLE/MEMS_DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_HPFAOI2Enable(State_t hpfe) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xFD;
+ value |= (hpfe<<LIS3DH_HPIS2);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetHPFMode
+* Description : Set High Pass Filter Modality
+* Input : LIS3DH_HPM_NORMAL_MODE_RES/LIS3DH_HPM_REF_SIGNAL/
+ LIS3DH_HPM_NORMAL_MODE/LIS3DH_HPM_AUTORESET_INT
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetHPFMode(LIS3DH_HPFMode_t hpm) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x3F;
+ value |= (hpm<<LIS3DH_HPM);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetHPFCutOFF
+* Description : Set High Pass CUT OFF Freq
+* Input : HPFCF [0,3]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetHPFCutOFF(LIS3DH_HPFCutOffFreq_t hpf) {
+ uint8_t value;
+
+ if (hpf > 3)
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xCF;
+ value |= (hpf<<LIS3DH_HPCF);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetFilterDataSel
+* Description : Set Filter Data Selection bypassed or sent to FIFO OUT register
+* Input : MEMS_SET, MEMS_RESET
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetFilterDataSel(State_t state) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG2, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xF7;
+ value |= (state<<LIS3DH_FDS);
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG2, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetInt1Pin
+* Description : Set Interrupt1 pin Function
+* Input : LIS3DH_CLICK_ON_PIN_INT1_ENABLE/DISABLE | LIS3DH_I1_INT1_ON_PIN_INT1_ENABLE/DISABLE |
+ LIS3DH_I1_INT2_ON_PIN_INT1_ENABLE/DISABLE | LIS3DH_I1_DRDY1_ON_INT1_ENABLE/DISABLE |
+ LIS3DH_I1_DRDY2_ON_INT1_ENABLE/DISABLE | LIS3DH_WTM_ON_INT1_ENABLE/DISABLE |
+ LIS3DH_INT1_OVERRUN_ENABLE/DISABLE
+* example : SetInt1Pin(LIS3DH_CLICK_ON_PIN_INT1_ENABLE | LIS3DH_I1_INT1_ON_PIN_INT1_ENABLE |
+ LIS3DH_I1_INT2_ON_PIN_INT1_DISABLE | LIS3DH_I1_DRDY1_ON_INT1_ENABLE | LIS3DH_I1_DRDY2_ON_INT1_ENABLE |
+ LIS3DH_WTM_ON_INT1_DISABLE | LIS3DH_INT1_OVERRUN_DISABLE )
+* Note : To enable Interrupt signals on INT1 Pad (You MUST use all input variable in the argument, as example)
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetInt1Pin(LIS3DH_IntPinConf_t pinConf) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG3, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x00;
+ value |= pinConf;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG3, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetInt2Pin
+* Description : Set Interrupt2 pin Function
+* Input : LIS3DH_CLICK_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_INT1_ON_PIN_INT2_ENABLE/DISABLE |
+ LIS3DH_I2_INT2_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_BOOT_ON_INT2_ENABLE/DISABLE |
+ LIS3DH_INT_ACTIVE_HIGH/LOW
+* example : LIS3DH_SetInt2Pin(LIS3DH_CLICK_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_INT1_ON_PIN_INT2_ENABLE/DISABLE |
+ LIS3DH_I2_INT2_ON_PIN_INT2_ENABLE/DISABLE | LIS3DH_I2_BOOT_ON_INT2_ENABLE/DISABLE |
+ LIS3DH_INT_ACTIVE_HIGH/LOW)
+* Note : To enable Interrupt signals on INT2 Pad (You MUST use all input variable in the argument, as example)
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetInt2Pin(LIS3DH_IntPinConf_t pinConf) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG6, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x00;
+ value |= pinConf;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG6, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetClickCFG
+* Description : Set Click Interrupt config Function
+* Input : LIS3DH_ZD_ENABLE/DISABLE | LIS3DH_ZS_ENABLE/DISABLE | LIS3DH_YD_ENABLE/DISABLE |
+ LIS3DH_YS_ENABLE/DISABLE | LIS3DH_XD_ENABLE/DISABLE | LIS3DH_XS_ENABLE/DISABLE
+* example : LIS3DH_SetClickCFG( LIS3DH_ZD_ENABLE | LIS3DH_ZS_DISABLE | LIS3DH_YD_ENABLE |
+ LIS3DH_YS_DISABLE | LIS3DH_XD_ENABLE | LIS3DH_XS_ENABLE)
+* Note : You MUST use all input variable in the argument, as example
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetClickCFG(uint8_t status) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CLICK_CFG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xC0;
+ value |= status;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CLICK_CFG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetClickTHS
+* Description : Set Click Interrupt threshold
+* Input : Click-click Threshold value [0-127]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetClickTHS(uint8_t ths) {
+
+ if(ths>127)
+ return MEMS_ERROR;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CLICK_THS, ths) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetClickLIMIT
+* Description : Set Click Interrupt Time Limit
+* Input : Click-click Time Limit value [0-127]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetClickLIMIT(uint8_t t_limit) {
+
+ if(t_limit>127)
+ return MEMS_ERROR;
+
+ if( !LIS3DH_WriteReg(LIS3DH_TIME_LIMIT, t_limit) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetClickLATENCY
+* Description : Set Click Interrupt Time Latency
+* Input : Click-click Time Latency value [0-255]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetClickLATENCY(uint8_t t_latency) {
+
+ if( !LIS3DH_WriteReg(LIS3DH_TIME_LATENCY, t_latency) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetClickWINDOW
+* Description : Set Click Interrupt Time Window
+* Input : Click-click Time Window value [0-255]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetClickWINDOW(uint8_t t_window) {
+
+ if( !LIS3DH_WriteReg(LIS3DH_TIME_WINDOW, t_window) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetClickResponse
+* Description : Get Click Interrupt Response by CLICK_SRC REGISTER
+* Input : char to empty by Click Response Typedef
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetClickResponse(uint8_t* res) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CLICK_SRC, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x7F;
+
+ if((value & LIS3DH_IA)==0) {
+ *res = LIS3DH_NO_CLICK;
+ return MEMS_SUCCESS;
+ }
+ else {
+ if (value & LIS3DH_DCLICK) {
+ if (value & LIS3DH_CLICK_SIGN) {
+ if (value & LIS3DH_CLICK_Z) {
+ *res = LIS3DH_DCLICK_Z_N;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_Y) {
+ *res = LIS3DH_DCLICK_Y_N;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_X) {
+ *res = LIS3DH_DCLICK_X_N;
+ return MEMS_SUCCESS;
+ }
+ }
+ else {
+ if (value & LIS3DH_CLICK_Z) {
+ *res = LIS3DH_DCLICK_Z_P;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_Y) {
+ *res = LIS3DH_DCLICK_Y_P;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_X) {
+ *res = LIS3DH_DCLICK_X_P;
+ return MEMS_SUCCESS;
+ }
+ }
+ }
+ else {
+ if (value & LIS3DH_CLICK_SIGN) {
+ if (value & LIS3DH_CLICK_Z) {
+ *res = LIS3DH_SCLICK_Z_N;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_Y) {
+ *res = LIS3DH_SCLICK_Y_N;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_X) {
+ *res = LIS3DH_SCLICK_X_N;
+ return MEMS_SUCCESS;
+ }
+ }
+ else {
+ if (value & LIS3DH_CLICK_Z) {
+ *res = LIS3DH_SCLICK_Z_P;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_Y) {
+ *res = LIS3DH_SCLICK_Y_P;
+ return MEMS_SUCCESS;
+ }
+ if (value & LIS3DH_CLICK_X) {
+ *res = LIS3DH_SCLICK_X_P;
+ return MEMS_SUCCESS;
+ }
+ }
+ }
+ }
+ return MEMS_ERROR;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_Int1LatchEnable
+* Description : Enable Interrupt 1 Latching function
+* Input : ENABLE/DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_Int1LatchEnable(State_t latch) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xF7;
+ value |= latch<<LIS3DH_LIR_INT1;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_ResetInt1Latch
+* Description : Reset Interrupt 1 Latching function
+* Input : None
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_ResetInt1Latch(void) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, &value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetIntConfiguration
+* Description : Interrupt 1 Configuration (without LIS3DH_6D_INT)
+* Input : LIS3DH_INT1_AND/OR | LIS3DH_INT1_ZHIE_ENABLE/DISABLE | LIS3DH_INT1_ZLIE_ENABLE/DISABLE...
+* Output : None
+* Note : You MUST use all input variable in the argument, as example
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetIntConfiguration(LIS3DH_Int1Conf_t ic) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_CFG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x40;
+ value |= ic;
+
+ if( !LIS3DH_WriteReg(LIS3DH_INT1_CFG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetIntMode
+* Description : Interrupt 1 Configuration mode (OR, 6D Movement, AND, 6D Position)
+* Input : LIS3DH_INT_MODE_OR, LIS3DH_INT_MODE_6D_MOVEMENT, LIS3DH_INT_MODE_AND,
+ LIS3DH_INT_MODE_6D_POSITION
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetIntMode(LIS3DH_Int1Mode_t int_mode) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_CFG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x3F;
+ value |= (int_mode<<LIS3DH_INT_6D);
+
+ if( !LIS3DH_WriteReg(LIS3DH_INT1_CFG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetInt6D4DConfiguration
+* Description : 6D, 4D Interrupt Configuration
+* Input : LIS3DH_INT1_6D_ENABLE, LIS3DH_INT1_4D_ENABLE, LIS3DH_INT1_6D_4D_DISABLE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetInt6D4DConfiguration(LIS3DH_INT_6D_4D_t ic) {
+ uint8_t value;
+ uint8_t value2;
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_CFG, &value) )
+ return MEMS_ERROR;
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value2) )
+ return MEMS_ERROR;
+
+ if(ic == LIS3DH_INT1_6D_ENABLE) {
+ value &= 0xBF;
+ value |= (MEMS_ENABLE<<LIS3DH_INT_6D);
+ value2 &= 0xFB;
+ value2 |= (MEMS_DISABLE<<LIS3DH_D4D_INT1);
+ }
+
+ if(ic == LIS3DH_INT1_4D_ENABLE) {
+ value &= 0xBF;
+ value |= (MEMS_ENABLE<<LIS3DH_INT_6D);
+ value2 &= 0xFB;
+ value2 |= (MEMS_ENABLE<<LIS3DH_D4D_INT1);
+ }
+
+ if(ic == LIS3DH_INT1_6D_4D_DISABLE) {
+ value &= 0xBF;
+ value |= (MEMS_DISABLE<<LIS3DH_INT_6D);
+ value2 &= 0xFB;
+ value2 |= (MEMS_DISABLE<<LIS3DH_D4D_INT1);
+ }
+
+ if( !LIS3DH_WriteReg(LIS3DH_INT1_CFG, value) )
+ return MEMS_ERROR;
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value2) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_Get6DPosition
+* Description : 6D, 4D Interrupt Position Detect
+* Input : Byte to empty by POSITION_6D_t Typedef
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_Get6DPosition(uint8_t* val) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x7F;
+
+ switch (value) {
+ case LIS3DH_UP_SX:
+ *val = LIS3DH_UP_SX;
+ break;
+ case LIS3DH_UP_DX:
+ *val = LIS3DH_UP_DX;
+ break;
+ case LIS3DH_DW_SX:
+ *val = LIS3DH_DW_SX;
+ break;
+ case LIS3DH_DW_DX:
+ *val = LIS3DH_DW_DX;
+ break;
+ case LIS3DH_TOP:
+ *val = LIS3DH_TOP;
+ break;
+ case LIS3DH_BOTTOM:
+ *val = LIS3DH_BOTTOM;
+ break;
+ }
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetInt1Threshold
+* Description : Sets Interrupt 1 Threshold
+* Input : Threshold = [0,31]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetInt1Threshold(uint8_t ths) {
+ if (ths > 127)
+ return MEMS_ERROR;
+
+ if( !LIS3DH_WriteReg(LIS3DH_INT1_THS, ths) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetInt1Duration
+* Description : Sets Interrupt 1 Duration
+* Input : Duration value
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetInt1Duration(LIS3DH_Int1Conf_t id) {
+
+ if (id > 127)
+ return MEMS_ERROR;
+
+ if( !LIS3DH_WriteReg(LIS3DH_INT1_DURATION, id) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_FIFOModeEnable
+* Description : Sets Fifo Modality
+* Input : LIS3DH_FIFO_DISABLE, LIS3DH_FIFO_BYPASS_MODE, LIS3DH_FIFO_MODE,
+ LIS3DH_FIFO_STREAM_MODE, LIS3DH_FIFO_TRIGGER_MODE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_FIFOModeEnable(LIS3DH_FifoMode_t fm) {
+ uint8_t value;
+
+ if(fm == LIS3DH_FIFO_DISABLE) {
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x1F;
+ value |= (LIS3DH_FIFO_BYPASS_MODE<<LIS3DH_FM);
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) ) //fifo mode bypass
+ return MEMS_ERROR;
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo disable
+ return MEMS_ERROR;
+ }
+
+ if(fm == LIS3DH_FIFO_BYPASS_MODE) {
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+ value |= MEMS_SET<<LIS3DH_FIFO_EN;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
+ return MEMS_ERROR;
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x1f;
+ value |= (fm<<LIS3DH_FM); //fifo mode configuration
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
+ return MEMS_ERROR;
+ }
+
+ if(fm == LIS3DH_FIFO_MODE) {
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+ value |= MEMS_SET<<LIS3DH_FIFO_EN;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
+ return MEMS_ERROR;
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x1f;
+ value |= (fm<<LIS3DH_FM); //fifo mode configuration
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
+ return MEMS_ERROR;
+ }
+
+ if(fm == LIS3DH_FIFO_STREAM_MODE) {
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+ value |= MEMS_SET<<LIS3DH_FIFO_EN;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
+ return MEMS_ERROR;
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x1f;
+ value |= (fm<<LIS3DH_FM); //fifo mode configuration
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
+ return MEMS_ERROR;
+ }
+
+ if(fm == LIS3DH_FIFO_TRIGGER_MODE) {
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG5, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xBF;
+ value |= MEMS_SET<<LIS3DH_FIFO_EN;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG5, value) ) //fifo enable
+ return MEMS_ERROR;
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x1f;
+ value |= (fm<<LIS3DH_FM); //fifo mode configuration
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
+ return MEMS_ERROR;
+ }
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetTriggerInt
+* Description : Trigger event liked to trigger signal INT1/INT2
+* Input : LIS3DH_TRIG_INT1/LIS3DH_TRIG_INT2
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetTriggerInt(LIS3DH_TrigInt_t tr) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xDF;
+ value |= (tr<<LIS3DH_TR);
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetWaterMark
+* Description : Sets Watermark Value
+* Input : Watermark = [0,31]
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetWaterMark(uint8_t wtm) {
+ uint8_t value;
+
+ if(wtm > 31)
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_CTRL_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xE0;
+ value |= wtm;
+
+ if( !LIS3DH_WriteReg(LIS3DH_FIFO_CTRL_REG, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetStatusReg
+* Description : Read the status register
+* Input : char to empty by Status Reg Value
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetStatusReg(uint8_t* val) {
+ if( !LIS3DH_ReadReg(LIS3DH_STATUS_REG, val) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetStatusBIT
+* Description : Read the status register BIT
+* Input : LIS3DH_STATUS_REG_ZYXOR, LIS3DH_STATUS_REG_ZOR, LIS3DH_STATUS_REG_YOR, LIS3DH_STATUS_REG_XOR,
+ LIS3DH_STATUS_REG_ZYXDA, LIS3DH_STATUS_REG_ZDA, LIS3DH_STATUS_REG_YDA, LIS3DH_STATUS_REG_XDA,
+ LIS3DH_DATAREADY_BIT
+ val: Byte to be filled with the status bit
+* Output : status register BIT
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetStatusBit(uint8_t statusBIT, uint8_t* val) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_STATUS_REG, &value) )
+ return MEMS_ERROR;
+
+ switch (statusBIT) {
+ case LIS3DH_STATUS_REG_ZYXOR:
+ if(value &= LIS3DH_STATUS_REG_ZYXOR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_ZOR:
+ if(value &= LIS3DH_STATUS_REG_ZOR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_YOR:
+ if(value &= LIS3DH_STATUS_REG_YOR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_XOR:
+ if(value &= LIS3DH_STATUS_REG_XOR) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_ZYXDA:
+ if(value &= LIS3DH_STATUS_REG_ZYXDA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_ZDA:
+ if(value &= LIS3DH_STATUS_REG_ZDA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_YDA:
+ if(value &= LIS3DH_STATUS_REG_YDA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ case LIS3DH_STATUS_REG_XDA:
+ if(value &= LIS3DH_STATUS_REG_XDA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+
+ }
+ return MEMS_ERROR;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetAccAxesRaw
+* Description : Read the Acceleration Values Output Registers
+* Input : buffer to empity by AxesRaw_t Typedef
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetAccAxesRaw(AxesRaw_t* buff) {
+ int16_t value;
+ uint8_t *valueL = (uint8_t *)(&value);
+ uint8_t *valueH = ((uint8_t *)(&value)+1);
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_X_L, valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_X_H, valueH) )
+ return MEMS_ERROR;
+
+ buff->AXIS_X = value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_Y_L, valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_Y_H, valueH) )
+ return MEMS_ERROR;
+
+ buff->AXIS_Y = value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_Z_L, valueL) )
+ return MEMS_ERROR;
+
+ if( !LIS3DH_ReadReg(LIS3DH_OUT_Z_H, valueH) )
+ return MEMS_ERROR;
+
+ buff->AXIS_Z = value;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetInt1Src
+* Description : Reset Interrupt 1 Latching function
+* Input : Char to empty by Int1 source value
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetInt1Src(uint8_t* val) {
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, val) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetInt1SrcBit
+* Description : Reset Interrupt 1 Latching function
+* Input : statusBIT: LIS3DH_INT_SRC_IA, LIS3DH_INT_SRC_ZH, LIS3DH_INT_SRC_ZL.....
+* val: Byte to be filled with the status bit
+* Output : None
+* Return : Status of BIT [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetInt1SrcBit(uint8_t statusBIT, uint8_t* val) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_INT1_SRC, &value) )
+ return MEMS_ERROR;
+
+ if(statusBIT == LIS3DH_INT1_SRC_IA) {
+ if(value &= LIS3DH_INT1_SRC_IA) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_INT1_SRC_ZH) {
+ if(value &= LIS3DH_INT1_SRC_ZH) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_INT1_SRC_ZL) {
+ if(value &= LIS3DH_INT1_SRC_ZL) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_INT1_SRC_YH) {
+ if(value &= LIS3DH_INT1_SRC_YH) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_INT1_SRC_YL) {
+ if(value &= LIS3DH_INT1_SRC_YL) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+ if(statusBIT == LIS3DH_INT1_SRC_XH) {
+ if(value &= LIS3DH_INT1_SRC_XH) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_INT1_SRC_XL) {
+ if(value &= LIS3DH_INT1_SRC_XL) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+ return MEMS_ERROR;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetFifoSourceReg
+* Description : Read Fifo source Register
+* Input : Byte to empty by FIFO source register value
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetFifoSourceReg(uint8_t* val) {
+
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_SRC_REG, val) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetFifoSourceBit
+* Description : Read Fifo WaterMark source bit
+* Input : statusBIT: LIS3DH_FIFO_SRC_WTM, LIS3DH_FIFO_SRC_OVRUN, LIS3DH_FIFO_SRC_EMPTY
+* val: Byte to fill with the bit value
+* Output : None
+* Return : Status of BIT [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_GetFifoSourceBit(uint8_t statusBIT, uint8_t* val) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_SRC_REG, &value) )
+ return MEMS_ERROR;
+
+
+ if(statusBIT == LIS3DH_FIFO_SRC_WTM) {
+ if(value &= LIS3DH_FIFO_SRC_WTM) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+
+ if(statusBIT == LIS3DH_FIFO_SRC_OVRUN) {
+ if(value &= LIS3DH_FIFO_SRC_OVRUN) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+ if(statusBIT == LIS3DH_FIFO_SRC_EMPTY) {
+ if(value &= statusBIT == LIS3DH_FIFO_SRC_EMPTY) {
+ *val = MEMS_SET;
+ return MEMS_SUCCESS;
+ }
+ else {
+ *val = MEMS_RESET;
+ return MEMS_SUCCESS;
+ }
+ }
+ return MEMS_ERROR;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_GetFifoSourceFSS
+* Description : Read current number of unread samples stored in FIFO
+* Input : Byte to empty by FIFO unread sample value
+* Output : None
+* Return : Status [value of FSS]
+*******************************************************************************/
+status_t LIS3DH_GetFifoSourceFSS(uint8_t* val) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_FIFO_SRC_REG, &value) )
+ return MEMS_ERROR;
+
+ value &= 0x1F;
+
+ *val = value;
+
+ return MEMS_SUCCESS;
+}
+
+
+/*******************************************************************************
+* Function Name : LIS3DH_SetSPIInterface
+* Description : Set SPI mode: 3 Wire Interface OR 4 Wire Interface
+* Input : LIS3DH_SPI_3_WIRE, LIS3DH_SPI_4_WIRE
+* Output : None
+* Return : Status [MEMS_ERROR, MEMS_SUCCESS]
+*******************************************************************************/
+status_t LIS3DH_SetSPIInterface(LIS3DH_SPIMode_t spi) {
+ uint8_t value;
+
+ if( !LIS3DH_ReadReg(LIS3DH_CTRL_REG4, &value) )
+ return MEMS_ERROR;
+
+ value &= 0xFE;
+ value |= spi<<LIS3DH_SIM;
+
+ if( !LIS3DH_WriteReg(LIS3DH_CTRL_REG4, value) )
+ return MEMS_ERROR;
+
+ return MEMS_SUCCESS;
+}
+/******************* (C) COPYRIGHT 2012 STMicroelectronics *****END OF FILE****/
+
--
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