From cbc3ed1b6ead25a22d1efd51401e73d7e93e2b4d Mon Sep 17 00:00:00 2001
From: zhangbo <zhangbo@qq.com>
Date: 星期三, 16 七月 2025 18:10:42 +0800
Subject: [PATCH] 1g加速度测试通过
---
keil/include/drivers/SC7A22H_example.c | 147 +++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 125 insertions(+), 22 deletions(-)
diff --git a/keil/include/drivers/SC7A22H_example.c b/keil/include/drivers/SC7A22H_example.c
index be59a54..cd8a15c 100644
--- a/keil/include/drivers/SC7A22H_example.c
+++ b/keil/include/drivers/SC7A22H_example.c
@@ -1,6 +1,6 @@
#include "SC7A22H.h"
#include "mk_trace.h"
-
+#include "WS2812.h"
//轮询获取三轴数据示例
@@ -111,8 +111,43 @@
}
+float g_x, g_y, g_z;
+void test_gravity_reading()
+{
+
+// SL_SC7A22H_I2c_Spi_Init(SL_SC7A22H_SPI_IIC_MODE);
+// SL_SC7A22H_Soft_Reset();
+// SL_SC7A22H_Check();
+
+// SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x7D, 0x04); // 使能加速度计
+// SL_SC7A22H_Delay_Ms(50);
+// SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x00); // ±2g量程
+// SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x40, 0x0A); // 400Hz输出速率
+ //转换数据
+ signed short x_raw, y_raw, z_raw;
+ const float sensitivity = 16384;
+//16位数据 1g值 量程 2G 4G 8G 16G
+
+//16384 1g值 1g 2g 4g 8g
+
+
+ while(1)
+ {
+ SL_SC7A22H_RawData_Read(&x_raw, &y_raw, &z_raw);
+
+ // 转换为重力加速度值(g)
+ g_x = (float)x_raw/sensitivity;
+ g_y = (float)y_raw/sensitivity;
+ g_z = (float)z_raw/sensitivity;
+
+ SL_SC7A22H_Delay_Ms(250); // 250ms采样间隔
+ }
+}
uint8_t double_click_flag=0;
+unsigned char click_flag;
+uint8_t click_count=0;
+extern uint32_t uwbled,rtkled,led4g,powerled;
/*******双击检测示例*********/
void SC7A22H_get_double_click()
{
@@ -132,21 +167,21 @@
SL_SC7A22H_Delay_Ms(200);
//5,量程设置：+-4G
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x01);//ACC_RANGE ±4G
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x00);//ACC_RANGE ±4G
//6，敲击中断设置
//输出数据寄存器不更新直到 MSB 和 LSB 被读取 2,地址自增，连续读写时地址自增
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x05, 0x50);//I2C_CFG
//推挽输出使能, 中断触发时输出高电平（默认低电平），CLICK 中断在 INT1 上
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x06, 0x07);//INT_CFG1 CLICK TO INT1
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x06, 0x27);//INT_CFG1 CLICK TO INT1
//禁止滤波
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x08, 0x00);//Disable DLPF
//AOI 中断使能，AOI1滤波使能，锁存 AOI1_CFG 寄存器上指定的中断响应
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x3F, 0x11);//HPIS1=1 LIR_AOI1
//XYZ 轴高事件中断或者 Z 轴方向检测中断使能，
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x30, 0x2A);//xyz for aoi1 or event
-//AIO1阈值：4G----32mg*8=256mg
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x32, 0x08);//aoi1 vth
+//AIO1阈值：2G----16mg*8=128mg
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x32, 0x28);//aoi1 vth
//识别AIO1事件的最小持续时间
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x33, 0x02);//aoi1 tth
@@ -161,7 +196,7 @@
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x40, 0x52);//CLICK_COEFF1
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x9A);//CLICK_COEFF2
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x42, 0x04);//CLICK_COEFF3
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x43, 0x52);//CLICK_COEFF4 //0x52中的2表示敲击次数
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x43, 0x51);//CLICK_COEFF4 //0x52中的2表示敲击次数
SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x7F, 0x00);//goto 0x00
SL_SC7A22H_Delay_Ms(1);
//8，低功耗模式使能 400Hz输出
@@ -171,27 +206,33 @@
//等待中断触发
double_click_flag=0;
- while(1)
+while(1)
+{
+ if(double_click_flag)
{
- if(double_click_flag)
- {
- double_click_flag=0;
- SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE, 0x39, 1, &CLICK_status);
- printf("SC7A22H_INT1_SRC:%x\r\n",CLICK_status);
-
- }
-
+
+ unsigned char CLICK_status;
+ double_click_flag=0;
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE, 0x39, 1, &CLICK_status);
+ click_count++;
+ click_count++;
+ click_count++;
+
}
+
+}
}
//用户需自定义中断服务函数，当运动检测事件触发时INT1会从高电平变为低电平，用户可以IO捕捉下降沿产生中断
//在其中断服务中调用改函数
+unsigned char Click_count;
void double_click_interrupt_callback()
-{
- double_click_flag=1;
+{ delay_ms(100);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE, 0x39, 1, &Click_count);
+ LOG_INFO(TRACE_MODULE_APP,"触发振动：振动次数%d. \r\n",Click_count);
+ test_gravity_reading();
}
-
/***************计步检测示例*********/
@@ -365,14 +406,14 @@
//低功耗模式使能, 低功耗模式:1个数据平均一次，50Hz输出
//全量程选择:±8G
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x02);//ACC_RANGE ±8G
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x02);//ACC_RANGE ±8G
SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE, 0x6D, 1, ®_value);
- delay_ms(60);
+ delay_ms(60);
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x40, 0xac);//ACC_CONF 0x07=50Hz
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x40, 0xac);//ACC_CONF 0x07=50Hz
delay_ms(60);
//地址自增，连续读写时地址自增,连续更新
- SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x05, 0x10);//I2C_CFG
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x05, 0x10);//I2C_CFG
delay_ms(60);
// SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE, 0x6D, 1, ®_value);
//自测试模式使能---正方向， 偏转低振幅
@@ -388,3 +429,65 @@
}
}
+
+uint16_t val[8] = {0};
+void SC7A22H_Dump_Config(void)
+{
+
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x40,1,&val[0]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x41,1,&val[1]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x3F,1,&val[2]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x06,1,&val[3]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x08,1,&val[4]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x30,1,&val[5]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x32,1,&val[6]);
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE,0x33,1,&val[7]);
+}
+//运动检测
+void SC7A22H_Motion_Detection_Init()
+{
+ unsigned char reg_value = 0;
+
+ // 1. 初始化通信接口
+// SL_SC7A22H_I2c_Spi_Init(SL_SC7A22H_SPI_IIC_MODE);
+
+ // 2. 复位芯片
+ SL_SC7A22H_Soft_Reset();
+
+ // 3. 检查芯片
+ SL_SC7A22H_Check();
+
+ // 4. 加速度计使能
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x7D, 0x04); // PWR_CTRL ENABLE ACC
+ SL_SC7A22H_Delay_Ms(100);
+
+ // 5. 应用给定的寄存器配置
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x40, 0x07); // ACC_CONF
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x41, 0x00); // ACC_RANGE ±2g 量程
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x3F, 0x10); // HPIS1=1
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x06, 0x0B); // AOI中断on INT1
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x08, 0xC0); // 高通滤波
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x30, 0x2A); // XYZ轴高事件或检测
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x32, 0x40); // 检测阈值 (64*16mg=80mg)
+ SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x33, 0x01); // 持续时间
+
+
+
+// SC7A22H_Dump_Config();
+
+//// 6. 锁存中断
+//SL_SC7A22H_I2c_Spi_Write(SL_SPI_IIC_INTERFACE, 0x3F, 0x11); // HPIS1=1 LIR_AOI1
+
+
+}
+
+void Motion_Detection_callback()
+{
+ uint8_t int_src = 0;
+
+ SL_SC7A22H_I2c_Spi_Read(SL_SC7A22H_SPI_IIC_MODE, 0x31, 1, &int_src);
+ test_gravity_reading();
+}
+
+
+
--
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