From e9cf7b34ae2a8a1633608c412c372b112995f95a Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 03 一月 2025 18:13:27 +0800
Subject: [PATCH] 4G尝试加入，4G未调通
---
keil/include/drivers/PCA9555.c | 97 +++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 90 insertions(+), 7 deletions(-)
diff --git a/keil/include/drivers/PCA9555.c b/keil/include/drivers/PCA9555.c
index 5b82a5e..a9ac050 100644
--- a/keil/include/drivers/PCA9555.c
+++ b/keil/include/drivers/PCA9555.c
@@ -154,7 +154,7 @@
//读1个字节，ack=1时，发送ACK，ack=0，发送nACK,不是一样的
uint8_t IIC2_Read_pca_Byte(unsigned char ack)
{
- unsigned char i,receive=0;
+ unsigned char i,receive=0,bit=0;
gpio_pin_set_dir(SDA_PIN,GPIO_DIR_IN,0); //设置为输入读取电平
// io_pull_set(SDA_PIN , IO_HIGH_Z, IO_PULL_UP_NONE);
for(i=0; i<8; i++ )
@@ -162,8 +162,11 @@
SCL_0;
delay_us(6);//修改时间
SCL_1;
- receive<<=1;
- if(IIC2_READ_SDA)receive++;
+ //receive<<=1;
+ if(IIC2_READ_SDA){
+ bit=1<<i;
+ receive|=bit;
+ }
delay_us(5);
}
SCL_0;
@@ -431,24 +434,104 @@
//error
}
}
+/*设置第一个芯片某一通道默认输入的极性
+ num 控制的IO序号 1~17
+ value 控制的IO输出状态 0：非使能 1：使能翻转为电平0
+*/
+void PCA9555_Set_One_Value_Polarity_input(unsigned char num,unsigned char value)
+{
+ if(num >0 && num <17){//第一个芯片IO1-16控制
+ if(num <9){
+ if(value)pca9555writedata_polarity[0] |= 0x01<<(num - 1);//赋值位高
+ else pca9555writedata_polarity[0] &= ~(0x01<<(num - 1));//赋值位低
+ }
+ else{
+ if(value)pca9555writedata_polarity[1] |= 0x01<<(num - 9);//赋值位高
+ else pca9555writedata_polarity[1] &= ~(0x01<<(num - 9));//赋值位低
+ }
+ PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_polarity[0],pca9555writedata_polarity[1]);
+ }else{//超出芯片控制
+ //error
+ }
+}
+/*读取5V引脚的输入高低电平
+ 返回值 高1 低0 电平
+*/
+int read_5v_input_pca(void)
+{PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
+ uint16_t gpio_state;
+ gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1];
+ if(INPUT_5V_POSITION&gpio_state)
+ return 1;
+ else {
+ return 0;
+ }
+}
+/*读取供电引脚的输入高低电平
+ 返回值 高1 低0 电平
+*/
+int read_powerkey_input_pca(void)
+{PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
+ uint16_t gpio_state;
+ gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1];
+ if(PWR_ON_POSITION&gpio_state)
+ return 1;
+ else {
+ return 0;
+ }
+}
+/*读取SOS引脚的输入高低电平
+ 返回值 高1 低0 电平
+*/
+int read_userkey_input_pca(void)
+{PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
+ uint16_t gpio_state;
+ gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1];
+ if(SOS_ENBALE_POSITION&gpio_state)
+ return 1;
+ else {
+ return 0;
+ }
+}
void PCA9555_init()
{
//IIC_gpio_pca_init();//配置IIC管脚
- PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出
-
+ //PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出
+ //PCA9555_Set_One_Value_Polarity_input(PWR_ON,0);
//PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入
//PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,0x00,0x00);//翻转
- PCA9555_Set_One_Value_Config(WAKE_UP,1);
+ //PCA9555_Set_One_Value_Config(WAKE_UP,1);
//PCA9555_Set_All_Output(1);
+ PCA9555_Set_One_Value_Config(GPS_POWER,0);//设置GPS为输出
+ PCA9555_Set_One_Value_Output(GPS_POWER,1);//拉高GPS
+ PCA9555_Set_One_Value_Config(ADC_MINIUS,0);//设置ADC输出
+ PCA9555_Set_One_Value_Output(ADC_MINIUS,1);//默认拉高
+ PCA9555_Set_One_Value_Config(MCU_A,0);//设置串口复用芯片切换
+ PCA9555_Set_One_Value_Output(MCU_A,1);//输出高电平为uart通讯
+ PCA9555_Set_One_Value_Config(INPUT_5V,1);//设置5V输入检测
+ PCA9555_Set_One_Value_Config(GPS_LED,0);//设置LED灯输出
+ PCA9555_Set_One_Value_Output(GPS_LED,1);//输出高电平开启LED通闪烁
+ PCA9555_Set_One_Value_Config(PWR_ENABLE,0);//设置电池上电是否给单片机供电
+ PCA9555_Set_One_Value_Output(PWR_ENABLE,1);//高电平默认导通单片机供电
+ PCA9555_Set_One_Value_Config(PWR_ON,1);//设置开关机按键输入
+
+ PCA9555_Set_One_Value_Config(AIR780E_ENBALE,0);//配置4G供电
+ PCA9555_Set_One_Value_Output(AIR780E_ENBALE,1);//打开4G
+
+ PCA9555_Set_One_Value_Config(MAIN_RI,1);//配置4G唤醒引脚为输入
+
+ PCA9555_Set_One_Value_Config(SOS_ENBALE,1);//设置SOS按钮输入
+// PCA9555_Set_One_Value_Output(PWR_ON,0);//拉低
//PCA9555_readdata_from_output_register(PCA9555_DEVICE_ADDR,pca9555writedata_input);
//PCA9555_Set_One_Value_Output(AIR780E_ENBALE,0);
//PCA9555_Set_One_Value_Output(PWR_ON,0);
// PCA9555_Set_All_Output(0);
//PCA9555_readdata_from_polarity_register(PCA9555_DEVICE_ADDR,pca9555writedata_input);
PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
- PCA9555_readdata_from_config_register(PCA9555_DEVICE_ADDR,pca9555writedata_config);
+
+ //PCA9555_readdata_from_config_register(PCA9555_DEVICE_ADDR,pca9555writedata_config);
// PCA9555_Set_All_Output(0);//全部拉低
//测试
--
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