hulk/xlsw_3dp_LDC1612
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recevice function

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yelvlab 2024-12-12 15:48:48 +08:00
parent 44cf0426e5
commit de94a72f72
2 changed files with 25 additions and 20 deletions
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20
src/LDC1612.c
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@ -102,17 +102,17 @@ int LDC1612_IIC_read_16bits(void) {
uint16_t raw_temp = 0; uint16_t raw_temp = 0;
uint16_t timeout = 0; uint16_t timeout = 0;
i2c_ack_config(I2C0, I2C_ACK_ENABLE); // i2c_ack_config(I2C0, I2C_ACK_ENABLE);
while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) //判断IIC总线是否忙，发送起始信号 // while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) //判断IIC总线是否忙，发送起始信号
timeout++; // timeout++;
if (timeout < I2C_TIME_OUT) { // if (timeout < I2C_TIME_OUT) {
i2c_start_on_bus(I2C0); i2c_start_on_bus(I2C0);
timeout = 0; // timeout = 0;
} else { // } else {
printf("err\r\n"); // printf("err\r\n");
return -1; // 超时返回错误 // return -1; // 超时返回错误
} // }
while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) //判断起始位是否发送，设置sensor地址并设置为写 while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) //判断起始位是否发送，设置sensor地址并设置为写
timeout++; timeout++;
@ -181,7 +181,7 @@ int LDC1612_IIC_read_16bits(void) {
return -8; // 超时返回错误 return -8; // 超时返回错误
} }
i2c_ack_config(I2C0, I2C_ACK_DISABLE); // 关闭发送ACK，它会在下一个字节完成后发送NAK // i2c_ack_config(I2C0, I2C_ACK_DISABLE); // 关闭发送ACK，它会在下一个字节完成后发送NAK
// 读取第二个字节的数据 // 读取第二个字节的数据
while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) { while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) {

23
src/main.c
View File

@ -108,7 +108,7 @@ int main(void)
// I2C_scan(); // I2C_scan();
delay_ms(200); delay_ms(1000);
// while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY)); // while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY));
// i2c_start_on_bus(I2C0); // i2c_start_on_bus(I2C0);
@ -136,21 +136,26 @@ int main(void)
// //
// i2c_ack_config(I2C0, I2C_ACK_ENABLE); // i2c_ack_config(I2C0, I2C_ACK_ENABLE);
iicSendData(); // iicSendData();
iicReceiveData(); // iicReceiveData();
// int result = 0; int result = 0;
// result = LDC1612_IIC_read_16bits(); result = LDC1612_IIC_read_16bits();
// printf("result = %d\r\n", result); printf("result = %d\r\n", result);
while(1){ while(1){
// printf("OK!!!\r\n");
//
// delay_ms(1000); delay_ms(1000);
printf("OK!!!\r\n");
// iicSendData();
// i2c_flag_clear(I2C0, I2C_FLAG_I2CBSY);
} }
} }