hulk/xlsw_3dp_LDC1612
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recevice function

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yelvlab 2024-12-11 15:42:11 +08:00
parent c90ecf05f9
commit 44cf0426e5
5 changed files with 51 additions and 65 deletions
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2
inc/LDC1612.h
View File

@ -58,7 +58,7 @@ typedef enum {
void I2C_config(void);
void I2C_scan(void);
int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data);
int LDC1612_IIC_read_16bits(void);

1
inc/main.h
View File

@ -43,6 +43,7 @@ OF SUCH DAMAGE.
#define LED_IRQ TIMER16_IRQn
void led_config(void);
void iicSendData(void);
void iicReceiveData(void);
#endif /* MAIN_H */

26
src/LDC1612.c
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@ -97,8 +97,11 @@ void I2C_scan(void) {
}
}
int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
uint32_t timeout = 0;
int LDC1612_IIC_read_16bits(void) {
uint8_t data[2] = {0};
uint16_t raw_temp = 0;
uint16_t timeout = 0;
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
@ -117,7 +120,7 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER);
timeout = 0;
} else {
return -1; // 超时返回错误
return -2; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
@ -126,17 +129,17 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
timeout = 0;
} else {
return -1; // 超时返回错误
return -3; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT)) //判断地址是否发送完成，然后发送寄存器地址
timeout++;
if (timeout < I2C_TIME_OUT) {
i2c_data_transmit(I2C0, reg);
i2c_data_transmit(I2C0, READ_DEVICE_ID);
timeout = 0;
// i2c_start_on_bus(I2C0);
} else {
return -1; // 超时返回错误
return -4; // 超时返回错误
}
while (i2c_flag_get(I2C0, I2C_FLAG_BTC) && (timeout < I2C_TIME_OUT)) //判断发送缓冲器是否为空，为空后（发送完毕）重新发送开始信号
@ -145,7 +148,7 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
i2c_start_on_bus(I2C0);
timeout = 0;
} else {
return -1; // 超时返回错误
return -5; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT)) {
@ -155,7 +158,7 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_RECEIVER);
timeout = 0;
} else {
return -1; // 超时返回错误
return -6; // 超时返回错误
}
while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
@ -164,7 +167,7 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
timeout = 0;
} else {
return -1; // 超时返回错误
return -7; // 超时返回错误
}
// 读取第一个字节的数据
@ -175,7 +178,7 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
data[0] = i2c_data_receive(I2C0);
timeout = 0;
} else {
return -1; // 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
@ -188,10 +191,11 @@ int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) {
data[1] = i2c_data_receive(I2C0);
timeout = 0;
} else {
return -1; // 超时返回错误
return -9; // 超时返回错误
}
i2c_stop_on_bus(I2C0);
printf("device id = %x\r\n", (data[0] <<8 | data[1]));
return 0;
}

20
src/gd32e23x_it.c
View File

@ -99,26 +99,6 @@ void SysTick_Handler(void)
{
}
void TIMER13_IRQHandler(void)
{
if (timer_interrupt_flag_get(TIMER13, TIMER_INT_FLAG_UP) == SET)
{
timer_interrupt_flag_clear(TIMER13, TIMER_INT_FLAG_UP);
static uint8_t led_status = 0;
if (led_status)
{
//! turn on led & reconfig timer13 period to 19000(1900ms)
gpio_bit_write(GPIOB, GPIO_PIN_1, RESET);
timer_autoreload_value_config(TIMER13, 19200);
} else {
//! turn off led & reconfig timer13 period to 1000(100ms)
gpio_bit_write(GPIOB, GPIO_PIN_1, SET);
timer_autoreload_value_config(TIMER13, 800);
}
led_status = !led_status;
}
}
/**
* @brief This function handles TIMER5 interrupt request.
* @param[in] none

67
src/main.c
View File

@ -40,6 +40,23 @@ void led_config(void)
nvic_irq_enable(LED_IRQ, 2);
}
void iicSendData(void)
{
while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY));
i2c_start_on_bus(I2C0);
printf("1\r\n");
while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND));
i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_TRANSMITTER);
printf("2\r\n");
while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND));
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
printf("3\r\n");
while (!i2c_flag_get(I2C0, I2C_FLAG_TBE));
i2c_data_transmit(I2C0, 0x7E);
printf("4\r\n");
i2c_start_on_bus(I2C0);
}
void iicReceiveData(void)
{
uint16_t data[3] = {0};
@ -87,11 +104,11 @@ int main(void)
printf("XLSW-3DP-LDC1612! V0.0.1\r\n");
printf("\r\n");
uint16_t data[3] = {0};
// uint16_t data[3] = {0};
// I2C _scan();
delay_ms(1000);
delay_ms(200);
// while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY));
// i2c_start_on_bus(I2C0);
@ -105,51 +122,35 @@ int main(void)
// while (!i2c_flag_get(I2C0, I2C_FLAG_TBE));
// i2c_data_transmit(I2C0, 0x7E);
// printf("4\r\n");
//
// // delay_us(2);
// while (!i2c_flag_get(I2C0, I2C_FLAG_TBE));
//
// // i2c_start_on_bus(I2C0);
// i2c_start_on_bus(I2C0);
// // i2c_stop_on_bus(I2C0);
// delay_ms(100);
// i2c_start_on_bus(I2C0);
// delay_ms(100);
// i2c_stop_on_bus(I2C0);
// printf("5\r\n");
// while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND));
// i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_RECEIVER);
// printf("6\r\n");
// while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND));
// i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
// printf("7\r\n");
// i2c_ack_config(I2C0, I2C_ACK_DISABLE);
// while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE));
// data[0] = i2c_data_receive(I2C0);
// while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE));
// data[1] = i2c_data_receive(I2C0);
// while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE));
// data[2] = i2c_data_receive(I2C0);
//
// i2c_stop_on_bus(I2C0);
//
// i2c_ack_config(I2C0, I2C_ACK_ENABLE);
//
// printf("data[0] = %x\r\n", data[0]);
// printf("data[1] = %x\r\n", data[1]);
// printf("data[2] = %x\r\n", data[2]);
iicSendData();
iicReceiveData();
// int result = 0;
// result = LDC1612_IIC_read_16bits();
// printf("result = %d\r\n", result);
while(1){
printf("OK!!!\r\n");
delay_ms(1000);
// printf("OK!!!\r\n");
//
// delay_ms(1000);
}
}