inc/LDC1612.h

@@ -60,4 +60,6 @@ void I2C_scan(void);
 
 int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data);
 
+
+
 #endif //LDC1612_H

inc/main.h

@@ -43,5 +43,7 @@ OF SUCH DAMAGE.
 #define LED_IRQ             TIMER16_IRQn
 
 void led_config(void);
+void iicSendData(void);
+void iicReceiveData(void);
 
 #endif /* MAIN_H */

src/LDC1612.c

@@ -4,6 +4,8 @@
 
 #include "LDC1612.h"
 
+
+
 void I2C_config(void) {
     rcu_periph_clock_enable(RCU_IR_GPIO);
     rcu_periph_clock_enable(RCU_I2C);
@@ -24,6 +26,17 @@ void I2C_config(void) {
     i2c_ack_config(I2C0, I2C_ACK_ENABLE);
 }
 
+// void LDC1612_Init(void) {
+//     uint8_t RCOUNT0_ALL[3]={SET_CONVERSION_TIME_REG_START,0x05,0x36};//csdn
+//     uint8_t SETTLECOUNT0_ALL[3]={SET_LC_STABILIZE_REG_START,0x00,0x0a};
+//     uint8_t CLOCK_DIVIDERS0_ALL[3]={SET_FREQ_REG_START,0x10,0x02};
+//     uint8_t ERROR_CONFIG_ALL[3]={ERROR_CONFIG_REG,0x00,0x00};
+//     uint8_t MUX_CONFIG_ALL[3]={MUL_CONFIG_REG,0x82,0x0c};
+//     uint8_t DRIVE_CURRENT0_ALL[3]={SET_DRIVER_CURRENT_REG,0x90,0x00};
+//     uint8_t CONFIG_ALL[3]={SENSOR_CONFIG_REG,0x14,0x01};//csdn
+//
+// }
+
 /**
  * @brief 扫描I2C总线，查找连接的设备
  *

src/main.c

@@ -39,6 +39,49 @@ 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};
+    i2c_start_on_bus(I2C0);
+    // 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]);
+}
+
 /*!
     \brief      main function
     \param[in]  none
@@ -52,6 +95,7 @@ int main(void) {
     led_config();
     I2C_config();
 
+    // delay_ms(5000);
     printf("\r\n");
     printf("XLSW-3DP-LDC1612! V0.0.1\r\n");
     printf("\r\n");