iic驱动重写

CMakeLists.txt

@@ -27,6 +27,7 @@ set(TARGET_C_SRC
         ${CMAKE_SOURCE_DIR}/src/peripheral.c
         ${CMAKE_SOURCE_DIR}/src/LDC1612.c
         ${CMAKE_SOURCE_DIR}/src/RS485.c
+        ${CMAKE_SOURCE_DIR}/src/i2c.c
 )
 
 add_executable(xlsw_3dp_LDC1612 ${TARGET_C_SRC})

inc/LDC1612.h

@@ -21,7 +21,7 @@
 #define LED_IRQ             TIMER16_IRQn
 
 #define I2C_SPEED 100000
-#define IR_I2C    I2C0
+
 #define RCU_IR_GPIO RCU_GPIOF
 #define RCU_I2C RCU_I2C0
 #define I2C_SCL_PORT GPIOF
@@ -30,13 +30,19 @@
 #define I2C_SDA_PIN GPIO_PIN_0
 #define I2C_GPIO_AF GPIO_AF_1
 
-#define I2C_TIME_OUT    (uint16_t)(5000)
+#define LDC1612_ADDR         (0x2A << 1)
-
-#define SLAVE_ADDR         (0x5A << 1)
 
+// LDC1612 寄存器地址
+#define RCOUNT0_ADDR          0x08
+#define SETTLECOUNT0_ADDR     0x10
+#define CLOCK_DIVIDERS0_ADDR  0x14
+#define ERROR_CONFIG_ADDR     0x19
+#define MUX_CONFIG_ADDR       0x1B
+#define DRIVE_CURRENT0_ADDR   0x1E
+#define CONFIG_ADDR           0x1A
 
 void led_config(void);
 void LDC1612_I2CConfig(void);
-
+void LDC1612_Init(void);
 
 #endif //LDC1612_H

inc/i2c.h

@@ -0,0 +1,15 @@
+//
+// Created by dell on 24-12-4.
+//
+
+#ifndef I2C_H
+#define I2C_H
+
+#include "gd32e23x_i2c.h"
+#include "LDC1612.h"
+
+#define I2C_TIME_OUT    (uint16_t)(5000)
+#define LDC_I2C       I2C0
+
+int i2c_write_reg(uint8_t device_address, uint8_t *data);
+#endif //I2C_H

src/LDC1612.c

@@ -3,6 +3,7 @@
 //
 
 #include "LDC1612.h"
+#include "i2c.h"
 
 
 void led_config(void)
@@ -33,6 +34,8 @@ void led_config(void)
     nvic_irq_enable(LED_IRQ, 0);
 }
 
+
+
 /**
   * @brief  This function configure the I2C peripheral & GPIO
   * @param[in]  none
@@ -52,9 +55,28 @@ void LDC1612_I2CConfig(void) {
     gpio_mode_set(I2C_SDA_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, I2C_SDA_PIN);
     gpio_output_options_set(I2C_SDA_PORT, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, I2C_SDA_PIN);
 
-    i2c_clock_config(IR_I2C, I2C_SPEED, I2C_DTCY_2);
+    i2c_clock_config(LDC_I2C, I2C_SPEED, I2C_DTCY_2);
 
-    i2c_mode_addr_config(IR_I2C, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, SLAVE_ADDR);
+    i2c_mode_addr_config(LDC_I2C, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, LDC1612_ADDR);
-    i2c_enable(IR_I2C);
+    i2c_enable(LDC_I2C);
-    i2c_ack_config(IR_I2C, I2C_ACK_ENABLE);
+    i2c_ack_config(LDC_I2C, I2C_ACK_ENABLE);
+}
+
+uint8_t RCOUNT0_ALL[3]={RCOUNT0_ADDR,0x05,0x36};//csdn
+uint8_t SETTLECOUNT0_ALL[3]={SETTLECOUNT0_ADDR,0x00,0x0a};
+uint8_t CLOCK_DIVIDERS0_ALL[3]={CLOCK_DIVIDERS0_ADDR,0x10,0x02};
+uint8_t ERROR_CONFIG_ALL[3]={ERROR_CONFIG_ADDR,0x00,0x00};
+uint8_t MUX_CONFIG_ALL[3]={MUX_CONFIG_ADDR,0x82,0x0c};
+uint8_t DRIVE_CURRENT0_ALL[3]={DRIVE_CURRENT0_ADDR,0x90,0x00};
+uint8_t CONFIG_ALL[3]={CONFIG_ADDR,0x14,0x01};//csdn
+
+void LDC1612_Init(void) {
+    LDC1612_I2CConfig();
+    i2c_write_reg(LDC1612_ADDR, RCOUNT0_ALL);
+    i2c_write_reg(LDC1612_ADDR, SETTLECOUNT0_ALL);
+    i2c_write_reg(LDC1612_ADDR, CLOCK_DIVIDERS0_ALL);
+    i2c_write_reg(LDC1612_ADDR, ERROR_CONFIG_ALL);
+    i2c_write_reg(LDC1612_ADDR, MUX_CONFIG_ALL);
+    i2c_write_reg(LDC1612_ADDR, DRIVE_CURRENT0_ALL);
+    i2c_write_reg(LDC1612_ADDR, CONFIG_ALL);
 }

src/RS485.c

@@ -56,4 +56,3 @@ void process_command(char *cmd) {
         printf("Invalid Command!\r\n");
     }
 }
-

src/i2c.c

@@ -0,0 +1,78 @@
+//
+// Created by dell on 24-12-4.
+//
+
+#include "i2c.h"
+
+/**
+ * @brief  向I2C设备寄存器写入数据
+ * @param  device_address: 设备地址
+ * @param  data: 要写入的数据
+ * @retval int: 0表示成功，-1表示超时
+ */
+int i2c_write_reg(uint8_t device_address, uint8_t *data)
+{
+    uint32_t timeout = 0;
+
+    // 生成起始条件
+    while (i2c_flag_get(LDC_I2C, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+    i2c_start_on_bus(LDC_I2C);
+    timeout = 0;
+
+    // 等待起始条件发送完成
+    while (!i2c_flag_get(LDC_I2C, I2C_FLAG_SBSEND) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+    i2c_master_addressing(LDC_I2C, device_address, I2C_TRANSMITTER);
+    timeout = 0;
+
+    // 等待地址发送完成
+    while (!i2c_flag_get(LDC_I2C, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+    i2c_flag_clear(LDC_I2C, I2C_FLAG_ADDSEND);
+    timeout = 0;
+
+    // 发送寄存器地址
+    while (!i2c_flag_get(LDC_I2C, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+    // 发送寄存器地址和数据
+    for (int i = 0; i < 3; i++) {
+    while (!i2c_flag_get(LDC_I2C, I2C_FLAG_TBE) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+        i2c_data_transmit(LDC_I2C, data[i]);
+    timeout = 0;
+    }
+    timeout = 0;
+
+    // 生成停止条件
+    while (!i2c_flag_get(LDC_I2C, I2C_FLAG_BTC) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+    i2c_stop_on_bus(LDC_I2C);
+    timeout = 0;
+
+    while (i2c_flag_get(LDC_I2C, I2C_FLAG_STPDET) && (timeout < I2C_TIME_OUT))
+        timeout++;
+    if (timeout >= I2C_TIME_OUT) {
+        return -1; // 超时返回错误
+    }
+
+    return 0;
+}