recevice function

cmake/toolchain.cmake

@@ -94,9 +94,12 @@ set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m23 -mfloat-abi=soft -mthumb -mthumb-in
 #set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -O0 -g")
 #set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -O0 -g")
 #set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -O0 -g")
-set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -Os -g")
+set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -O2 -g")
-set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
+set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -O2 -g")
-set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
+set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -O2 -g")
+#set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -Os -g")
+#set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
+#set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
 
 # RELEASE
 set(CMAKE_C_FLAGS_RELEASE        "-DNDEBUG -O3") #  -flto

inc/LDC1612.h

@@ -14,7 +14,6 @@
 #include <stdlib.h>
 
 #define LDC1612_ADDR         (0x2B << 1)
-#define TMP112A_ADDR         (0x49 << 1)
 
 /*Register Rddr*/
 /***************************************************************************/
@@ -45,7 +44,7 @@ typedef enum {
     I2C_STOP
 } i2c_process_enum;
 
-#define I2C_SPEED 400000
+#define I2C_SPEED 100000
 #define RCU_IR_GPIO RCU_GPIOF
 #define RCU_I2C RCU_I2C0
 #define I2C_SCL_PORT GPIOF
@@ -58,9 +57,9 @@ typedef enum {
 
 void I2C_config(void);
 void I2C_scan(void);
-// uint8_t IIC_read_16bit(uint8_t reg, uint16_t *value);
-// void LDC1612_read_sensor_infomation(void);
 
-uint32_t TMP112A_ReadTemperature(void);
+int LDC1612_IIC_read_16bits(void);
+
+
 
 #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 */

openocd_gd32e230f4.cfg

@@ -1,5 +1,5 @@
 # 连接cmsis-dap（喝粥）
-; interface cmsis-dap
+interface cmsis-dap
 source [find interface/cmsis-dap.cfg]
 
 # 选择SWD
@@ -7,3 +7,8 @@ transport select swd
 
 # 加载gd32e23x.cfg
 source [find target/gd32e23x.cfg]
+
+; set CHIPNAME gd32e23x
+;
+; reset_config srst_only
+adapter speed 500

src/LDC1612.c

@@ -21,7 +21,7 @@ void I2C_config(void) {
 
     i2c_clock_config(I2C0, I2C_SPEED, I2C_DTCY_2);
 
-    i2c_mode_addr_config(I2C0, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, 0x72);
+    // i2c_mode_addr_config(I2C0, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, LDC1612_ADDR);
     i2c_enable(I2C0);
     i2c_ack_config(I2C0, I2C_ACK_ENABLE);
 }
@@ -37,7 +37,13 @@ void I2C_config(void) {
 //
 // }
 
-
+/**
+ * @brief 扫描I2C总线，查找连接的设备
+ *
+ * 该函数会扫描I2C总线上的所有地址（1到126），并尝试与每个地址进行通信。
+ * 如果在某个地址上发现了设备，则会打印出该设备的地址。
+ * 最后会打印出找到的设备总数。
+ */
 void I2C_scan(void) {
     uint32_t timeout;
     uint8_t address;
@@ -91,11 +97,10 @@ void I2C_scan(void) {
     }
 }
 
-uint32_t TMP112A_ReadTemperature(void) {
+int LDC1612_IIC_read_16bits(void) {
     uint8_t data[2] = {0};
     uint16_t raw_temp = 0;
     uint16_t timeout = 0;
-    uint32_t temperature = 0;
 
     i2c_ack_config(I2C0, I2C_ACK_ENABLE);
 
@@ -112,10 +117,10 @@ uint32_t TMP112A_ReadTemperature(void) {
     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++;
     if (timeout < I2C_TIME_OUT) {
-        i2c_master_addressing(I2C0, TMP112A_ADDR, I2C_TRANSMITTER);
+        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))
@@ -124,17 +129,17 @@ uint32_t TMP112A_ReadTemperature(void) {
         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, 0x00);
+        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
@@ -143,17 +148,17 @@ uint32_t TMP112A_ReadTemperature(void) {
         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)) {
         timeout++;
     }
     if (timeout < I2C_TIME_OUT) {
-        i2c_master_addressing(I2C0, TMP112A_ADDR, I2C_RECEIVER);
+        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))
@@ -162,7 +167,7 @@ uint32_t TMP112A_ReadTemperature(void) {
         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
@@ -173,10 +178,10 @@ uint32_t TMP112A_ReadTemperature(void) {
         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
+    // 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
     while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) {
@@ -186,17 +191,11 @@ uint32_t TMP112A_ReadTemperature(void) {
         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("data[0]: %x, data[1]: %x\r\n", data[0], data[1]);
+    printf("device id = %x\r\n", (data[0] <<8 | data[1]));
-    raw_temp = ((uint16_t) (data[0] << 4) | (data[1]>>4));
+    return 0;
-    // printf("raw_temp: %x\r\n", raw_temp);
-    // printf("raw_temp(dec): %d\r\n", raw_temp);
-    temperature = raw_temp * 625;
-    // printf("temperature: %d\r\n", temperature);
-
-    return temperature;
 }

src/RS485.c

@@ -4,8 +4,6 @@
 
 #include "RS485.h"
 
-extern uint32_t g_temperature_uint32;
-
 void RS485_config(void) {
     rcu_periph_clock_enable(RS485_GPIO_RCU);
     rcu_periph_clock_enable(RS485_RCU);
@@ -37,8 +35,7 @@ void process_command(char *cmd) {
     if (strncmp(cmd, "M1", 2) == 0) {
         printf("M1 -=-=- OK!\r\n");
     } else if (strncmp(cmd, "M2", 2) == 0) {
-        // printf("M2 -=-=- OK!\r\n");
+        printf("M2 -=-=- OK!\r\n");
-        printf("Temperature: %lu\r\n", g_temperature_uint32);
         // } else if (strncmp(cmd, "M3", 2) == 0) {
         //     char *param_str = cmd + 2; // Skip "M3"
         //     int param = atoi(param_str + 1); // Skip "S" and convert to integer

src/gd32e23x_it.c

@@ -36,10 +36,6 @@ OF SUCH DAMAGE.
 #include "main.h"
 #include "systick.h"
 #include "LDC1612.h"
-#include "RS485.h"
-
-char rx_buffer[RX_BUFFER_SIZE];
-uint8_t rx_index = 0;
 
 /*!
     \brief      this function handles NMI exception
@@ -103,26 +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
@@ -145,23 +121,3 @@ void TIMER16_IRQHandler(void) {
         led_status = !led_status;
     }
 }
-
-void USART0_IRQHandler(void) {
-    if(RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_RBNE))
-    {
-        usart_interrupt_flag_clear(USART0, USART_INT_FLAG_RBNE);
-        uint8_t received_data = (uint8_t)usart_data_receive(USART0);
-
-        // 将接收到的数据存储到缓冲区
-        if(rx_index < RX_BUFFER_SIZE - 1) {
-            rx_buffer[rx_index++] = received_data;
-        }
-
-        // 检查是否接收到换行符，表示指令结束
-        if(received_data == '\n') {
-            rx_buffer[rx_index] = '\0'; // 添加字符串结束符
-            process_command(rx_buffer); // 处理指令
-            rx_index = 0; // 重置缓冲区索引
-        }
-    }
-}

src/main.c

@@ -12,8 +12,6 @@
 #include "RS485.h"
 #include "LDC1612.h"
 
-uint32_t g_temperature_uint32;
-
 void led_config(void)
 {
     rcu_periph_clock_enable(LED_RCU);
@@ -42,6 +40,51 @@ 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
@@ -61,11 +104,53 @@ int main(void)
     printf("XLSW-3DP-LDC1612! V0.0.1\r\n");
     printf("\r\n");
 
+    // uint16_t data[3] = {0};
+
     // I2C_scan();
 
+    delay_ms(1000);
+
+    // 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);
+    // // i2c_stop_on_bus(I2C0);
+
+
+    // delay_ms(100);
+    // i2c_start_on_bus(I2C0);
+    // delay_ms(100);
+    // i2c_stop_on_bus(I2C0);
+
+
+    // i2c_stop_on_bus(I2C0);
+    // i2c_ack_config(I2C0, I2C_ACK_ENABLE);
+
+    // iicSendData();
+    // iicReceiveData();
+
+    int result = 0;
+    result = LDC1612_IIC_read_16bits();
+    printf("result = %d\r\n", result);
+
     while(1){
-        g_temperature_uint32 = TMP112A_ReadTemperature();
+
-        delay_ms(500);
+
+        delay_ms(1000);
+        printf("OK!!!\r\n");
+        // iicSendData();
+
+        // i2c_flag_clear(I2C0, I2C_FLAG_I2CBSY);
+
     }
 }