finish Tmp112A

cmake/toolchain.cmake

@@ -94,12 +94,9 @@ 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 -O2 -g")
+set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG=0 -Os -g")
-set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -O2 -g")
+set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG=0 -Os -g")
-set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -O2 -g")
+set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG=0 -Os -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

@@ -14,6 +14,7 @@
 #include <stdlib.h>
 
 #define LDC1612_ADDR         (0x2B << 1)
+#define TMP112A_ADDR         (0x49 << 1)
 
 /*Register Rddr*/
 /***************************************************************************/
@@ -44,7 +45,7 @@ typedef enum {
     I2C_STOP
 } i2c_process_enum;
 
-#define I2C_SPEED 100000
+#define I2C_SPEED 400000
 #define RCU_IR_GPIO RCU_GPIOF
 #define RCU_I2C RCU_I2C0
 #define I2C_SCL_PORT GPIOF
@@ -57,9 +58,9 @@ 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);
 
-int LDC1612_IIC_read_16bits(void);
+uint32_t TMP112A_ReadTemperature(void);
-
-
 
 #endif //LDC1612_H

inc/main.h

@@ -43,7 +43,5 @@ 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
@@ -7,8 +7,3 @@ 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, LDC1612_ADDR);
+    i2c_mode_addr_config(I2C0, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, 0x72);
     i2c_enable(I2C0);
     i2c_ack_config(I2C0, I2C_ACK_ENABLE);
 }
@@ -37,13 +37,7 @@ 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;
@@ -97,10 +91,11 @@ void I2C_scan(void) {
     }
 }
 
-int LDC1612_IIC_read_16bits(void) {
+uint32_t TMP112A_ReadTemperature(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);
 
@@ -117,10 +112,10 @@ int LDC1612_IIC_read_16bits(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, LDC1612_ADDR, I2C_TRANSMITTER);
+        i2c_master_addressing(I2C0, TMP112A_ADDR, I2C_TRANSMITTER);
         timeout = 0;
     } else {
-        return -2; // 超时返回错误
+        return -1; // 超时返回错误
     }
 
     while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
@@ -129,17 +124,17 @@ int LDC1612_IIC_read_16bits(void) {
         i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
         timeout = 0;
     } else {
-        return -3; // 超时返回错误
+        return -1; // 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, READ_DEVICE_ID);
+        i2c_data_transmit(I2C0, 0x00);
         timeout = 0;
         // i2c_start_on_bus(I2C0);
     } else {
-        return -4; // 超时返回错误
+        return -1; // 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
@@ -148,17 +143,17 @@ int LDC1612_IIC_read_16bits(void) {
         i2c_start_on_bus(I2C0);
         timeout = 0;
     } else {
-        return -5; // 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)) {
         timeout++;
     }
     if (timeout < I2C_TIME_OUT) {
-        i2c_master_addressing(I2C0, LDC1612_ADDR, I2C_RECEIVER);
+        i2c_master_addressing(I2C0, TMP112A_ADDR, I2C_RECEIVER);
         timeout = 0;
     } else {
-        return -6; // 超时返回错误
+        return -1; // 超时返回错误
     }
 
     while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT))
@@ -167,7 +162,7 @@ int LDC1612_IIC_read_16bits(void) {
         i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
         timeout = 0;
     } else {
-        return -7; // 超时返回错误
+        return -1; // 超时返回错误
     }
 
     // 读取第一个字节的数据
@@ -178,10 +173,10 @@ int LDC1612_IIC_read_16bits(void) {
         data[0] = i2c_data_receive(I2C0);
         timeout = 0;
     } else {
-        return -8; // 超时返回错误
+        return -1; // 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)) {
@@ -191,11 +186,17 @@ int LDC1612_IIC_read_16bits(void) {
         data[1] = i2c_data_receive(I2C0);
         timeout = 0;
     } else {
-        return -9; // 超时返回错误
+        return -1; // 超时返回错误
     }
 
     i2c_stop_on_bus(I2C0);
 
-    printf("device id = %x\r\n", (data[0] <<8 | data[1]));
+    // printf("data[0]: %x, data[1]: %x\r\n", data[0], data[1]);
-    return 0;
+    raw_temp = ((uint16_t) (data[0] << 4) | (data[1]>>4));
+    // 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

@@ -4,6 +4,8 @@
 
 #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);
@@ -35,7 +37,8 @@ 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

@@ -36,6 +36,10 @@ 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
@@ -99,6 +103,26 @@ 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
@@ -121,3 +145,23 @@ 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

@@ -12,6 +12,8 @@
 #include "RS485.h"
 #include "LDC1612.h"
 
+uint32_t g_temperature_uint32;
+
 void led_config(void)
 {
     rcu_periph_clock_enable(LED_RCU);
@@ -40,51 +42,6 @@ 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
@@ -104,53 +61,11 @@ 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);
-
     }
 }