debug version

Inc/board_config.h

@@ -27,6 +27,14 @@
 
 /******************************************************************************/
 
+#define MCU_CODE          23u
+
+#define FW_VERSION_MAJOR  0
+#define FW_VERSION_MINOR  0
+#define FW_VERSION_PATCH  3
+
+/******************************************************************************/
+
 /* Dynamic USART Configuration Structure */
 typedef struct {
     uint32_t rcu_usart;

Inc/i2c.h

@@ -107,15 +107,76 @@ i2c_result_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data
 */
 i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
 
+/* Generic read/write functions with configurable length */
 /*!
-    \brief      read 16-bit data from I2C device
+    \brief      write data to I2C device with configurable length
-    \param[in]  slave_addr: 7-bit slave address
+    \param[in]  slave_addr: slave device address (7-bit)
     \param[in]  reg_addr: register address
-    \param[out] data: pointer to 2-byte data buffer
+    \param[in]  data: pointer to data buffer
-    \retval     i2c_result_t
+    \param[in]  length: number of bytes to write (1-255)
+    \param[out] none
+    \retval     i2c_result_t: operation result
 */
-i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
+i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
 
+/*!
+    \brief      read data from I2C device with configurable length
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[out] data: pointer to data buffer
+    \param[in]  length: number of bytes to read (1-255)
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
+
+/* Convenience functions for common operations */
+/*!
+    \brief      write single byte to I2C device
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[in]  data: data byte to write
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_write_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data);
+
+/*!
+    \brief      read single byte from I2C device
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[out] data: pointer to data byte
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_read_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
+
+/*!
+    \brief      write 32-bit data to I2C device
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[in]  data: pointer to 4-byte data array
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_write_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[4]);
+
+/*!
+    \brief      read 32-bit data from I2C device
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[out] data: pointer to 4-byte data buffer
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_read_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
+
+/*!
+    \brief      read display panel parameters (multi-byte)
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[out] data: pointer to data buffer
+    \param[in]  length: number of bytes to read (1-13)
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_read_display_params(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length);
+
+#ifdef DEBUG_VERBOSE
 /*!
     \brief      get status string for debugging
     \param[in]  status: i2c_result_t value
@@ -123,5 +184,6 @@ i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data
     \retval     const char* status string
 */
 const char* i2c_get_status_string(i2c_result_t status);
+#endif
 
 #endif //I2C_H

Src/command.c

@@ -306,6 +306,7 @@ void handle_command(const uint8_t *frame, uint8_t len) {
 
             case 2u: // M2: disable sensor report
                 set_eddy_sensor_report_status(false);
+                send_response(RESP_TYPE_OK, s_report_status_ok, sizeof(s_report_status_ok));
                 return;
 
             case 3u:
@@ -314,12 +315,26 @@ void handle_command(const uint8_t *frame, uint8_t len) {
                 
             case 4u:
                 set_temp_sensor_report_status(false);
+                send_response(RESP_TYPE_OK, s_report_status_ok, sizeof(s_report_status_ok));
                 return;
 
             // case 201u: // M201命令
             //     send_response(RESP_TYPE_OK, s_report_status_ok, sizeof(s_report_status_ok));
             //     return;
 
+            case 999u: //M999: 输出固件版本号（vMCU_CODE.FW_VERSION_MAJOR.FW_VERSION_MINOR.FW_VERSION_PATCH）
+                char version_str[16];
+                int n = snprintf(version_str, sizeof(version_str), "v%u.%u.%u.%u", MCU_CODE, FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_PATCH);
+                send_response(RESP_TYPE_OK, (uint8_t *)version_str, (uint8_t)n);
+                // send_response(RESP_TYPE_OK, (uint8_t *)"v23.0.0.3", 9);
+                return;
+
+            case 9999u:
+                // M9999: 重启系统
+                __disable_irq();        // 关闭全局中断（GD32E230 CMSIS标准函数）
+                nvic_system_reset();    // 系统复位（GD32E230标准库函数）
+                break;
+
             default:
                 // 其它无参数命令在此扩展（示例：M100）处理逻辑该如何待定
                 // send_response(RESP_TYPE_OK, s_report_status_ok, sizeof(s_report_status_ok));

Src/i2c.c

@@ -649,6 +649,487 @@ i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data
     return I2C_RESULT_TIMEOUT;
 }
 
+/*!
+    \brief      write data to I2C device with configurable length
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[in]  data: pointer to data buffer
+    \param[in]  length: number of bytes to write (1-255)
+    \param[out] none
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length) {
+    i2c_state_t state = I2C_STATE_START;
+    uint16_t timeout = 0;
+    uint8_t retry_count = 0;
+    uint8_t data_index = 0;
+
+    /* parameter validation */
+    if (data == NULL || slave_addr > 0x7F || length == 0) {
+        return I2C_RESULT_INVALID_PARAM;
+    }
+
+    while (retry_count < I2C_MAX_RETRY) {
+        switch (state) {
+            case I2C_STATE_START:
+                timeout = 0;
+                data_index = 0;
+
+                /* wait for bus to be idle */
+                while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                i2c_start_on_bus(I2C0);
+                timeout = 0;
+                state = I2C_STATE_SEND_ADDRESS;
+                break;
+
+            case I2C_STATE_SEND_ADDRESS:
+                /* wait for start condition to be sent. SBSEND flag */
+                while((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send slave address */
+                i2c_master_addressing(I2C0, slave_addr << 1, I2C_TRANSMITTER);
+                timeout = 0;
+                state = I2C_STATE_CLEAR_ADDRESS;
+                break;
+
+            case I2C_STATE_CLEAR_ADDRESS:
+                /* wait for address to be acknowledged.ADDSEND set means i2c slave sends ACK */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (!i2c_flag_get(I2C0, I2C_FLAG_AERR)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                } else if (i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) {
+                    i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
+                    timeout = 0;
+                    state = I2C_STATE_TRANSMIT_REG;
+                    break;
+                } else {
+                    i2c_flag_clear(I2C0, I2C_FLAG_AERR);
+                    timeout = 0;
+#ifdef DEBUG_VERBOSE
+                    printf("IIC write failed for Error Slave Address. \n");
+#endif
+                    return I2C_RESULT_NACK;
+                }
+
+            case I2C_STATE_TRANSMIT_REG:
+                /* wait until the transmit data buffer is empty */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send register address */
+                i2c_data_transmit(I2C0, reg_addr);
+                timeout = 0;
+                state = I2C_STATE_TRANSMIT_DATA;
+                break;
+
+            case I2C_STATE_TRANSMIT_DATA:
+                /* wait until the transmit data buffer is empty */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send data byte */
+                i2c_data_transmit(I2C0, data[data_index]);
+                data_index++;
+
+                /* check for errors */
+                if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
+                    i2c_stop_on_bus(I2C0);
+                    return I2C_RESULT_NACK;
+                } else if (i2c_flag_get(I2C0, I2C_FLAG_BERR) || i2c_flag_get(I2C0, I2C_FLAG_LOSTARB)) {
+                    i2c_stop_on_bus(I2C0);
+                    return I2C_RESULT_ERROR;
+                }
+
+                /* check if all data has been sent */
+                if (data_index >= length) {
+                    /* wait until BTC bit is set for last byte */
+                    timeout = 0;
+                    while (!i2c_flag_get(I2C0, I2C_FLAG_BTC) && (timeout < I2C_TIME_OUT)) {
+                        timeout++;
+                    }
+                    if (timeout >= I2C_TIME_OUT) {
+                        state = I2C_STATE_ERROR;
+                        break;
+                    }
+                    state = I2C_STATE_STOP;
+                }
+                timeout = 0;
+                break;
+
+            case I2C_STATE_STOP:
+                /* send a stop condition to I2C bus */
+                i2c_stop_on_bus(I2C0);
+
+                timeout = 0;
+                while ((I2C_CTL0(I2C0) & I2C_CTL0_STOP) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* success */
+                return I2C_RESULT_SUCCESS;
+
+            case I2C_STATE_ERROR:
+                /* send a stop condition to I2C bus */
+                i2c_stop_on_bus(I2C0);
+
+                timeout = 0;
+                while ((I2C_CTL0(I2C0) & I2C_CTL0_STOP) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+
+                i2c_flag_clear(I2C0, I2C_FLAG_AERR);
+                i2c_flag_clear(I2C0, I2C_FLAG_BERR);
+                i2c_flag_clear(I2C0, I2C_FLAG_LOSTARB);
+
+                retry_count++;
+                if (retry_count >= I2C_MAX_RETRY) {
+#ifdef DEBUG_VERBOSE
+                    printf("IIC write failed after %d retries\n", I2C_MAX_RETRY);
+#endif
+                    return I2C_RESULT_ERROR;
+                }
+
+                /* reset state machine for retry */
+                state = I2C_STATE_START;
+                timeout = 0;
+
+                /* small delay before retry */
+                delay_10us(10);
+                break;
+                
+            default:
+                state = I2C_STATE_START;
+                break;
+        }
+    }
+    return I2C_RESULT_TIMEOUT;
+}
+
+/*!
+    \brief      read data from I2C device with configurable length
+    \param[in]  slave_addr: slave device address (7-bit)
+    \param[in]  reg_addr: register address
+    \param[out] data: pointer to data buffer
+    \param[in]  length: number of bytes to read (1-255)
+    \retval     i2c_result_t: operation result
+*/
+i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length) {
+    i2c_state_t state = I2C_STATE_START;
+    uint16_t timeout = 0;
+    uint8_t retry_count = 0;
+    bool write_phase = true;
+    uint8_t data_index = 0;
+
+    /* parameter validation */
+    if (data == NULL || slave_addr > 0x7F || length == 0) {
+        return I2C_RESULT_INVALID_PARAM;
+    }
+
+    /* enable acknowledge */
+    i2c_ack_config(I2C0, I2C_ACK_ENABLE);
+
+    while (retry_count < (uint8_t)I2C_MAX_RETRY) {
+        switch (state) {
+            case I2C_STATE_START:
+                timeout = 0;
+                data_index = 0;
+
+                /* wait for bus to be idle */
+                while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send start condition */
+                i2c_start_on_bus(I2C0);
+                state = I2C_STATE_SEND_ADDRESS;
+                timeout = 0;
+                break;
+
+            case I2C_STATE_SEND_ADDRESS:
+                /* wait for start condition to be sent */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send slave address */
+                if (write_phase) {
+                    /* write phase: send address with write bit */
+                    i2c_master_addressing(I2C0, (slave_addr << 1), I2C_TRANSMITTER);
+                } else {
+                    /* read phase: send address with read bit */
+                    i2c_master_addressing(I2C0, (slave_addr << 1) | 0x01, I2C_RECEIVER);
+                }
+
+                state = I2C_STATE_CLEAR_ADDRESS;
+                timeout = 0;
+                break;
+
+            case I2C_STATE_CLEAR_ADDRESS:
+                /* wait for address to be acknowledged */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                if (write_phase) {
+                    /* clear address flag (write phase) */
+                    i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
+                    state = I2C_STATE_TRANSMIT_DATA;
+                } else {
+                    /* read phase setup based on length */
+                    if (length == 1) {
+                        /* single byte read: disable ACK before clearing ADDR */
+                        i2c_ack_config(I2C0, I2C_ACK_DISABLE);
+                        i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
+                        /* send STOP immediately after clearing ADDR for single byte */
+                        i2c_stop_on_bus(I2C0);
+                    } else if (length == 2) {
+                        /* two bytes read: set POS=NEXT and disable ACK before clearing ADDR */
+                        i2c_ackpos_config(I2C0, I2C_ACKPOS_NEXT);
+                        i2c_ack_config(I2C0, I2C_ACK_DISABLE);
+                        i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
+                    } else {
+                        /* multi-byte read: clear ADDR with ACK enabled */
+                        i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
+                    }
+                    state = I2C_STATE_RECEIVE_DATA;
+                }
+                timeout = 0;
+                break;
+
+            case I2C_STATE_TRANSMIT_DATA:
+                /* wait for transmit buffer to be empty */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send register address */
+                i2c_data_transmit(I2C0, reg_addr);
+                state = I2C_STATE_RESTART;
+                timeout = 0;
+                break;
+
+            case I2C_STATE_RESTART:
+                /* wait for byte transfer complete */
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* generate repeated start condition */
+                i2c_start_on_bus(I2C0);
+                
+                /* wait for repeated start condition to be sent */
+                timeout = 0;
+                while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* send slave address with read bit */
+                i2c_master_addressing(I2C0, (slave_addr << 1), I2C_RECEIVER);
+
+                /* switch to read phase */
+                write_phase = false;
+                state = I2C_STATE_CLEAR_ADDRESS;
+                timeout = 0;
+                break;
+
+            case I2C_STATE_RECEIVE_DATA:
+                if (length == 1) {
+                    /* single byte read */
+                    while ((!i2c_flag_get(I2C0, I2C_FLAG_RBNE)) && (timeout < I2C_TIME_OUT)) {
+                        timeout++;
+                    }
+                    if (timeout >= I2C_TIME_OUT) {
+                        state = I2C_STATE_ERROR;
+                        break;
+                    }
+                    data[0] = i2c_data_receive(I2C0);
+                    state = I2C_STATE_STOP;
+                } else if (length == 2) {
+                    /* two bytes read */
+                    while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
+                        timeout++;
+                    }
+                    if (timeout >= I2C_TIME_OUT) {
+                        state = I2C_STATE_ERROR;
+                        break;
+                    }
+                    /* send STOP before reading the last two bytes */
+                    i2c_stop_on_bus(I2C0);
+                    /* read the two bytes back-to-back */
+                    data[0] = i2c_data_receive(I2C0);
+                    data[1] = i2c_data_receive(I2C0);
+                    state = I2C_STATE_STOP;
+                } else {
+                    /* multi-byte read (length > 2) */
+                    while (data_index < length) {
+                        /* wait for RBNE (receive buffer not empty) */
+                        while ((!i2c_flag_get(I2C0, I2C_FLAG_RBNE)) && (timeout < I2C_TIME_OUT)) {
+                            timeout++;
+                        }
+                        if (timeout >= I2C_TIME_OUT) {
+                            state = I2C_STATE_ERROR;
+                            break;
+                        }
+
+                        /* special handling for last 3 bytes */
+                        if (data_index == length - 3) {
+                            /* wait for BTF (byte transfer finished) before reading N-2 */
+                            while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
+                                timeout++;
+                            }
+                            if (timeout >= I2C_TIME_OUT) {
+                                state = I2C_STATE_ERROR;
+                                break;
+                            }
+                            /* disable ACK for last 2 bytes */
+                            i2c_ack_config(I2C0, I2C_ACK_DISABLE);
+                        }
+
+                        /* read data byte */
+                        data[data_index] = i2c_data_receive(I2C0);
+                        data_index++;
+
+                        /* send STOP after reading N-1 byte */
+                        if (data_index == length - 1) {
+                            i2c_stop_on_bus(I2C0);
+                        }
+
+                        timeout = 0;
+                    }
+                    state = I2C_STATE_STOP;
+                }
+                break;
+
+            case I2C_STATE_STOP:
+                /* wait for stop condition to complete */
+                while ((I2C_CTL0(I2C0) & I2C_CTL0_STOP) && (timeout < I2C_TIME_OUT)) {
+                    timeout++;
+                }
+                if (timeout >= I2C_TIME_OUT) {
+                    state = I2C_STATE_ERROR;
+                    break;
+                }
+
+                /* reset ACK configuration for next operation */
+                i2c_ack_config(I2C0, I2C_ACK_ENABLE);
+                i2c_ackpos_config(I2C0, I2C_ACKPOS_CURRENT);
+
+                /* success */
+                return I2C_RESULT_SUCCESS;
+
+            case I2C_STATE_ERROR:
+                /* send stop condition to release bus */
+                i2c_stop_on_bus(I2C0);
+
+                /* reset ACK configuration */
+                i2c_ack_config(I2C0, I2C_ACK_ENABLE);
+                i2c_ackpos_config(I2C0, I2C_ACKPOS_CURRENT);
+
+                retry_count++;
+                if (retry_count >= I2C_MAX_RETRY) {
+#ifdef DEBUG_VERBOSE
+                    printf("I2C read failed after %d retries\n", I2C_MAX_RETRY);
+#endif
+                    return I2C_RESULT_ERROR;
+                }
+
+                /* reset state machine for retry */
+                state = I2C_STATE_START;
+                write_phase = true;
+                timeout = 0;
+
+                /* small delay before retry */
+                delay_10us(10);
+                break;
+
+            default:
+                state = I2C_STATE_START;
+                break;
+        }
+    }
+    return I2C_RESULT_TIMEOUT;
+}
+
+/* convenience functions for common operations */
+i2c_result_t i2c_write_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data) {
+    return i2c_write(slave_addr, reg_addr, &data, 1);
+}
+
+i2c_result_t i2c_read_8bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
+    return i2c_read(slave_addr, reg_addr, data, 1);
+}
+
+i2c_result_t i2c_write_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[4]) {
+    return i2c_write(slave_addr, reg_addr, data, 4);
+}
+
+i2c_result_t i2c_read_32bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data) {
+    return i2c_read(slave_addr, reg_addr, data, 4);
+}
+
+/* 显示面板专用函数 - 支持读取显示界面参数 */
+i2c_result_t i2c_read_display_params(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t length) {
+    /* 针对显示面板的多字节读取，支持13字节的完整参数读取 */
+    if (length > 13) {
+        return I2C_RESULT_INVALID_PARAM;
+    }
+    return i2c_read(slave_addr, reg_addr, data, length);
+}
+
 #ifdef DEBUG_VERBOSE
 /*!
     \brief      get status string for debugging

Src/main.c

@@ -60,7 +60,7 @@ int main(void)
 
     // led_init();
 
-    printf("Flash size: %d Kbytes\n", get_flash_size());
+    // printf("Flash size: %d Kbytes\n", get_flash_size());
 
 #ifdef DEBUG_VERBOSE
     char hello_world[] = {"Hello World!\r\n"};

Src/tmp112.c

@@ -86,7 +86,8 @@ tmp112a_status_t tmp112a_read_temperature(tmp112a_result_t *result) {
 }
 
 void tmp112a_get_raw_temperature_value(uint8_t *value) {
-    i2c_read_16bits(TMP112A_ADDR, TMP112A_TEMP_REG, value);
+    // i2c_read_16bits(TMP112A_ADDR, TMP112A_TEMP_REG, value);
+    i2c_read(TMP112A_ADDR, TMP112A_TEMP_REG, value, 2);
     return;
 }