generated from hulk/gd32e23x_template
	unfunction
This commit is contained in:
		| @@ -57,8 +57,8 @@ 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(uint8_t reg, uint16_t *data); | ||||
|  | ||||
|  | ||||
|  | ||||
|   | ||||
| @@ -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 | ||||
|   | ||||
							
								
								
									
										174
									
								
								src/LDC1612.c
									
									
									
									
									
								
							
							
						
						
									
										174
									
								
								src/LDC1612.c
									
									
									
									
									
								
							| @@ -26,18 +26,24 @@ 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 | ||||
|  | ||||
| } | ||||
|  | ||||
| // 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 | ||||
|  * | ||||
|  * 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; | ||||
| @@ -91,99 +97,101 @@ void I2C_scan(void) { | ||||
|     } | ||||
| } | ||||
|  | ||||
|  | ||||
| /** | ||||
|  * @brief  读取16位I2C数据,带有超时机制 | ||||
|  * @param  reg: 要读取的寄存器地址 | ||||
|  * @param  value: 存储读取数据的指针 | ||||
|  * @retval 0: 成功,1: 超时 | ||||
|  */ | ||||
| uint8_t IIC_read_16bit(uint8_t reg, uint16_t *value) { | ||||
| int LDC1612_IIC_read_16bits(uint8_t reg, uint16_t *data) { | ||||
|     uint32_t timeout = 0; | ||||
|  | ||||
|     i2c_ack_config(I2C0, I2C_ACK_ENABLE); | ||||
|  | ||||
|     // 发送启动信号 | ||||
|     while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) //判断IIC总线是否忙,发送起始信号 | ||||
|         timeout++; | ||||
|     if (timeout < I2C_TIME_OUT) { | ||||
|         i2c_start_on_bus(I2C0); | ||||
|         timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 1;  // 超时 | ||||
|     } else { | ||||
|         printf("err\r\n"); | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|  | ||||
|     // 发送从设备地址和写信号 | ||||
|     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); | ||||
|         timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 2;  // 超时 | ||||
|     } else { | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|     i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); | ||||
|  | ||||
|     // 发送寄存器地址 | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT)) | ||||
|         timeout++; | ||||
|     if (timeout < I2C_TIME_OUT) { | ||||
|         i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); | ||||
|         timeout = 0; | ||||
|     } else { | ||||
|         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, reg); | ||||
|         timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_TBE)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 3;  // 超时 | ||||
|         // i2c_start_on_bus(I2C0); | ||||
|     } else { | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|  | ||||
|     // 重新启动信号 | ||||
|     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 | ||||
|         timeout++; | ||||
|     if (timeout < I2C_TIME_OUT) { | ||||
|         i2c_start_on_bus(I2C0); | ||||
|         timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 4;  // 超时 | ||||
|     } else { | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|     printf("test1\n"); | ||||
|     // 发送从设备地址和读信号 | ||||
|  | ||||
|     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); | ||||
|         timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 5;  // 超时 | ||||
|     } | ||||
|     i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); | ||||
|  | ||||
|     // 读取数据 | ||||
|     timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 6;  // 超时 | ||||
|     } | ||||
|     *value = i2c_data_receive(I2C0) << 8;  // 读取高8位 | ||||
|  | ||||
|     // 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 | ||||
|  | ||||
|     timeout = 0; | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE)) { | ||||
|         if ((timeout++) > I2C_TIME_OUT) return 7;  // 超时 | ||||
|     } | ||||
|     *value |= i2c_data_receive(I2C0);  // 读取低8位 | ||||
|  | ||||
|     // 发送停止信号 | ||||
|     i2c_stop_on_bus(I2C0); | ||||
|     timeout = 0; | ||||
|  | ||||
|     return 0;  // 成功 | ||||
| } | ||||
|  | ||||
| void LDC1612_read_sensor_infomation(void) | ||||
| { | ||||
|     uint16_t device_id; | ||||
|     uint16_t manufacturer_id; | ||||
|     uint8_t result; | ||||
|  | ||||
|     // 读取设备ID | ||||
|     result = IIC_read_16bit(READ_DEVICE_ID, &device_id); | ||||
|  | ||||
|     if (result == 0) { | ||||
|         printf("Device ID: 0x%04X\n", device_id); | ||||
|     } else { | ||||
|         printf("Failed to read Device ID\n"); | ||||
|         printf("result: %d\n", result); | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|  | ||||
|     // result = IIC_read_16bit(READ_MANUFACTURER_ID, &manufacturer_id); | ||||
|     // | ||||
|     // if (result == 0) { | ||||
|     //     printf("manufacturer  ID: 0x%04X\n", manufacturer_id); | ||||
|     // } else { | ||||
|     //     printf("Failed to read manufacturer ID\n"); | ||||
|     //     printf("result: %d\n", result); | ||||
|     // } | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND) && (timeout < I2C_TIME_OUT)) | ||||
|         timeout++; | ||||
|     if (timeout < I2C_TIME_OUT) { | ||||
|         i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND); | ||||
|         timeout = 0; | ||||
|     } else { | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|  | ||||
|     // 读取第一个字节的数据 | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) { | ||||
|         timeout++; | ||||
|     } | ||||
|     if (timeout < I2C_TIME_OUT) { | ||||
|         data[0] = i2c_data_receive(I2C0); | ||||
|         timeout = 0; | ||||
|     } else { | ||||
|         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 | ||||
|  | ||||
|     // 读取第二个字节的数据 | ||||
|     while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE) && (timeout < I2C_TIME_OUT)) { | ||||
|         timeout++; | ||||
|     } | ||||
|     if (timeout < I2C_TIME_OUT) { | ||||
|         data[1] = i2c_data_receive(I2C0); | ||||
|         timeout = 0; | ||||
|     } else { | ||||
|         return -1; // 超时返回错误 | ||||
|     } | ||||
|  | ||||
|     i2c_stop_on_bus(I2C0); | ||||
|  | ||||
|     return 0; | ||||
| } | ||||
							
								
								
									
										10
									
								
								src/main.c
									
									
									
									
									
								
							
							
						
						
									
										10
									
								
								src/main.c
									
									
									
									
									
								
							| @@ -63,18 +63,20 @@ int main(void) | ||||
|     LDC1612_read_sensor_infomation(); | ||||
|  | ||||
|  | ||||
|     while (1) | ||||
|     { | ||||
|  | ||||
|  | ||||
|  | ||||
|     while(1){ | ||||
|     } | ||||
| } | ||||
|  | ||||
| /* retarget the C library printf function to the USART */ | ||||
| int _write(int fd, char* pBuffer, int size) | ||||
| int _write (int fd, char *pBuffer, int size) | ||||
| { | ||||
|     for (int i = 0; i < size; i++) | ||||
|     { | ||||
|         usart_data_transmit(USART0, (uint8_t)pBuffer[i]); | ||||
|         while (RESET == usart_flag_get(USART0, USART_FLAG_TBE)); | ||||
|         while(RESET == usart_flag_get(USART0, USART_FLAG_TBE)); | ||||
|     } | ||||
|     return size; | ||||
| } | ||||
|   | ||||
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