#include "HD_UART.h" void USART2_IRQHandler(void) __attribute__((interrupt())); void USART3_IRQHandler(void) __attribute__((interrupt())); #ifdef uart4_enable // void UART4_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast"))); void UART4_IRQHandler(void) __attribute__((interrupt())); #endif void UART5_IRQHandler(void) __attribute__((interrupt())); void UART6_IRQHandler(void) __attribute__((interrupt())); void UART7_IRQHandler(void) __attribute__((interrupt())); void UART8_IRQHandler(void) __attribute__((interrupt())); #define write Bit_SET #define read Bit_RESET /* * @brief 初始化UART6对应的J1_485,默认为接收 * @param baud 波特率 * @retval * */ void J1_485_Init(uint32_t baud) { /* 初始化DE引脚 */ GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE); GPIO_InitStructure.GPIO_Pin = J1_DE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(J1_DE_PROT, &GPIO_InitStructure); readJ1_485; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* UART6 TX --> PC0 RX --> PC1 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART6, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PC0为复用推挽输出 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PC1为浮空输入 GPIO_Init(GPIOC, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(UART6, &USART_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = UART6_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; //抢占优先级为3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级为3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_ITConfig(UART6, USART_IT_RXNE, ENABLE); USART_ITConfig(UART6, USART_IT_IDLE, ENABLE); USART_Cmd(UART6,ENABLE); } /* * @brief 初始化UART7对应的J2_485,默认为接收，电源关闭状态 * @param baud 波特率 * @retval * */ void J2_485_Init(uint32_t baud) { /* 初始化DE引脚 */ GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE); GPIO_InitStructure.GPIO_Pin = J2_DE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(J2_DE_PROT, &GPIO_InitStructure); readJ2_485; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* UART7 TX --> PC2 RX --> PC3 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART7, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PC2为复用推挽输出 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PC3为浮空输入 GPIO_Init(GPIOC, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(UART7, &USART_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = UART7_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; //抢占优先级为3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级为3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_ITConfig(UART7, USART_IT_RXNE, ENABLE); USART_ITConfig(UART7, USART_IT_IDLE, ENABLE); USART_Cmd(UART7,ENABLE); } /* * @brief 初始化USART2对应的J3_485,默认为接收，电源关闭状态 * @param baud 波特率 * @retval * */ void J3_485_Init(uint32_t baud) { /* 初始化DE引脚 */ GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); GPIO_InitStructure.GPIO_Pin = J3_DE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(J3_DE_PROT, &GPIO_InitStructure); readJ3_485; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* USART2 TX --> PA2 RX --> PA3 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PA2为复用推挽输出 GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PA3为浮空输入 GPIO_Init(GPIOA, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(USART2, &USART_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; //抢占优先级为1 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级为1 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_ITConfig(USART2, USART_IT_RXNE, ENABLE); USART_ITConfig(USART2, USART_IT_IDLE, ENABLE); USART_Cmd(USART2,ENABLE); } /* * @brief 初始化UART8对应的J4_485,默认为接收，电源关闭状态 * @param baud 波特率 * @retval * */ void J4_485_Init(uint32_t baud) { /* 初始化DE引脚 */ GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); GPIO_InitStructure.GPIO_Pin = J4_DE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(J4_DE_PROT, &GPIO_InitStructure); readJ4_485; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* UART8 TX --> PC4 RX --> PC5 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART8, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PC4为复用推挽输出 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PC5为浮空输入 GPIO_Init(GPIOC, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(UART8, &USART_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = UART8_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; //抢占优先级为3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级为3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_ITConfig(UART8, USART_IT_RXNE, ENABLE); USART_ITConfig(UART8, USART_IT_IDLE, ENABLE); USART_Cmd(UART8,ENABLE); } /* * @brief 初始话USART3用于控制J5-0共6个485接口,设置控制的485为J0，电源全部关闭 * @param baud 波特率 * @retval * */ void J5_0_485_Init(uint32_t baud) { /* 初始化DE引脚 */ GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD,ENABLE); GPIO_InitStructure.GPIO_Pin = J5_0_DE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(J5_0_DE_PROT, &GPIO_InitStructure); readJ5_0_485; // writeJ5_0_485; GPIO_InitStructure.GPIO_Pin = J5_0_A_PIN; GPIO_Init(J5_0_DE_PROT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = J5_0_B_PIN; GPIO_Init(J5_0_DE_PROT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = J5_0_C_PIN; GPIO_Init(J5_0_DE_PROT, &GPIO_InitStructure); USART_CONNET_J0(); USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* USART3 TX --> PB10 RX --> PB11 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PB10为复用推挽输出 GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PB11为浮空输入 GPIO_Init(GPIOB, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(USART3, &USART_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1; //抢占优先级为1 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; //子优先级为1 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_ITConfig(USART3, USART_IT_RXNE, ENABLE); USART_ITConfig(USART3, USART_IT_IDLE, ENABLE); // USART_ITConfig(USART3, USART_IT_IDLE, ENABLE); USART_Cmd(USART3,ENABLE); } /* * Function Name : USART_CONNET_J0 * Description : 控制串口3连接J0对应的485. * Input : None * Return : None **/ void USART_CONNET_J0(void) { GPIO_WriteBit(J5_0_A_PROT, J5_0_A_PIN, Bit_RESET); GPIO_WriteBit(J5_0_B_PROT, J5_0_B_PIN, Bit_RESET); GPIO_WriteBit(J5_0_C_PROT, J5_0_C_PIN, Bit_RESET); } /* * Function Name : USART_CONNET_J5 * Description : 控制串口3连接J5对应的485. * Input : None * Return : None **/ void USART_CONNET_J5(void) { GPIO_WriteBit(J5_0_A_PROT, J5_0_A_PIN, Bit_RESET); GPIO_WriteBit(J5_0_B_PROT, J5_0_B_PIN, Bit_RESET); GPIO_WriteBit(J5_0_C_PROT, J5_0_C_PIN, Bit_SET); } /* * Function Name : USART_CONNET_J6 * Description : 控制串口3连接J6对应的485. * Input : None * Return : None **/ void USART_CONNET_J6(void) { GPIO_WriteBit(J5_0_A_PROT, J5_0_A_PIN, Bit_RESET); GPIO_WriteBit(J5_0_B_PROT, J5_0_B_PIN, Bit_SET); GPIO_WriteBit(J5_0_C_PROT, J5_0_C_PIN, Bit_RESET); } /* * Function Name : USART_CONNET_J7 * Description : 控制串口3连接J7对应的485. * Input : None * Return : None **/ void USART_CONNET_J7(void) { GPIO_WriteBit(J5_0_A_PROT, J5_0_A_PIN, Bit_RESET); GPIO_WriteBit(J5_0_B_PROT, J5_0_B_PIN, Bit_SET); GPIO_WriteBit(J5_0_C_PROT, J5_0_C_PIN, Bit_SET); } /* * Function Name : USART_CONNET_J8 * Description : 控制串口3连接J8对应的485. * Input : None * Return : None **/ void USART_CONNET_J8(void) { GPIO_WriteBit(J5_0_A_PROT, J5_0_A_PIN, Bit_SET); GPIO_WriteBit(J5_0_B_PROT, J5_0_B_PIN, Bit_RESET); GPIO_WriteBit(J5_0_C_PROT, J5_0_C_PIN, Bit_RESET); } /* * Function Name : USART_CONNET_J9 * Description : 控制串口3连接J9对应的485. * Input : None * Return : None **/ void USART_CONNET_J9(void) { GPIO_WriteBit(J5_0_A_PROT, J5_0_A_PIN, Bit_SET); GPIO_WriteBit(J5_0_B_PROT, J5_0_B_PIN, Bit_RESET); GPIO_WriteBit(J5_0_C_PROT, J5_0_C_PIN, Bit_SET); } #ifdef uart4_enable /* * @brief 初始化UART4对应的LORA串口 * @param baud 波特率 * @retval * */ void LORA_UART4_Init(uint32_t baud) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* UART4 TX --> PC10 RX --> PC11 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PC10为复用推挽输出 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PC11为浮空输入 GPIO_Init(GPIOC, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(UART4, &USART_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3; //抢占优先级为3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级为3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_ITConfig(UART4, USART_IT_RXNE, ENABLE); USART_Cmd(UART4,ENABLE); } #endif /* * @brief 初始化UART5对应的对上串口 * @param baud 波特率 * @retval * */ void Upward_UART5_Init(uint32_t baud) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; /* UART5 TX --> PC12 RX --> PD2 */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //设置PC12为复用推挽输出 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //设置PD2为浮空输入 GPIO_Init(GPIOD, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = baud; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(UART5, &USART_InitStructure); USART_ITConfig(UART5, USART_IT_RXNE, ENABLE); NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; //抢占优先级为3 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //子优先级为3 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能 NVIC_Init(&NVIC_InitStructure); //中断优先级初始化 USART_Cmd(UART5,ENABLE); } void USART2_IRQHandler(void) { J3_Interrupt(); } void USART3_IRQHandler(void) { J5_0_Interrupt(); } #ifdef uart4_enable void UART4_IRQHandler(void) { } #endif void UART5_IRQHandler(void) { Upward_Interrupt(); } void UART6_IRQHandler(void) { J1_Interrupt(); } void UART7_IRQHandler(void) { J2_Interrupt(); } void UART8_IRQHandler(void) { J4_Interrupt(); } /* * @brief 发送一个字符 * @param pUSARTx 串口 data 字符 * @retval * */ void USARTx_SendByte(USART_TypeDef* pUSARTx, uint8_t data) { while(USART_GetFlagStatus(pUSARTx, USART_FLAG_TXE) == RESET) /* waiting for sending finish */ { } USART_SendData(pUSARTx, data); } /* * @brief 发送字符串 * @param pUSARTx 串口 data 字符 len 发送字符串的长度 * @retval * */ void USARTx_SendStr_Len(USART_TypeDef* pUSARTx, char *str, int len) { if (pUSARTx == J1_USART) { writeJ1_485; } else if (pUSARTx == J2_USART) { writeJ2_485; } else if (pUSARTx == J3_USART) { writeJ3_485; } else if (pUSARTx == J4_USART) { writeJ4_485; } else if (pUSARTx == J5_0_USART) { writeJ5_0_485; } for (int i = 0; i < len; i++) { USARTx_SendByte(pUSARTx, str[i]); } if (pUSARTx == J1_USART) { readJ1_485; } else if (pUSARTx == J2_USART) { readJ2_485; } else if (pUSARTx == J3_USART) { readJ3_485; } else if (pUSARTx == J4_USART) { readJ4_485; } else if (pUSARTx == J5_0_USART) { readJ5_0_485; } }