STM32 控制GSM模块收发信息 F407 discovery
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main.c
#include "stm32f4_discovery.h"#include <stdio.h> #define LED1_ON GPIO_SetBits(GPIOD,GPIO_Pin_12)#define LED1_OFFGPIO_ResetBits(GPIOD,GPIO_Pin_12)#define LED2_ON GPIO_SetBits(GPIOD,GPIO_Pin_13)#define LED2_OFFGPIO_ResetBits(GPIOD,GPIO_Pin_13)extern uint8_t NbrOfDataToTransfer;extern uint8_t NbrOfDataToRead;extern __IO uint8_t TxCounter; extern __IO uint16_t RxCounter; extern volatile unsigned char MsgAddEnd;extern volatile unsigned char MsgAdd[5];extern volatile unsigned char MsgContentEnd;extern volatile unsigned char MsgContent[240];void NVIC_Config(void);void GPIO_Configuration(void);void STM_EVAL_COMInit(void);void USART_Configuration(int BaudRate);void LED_Config(void);void Delay(__IO uint32_t nCount);void SendMSG2GF(void);void MsgRemindInit(void);void ReadMSG(void);void JudgeFromMsg(void); int main(void){ /* Configure the system clocks */ NVIC_Config(); /* NVIC Configuration */ //GPIO_Configuration(); /* Configure the GPIOs */ STM_EVAL_COMInit(); USART_Configuration(115200); /* Configure the USART1 's mode */ /* Enable the EVAL_COM1 Transmit interrupt: this interrupt is generated when the EVAL_COM1 transmit data register is empty */ LED_Config(); //SendMSG2GF(); MsgRemindInit(); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); while (1) { Delay(0xFFFF); ReadMSG(); JudgeFromMsg(); }}void MsgRemindInit(){ int i; /*AT+CNMI=2,1 短信提示*/ unsigned char CMD1[13] = {0x41 ,0x54 ,0x2B ,0x43 ,0x4E ,0x4D ,0x49 ,0x3D ,0x32 ,0x2C ,0x31 ,0x0D ,0x0A}; /*AT+CMGF=1 英文方式发送*/ unsigned char CMD2[11] = {0x41 ,0x54 ,0x2B ,0x43 ,0x4D ,0x47 ,0x46 ,0x3D ,0x31 ,0x0D ,0x0A}; for(i = 0; i < 13; ++i) { USART_SendData(USART1, CMD1[i]); Delay(0xFFF); } Delay(0xFFFFFF); for(i = 0; i < 11; ++i) { USART_SendData(USART1, CMD2[i]); Delay(0xFFF); } Delay(0xFFFFFF);}void ReadMSG(){ int i; unsigned char CMD1[8] = {0x41 , 0x54 , 0x2B , 0x43 , 0x4D , 0x47 , 0x52 , 0x3D}; unsigned char CMD2[5] = {0xff, 0xff, 0xff, 0xff, 0xff}; // 改回000 unsigned char CMD3[2] = {0x0D, 0x0A}; while(MsgAddEnd == 0) Delay(1); for(i = 0; i < 5; ++i) { CMD2[i] = MsgAdd[i]; if(MsgAdd[i] == 0xff) break; } MsgAddEnd = 0; for(i = 0; i < 5; ++i) MsgAdd[i] = 0xff; /*tx*/ for(i = 0; i < 8; ++i) { USART_SendData(USART1, CMD1[i]); Delay(0xFFF); } for(i = 0; i < 5; ++i) { if(CMD2[i] != 0xff) { if(CMD2[i] == 0x00) break; USART_SendData(USART1, CMD2[i]); Delay(0xFFF); } else break; } for(i = 0; i < 2; ++i) { USART_SendData(USART1, CMD3[i]); Delay(0xFFF); } LED1_ON; /*waiting for msg content*/ while(MsgContentEnd == 0) Delay(1); Delay(0xff); LED1_OFF; MsgContentEnd = 0;}void JudgeFromMsg(){ int i = 0; if(MsgContent[0] == '1') { LED1_ON ; LED2_ON ; } if(MsgContent[0] == '0') { LED1_OFF; LED2_OFF; } for(i = 0; i < 240; ++i) MsgContent[i] = 0xff;}void SendMSG2GF(){ int i; // Step1 : AT+CMGF=1 unsigned char CMD1[11] = {0x41 ,0x54 ,0x2B ,0x43 ,0x4D ,0x47 ,0x46 ,0x3D ,0x31 ,0x0D ,0x0A}; // Step2 : AT+CMGS="18362970179" unsigned char CMD2[23] = {0x41 ,0x54 ,0x2B ,0x43 ,0x4D ,0x47 ,0x53 ,0x3D ,0x22 ,0x31 ,0x35 ,0x30 ,0x30 ,0x35 ,0x31 ,0x38 ,0x33 ,0x32 ,0x37 ,0x34 ,0x22 ,0x0D ,0x0A}; // Step3 : STM32 unsigned char content[5] = {0x53 ,0x54 ,0x4D ,0x33 ,0x32}; // Step4 : 0x1A unsigned char CMD3 = 0x1A; for(i = 0; i < 11; ++i) { USART_SendData(USART1, CMD1[i]); Delay(0xFFF); } Delay(0xFFFFFF); for(i = 0; i < 23; ++i) { USART_SendData(USART1, CMD2[i]); Delay(0xFFF); } Delay(0xFFFFFF); for(i = 0; i < 5; ++i) { USART_SendData(USART1, content[i]); Delay(0xFFF); } Delay(0xFFFFFF); USART_SendData(USART1, CMD3);}void Delay(__IO uint32_t nCount){ while(nCount--) { }}/******************************************************************************** Function Name : GPIO_Configuration* Description : Configures the different GPIO ports.* Input : None* Output : None* Return : None*******************************************************************************/void GPIO_Configuration(void){ GPIO_InitTypeDef GPIO_InitStructure; /* Configure USART1 Tx (PA.09) as alternate function push-pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_Init(GPIOA, &GPIO_InitStructure); /* Configure USART1 Rx (PA.10) as input floating */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; GPIO_Init(GPIOA, &GPIO_InitStructure);}/** * @brief Configures COM port. * @param COM: Specifies the COM port to be configured. * This parameter can be one of following parameters: * @arg COM1 * @arg COM2 * @param USART_InitStruct: pointer to a USART_InitTypeDef structure that * contains the configuration information for the specified USART peripheral. * @retval None */void STM_EVAL_COMInit(void){ GPIO_InitTypeDef GPIO_InitStructure; /* Enable GPIO clock */ RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE); /* Enable UART clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); /* Connect PXx to USARTx_Tx*/ GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_USART1); /* Connect PXx to USARTx_Rx*/ GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_USART1); /* Configure USART Tx as alternate function */ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); /* Configure USART Rx as alternate function */ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOB, &GPIO_InitStructure);}/******************************************************************************** Function Name : USART_Configuration* Description : Configures the USART1.* Input : None* Output : None* Return : None*******************************************************************************/void USART_Configuration(int BaudRate){ USART_InitTypeDef USART_InitStructure; USART_InitStructure.USART_BaudRate = BaudRate; 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_Rx | USART_Mode_Tx; USART_Init(USART1, &USART_InitStructure); /* Configure USART1 basic and asynchronous paramters */ USART_Cmd(USART1, ENABLE); /* Enable USART1 */}void LED_Config(void){GPIO_InitTypeDef GPIO_InitStructure;RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD , ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 ; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_Init(GPIOD, &GPIO_InitStructure);}void NVIC_Config(void){ NVIC_InitTypeDef NVIC_InitStructure; /* Enable the USARTx Interrupt */ NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure);}#ifdef USE_FULL_ASSERT/** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */void assert_failed(uint8_t* file, uint32_t line){ /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* Infinite loop */ while (1) { }}#endif/******************************************************************************** Function Name : fputc* Description : Retargets the C library printf function to the USART.* Input : None* Output : None* Return : None*******************************************************************************/int fputc(int ch, FILE *f){ /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(USART1, (u8) ch); /* Loop until the end of transmission */ while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET) { } return ch;}中断函数
#include "stm32f4xx_it.h"#define LED1_ON GPIO_SetBits(GPIOD,GPIO_Pin_12)#define LED1_OFFGPIO_ResetBits(GPIOD,GPIO_Pin_12)#define LED2_ON GPIO_SetBits(GPIOD,GPIO_Pin_13)#define LED2_OFFGPIO_ResetBits(GPIOD,GPIO_Pin_13)#define USARTx_IRQHANDLER USART1_IRQHandler#define TXBUFFERSIZE (countof(TxBuffer) - 1)#define RXBUFFERSIZE 0x20#define countof(a) (sizeof(a) / sizeof(*(a)))/* Private variables ---------------------------------------------------------*/uint8_t TxBuffer[] = "\n\rUSART Hyperterminal Interrupts Example: USART-Hyperterminal\ communication using Interrupt\n\r";uint8_t RxBuffer[RXBUFFERSIZE];uint8_t NbrOfDataToTransfer = TXBUFFERSIZE;uint8_t NbrOfDataToRead = RXBUFFERSIZE;__IO uint8_t TxCounter = 0; __IO uint8_t RxData; __IO uint16_t RxCounter = 0; volatile unsigned char MsgAddBegin = 0;volatile unsigned char MsgAddEnd = 0;volatile unsigned char MsgAddSvCur = 0;volatile unsigned char MsgAdd[5];volatile unsigned char MsgContentSvCur = 0;volatile unsigned char MsgContentBegin = 0;volatile unsigned char MsgContentEnd = 0;volatile unsigned char MsgContent[240];volatile unsigned char HeadCur = 0;#define HeadCnt 3volatile unsigned char Head[HeadCnt + 1] = {0x2B , 0x43 , 0x4D, 0xff}; // +CMvolatile unsigned char AddHeadCur = 0;#define AddHeadCnt 9volatile unsigned char AddHead[AddHeadCnt + 1] = {0x54 ,0x49 ,0x3A ,0x20 ,0x22 ,0x53 ,0x4D ,0x22 ,0x2C, 0xff}; //TI: "SM",volatile unsigned char AddTailCur = 0;#define AddTailCnt 2volatile unsigned char AddTail[AddTailCnt] = {0x0D, 0x0A};volatile unsigned char ContentHeadCur = 0;#define ContentHeadCnt 2volatile unsigned char ContentHead[ContentHeadCnt + 1] = {0x47 ,0x52 ,0xff}; //GR: 0x47 ,0x52 ,0x3A ,0x20, 0xffvolatile unsigned char QuotationMarkCnt = 0; // 8/* Private macro -------------------------------------------------------------*//* Private variables ---------------------------------------------------------*//* Private function prototypes -----------------------------------------------*//* Private functions ---------------------------------------------------------*//******************************************************************************//* Cortex-M4 Processor Exceptions Handlers *//******************************************************************************//** * @brief This function handles NMI exception. * @param None * @retval None */void NMI_Handler(void){}/** * @brief This function handles Hard Fault exception. * @param None * @retval None */void HardFault_Handler(void){ /* Go to infinite loop when Hard Fault exception occurs */ while (1) { }}/** * @brief This function handles Memory Manage exception. * @param None * @retval None */void MemManage_Handler(void){ /* Go to infinite loop when Memory Manage exception occurs */ while (1) { }}/** * @brief This function handles Bus Fault exception. * @param None * @retval None */void BusFault_Handler(void){ /* Go to infinite loop when Bus Fault exception occurs */ while (1) { }}/** * @brief This function handles Usage Fault exception. * @param None * @retval None */void UsageFault_Handler(void){ /* Go to infinite loop when Usage Fault exception occurs */ while (1) { }}/** * @brief This function handles SVCall exception. * @param None * @retval None */void SVC_Handler(void){}/** * @brief This function handles Debug Monitor exception. * @param None * @retval None */void DebugMon_Handler(void){}/** * @brief This function handles PendSVC exception. * @param None * @retval None */void PendSV_Handler(void){}/** * @brief This function handles SysTick Handler. * @param None * @retval None */void SysTick_Handler(void){}/******************************************************************************//* STM32F4xx Peripherals Interrupt Handlers *//******************************************************************************//** * @brief This function handles USARTx global interrupt request. * @param None * @retval None */void USARTx_IRQHANDLER(void){ if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) { RxData = USART_ReceiveData(USART1); //USART_SendData(USART1, RxData); if(MsgAddBegin == 1) { if(RxData == 0x0D) { MsgAddEnd = 1; MsgAddBegin = 0; HeadCur = 0; AddHeadCur = 0; MsgAddSvCur = 0; return; } MsgAdd[MsgAddSvCur] = RxData; MsgAddSvCur++; return; } if(MsgContentBegin == 1) { if(RxData == 0x0D) { MsgContentEnd = 1; MsgContentBegin = 0; HeadCur = 0; ContentHeadCur = 0; MsgContentSvCur = 0; QuotationMarkCnt = 0; return; } MsgContent[MsgContentSvCur] = RxData; MsgContentSvCur++; return; } if(RxData == Head[HeadCur]) HeadCur++; else { if(HeadCur == HeadCnt) { if(RxData == AddHead[AddHeadCur]) AddHeadCur++; if(RxData == ContentHead[ContentHeadCur]) ContentHeadCur++; if(ContentHeadCur == ContentHeadCnt) { if(RxData == 0x22) QuotationMarkCnt++ ; if(QuotationMarkCnt == 8) { if(RxData == 0x0A) { MsgContentBegin = 1; MsgContentSvCur = 0; } } return; } else if(AddHeadCur == AddHeadCnt) { MsgAddBegin = 1; MsgAddSvCur = 0; return ; } } else HeadCur = 0; } }}/******************************************************************************//* STM32F4xx Peripherals Interrupt Handlers *//* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the *//* available peripheral interrupt handler's name please refer to the startup *//* file (startup_stm32f4xx.s). *//******************************************************************************//** * @brief This function handles PPP interrupt request. * @param None * @retval None *//*void PPP_IRQHandler(void){}*//** * @} */ /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/- STM32 控制GSM模块收发信息 F407 discovery
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