#include "RS232.h"
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#include "gpio.h"
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#include "1gprs.h"
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#include "string.h"
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#include "devicegpioinit.h"
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unsigned char UTR_rec_buff[RX232_LENGTH];
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unsigned char UTR_rec_cnt = 0;
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unsigned char UTR_rec_finish_flag = 0;
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/*GPRS´®¿Ú³õʼ»¯*/
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void GPRS_Usart_Init(uint32 system_BaudRate) // ´®¿Ú1 DMAͨµÀ3
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{
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UART_SInitTypeDef UART_para; // UART³õʼ»¯½á¹¹Ìå
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CMU_ClocksType CMU_Clocks; // ϵͳ¸÷ʱÖÓƵÂʽṹÌå ÔÚ´ËÓë¼ÆË㲨ÌØÂÊÓйØ
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// /*UART IO ÅäÖÃ*/
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CMU_PERCLK_SetableEx(PADCLK, ENABLE); // PADʱÖÓ£¨GPIO£©Ê¹Äܺ¯Êý
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AltFunIO(GPRSRS232_TXD_EN_PIN_GROUP, GPRSRS232_TXD_EN_PIN_NUM, ALTFUN_NORMAL); // PE4 UART1 TX
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AltFunIO(GPRSRS232_RXD_EN_PIN_GROUP, GPRSRS232_RXD_EN_PIN_NUM, ALTFUN_NORMAL); // PE3 UART1 RX
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//----------------------------------------------------------------------------------------
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// UART¹¤×÷ʱÖÓÔ´Ñ¡Ôñ Ö»ÓÐUART0¡¢1ÐèҪѡÔñ ÆäËûUART¶Ë¿ÚÔݲ»ÐèÒª Ö±½Ó×¢Êͼ´¿É
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UART_para.ClockSrc = CMU_OPCCR1_UART1CKS_APBCLK; // UART0¹¤×÷ʱÖÓÑ¡Ôñ
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UART_para.BaudRate = system_BaudRate;
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UART_para.DataBit = Eight8Bit; // Êý¾ÝλÊý
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UART_para.ParityBit = NONE; // ÆæżУÑé
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UART_para.StopBit = OneBit; // ֹͣλ
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CMU_GetClocksFreq(&CMU_Clocks); // »ñȡϵͳ¸÷ʱÖÓƵÂÊ
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UART_SInit(UART1, &UART_para, &CMU_Clocks); // ³õʼ»¯uart
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/*NVICÖжÏÓÅÏȼ¶ÒÔ¼°ÊÇ·ñ´ò¿ªÖжÏÅäÖÃ*/
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NVIC_DisableIRQ(UART1_IRQn);
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// NVIC_SetPriority(UART1_IRQn,2);//ÖжÏÓÅÏȼ¶ÅäÖÃ
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// NVIC_EnableIRQ(UART1_IRQn); //ÖжϷþÎñº¯Êý¿ª
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UARTx_CSR_RXEN_Setable(UART1, ENABLE); // ´ò¿ª½ÓÊÕʹÄÜ
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UARTx_CSR_TXEN_Setable(UART1, ENABLE); // ´ò¿ª·¢ËÍʹÄÜ
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UARTx_ISR_RXBF_Clr(UART1);
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////--------DMAͨµÀ3ÅäÖÃ----------------------------------------------------------------
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DMA_InitTypeDef DMA_InitStructure; // DMA³õʼ»¯²ÎÊý½á¹¹Ìå
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CMU_PERCLK_SetableEx(DMACLK, ENABLE); // DMAʱÖÓʹÄÜ
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DMA_GCR_DMAEN_Setable(ENABLE); // DMA×ÜʹÄÜ
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DMA_InitStructure.CHx = DMA_CH3; // DMAͨµÀºÅÉèÖÃ
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DMA_InitStructure.CHxPRI = DMA_CHxCR_CHxPRI_HIGH; // ͨµÀÓÅÏȼ¶ÉèÖÃ
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DMA_InitStructure.CHxINC = DMA_CHxCR_CHxINC_INCREASE; // ͨµÀµØÖ·Ôö³¤·½Ïò
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DMA_InitStructure.CHxSSEL = DMA_CHxCR_CH3SSEL_UART1_RX; // ÍâÉèͨµÀÑ¡Ôñ
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DMA_InitStructure.CHxDIR = DMA_CHxCR_DIR_TO_RAM; // Êý¾Ý´«Êä·½ÏòÉèÖÃ
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DMA_InitStructure.CHxTSIZE = LINKRXDBOUND; // ͨµÀ´«Ê䳤¶È
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DMA_InitStructure.CHxRAMAD = (uint32)LinkDlg.UartBuff; // Ä¿±êµØÖ·
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DMA_InitStructure.CHxBDW = DMA_CHxCR_BDW_8BITS; // ͨµÀ´«Êä´ø¿í
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DMA_InitStructure.CHxFTIE = DISABLE; // ͨµÀ´«ÊäÍê³ÉÖжÏʹÄÜ
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DMA_InitStructure.CHxHTIE = DISABLE; // ͨµÀ´«Êä°ë³ÌÖÕ¶ËʹÄÜ
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DMA_InitStructure.CHxEN = ENABLE; // ͨµÀʹÄÜ
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NVIC_DisableIRQ(DMA_IRQn);
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// NVIC_SetPriority(DMA_IRQn,3);//ÖжÏÓÅÏȼ¶ÅäÖÃ
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// NVIC_EnableIRQ(DMA_IRQn);
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// DMA_CHxCR_CHxFTIE_Setable(MODBUS_DMA_RX_CHANNEL,ENABLE);//ͨµÀ´«ÊäÍê³ÉÖжÏʹÄÜ
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DMA_ISR_DMACHFT_Clr(DMA_CH3); // ÇåDMA´«ÊäÍê³É±êÖ¾
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DMA_Init(&DMA_InitStructure); // DMAÅäÖòÎÊýдÈë
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}
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/*ÉÏλ»ú´®¿Ú³õʼ»¯*/
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void UTR_Uart_Init(uint32 system_BaudRate) // ´®¿Ú5 DMAͨµÀ5
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{
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UART_SInitTypeDef UART_para; // UART³õʼ»¯½á¹¹Ìå
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CMU_ClocksType CMU_Clocks; // ϵͳ¸÷ʱÖÓƵÂʽṹÌå ÔÚ´ËÓë¼ÆË㲨ÌØÂÊÓйØ
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// /*UART5 IO ÅäÖÃ*/
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CMU_PERCLK_SetableEx(PADCLK, ENABLE); // PADʱÖÓ£¨GPIO£©Ê¹Äܺ¯Êý
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AltFunIO(URXD_EN_PIN_GROUP, URXD_EN_PIN_NUM, ALTFUN_NORMAL);
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AltFunIO(UTXD_EN_PIN_GROUP, UTXD_EN_PIN_NUM, ALTFUN_NORMAL);
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////-----------------------------------------------------------------------------
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// UART¹¤×÷ʱÖÓÔ´Ñ¡Ôñ Ö»ÓÐUART0¡¢1ÐèҪѡÔñ ÆäËûUART¶Ë¿ÚÔݲ»ÐèÒª Ö±½Ó×¢Êͼ´¿É
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// UART_para.ClockSrc = CMU_OPCCR1_UART1CKS_APBCLK; //UART0¹¤×÷ʱÖÓÑ¡Ôñ
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UART_para.BaudRate = system_BaudRate;
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UART_para.DataBit = Eight8Bit; // Êý¾ÝλÊý
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UART_para.ParityBit = NONE; // ÆæżУÑé
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UART_para.StopBit = OneBit; // ֹͣλ
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CMU_GetClocksFreq(&CMU_Clocks); // »ñȡϵͳ¸÷ʱÖÓƵÂÊ
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UART_SInit(UART5, &UART_para, &CMU_Clocks); // ³õʼ»¯uart
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// UARTx_IER_RXBF_IE_Setable(UART5, ENABLE);//½ÓÊÕ»º´æÂúÖжÏʹÄÜ ÐèҪʹÓýÓÊÕÖжϴò¿ª´Ë´¦ÉèÖÃ
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// UARTx_IER_TXSE_IE_Setable(UART5, ENABLE)£»//·¢ËÍ»º´æ¿ÕÇÒ·¢ËÍÒÆλ¼Ä´æÆ÷¿ÕÖжÏʹÄÜ ÐèҪʹÓ÷¢ËÍÖжϴò¿ª´Ë´¦ÉèÖÃ
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/*NVICÖжÏÓÅÏȼ¶ÒÔ¼°ÊÇ·ñ´ò¿ªÖжÏÅäÖÃ*/
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NVIC_DisableIRQ(UART5_IRQn);
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// NVIC_SetPriority(UART5_IRQn,2);//ÖжÏÓÅÏȼ¶ÅäÖÃ
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// NVIC_EnableIRQ(UART5_IRQn); //ÖжϷþÎñº¯Êý¿ª
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UARTx_CSR_RXEN_Setable(UART5, ENABLE); // ´ò¿ª½ÓÊÕʹÄÜ
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UARTx_CSR_TXEN_Setable(UART5, ENABLE); // ´ò¿ª·¢ËÍʹÄÜ
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UARTx_ISR_RXBF_Clr(UART5);
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//--------DMAͨµÀ5ÅäÖÃ----------------------------------------------------------------
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DMA_InitTypeDef DMA_InitStructure; // DMA³õʼ»¯²ÎÊý½á¹¹Ìå
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CMU_PERCLK_SetableEx(DMACLK, ENABLE); // DMAʱÖÓʹÄÜ
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DMA_GCR_DMAEN_Setable(ENABLE); // DMA×ÜʹÄÜ
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DMA_InitStructure.CHx = DMA_CH5; // DMAͨµÀºÅÉèÖÃ
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DMA_InitStructure.CHxPRI = DMA_CHxCR_CHxPRI_HIGH; // ͨµÀÓÅÏȼ¶ÉèÖÃ
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DMA_InitStructure.CHxINC = DMA_CHxCR_CHxINC_INCREASE; // ͨµÀµØÖ·Ôö³¤·½Ïò
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DMA_InitStructure.CHxSSEL = DMA_CHxCR_CH5SSEL_UART5_RX; // ÍâÉèͨµÀÑ¡Ôñ
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DMA_InitStructure.CHxDIR = DMA_CHxCR_DIR_TO_RAM; // Êý¾Ý´«Êä·½ÏòÉèÖÃ
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DMA_InitStructure.CHxTSIZE = LINKRXDBOUND; // ͨµÀ´«Ê䳤¶È
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DMA_InitStructure.CHxRAMAD = (u32)(UTR_rec_buff); // Ä¿±êµØÖ·
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DMA_InitStructure.CHxBDW = DMA_CHxCR_BDW_8BITS; // ͨµÀ´«Êä´ø¿í
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DMA_InitStructure.CHxFTIE = DISABLE; // ͨµÀ´«ÊäÍê³ÉÖжÏʹÄÜ
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DMA_InitStructure.CHxHTIE = DISABLE; // ͨµÀ´«Êä°ë³ÌÖÕ¶ËʹÄÜ
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DMA_InitStructure.CHxEN = ENABLE; // ͨµÀʹÄÜ
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NVIC_DisableIRQ(DMA_IRQn);
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// NVIC_SetPriority(DMA_IRQn,3);//ÖжÏÓÅÏȼ¶ÅäÖÃ
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// NVIC_EnableIRQ(DMA_IRQn);
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// DMA_CHxCR_CHxFTIE_Setable(UART5,ENABLE);//ͨµÀ´«ÊäÍê³ÉÖжÏʹÄÜ
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DMA_ISR_DMACHFT_Clr(DMA_CH5);
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DMA_Init(&DMA_InitStructure); // DMAÅäÖòÎÊýдÈë
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UTRXD_RE_L;
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}
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//---------GPRS--------------------------------------------------------------------
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void gprsuart_sendbyte(uint8_t Byte)
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{
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UARTx_TXBUF_Write(UART1, Byte); // ½«·¢ËÍÊý¾ÝдÈë·¢ËͼĴæÆ÷
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while (RESET == UARTx_ISR_TXSE_Chk(UART1))
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; // µÈ´ý·¢ËÍÍê³É
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}
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void GPRS_UartSendCode(char *code)
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{
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unsigned char len;
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unsigned char i;
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len = strlen(code); // ¼ÆËãµ÷ÊÔÐÅÏ¢µÄ³¤¶È
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for (i = 0; i < len; i++)
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{
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gprsuart_sendbyte(*code);
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code++;
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}
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delay_ms(1);
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}
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//---------ÉÏλ»ú--------------------------------------------------------------------
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void UTR_sendbyte(unsigned char dat)
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{
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UTRXD_RE_H;
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UARTx_TXBUF_Write(UART5, dat); // ½«·¢ËÍÊý¾ÝдÈë·¢ËͼĴæÆ÷
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while (RESET == UARTx_ISR_TXSE_Chk(UART5))
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; // µÈ´ý·¢ËÍÍê³É
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UTRXD_RE_L;
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}
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void UTR_Send_Data(uint8 *buf, uint16 len)
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{
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uint16 t;
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UTRXD_RE_H;
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for (t = 0; t < len; t++) // send data
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{
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UARTx_TXBUF_Write(UART5, buf[t]); // ½«·¢ËÍÊý¾ÝдÈë·¢ËͼĴæÆ÷
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while (RESET == UARTx_ISR_TXSE_Chk(UART5))
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; // µÈ´ý·¢ËÍÍê³É
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}
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while (RESET == UARTx_ISR_TXSE_Chk(UART5))
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; // µÈ´ý·¢ËÍÍê³É
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UTRXD_RE_L;
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}
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void UTR_DMA_Send_Data(uint8 *buf, uint16 len)
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{
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while (DMA_ISR_DMACHFT_Chk(DMA_CH5) == RESET)
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{
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};
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DMA_ISR_DMACHFT_Clr(DMA_CH5); // ÇåDMA´«ÊäÍê³É±êÖ¾
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UARTx_ISR_TXSE_Clr(UART5); // Çå·¢ËÍ¿ÕÇÒÒÆλ¼Ä´æÆ÷¿Õ±êÖ¾
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// µÈ´ý·¢ËÍÍê³É
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while (UARTx_ISR_TXSE_Chk(UART5) == RESET)
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{
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};
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UARTx_ISR_TXSE_Clr(UART5); // Çå·¢ËÍ¿ÕÇÒÒÆλ¼Ä´æÆ÷¿Õ±êÖ¾
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// ·¢ËÍÍêʧÄÜDMA
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DMA_CHxCR_ChxEN_Setable(DMA_CH5, DISABLE); // ͨµÀ1ʧÄÜ
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}
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//-----------------------------------------------------------------------------------------
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// printf()Öض¨Ïò
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// int fputc(int c, FILE * stream)
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//{
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// UTRXD_RE_H;
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// UARTx_TXBUF_Write(UART5, c); //½«·¢ËÍÊý¾ÝдÈë·¢ËͼĴæÆ÷
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// while(RESET == UARTx_ISR_TXSE_Chk(UART5))//µÈ´ý·¢ËÍÍê³É
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// {
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// }
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// return c;
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// UTRXD_RE_L;
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//}
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//======================================================================================
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// ´®¿Ú·¢Ë͵÷ÊÔÐÅÏ¢ RS485·¢Ë͵÷ÊÔÐÅÏ¢
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void UartDebugFun(char *str)
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{
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unsigned char len;
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len = strlen(str); // ¼ÆËãµ÷ÊÔÐÅÏ¢µÄ³¤¶È
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UTR_Send_Data((u8 *)str, len);
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delay_ms(1);
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}
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///*--------------------------------ÖжϷþÎñº¯Êý--------------------------------------------------*/
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uint8_t RX_dat;
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uint8_t RX_flag;
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void UART1_IRQHandler(void)
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{
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// ½ÓÊÕÖжϴ¦Àí
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if ((ENABLE == UARTx_IER_RXBF_IE_Getable(UART1)) && (SET == UARTx_ISR_RXBF_Chk(UART1)))
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{
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DMA_ISR_DMACHFT_Clr(DMA_CH3);
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DMA_CHxCR_ChxEN_Setable(DMA_CH3, DISABLE); // ͨµÀʧÄÜ
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DMA_CHxMAR_Write(DMA_CH3, (uint32)LinkDlg.UartBuff);
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DMA_CHxCR_ChxEN_Setable(DMA_CH3, ENABLE); // ͨµÀʹÄÜ
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}
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}
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void UART5_IRQHandler(void)
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{
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// ½ÓÊÕÖжϴ¦Àí
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if ((ENABLE == UARTx_IER_RXBF_IE_Getable(UART5)) && (SET == UARTx_ISR_RXBF_Chk(UART5)))
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{
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DMA_ISR_DMACHFT_Clr(DMA_CH5);
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DMA_CHxCR_ChxEN_Setable(DMA_CH5, DISABLE); // ͨµÀʧÄÜ
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DMA_CHxMAR_Write(DMA_CH5, (u32)(UTR_rec_buff));
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DMA_CHxCR_ChxEN_Setable(DMA_CH5, ENABLE); // ͨµÀʹÄÜ
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}
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}
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void DMA_IRQHandler(void)
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{
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if ((ENABLE == DMA_CHxCR_CHxFTIE_Getable(DMA_CH3)) && (SET == DMA_ISR_DMACHFT_Chk(DMA_CH3)))
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{
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// ÖжÏת·¢½ÓÊÕµ½µÄÊý¾Ý
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DMA_ISR_DMACHFT_Clr(DMA_CH3);
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}
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}
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///*--------------------------------DMA½ÓÊÕÅжϺ¯Êý--------------------------------------------------*/
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/*Ô¶´«DMA½ÓÊպ˲é*/
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ErrorStatus_STM32 Gprs_Uart1_Rx_DMA_CH3_Check(void)
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{
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uint16_t timeout_cnt = 0;
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uint16_t dma_recv_cnt;
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uint32_t dma_mar_reg_read;
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dma_mar_reg_read = DMA_CHxMAR_Read(DMA_CH3);
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if (dma_mar_reg_read != (uint32)LinkDlg.UartBuff)
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{
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delay_ms(2);
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while (dma_mar_reg_read != DMA_CHxMAR_Read(DMA_CH3))
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{
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dma_mar_reg_read = DMA_CHxMAR_Read(DMA_CH3);
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delay_ms(2);
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if (timeout_cnt++ > 100)
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break;
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}
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}
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else
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return ERROR_1;
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dma_recv_cnt = dma_mar_reg_read - (uint32)LinkDlg.UartBuff;
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if (dma_recv_cnt)
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{
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LinkDlg.DataLen = dma_recv_cnt;
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// ½ÓÊÕRAMµØÖ·ÖØÔØ
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DMA_ISR_DMACHFT_Clr(DMA_CH3);
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DMA_CHxCR_ChxEN_Setable(DMA_CH3, DISABLE); // ͨµÀʧÄÜ
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DMA_CHxMAR_Write(DMA_CH3, (uint32)LinkDlg.UartBuff);
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DMA_CHxCR_ChxEN_Setable(DMA_CH3, ENABLE); // ͨµÀʹÄÜ
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LinkDlg.Gprs_Finish_Flag = SET; // ½ÓÊÕÍê³É
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return SUCCESS_0;
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// DMA_GCR_DMAEN_Setable(DISABLE);//DMA×ÜʹÄÜ
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}
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return ERROR_1;
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}
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