si4432_config.zip_si4432_si4432 keil_si4432参数配置_si4432配置参数

#define SPI_GLOBALS /******************************************************************************* * File Name : main.c * Author : Wuhan R&D Center, Embest * Date First Issued : 08/08/2008 * Description : Main program body ********************************************************************************/ /* Includes ------------------------------------------------------------------*/ #include "spi.h" /* Local includes ------------------------------------------------------------*/ /* Private typedef -----------------------------------------------------------*/ typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ SPI_InitTypeDef SPI_InitStructure; /******************************************************************************* * Function Name : main * Description : Main program * Input : None * Output : None * Return : None *******************************************************************************/ void Spi1_init(void) { GPIO_InitTypeDef GPIO_InitStructure; // NVIC_InitTypeDef NVIC_InitStructure; //使能GPIO时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD | RCC_APB2Periph_SPI1 | RCC_APB2Periph_AFIO ,ENABLE); /* Enable the USART3 Interrupt */ /* NVIC_InitStructure.NVIC_IRQChannel = SPI1_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); */ /* Configure SPI1 pins: SCK, MISO and MOSI ---------------------------------*/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* 从单片机请求数据输入线配置*/ /* GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10;//从单片机1和2数据上传请求 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(GPIOD, &GPIO_InitStructure); */ //GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;//语音单片机数据上传请求 //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;//GPIO_Mode_IPU上拉输入 GPIO_Mode_IPD = 0x28//下拉输入 GPIO_Mode_IN_FLOATING = 0x04, //悬空输入 //GPIO_Init(GPIOA, &GPIO_InitStructure); /* GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;//语音单片机数据上传请求 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;//GPIO_Mode_IPU上拉输入 GPIO_Mode_IPD = 0x28//下拉输入 GPIO_Mode_IN_FLOATING = 0x04, //悬空输入 GPIO_Init(GPIOC, &GPIO_InitStructure); */ /* 1st phase: SPI1 Master and SPI2 Slave */ /* SPI1 Config -------------------------------------------------------------*/ SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; SPI_InitStructure.SPI_Mode = SPI_Mode_Master; SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;//SPI_CPOL_High; SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;//SPI_CPHA_2Edge; /**************/*/*/*/*/*/*/*/*/*/*/*//*/*/*/*/*/*/*/ SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; // SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32; //72M/32=2.25M SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32; //25M/4=6.25M SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; SPI_InitStructure.SPI_CRCPolynomial = 7; SPI_Init(SPI1, &SPI_InitStructure); /* Enable SPI1 */ SPI_Cmd(SPI1, ENABLE); /* Enable SPI_MASTER RXNE interrupt */ // SPI_I2S_ITConfig(SPI1, SPI_I2S_IT_RXNE, ENABLE); //使用定时2通道1中断发送SPI数据，不使用SPI发送空中断，每20us发送一字节数据，折合波特率为50K /* Enable SPI_MASTER TXE interrupt */ //SPI_I2S_ITConfig(SPI1, SPI_I2S_IT_TXE, ENABLE); } /******************************************************************************* * Function Name : Buffercmp * Description : Uartpares two buffers. * Input : - pBuffer1, pBuffer2: buffers to be Uartpared. * : - BufferLength: buffer's length * Output : None * Return : PASSED: pBuffer1 identical to pBuffer2 * FAILED: pBuffer1 differs from pBuffer2 *******************************************************************************/ /* BitAction Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength) { while(BufferLength--) { if(*pBuffer1 != *pBuffer2) { return Bit_RESET; } pBuffer1++; pBuffer2++; } return Bit_SET; } */ //配送电话01058697789 //开始读从SPI数据 /* void StartSpiToSpi(void) { //建立SPI数据包头 SpiToSpiSending=1; //开始SPI到SPI发送数据 SpiToSpiSendLength=3; //发送数据长度 SpiSending_1ms=0; //SPI发送数据时间计数器 CCR1_Val = SPI_Send_Space_20us; //定时器2通道1每20uS中断1次（发送SPI数据1字节） } //开始转发串口数据 void StartUartToSpi(void) { UartToSpiSendStartFlag=0; SpiSending_1ms=0; CCR1_Val = SPI_Send_Space_20us; //定时器2通道1每20uS中断1次（发送SPI数据1字节） UartToSpiSending=1; //串口向SPI正在发送数据 } */ //选择SPI第1从单片机(串口6和串口7) /* void SlectSlave1(void) { RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); // Enable the FSMC Clock,Write/read to/from FSMC SRAM memory //停止选择其他SPI LATCH1_Set(LATCH1_SS2 | LATCH1_SS3 | LATCH1_MISO_SEL2 | LATCH1_MISO_SEL3); //选中本SPI LATCH1_Clr(LATCH1_SS1 | LATCH1_MISO_SEL1); //选择SS1和MISO_SEL1 SPI_SlectNumber=1; //SPI选中编号1，2，3 } //选择SPI第2从单片机(串口8和串口9) void SlectSlave2(void) { RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); // Enable the FSMC Clock,Write/read to/from FSMC SRAM memory //停止选择其他SPI LATCH1_Set(LATCH1_SS1 | LATCH1_SS3 | LATCH1_MISO_SEL1 | LATCH1_MISO_SEL3); //选中本SPI LATCH1_Clr(LATCH1_SS2 | LATCH1_MISO_SEL2); //选择SS2和MISO_SEL2 SPI_SlectNumber=2; //SPI选中编号1，2，3 } //选择SPI第3从单片机（与语音单片机通讯，对应串口0)） void SlectSlave3(void) { RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); // Enable the FSMC Clock,Write/read to/from FSMC SRAM memory //停止选择其他SPI LATCH1_Set(LATCH1_SS1 | LATCH1_SS2 | LATCH1_MISO_SEL1 | LATCH1_MISO_SEL2); //选中本SPI LATCH1_Clr(LATCH1_SS3 | LATCH1_MISO_SEL3); //选择SS3和MISO_SEL3 SPI_SlectNumber=3; //SPI选中编号1，2，3 } */ //spi系统控制 #if 0 void spi_ctrl(void) { u8 RecCounter; // u8 temp; // struct_Uart_BUF *P_Uart; //SPI相关时间计数器处理 if (SPI_1ms!=0){ SPI_1ms--; UartRecSpace_1ms++; //串口接收数据间隔计数器 SpiSending_1ms++; } if (UartLoopTestFlag==1){ //超级终端已处理回环 if (Uart6.RecSpiReadPoint!=Uart6.RecBufWritePoint){ Uart6.SendBuf[Uart6.SendBufWritePoint++]=Uart6.RecBuf[Uart6.RecSpiReadPoint++]; } if (Uart7.RecSpiReadPoint!=Uart7.RecBufWritePoint){ Uart7.SendBuf[Uart7.SendBufWritePoint++]=Uart7.RecBuf[Uart7.RecSpiReadPoint++]; } if (Uart8.RecSpiReadPoint!=Uart8.RecBufWritePoint){ Uart8.SendBuf[Uart8.SendBufWritePoint++]=Uart8.RecBuf[Uart8.RecSpiReadPoint++]; } if (Uart9.RecSpiReadPoint!=Uart9.RecBufWritePoint){ Uart9.SendBuf[Uart9.SendBufWritePoint++]=Uart9.RecBuf[Uart9.RecSpiReadPoint++]; } } */ //如果SPI没有发送数据，检查是否有新的数据在发送 if((UartToSpiSending==0)&&(SpiToSpiSending==0)){ //串口6向SPI转发数据分析,如果现在没有转发数据，检查是否达到转发条件 if (Uart6.SendBufReadPoint!=Uart6.SendBufWritePoint) { RecCounter=Uart6.SendBufWritePoint-Uart6.SendBufReadPoint; //如果接收数据大于4或接收间隔大于1毫秒 设置从SPI有数据要发送 if ((RecCounter>=8) || ((RecCounter!=0)&&(UartRecSpace_1ms>2))) { UartToSpiDataLength=RecCounter; P_UartToSpi=&