STME32ADS1243程序自带SPI口或者模拟SPI口

STME32ADS1243程序自带SPI口或者模拟SPI口#include"stm32f10x.h"#include"stdio.h"#include"usart_printf.h"//#include"TouchScreen.h"#include"filter.h"//#include"sort.h"#include"ADS1243.h"#include#include#include#include"misc.h"#include"systick.h"#include"stm32f10x_gpio.h"#include"stm32f10x_tim.h"#include"stm32f10x_bkp.h"#include"stm32f10x_adc.h"#include"stm32f10x_exti.h"#include"stm32f10x_rcc.h"#include"stm32f10x_pwr.h"#include"stm32f10x_spi.h"#include"usart_printf.h"#include"main.h"#include"gui_struct.h"#include"key_board.h"#include"touch_pad.h"#include"kb_tp_msg.h"#include"lcd.h"#include"backlight.h"#include"test_adc.h"#include"adc_sample.h"//#defineADS1243_SPI_ANALOG//#defineTP_CLK_HGPIO_SetBits(GPIOB,GPIO_Pin_13)////#defineTP_CLK_LGPIO_ResetBits(GPIOB,GPIO_Pin_13)//#defineTP_OUT_HGPIO_SetBits(GPIOB,GPIO_Pin_15)//#defineTP_OUT_LGPIO_ResetBits(GPIOB,GPIO_Pin_15)//#defineTP_INGPIO_ReadInputDataBit(GPIOB,GPIO_Pin_14)/*$PAGE*//*************************************************************************************************************Description:*SDIN=PB15*SDOUT=PB14*SCLK=PB13*DRDY=PB12*CS_ADC=PD11*Arguments:**Returns:************************************************************************************************************/voidADS1243_GPIO_Init(void){GPIO_InitTypeDefGPIO_InitStructure;SPI_InitTypeDefSPI_InitStructure;/*GPIOPeriphclockenable*/RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG,ENABLE);/*SPI2Periphclockenable*///RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2,ENABLE);///*ConfigureSPI2pins:SCK,MISOandMOSI*///GPIO_InitStructure.GPIO_Pin=GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;//GPIO_InitStructure.GPIO_Speed=GPIO_Speed_10MHz;//GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;/*复用推挽输出*///GPIO_Init(GPIOB,&GPIO_InitStructure);/*******模拟SPI******************//*设置SPI2引脚:MISO*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_14;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;GPIO_Init(GPIOB,&GPIO_InitStructure);/*设置SPI2引脚:SCK,MOSI*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_13|GPIO_Pin_15;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;GPIO_Init(GPIOB,&GPIO_InitStructure);/***********************************************//*ConfigurePB12pin:DRDYpin*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_11;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;/*浮空输入*/GPIO_Init(GPIOD,&GPIO_InitStructure);/*ConfigurePD11pin:CS_ADCpin*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_12;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*推挽输出*/GPIO_Init(GPIOD,&GPIO_InitStructure);GPIO_SetBits(GPIOD,GPIO_Pin_11);/*将CS_ADC置为高,不选中ADC*//*****************************************************************************//*ConfigurePD11pin:CS_ADCpin*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_15;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*推挽输出*/GPIO_Init(GPIOG,&GPIO_InitStructure);GPIO_ResetBits(GPIOG,GPIO_Pin_6);GPIO_ResetBits(GPIOG,GPIO_Pin_7);GPIO_ResetBits(GPIOG,GPIO_Pin_15);//SELE1/*ConfigureSELE2.3pin:CS_ADCpin*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_8|GPIO_Pin_9;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*推挽输出*/GPIO_Init(GPIOB,&GPIO_InitStructure);GPIO_SetBits(GPIOB,GPIO_Pin_8);GPIO_SetBits(GPIOB,GPIO_Pin_9);/*ConfigureSELE4-8pin:CS_ADCpin*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*推挽输出*/GPIO_Init(GPIOE,&GPIO_InitStructure);GPIO_SetBits(GPIOE,GPIO_Pin_2);GPIO_SetBits(GPIOE,GPIO_Pin_3);GPIO_SetBits(GPIOE,GPIO_Pin_4);GPIO_SetBits(GPIOE,GPIO_Pin_5);GPIO_SetBits(GPIOE,GPIO_Pin_6);/*ConfigureSELE9pin:CS_ADCpin*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_1;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*推挽输出*/GPIO_Init(GPIOF,&GPIO_InitStructure);GPIO_ResetBits(GPIOF,GPIO_Pin_1);/**********************************************************************************////*SPI2Config*///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_InitStructure.SPI_CPHA=SPI_CPHA_2Edge;//SPI_InitStructure.SPI_NSS=SPI_NSS_Soft;//SPI_InitStructure.SPI_BaudRatePrescaler=SPI_BaudRatePrescaler_256;//SPI_InitStructure.SPI_FirstBit=SPI_FirstBit_MSB;//SPI_InitStructure.SPI_CRCPolynomial=7;//SPI_Init(SPI2,&SPI_InitStructure);/////*SPI2enable*///SPI_Cmd(SPI2,ENABLE);#ifdefADS1243_SPI_ANALOGRCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD,ENABLE);GPIO_InitStructure.GPIO_Pin=GPIO_Pin_13|GPIO_Pin_14;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*复用推挽输出*/GPIO_Init(GPIOB,&GPIO_InitStructure);GPIO_InitStructure.GPIO_Pin=GPIO_Pin_12|GPIO_Pin_15;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;/*浮空输入*/GPIO_Init(GPIOD,&GPIO_InitStructure);GPIO_InitStructure.GPIO_Pin=GPIO_Pin_11;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;/*推挽输出*/GPIO_Init(GPIOD,&GPIO_InitStructure);GPIO_SetBits(GPIOD,GPIO_Pin_11);/*将CS_ADC置为高,不选中ADC*/#endif}voidSPI_DIN(u8assert){if(assert){GPIO_ResetBits(GPIOB,GPIO_Pin_15);/*选中ADS1243*/}else{GPIO_SetBits(GPIOB,GPIO_Pin_15);}}voidSPI_SCK(u32assert){if(assert){GPIO_ResetBits(GPIOB,GPIO_Pin_13);/*选中ADS1243*/}else{GPIO_SetBits(GPIOB,GPIO_Pin_13);}}voidSPI_CS(u32assert){if(assert){GPIO_ResetBits(GPIOD,GPIO_Pin_11);/*选中ADS1243*/}else{GPIO_SetBits(GPIOD,GPIO_Pin_11);}}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_Init(void){u8num;ADS1243_GPIO_Init();/*选中ADS1243*/GPIO_ResetBits(GPIOD,GPIO_Pin_11);/*ADC自动校准*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE)==RESET);/*SendbytethroughtheSPI2peripheral*/SPI_I2S_SendData(SPI2,ADS1243_CMD_SELFCAL);while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE)==RESET);num=SPI_I2S_ReceiveData(SPI2);for(num=0;num<5;num++){while(!(GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=1,转换一次读一次*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/}/*不选中ADS1243*/GPIO_SetBits(GPIOD,GPIO_Pin_11);DelayMS(1);}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_AssertCS(u32assert){if(assert){GPIO_ResetBits(GPIOD,GPIO_Pin_11);/*选中ADS1243*/}else{GPIO_SetBits(GPIOD,GPIO_Pin_11);}}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/u32ADS1243_WaitDataReady(u32time_out){if(time_out>0){while(!(GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12))&&(time_out-->0));/*waitfor/DRDY=1*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12))&&(time_out-->0));/*waitfor/DRDY=0*/if(!time_out)returnADS1240_TIMEOUT_WARNING;}else{while(!(GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=1*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/}#ifdefADS1243_SPI_ANALOG#endifreturnADS1240_NO_ERROR;}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_SendByte(u32byte_num){while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE)==RESET);SPI_I2S_SendData(SPI2,byte_num);while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE)==RESET);SPI_I2S_ReceiveData(SPI2);#ifdefADS1243_SPI_ANALOG//发送一个字节数据，连续写数据时用。u8i=8;while(i--){SPI_SCK(0);SpiDelay(10);SPI_DIN(byte_num&0x80);SpiDelay(10);SPI_SCK(1);byte_num<<=1;}SPI_DIN(1);#endif}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/u32ADS1243_ReceiveByte(void){u32rdata=0;/*使用STM32的SPI口*///while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE)==RESET);rdata=SPI_I2S_ReceiveData(SPI2);/*使用模拟的SIP口*/#ifdefADS1243_SPI_ANALOGu8r=24;ADS1243_AssertCS(ADS1243_ENABLE);SpiDelay(10);ADS1243_WaitDataReady(0);while(r--){SPI_SCK(0);SpiDelay(10);SPI_SCK(1);SpiDelay(10);if(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_14)){rdata++;}rdata<<=1;}ADS1243_AssertCS(ADS1243_DISABLE);SpiDelay(10);#endif/*返回读得的值*/returnrdata;}staticu8SPI_ReadWriteByte(u8data){/*LoopwhileDRregisterinnotemplty*/while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE)==RESET);/*SendbytethroughtheSPI2peripheral*/SPI_I2S_SendData(SPI2,data);while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE)==RESET);returnSPI_I2S_ReceiveData(SPI2);}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/u32ADS1243_ReadData(u32Wait_data_ready){u32data=0;u8temp[3]={0,0,0},temp1[3]={0x30,0x01,0x03};u8mux_mode=0xb0;//ADS1243_WriteRegister(ADS1243_MUX_REGISTER,2,&temp1[0]);GPIO_ResetBits(GPIOD,GPIO_Pin_11);/*选中ADS1243*///while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*///ADS1243_SendResetCommand();//GPIO_ResetBits(GPIOD,GPIO_Pin_11);/*选中ADS1243*///while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*///if(Wait_data_ready)//ADS1243_WaitDataReady(0);#if0/*直接读取转换结果*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));SPI_ReadWriteByte(ADS1243_CMD_RDATAC);data=SPI_ReadWriteByte(0);data=(data<<8)|SPI_ReadWriteByte(0);data=(data<<8)|SPI_ReadWriteByte(0);#else/*通过读取寄存器的值得到转换结果*/ADS1243_ReadRegister(ADS1243_DOR2_REGISTER,3,&temp[0]);//ADS1243_ReadRegister(ADS1243_MUX_REGISTER,2,&temp1[0]);data=temp[0];//printf("%x,%x,%x\r\n",temp[0],temp[1],temp[2]);//printf("%x,%x,%x\r\n",temp1[0],temp1[1],temp1[2]);data=(data<<8)|temp[1];data=(data<<8)|temp[2];#endif//SPI_ReadWriteByte(ADS1243_CMD_STOPC);//ADS1243_SendResetCommand();ADS1243_AssertCS(ADS1243_DISABLE);//DelayMS(5);return(data);}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_ReadRegister(u32start_address,u32num_regs,u8*pData){inti=0;//u8data=0;ADS1243_AssertCS(ADS1243_ENABLE);/*assertCStostarttransfer*/while(!(GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=1*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/SPI_ReadWriteByte(ADS1243_CMD_RREG|(start_address&0x0f));/*sendthecommandbyte*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/SPI_ReadWriteByte(num_regs-1);/*sendthecommandargument*/for(i=300;i>0;i--);/*延时必须要*///SpiDelay(cnt++);for(i=0;i<="">/*LoopwhileDRregisterinnotemplty*/while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_TXE)==RESET);/*SendbytethroughtheSPI2peripheral*/SPI_I2S_SendData(SPI2,0x05);/*Waittoreceiveabyte*/while(SPI_I2S_GetFlagStatus(SPI2,SPI_I2S_FLAG_RXNE)==RESET);/*achievethebytereadfromtheSPIbus*/*pData++=SPI_I2S_ReceiveData(SPI2);/*gettheregistercontent*/}ADS1243_AssertCS(ADS1243_DISABLE);/*de-assertCS*/}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_WriteRegister(u32start_address,u32num_regs,u8*pData){inti;ADS1243_AssertCS(ADS1243_ENABLE);/*assertCStostarttransfer*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/SPI_ReadWriteByte(ADS1243_CMD_WREG|(start_address&0x0f));/*sendthecommandbyte*/while((GPIO_ReadInputDataBit(GPIOD,GPIO_Pin_12)));/*waitfor/DRDY=0*/SPI_ReadWriteByte(num_regs-1);/*sendthecommandargument*/for(i=0;i<="">SPI_ReadWriteByte(*(pData++));/*sendthedatabytes*/}ADS1243_AssertCS(ADS1243_DISABLE);/*de-assertCS*/}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_SendResetCommand(void){ADS1243_AssertCS(ADS1243_ENABLE);/*assertCStostarttransfe*/ADS1243_SendByte(ADS1243_CMD_RESET);/*sendthecommandbyte*/ADS1243_AssertCS(ADS1243_DISABLE);/*de-assertCS*/}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_SetChannel(u8mux_code){u8temp=0x01;ADS1243_SendResetCommand();//SpiDelay(1000);ADS1243_ReadRegister(ADS1243_MUX_REGISTER,1,&temp);}/*$PAGE*//*************************************************************************************************************Description:**Arguments:**Returns:************************************************************************************************************/voidADS1243_SetGain(u8gain_code){u8temp=0;/*thegaincodeisonlypartoftheregister,sowehavetoreaditbackandmassagethenewgaincodeintoit*//*clearprevgai