基于MSP430F2272的tf卡读写系统

#include "msp430x22x4.h" #include "Hardware_board.h" #include "Delay.h" #include "TF.h" #include "Adc10.h" #include "Init.h" #define MAXBLOCKNO 1890000 //可以以10ms的采样周期保存连续7整天(24小时)的数据到SD卡中 #define RING_BUF_LEN 890 #define BLOCK_SZ 512 #define BLOCK_SZ1 506 #define BLOCK_SZ11 6 //SD卡操作变量定义 unsigned char buffer[RING_BUF_LEN],buffer1[6]; unsigned long Block_index;//Start_Block, int iRIndex = 0; int iWIndex = 0; int iBuf2Index = 0; //AD采样变量定义 unsigned char ad_value[6],ad_value1[6],ad_value2[6]; unsigned char ucSleepF;//,f3 =0 //时钟变量定义 unsigned char ucYear,ucMonth,ucDay,ucHour,ucMinute,ucSecond, ucTimeCnt,ucAdjTF; volatile unsigned int uiPwrTimeCnt,uiADtemp;//计时到，没信号，关采集，关写卡，置看门狗处理标志，进入低功耗;采到信号时清零 //串口变量定义 unsigned char ucADStartF,ucUpLoadF,ucJiaoShiF; unsigned int uart_rec_data; void vdRealClk(void); int main(void) { unsigned int buffer_index; unsigned long ulCurrentBlock; WDTCTL = WDTPW + WDTHOLD; // Stop WDT SetSysClock(); Port_Init(); Var_Init(); SPI_Init(); while(TF_Init() != TF_RESPONSE_NO_ERROR) { delay_nus(0xFFFF); } Adc10_Init(); Uart_Init(); TimeA_Init(); WatchDog_Init(); _EINT();//打开全局中断 ////////////////////////////////////////////////////// //一睡眠就置睡眠标志，关SD卡加速度垫子电源,进入睡眠状态 ucSleepF=1; ucADStartF = 0; P2OUT &= ~BIT0; //P2.2 TPS76333电源关闭 P2OUT &= ~BIT2; //P2.0 加速度芯片电源关闭 __bis_SR_register(LPM3_bits + GIE); ///////////////////////////////////////////////////// while(1) { if(ucADStartF) { if(iWIndex - iRIndex >= BLOCK_SZ1) { TF_WriteBlock2(&buffer[iRIndex],BLOCK_SZ1,&buffer1[0], BLOCK_SZ11, Block_index*BLOCK_SZ); iRIndex += BLOCK_SZ1; if(iRIndex >= RING_BUF_LEN)iRIndex -= RING_BUF_LEN; if(Block_index<MAXBLOCKNO)Block_index++; if(ucSleepF) { P1IE |= BIT7; // P1.7 中断使能 P1IES |= BIT7; // P1.7 下降沿触发中断 P1IFG &= ~BIT7; // 清P1.7中断标志 ////////////////////////////////////////////////////// //一睡眠就置睡眠标志，关SD卡加速度垫子电源,进入睡眠状态 ucADStartF=0; P2OUT &= ~BIT0; //P2.0 加速度芯片电源关闭 P2OUT &= ~BIT2; //P2.2 TPS76333电源关闭 __bis_SR_register(LPM3_bits + GIE); ////////////////////////////////////////////////////// } } else if(iWIndex - iRIndex < 0) { if(iWIndex - iRIndex + RING_BUF_LEN >= BLOCK_SZ1) { iBuf2Index = BLOCK_SZ1 - (RING_BUF_LEN - iRIndex) - 1; if(iBuf2Index >= 0)TF_WriteBlock3(&buffer[iRIndex], RING_BUF_LEN - iRIndex, &buffer[0], BLOCK_SZ1 - (RING_BUF_LEN - iRIndex),&buffer1[0], BLOCK_SZ11, Block_index*BLOCK_SZ); else TF_WriteBlock2(&buffer[iRIndex],BLOCK_SZ1,&buffer1[0], BLOCK_SZ11, Block_index*BLOCK_SZ); iRIndex += BLOCK_SZ1; if(iRIndex >= RING_BUF_LEN)iRIndex -= RING_BUF_LEN; if(Block_index<MAXBLOCKNO)Block_index++; } if(ucSleepF) { P1IE |= BIT7; // P1.7 中断使能 P1IES |= BIT7; // P1.7 下降沿触发中断 P1IFG &= ~BIT7; // 清P1.7中断标志 //////////////////////////////////////////////////////// //一睡眠就置睡眠标志，关SD卡加速度垫子电源,进入睡眠状态 ucADStartF=0; P2OUT &= ~BIT0; //P2.0 加速度芯片电源关闭 P2OUT &= ~BIT2; //P2.2 TPS76333电源关闭 __bis_SR_register(LPM3_bits + GIE); /////////////////////////////////////////////////////// } } } if(ucUpLoadF) { _DINT(); //上传之前初始化SD卡 P2OUT &= ~BIT0; //P2.0 加速度芯片电源关闭 P2OUT &= ~BIT2; //P2.2 TPS76333电源关闭 uiPwrTimeCnt=0; iRIndex = 0; iWIndex = 0; ucTimeCnt=0; ucSleepF =0; delay_nus(0x1FF); P2OUT |= BIT2; //P2.2 TPS76333电源使能 SPI_Init(); while(TF_Init() != TF_RESPONSE_NO_ERROR) { delay_nus(0xFFFF); } //////////////////////////////////////////////////////////// buffer[0]=0xaa; buffer[1]=0x55; buffer[2] = (unsigned char)((Block_index & 0xFF000000) >> 24); buffer[3] = (unsigned char)((Block_index & 0x00FF0000) >> 16); buffer[4] = (unsigned char)((Block_index & 0x0000FF00) >> 8); buffer[5] = (unsigned char)(Block_index & 0xFF); buffer[6]=0xaa; buffer[7]=0x55; buffer[8] = buffer[2]; buffer[9] = buffer[3]; buffer[10] = buffer[4]; buffer[11] = buffer[5]; for(buffer_index =0;buffer_index < 512;buffer_index++) { while (!(IFG2 & UCA0TXIFG)); UCA0TXBUF = buffer[buffer_index]; } for(ulCurrentBlock=0;ulCurrentBlock< Block_index;ulCurrentBlock++) { TF_ReadBlock(buffer,ulCurrentBlock*512,512); for(buffer_index =0;buffer_index < 512;buffer_index++) { while (!(IFG2 & UCA0TXIFG)); UCA0TXBUF = buffer[buffer_index]; } } ucUpLoadF=0; P1IE |= BIT7; // P1.7 中断使能 P1IES |= BIT7; // P1.7 下降沿触发中断 P1IFG &= ~BIT7; // 清P1.7中断标志 ucADStartF=0; _EINT(); //////////////////////////////////////////////////////// //一睡眠就置睡眠标志，关SD卡加速度垫子电源,进入睡眠状态 ucSleepF=1; ucADStartF=0; P2OUT &= ~BIT0; //P2.0 加速度芯片电源关闭 P2OUT &= ~BIT2; //P2.2 TPS76333电源关闭 __bis_SR_register(LPM3_bits + GIE); /////////////////////////////////////////////////////// } } } #pragma vector=USCIAB0RX_VECTOR __interrupt void USCI0RX_ISR(void) { uart_rec_data=UCA0RXBUF; if(ucJiaoShiF) { ucAdjTF ++; if(ucAdjTF == 1) { ucYear = UCA0RXBUF; } else if(ucAdjTF == 2) { ucMonth = UCA0RXBUF; } else if(ucAdjTF == 3) { ucDay = UCA0RXBUF; } else if(ucAdjTF == 4) { ucHour = UCA0RXBUF; } else if(ucAdjTF == 5) { ucMinute = UCA0RXBUF; }