daiki hiraoka
/
EMG
筋電センサプログラム
筋電
main.cpp
- Committer:
- dhpt
- Date:
- 2017-02-05
- Revision:
- 3:5d91bfe4a79d
- Parent:
- 2:9a7f77850970
- Child:
- 4:a15ebde0a175
File content as of revision 3:5d91bfe4a79d:
/*** Include ***/ #include "mbed.h" #include "rtos.h" #include "FilterTest.h" #include "typedef.h" /*** Define ***/ #define ON (1) #define OFF (0) #define SAMPLING_RATE (0.01) /* A/D sampling rate (1kHz) */ #define MAINCYCLE 20 /* [ms] */ #define INT16_MAX (32767) #define INT16_MIN (-32768) #define DEBUG union u64_dataType_g { double DData; char CData[8]; }; /*** Global Variable ***/ DigitalOut myled1(LED1); /* 起動確認用 */ DigitalOut myled2(LED2); /* 割り込み確認用 */ DigitalOut myled3(LED3); /* 休止状態確認用 */ AnalogOut aout(p18); /* デバッグ用 */ Ticker sampling; /* Interval timer for A/D sampling */ AnalogIn wave_in(p20); /* Waveform input */ Serial pc(USBTX, USBRX); /* tx, rx */ Timer timer; FilterTest filter; UINT32 g_sendFlg; FLT32 g_wave; UINT32 g_adCnt; /* 変数定義 */ uint32_t Fdiv; double InputData = 0; /*** Functions ***/ /* 通信関数宣言 */ void Communicaion(double data,int byte); void CommInit(); double InputAnalgData(); /* A/D変換割り込み宣言 */ void ad_sampling(); INT32 main() { INT32 i = 0; DBL64 st = 0; DBL64 et = 0; myled1 = 1; /* 通信初期化 */ CommInit(); /* 初期化 */ /* A/D変換対タイマ割り込み開始 */ myled2 = 1; /* Start interval timer */ sampling.attach(&ad_sampling, SAMPLING_RATE); myled2 = 0; while(1) { /* timer read */ st = timer.read_ms(); myled3 = 0; /* メイン処理 */ myled1 = !myled1; i++; /* データ送信判定 */ if(g_sendFlg == 1) { /* データ送信 */ i++; #ifdef DEBUG /*pc.printf("cnt: %d, ad cnt: %d, wave: %f", i, g_adCnt, InputData);*/ aout= (float)InputData; #endif Communicaion(InputData,1); /* フラグリセット */ g_sendFlg = 0; } /* timer read */ et = timer.read_ms(); /* 制御周期まで待機 */ Thread::wait((uint32_t)(MAINCYCLE - (et - st))); } } /* A/D変換割り込み */ void ad_sampling(){ static INT32 i = 0; INT32 hpf_on, lpf_on, brf_on; /* 割り込み中点灯 */ myled2 = 1; g_adCnt++; InputData = InputAnalgData(); /*[V] */ /* filter */ hpf_on = 1; lpf_on = 1; brf_on = 0; InputData = (int32_t)filter.calc( (double)(wave_in.read_u16() - INT16_MAX), hpf_on, lpf_on, brf_on ); #ifdef DEBUG_ i++; /*pc.printf("attach: %d,%d\r\n", i, InputData);*/ g_wave = i / 100 * 3.3; g_wave = g_adCnt * 3.3; if(i > 100) i = 0; #endif /* wait(0.01); */ /* A/D変換完了後送信 */ g_sendFlg = 1; myled2 = 0; } void CommInit() /* 通信初期化 */ { Fdiv = SystemCoreClock / (4 * 16 * 9600); // 9600bps } void Communicaion(double data,int byte) { int i; u64_dataType_g sendData; sendData.DData = data; LPC_PINCON->PINSEL0 &= ~(3 << 4); LPC_PINCON->PINSEL0 |= (1 << 4); // TXD0 (01) LPC_SC->PCLKSEL0 &= ~(3 << 6); // PCLK_UART0 ck/4 (00) LPC_SC->PCONP |= (1 << 3); // PCUART0 LPC_UART0->LCR |= (1 << 7); // enable access DLAB LPC_UART0->DLL = Fdiv & 0xff; LPC_UART0->DLM = (Fdiv >> 8) & 0xff; LPC_UART0->LCR &= ~(1 << 7); // disable access DLAB LPC_UART0->LCR |= (3 << 0); // 8bit LPC_UART0->FCR = (7 << 0); // RX1char(00), FIFO reset LPC_UART0->IER = (1 << 0); // RBR for(i=0;i<8;i++) { LPC_UART0->THR =sendData.CData[i]; } NVIC_EnableIRQ(UART0_IRQn); } double InputAnalgData() /* A/D 読み取り */ { double Result = 0; Result = (double)wave_in.read()*3.3; return Result; }