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201708能代のメインマイコンの保存データ送信用プログラム(データ送信部分を繰り返しタイマー割り込みにした)
Dependencies: MPU6050 MS5607 mbed
Fork of data_sousin by
Diff: main.cpp
- Revision:
- 3:660279be8484
- Parent:
- 2:1dbaef45ae46
- Child:
- 4:918ea47cc35c
--- a/main.cpp Tue Jul 18 14:22:08 2017 +0000 +++ b/main.cpp Tue Aug 15 11:51:32 2017 +0000 @@ -1,50 +1,66 @@ + +/* データ取得&送信するプログラム * + * 各データの終わりの印として'$'を送信 * + * なぜか割り込みタイマの周期が一定にならない */ + #include "mbed.h" -#include "string.h" -#include "SDFileSystem.h" +#include "MPU6050.h" -#define BUFFNUM 50 -#define CHARNUM 16 +#define ACC 16384 +#define BUFFNUM 30 /*受信側のBUFFNUMと同値*/ +#define CHARANUM 30 +#define RATE 30.0 /*RATE[Hz]でデータ取得*/ -SDFileSystem sd(dp2, dp1, dp6, dp14, "sd"); -Serial mainCP(dp16, dp15); +MPU6050 mpu(p9,p10); +Serial subCP(p28, p27); +Ticker log_timer; +Ticker send_timer; +Timer t; -bool row = false; -int8_t col=0, cnt=0; -char data[2][BUFFNUM][CHARNUM] = {}; -FILE *fp; +float Time[2][BUFFNUM] = {}; +float Data[2][BUFFNUM] = {}; +char Moji[2][BUFFNUM][CHARANUM] = {}; +bool Row = false; +int8_t Col = 0; +int Send_cnt = 0; +int Moji_cnt = 0; void _log(); +void _send(); -int main() { - printf("Hello World!\r\n"); - mkdir("/sd/mydir", 0777); - fp = fopen("/sd/mydir/log.txt", "w"); - if(fp == NULL) error("Could not open file for write\r\n"); - fprintf(fp, "Hello fun SD Card World!\n"); - fclose(fp); - mainCP.attach(&_log, Serial::RxIrq); - while(1); +int main(){ + t.start(); + log_timer.attach(_log,1.0/RATE); + while(1); } -void _log(){//受信割り込み用.\n区切りで保存する. - data[row][col][cnt] = mainCP.getc(); - cnt++; - if(data[row][col][cnt]=='\n'){ - col++; - cnt = 0; - }else if(cnt==CHARNUM){ - memset(&data[row][col][0],'\0',CHARNUM); - cnt = 0; - } +/* データ取得 */ +void _log(){ + //TODO: 高度データの取得 + //TODO: 取得する加速度を合成加速度に変更 + Data[Row][Col] = (float)mpu.getAcceleroRawZ()/ACC; + Time[Row][Col] = t.read(); + Col++; + if(Col == BUFFNUM){ + Col = 0; + Row = !Row; + send_timer.attach(_send,(BUFFNUM/(CHARANUM*RATE*RATE))*0.8); + } +} - if(col==BUFFNUM){ - col = 0; - row = !row; - fp = fopen("/sd/mydir/log.txt", "a"); - for (int i = 0; i < BUFFNUM; i++){ - fprintf(fp,&data[!row][i][0]); +void _send(){ + if(Moji_cnt==0){ + sprintf(&Moji[Row][Send_cnt][0],"%f, %f",Time[!Row][Send_cnt],Data[!Row][Send_cnt]); } - fclose(fp); - memset(&data[row][0][0],'\0',BUFFNUM*CHARNUM); - } + subCP.putc(Moji[Row][Send_cnt][Moji_cnt]); + Moji_cnt++; + if(Moji_cnt==CHARANUM || Moji[Row][Send_cnt][Moji_cnt]=='\0'){ + Moji_cnt = 0; + subCP.putc('$'); + Send_cnt++; + if(Send_cnt==BUFFNUM){ + Send_cnt = 0; + send_timer.detach(); + } + } } \ No newline at end of file