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Dependencies: MAX30003 max32630fthr DS1307
Diff: main.cpp
- Revision:
- 12:10b49ad3c492
- Parent:
- 11:300afaf2696b
- Child:
- 13:0e7bbc06083f
--- a/main.cpp Fri Sep 25 16:42:40 2020 +0000 +++ b/main.cpp Tue Sep 29 19:00:06 2020 +0000 @@ -18,7 +18,7 @@ DigitalOut ledA(LED2); void ecg_config(MAX30003 &ecgAFE); //BufferedSerial pc(P3_1,P3_0); // Use USB debug probe for serial link static Unbuffered -static BufferedSerial pc(TARGET_TX_PIN, TARGET_RX_PIN, 115200); +static BufferedSerial pc(TARGET_TX_PIN, TARGET_RX_PIN, 9600); //Serial uart_1(USBTX, USBRX); // Use USB debug probe for serial link static Unbuffered // @@ -36,6 +36,18 @@ ecgFIFOIntFlag = 1; } +time_t asUnixTime(int year, int mon, int mday, int hour, int min, int sec) { + struct tm t; + t.tm_year = year - 1900; + t.tm_mon = mon - 1; // convert to 0 based month + t.tm_mday = mday; + t.tm_hour = hour; + t.tm_min = min; + t.tm_sec = sec; + t.tm_isdst = -1; // Is Daylight saving time on? 1 = yes, 0 = no, -1 = unknown + + return mktime(&t); // returns seconds elapsed since January 1, 1970 (begin of the Epoch) +} int main(void) { // Constants @@ -64,7 +76,7 @@ MAX30003 ecgAFE(spiBus, P5_3); // New MAX30003 on spiBus, CS = P5_3 ecg_config(ecgAFE); // Config ECG - + ecgAFE.writeRegister( MAX30003::SYNCH , 0); @@ -79,7 +91,7 @@ int16_t sample = 300; uint8_t final[10]; - uint32_t packet_1 = 1600674360; + uint16_t checksum_ = 0; uint16_t mod_checksum = 0; @@ -90,7 +102,7 @@ uint8_t data_len_1 = 0; uint8_t data_len_2 = 0; - + uint32_t packet_1 = 0; uint8_t cksm_1 = 0; uint8_t cksm_2 = 0; uint8_t header_device_id[3] = {0,0,210}; @@ -102,33 +114,40 @@ pc.write("Welcome",8*sizeof(char)); printf("In the main loop"); bool flag_first = false; - + int counter_reader = 0; do { - if (pc.readable()) { + if (pc.readable()) + { scanf("%s",buf); printf("The entered string is %s : \n ",buf); - uint32_t packet_1 = atoi(buf); - flag_first = true; + + packet_1 = atoi(buf); + set_time(packet_1); + + counter_reader++; + //flag_first = true; } - }while (flag_first==false); - + }while (counter_reader<=3); // take the third timestamp while(1) { - if (timer_fast.read() > .9) + if (timer_fast.read() >= 0.95) { //t.start(); //ledA = !ledA; - + pc.write((uint8_t *)header_device_id, sizeof(header_device_id)); pc.write((uint8_t *)header_packet_type, sizeof(header_packet_type)); - packet_1 ++; + time_t seconds = time(NULL); + packet_1 = seconds; + //packet_1 ++; + //printf("Time as seconds since January 1, 1970 = %d\n", packet_1); p_1 = packet_1 & 0xff; p_2 = (packet_1 >> 8) & 0xff; p_3 = (packet_1 >> 16) & 0xff; @@ -231,6 +250,7 @@ CNFG_GEN_r.bits.en_rbias = 1; // Enable resistive bias CNFG_GEN_r.bits.imag = 2; // Current magnitude = 10nA CNFG_GEN_r.bits.en_dcloff = 1; // Enable DC lead-off detection + //CNFG_GEN_r.bits.fmstr = 1; //125 sps FMSTR 1 ecgAFE.writeRegister( MAX30003::CNFG_GEN , CNFG_GEN_r.all);