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Channel_ID
Dependencies: MAX30003 max32630fthr DS1307
Revision 16:8fc65c8fa0e8, committed 2021-05-18
- Comitter:
- kidecha_rahul
- Date:
- Tue May 18 23:43:34 2021 +0000
- Parent:
- 15:0356e9454a60
- Commit message:
- Channel_ID
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu Mar 11 21:22:19 2021 +0000 +++ b/main.cpp Tue May 18 23:43:34 2021 +0000 @@ -19,11 +19,13 @@ 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, 230400); // 230400 works well +BufferedSerial pc(P0_1,P0_0); + +//atic BufferedSerial pc(TARGET_TX_PIN, TARGET_RX_PIN, 230400); // 230400 works well //Serial uart_1(USBTX, USBRX); // Use USB debug probe for serial link static Unbuffered // -//Serial pc(P3_1,P3_0); +//rial pc(P0_1,P0_0); volatile bool ecgFIFOIntFlag = 0; volatile bool timerflag = 0; @@ -57,8 +59,10 @@ const int FIFO_VALID_SAMPLE_MASK = 0x0; const int FIFO_FAST_SAMPLE_MASK = 0x1; const int ETAG_BITS_MASK = 0x7; + timer_fast.start(); DigitalOut rLed(LED2, LED_ON); + // pc.baud(9600); //pc.set_baud(115200); // Baud rate = 115200 @@ -83,13 +87,20 @@ uint32_t ecgFIFO, readECGSamples, idx, ETAG[32], status; int16_t ecgSample[32]; +//-----------------------------------------------------------------------------------------------// + //bool timerflag = false; int16_t ecgSample_1sec[200]; - uint8_t ecg_1 = 0; - uint8_t ecg_2 = 0; + //uint8_t ecg_1 = 0; + // uint8_t ecg_2 = 0; uint16_t onesec_counter = 0; uint16_t onesec_counter_temp = 0; + uint8_t channel_ID[3]= {1,2,3}; + uint8_t ecg_1 = 0; + uint8_t ecg_2 = 0; + uint8_t ecg_3 = 0; + int16_t sample = 300; uint8_t final[10]; @@ -115,21 +126,24 @@ int sampleps = 0; char buf[20]; + + + // pc.write("Welcome",8*sizeof(char)); // printf("In the main loop"); //printf("In the main loop"); bool flag_first = false; - bool timestamp_reader = false; + bool timestamp_reader = false; do { - if (pc.readable()) + if (pc.readable()) // For nordic - Readiing time { scanf("%s",buf); //printf("The entered string is %s : \n ",buf); - packet_1 = atoi(buf); - set_time(packet_1); + packet_1 = atoi(buf); // converting ascii to integer + set_time(packet_1); // check unit in packet_1 ?? - if ((packet_1 % 60) == 0) + if ((packet_1 % 60) == 0) // tim stamp at the beginning of time { /* for (int u = 0;u<3;u++) { @@ -153,50 +167,71 @@ } }while (timestamp_reader==false); // take the third timestamp - while(1) + + + + while(1) { - - if ((onesec_counter>=125)) + if ((onesec_counter>=125)) //125 sample rate { //t.start(); //ledA = !ledA; - - pc.write((uint8_t *)header_device_id, sizeof(header_device_id)); + //pc.write((uint8_t *)header_device_id, sizeof(header_device_id)); // sensor ID - pc.write((uint8_t *)header_packet_type, sizeof(header_packet_type)); - time_t seconds = time(NULL); + // pc.write((uint8_t *)header_packet_type, sizeof(header_packet_type)); // packet type + + time_t seconds = time(NULL); // setting zero packet_1 = seconds; //packet_1 ++; // printf("Time as seconds since January 1, 1970 = %d\n", packet_1); - p_1 = packet_1 & 0xff; + p_1 = packet_1 & 0xff; p_2 = (packet_1 >> 8) & 0xff; p_3 = (packet_1 >> 16) & 0xff; p_4 = (packet_1 >> 24) & 0xff; // checksum_ = checksum_ + (packet_1 & 0xffff) + ((packet_1 >> 16) & 0xffff) ; checksum_ = checksum_ + p_1 + p_2 + p_3 + p_4 ; uint8_t header_packet_id[4] = {p_4,p_3,p_2,p_1}; - pc.write((uint8_t *)header_packet_id, sizeof(header_packet_id)); + //pc.write((uint8_t *)header_packet_id, sizeof(header_packet_id)); //packet ID + + + uint8_t Channel_Num = 0; + if(ecg_1 == 1) + Channel_Num = channel_ID[0]; + else if (ecg_2 == 1) + Channel_Num = channel_ID[1]; + else if (ecg_3 == 1) + Channel_Num = channel_ID[2]; + else + Channel_Num = 0; + //pc.write((uint8_t *)Channel_Num, sizeof(Channel_Num)); + printf("%6d\r\n", Channel_Num); //Channel no + onesec_counter_temp = onesec_counter * 2; data_len_1 = onesec_counter_temp & 0xff; data_len_2 = (onesec_counter_temp >> 8) & 0xff; - checksum_ = checksum_ + data_len_1 + data_len_2; + checksum_ = checksum_ + data_len_1 + data_len_2; //pc.write((uint32_t *)packet_1, sizeof(packet_1)); uint8_t header_ecg_datalen[2] = {data_len_2,data_len_1}; - pc.write((uint8_t *)header_ecg_datalen, sizeof(header_ecg_datalen)); + // pc.write((uint8_t *)header_ecg_datalen, sizeof(header_ecg_datalen)); // Data length + + mod_checksum = checksum_ % 65536 ; cksm_1 = mod_checksum & 0xff; cksm_2 = (mod_checksum >> 8) & 0xff; uint8_t header_ecg_checksum[2] = {cksm_2,cksm_1}; - pc.write((uint8_t *)header_ecg_checksum, sizeof(header_ecg_checksum)); + //pc.write((uint8_t *)header_ecg_checksum, sizeof(header_ecg_checksum)); // checksum - pc.write((int16_t *)ecgSample_1sec,onesec_counter * sizeof(int16_t)); - // printf("Samples per second %d \n", (onesec_counter)); + // pc.write((int16_t *)ecgSample_1sec,onesec_counter * sizeof(int16_t)); // ECG Data + printf("Samples per second %d \n", (onesec_counter)); + + onesec_counter = 0; // memset(ecgSample_1sec, 0, sizeof(ecgSample_1sec)); - pc.write((uint8_t *)ending, sizeof(ending)); + // pc.write((uint8_t *)ending, sizeof(ending)); // Ending of data + checksum_ = 0; //t.stop(); // auto us = t.elapsed_time().count(); @@ -205,10 +240,12 @@ // t.reset(); // timer_fast.reset(); } - // Read back ECG samples from the FIFO - else if( (ecgFIFOIntFlag==1))// && (timerflag == 0)) + + + // Read back ECG samples from the FIFO + else if((ecgFIFOIntFlag==1))// && (timerflag == 0)) { - + ecg_1 = 1; ecgFIFOIntFlag = 0; status = ecgAFE.readRegister( MAX30003::STATUS ); // Read the STATUS register