MH
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 |
diff -r 0356e9454a60 -r 8fc65c8fa0e8 main.cpp
--- 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