David Jung
Mode1 Optical Validation
Diff: main.cpp
- Revision:
- 4:4f1e9439f048
- Parent:
- 3:da975696b936
- Child:
- 5:7f5a012747a5
--- a/main.cpp Fri Mar 19 00:14:42 2021 +0000
+++ b/main.cpp Wed Mar 24 01:32:34 2021 +0000
@@ -34,8 +34,19 @@
#include "mbed.h"
#include "platform/mbed_thread.h"
#include "mbed.h"
-
-#define MAXM86146_CFG 1
+/******************************************************************************
+* Warning, if using the either
+* MAX32630FTHR+MAXM86161_ADPTER_REVB+MAXM86146EVSYS sensor brd or
+* MAX32630FTHR+MAXM86161_ADPTER_REVB+MAXM86161EVSYS sensor brd,
+* The VLED is connected to USB power which is noisy. The VLED should be
+* connected to a regulated power supply if you are testing accuracy.
+*******************************************************************************
+*/
+/******************************************************************************
+* Tera Term output is set to 115200 baud rate.
+*******************************************************************************
+*/
+//#define MAXM86146_CFG 1
#ifdef MAXM86146_CFG
#define PPG_SZ 36 //maxm86146
#else
@@ -79,7 +90,8 @@
char rsp[3000];
int32_t ppg[12];
int32_t accel[3];
- int32_t status, opmode, hr, hr_conf, ibi, ibi_conf, act, r, spo2, spo2_conf, scd;
+ int32_t status, opmode, hr, hr_conf, ibi, ibi_conf, act, r, spo2, spo2_conf;
+ int32_t spo2_compl, spo2_lo, spo2_mo, spo2_lopi, spo2_unrel, spo2_state, ibi_offset, scd;
int32_t scnt = 0;
int32_t ptr = 0;
int32_t sptr = 0;
@@ -87,16 +99,14 @@
Time_to_Read_PPG = 0;
#if 0
// 2.1
- cmd[0] = 0x00;
- cmd[1] = 0x00;
+ cmd[0] = 0x00; cmd[1] = 0x00;
i2c.write(addr, cmd, 2);
wait_us(100);
i2c.read(addr, rsp, 2);
// pc.printf("2.1 Status: %x %x\n\r", rsp[0], rsp[1]);
#endif
// 2.2
- cmd[0] = 0x12;
- cmd[1] = 0x00;
+ cmd[0] = 0x12; cmd[1] = 0x00;
i2c.write(addr, cmd, 2);
wait_us(100);
i2c.read(addr, rsp, 2);
@@ -106,8 +116,7 @@
// pc.printf("num smpls %d \n\r", samples);
scnt = rsp[1];
// 2.3
- cmd[0] = 0x12;
- cmd[1] = 0x01;
+ cmd[0] = 0x12; cmd[1] = 0x01;
i2c.write(addr, cmd, 2);
wait_us(100);
// thread_sleep_for(1);
@@ -124,7 +133,10 @@
ppg[1] = (rsp[ptr+3] << 16) | (rsp[ptr+4] << 8) | (rsp[ptr+5]);
ppg[2] = (rsp[ptr+6] << 16) | (rsp[ptr+7] << 8) | (rsp[ptr+8]);
ppg[3] = (rsp[ptr+9] << 16) | (rsp[ptr+10] << 8) | (rsp[ptr+11]);
+ ppg[4] = (rsp[ptr+12] << 16) | (rsp[ptr+13] << 8) | (rsp[ptr+14]);
+ ppg[5] = (rsp[ptr+15] << 16) | (rsp[ptr+16] << 8) | (rsp[ptr+17]);
pc.printf("%d,%d,%d,%d,", ppg[0], ppg[1], ppg[2], ppg[3]);
+// pc.printf("%d,%d,", ppg[4], ppg[5]);
ptr = sptr + SENSOR_SZ;
#endif
// pc.printf("ptr %d ttlsiz %d ", ptr, TTL_SZ);
@@ -132,16 +144,39 @@
hr = (rsp[ptr+1] << 8) + rsp[ptr+2];
hr_conf = rsp[ptr+3];
ibi = rsp[ptr+4];
+
ibi_conf = (rsp[ptr+5] << 8) + rsp[ptr+6];
act = rsp[ptr+7];
r = (rsp[ptr+8] << 8) + rsp[ptr+9];
spo2_conf = rsp[ptr+10];
+
spo2 = (rsp[ptr+11] << 8) + rsp[ptr+12];
+ spo2_compl = rsp[ptr+13];
+ spo2_lo = rsp[ptr+14];
+ spo2_mo = rsp[ptr+15];
+
+ spo2_lopi = rsp[ptr+16];
+ spo2_unrel = rsp[ptr+17];
+ spo2_state = rsp[ptr+18];
scd = rsp[ptr+19];
- sptr += (TTL_SZ);
+ ibi_offset = rsp[ptr+20];
- pc.printf("%d,%d,%d,%d,%d", hr, hr_conf, spo2, spo2_conf, scd);
+ sptr += (TTL_SZ);
+#if 0
+ pc.printf("%d,%d,%d,%d,", opmode, hr, hr_conf, ibi);
+ pc.printf("%d,%d,%d,%d,", ibi_conf, act, r, spo2_conf);
+ pc.printf("%d,%d,%d,%d,", spo2, spo2_compl, spo2_lo, spo2_mo);
+ pc.printf("%d,%d,%d,%d,", spo2_lopi,spo2_unrel, spo2_state, scd);
+ pc.printf("%d,", ibi_offset);
+#else
+ pc.printf("%d,%d,", hr, hr_conf);
+ pc.printf("%d,%d,", spo2, spo2_conf);
+ pc.printf("%d,", spo2_lo);
+ pc.printf("%d,%d,", spo2_unrel, scd);
+#endif
+
+
pc.printf("\n\r");
}
mfio = 1;
@@ -154,9 +189,7 @@
char rsp[256];
int32_t ppg[12];
- rLED = LED_OFF;
- gLED = LED_ON;
- bLED = LED_OFF;
+ rLED = LED_OFF; gLED = LED_ON; bLED = LED_OFF;
Ticker ticker; // calls a callback repeatedly with a timeout
//ticker.attach(callback(&blink_timer), BLINKING_RATE_MS); /* set timer for one second */
@@ -168,16 +201,16 @@
thread_sleep_for(1500);
mfio = 0; wait_us(300);
- cmd[0] = 0x02;
- cmd[1] = 0x00;
+
+//read operating mode
+ cmd[0] = 0x02; cmd[1] = 0x00;
i2c.write(addr, cmd, 2);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 2);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("02 00 Status, Operating Mode: %x %x\n\r", rsp[0], rsp[1]);
-// rd ver
- cmd[0] = 0xFF;
- cmd[1] = 0x03;
+//1.11 rd ver
+ cmd[0] = 0xFF; cmd[1] = 0x03;
i2c.write(addr, cmd, 2);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
wait_us(300);
@@ -186,12 +219,13 @@
pc.printf("Ver: %d %d %d %d\n\r", rsp[0], rsp[1], rsp[2], rsp[3]);
// 1.3 sensor and algo data
- cmd[0] = 0x10;
- cmd[1] = 0x00;
+ cmd[0] = 0x10; cmd[1] = 0x00;
#ifdef ALGO_ONLY
cmd[2] = 0x02; // algo data
+ pc.printf("algo only \n\r");
#else
cmd[2] = 0x03; // sensor + algo data
+ pc.printf("sens+algo \n\r");
#endif
i2c.write(addr, cmd, 3);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
@@ -199,100 +233,72 @@
mfio = 1; mfio = 0; wait_us(300);
pc.printf("1.3 Status: %x\n\r", rsp[0]);
// 1.7 cont hr, spo2
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x0A;
- cmd[3] = 0x00;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x0A; cmd[3] = 0x00;
i2c.write(addr, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("1.7 Status: %x\n\r", rsp[0]);
-//1.11 rd AFE part id
- cmd[0] = 0x41;
- cmd[1] = 0x00;
- cmd[2] = 0xFF;
- i2c.write(addr, cmd, 3);
+// 1.8 AEC enable (default)
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x0B; cmd[3] = 0x01;
+ i2c.write(addr, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 2);
+ i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
- pc.printf("1.11 part id afe %x %x\n\r", rsp[0], rsp[1]);
-//1.13 rd accel who
- cmd[0] = 0x41;
- cmd[1] = 0x04;
- cmd[2] = 0x0F;
- i2c.write(addr, cmd, 3);
+ pc.printf("1.8 Status: %x\n\r", rsp[0]);
+// 1.9 auto PD (default
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x12; cmd[3] = 0x01;
+ i2c.write(addr, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 2);
+ i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
- pc.printf("1.12 who accel %x %x\n\r", rsp[0], rsp[1]);
+ pc.printf("1.9 Status: %x\n\r", rsp[0]);
+// 1.10 SCD (default)
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x0C; cmd[3] = 0x01;
+ i2c.write(addr, cmd, 4);
+ mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
+ i2c.read(addr, rsp, 1);
+ mfio = 1; mfio = 0; wait_us(300);
+ pc.printf("1.7 Status: %x\n\r", rsp[0]);
#ifdef MAXM86146_CFG
-#if 1
//1.20 Sec 4.1 map leds to slots for MAXM86146
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x19;
- cmd[3] = 0x13;
- cmd[4] = 0x56;
- cmd[5] = 0x00;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x19; cmd[3] = 0x13; cmd[4] = 0x56; cmd[5] = 0x00;
i2c.write(addr, cmd, 6);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map leds to slots%x\n\r", rsp[0]);
//1.21 map HR inputs to slots
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x17;
- cmd[3] = 0x00;
- cmd[4] = 0x11;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x17; cmd[3] = 0x00; cmd[4] = 0x11;
i2c.write(addr, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map HR to slots/PDs %x\n\r", rsp[0]);
//1.22 map SpO2 inputs to slots
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x18;
- cmd[3] = 0x30;
- cmd[4] = 0x20;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x18; cmd[3] = 0x30; cmd[4] = 0x20;
i2c.write(addr, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map SpO2 to slots/PDs %x\n\r", rsp[0]);
-#endif
#if 0
//1.20 Sec 4.1 map leds to slots for MAXM86146
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x19;
- cmd[3] = 0x15;
- cmd[4] = 0x60;
- cmd[5] = 0x00;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x19; cmd[3] = 0x15; cmd[4] = 0x60; cmd[5] = 0x00;
i2c.write(addr, cmd, 6);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map leds to slots%x\n\r", rsp[0]);
//1.21 map HR inputs to slots
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x17;
- cmd[3] = 0x00;
- cmd[4] = 0x01;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x17; cmd[3] = 0x00; cmd[4] = 0x01;
i2c.write(addr, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map HR to slots/PDs %x\n\r", rsp[0]);
//1.22 map SpO2 inputs to slots
- cmd[0] = 0x50;
- cmd[1] = 0x07;
- cmd[2] = 0x18;
- cmd[3] = 0x20;
- cmd[4] = 0x10;
+ cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x18; cmd[3] = 0x20; cmd[4] = 0x10;
i2c.write(addr, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
i2c.read(addr, rsp, 1);
@@ -301,21 +307,36 @@
#endif
#endif // MAXM86146_CFG
-// 1.3
- cmd[0] = 0x52;
- cmd[1] = 0x07;
- cmd[2] = 0x01;
+// 1.3 Enable HR, SpO2 algo
+ cmd[0] = 0x52; cmd[1] = 0x07; cmd[2] = 0x01;
i2c.write(addr, cmd, 3);
thread_sleep_for(465);
i2c.read(addr, rsp, 1);
pc.printf("1.14 status: %x\n\r", rsp[0]);
mfio = 1;
+#if 1
+//1.31 rd AFE part id
+ cmd[0] = 0x41; cmd[1] = 0x00; cmd[2] = 0xFF;
+ i2c.write(addr, cmd, 3);
+ mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
+ i2c.read(addr, rsp, 2);
+ mfio = 1; mfio = 0; wait_us(300);
+ pc.printf("1.31 part id afe %x %x\n\r", rsp[0], rsp[1]);
+//1.32 rd accel who
+ cmd[0] = 0x41; cmd[1] = 0x04; cmd[2] = 0x0F;
+ i2c.write(addr, cmd, 3);
+ mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
+ i2c.read(addr, rsp, 2);
+ mfio = 1; mfio = 0; wait_us(300);
+ pc.printf("1.32 who accel %x %x\n\r", rsp[0], rsp[1]);
+#endif
+
ticker.attach(callback(&fifo_timer), 0.040f);
// Timer tmr1;
while (1) {
+ read_ppg();
if (Time_to_Read_PPG) {
- read_ppg();
}
}
}
\ No newline at end of file