David Jung
Mode1 Optical Validation
Diff: main.cpp
- Revision:
- 6:e1b7190d6cb5
- Parent:
- 5:7f5a012747a5
- Child:
- 7:23b067817ab8
--- a/main.cpp Thu Mar 25 04:08:19 2021 +0000
+++ b/main.cpp Fri Mar 26 00:41:20 2021 +0000
@@ -44,14 +44,22 @@
*/
/******************************************************************************
* Tera Term output is set to 115200 baud rate.
-* ver: 210324
+* ver: 210325
******************************************************************************/
-//#define MAXM86146_CFG 1 // tested on MAXM86146+MAX32630FTHR
-//#define HSP2 // MAXREFDES103 not debugged yet
-#ifdef HSP2
+/*****************************************************************************/
+// define one and only one of the following three platforms
+//#define MAXM86146_CFG 1 // tested on MAXM86146EVSYS_sensorBrd+MAXM86161_ADAPTER_REVB+MAX32630FTHR
+#define MAXREFDES103_CFG // tested on MAXREFDES103
+//#define MAX86161_CFG 1
+/*****************************************************************************/
+
+#define ALGO_ONLY 1 // define this if you only want the algo data, comment out if you want raw sensor+algo data
+
+
+#ifdef MAXREFDES103_CFG
#include "MAX20303.h"
-I2C i2c_pmic(P5_7, P6_0);
+I2C sh_i2c_pmic(P5_7, P6_0);
#endif
#ifdef MAXM86146_CFG
@@ -63,7 +71,6 @@
#define SENSOR_SZ (PPG_SZ+ACCEL_SZ)
//#define ALGO_SZ 20 // 24 bytes is the algo normal size for 3x.12.0
#define ALGO_SZ 24 // 24 bytes is the algo normal size for 3x.13.x
-//#define ALGO_ONLY 1
#ifdef ALGO_ONLY
#define TTL_SZ (ALGO_SZ)
#else
@@ -81,10 +88,12 @@
#define MFIO_PIN P5_4
DigitalOut rst(RST_PIN, PullUp);
DigitalOut mfio(MFIO_PIN, PullUp);
-I2C i2c(P3_4, P3_5);
+I2C sh_i2c(P3_4, P3_5);
+
+//#define thread_sleep_for(x) wait_ms(x) // for older versions of mbed
-const int addr = 0xAA;//0x55;
+const int SH_ADDR = 0xAA;//0x55;
int32_t Time_to_Read_PPG = 0;
#define BLINKING_RATE_MS 1000ms
@@ -111,16 +120,16 @@
#if 0
// 2.1
cmd[0] = 0x00; cmd[1] = 0x00;
- i2c.write(addr, cmd, 2);
+ sh_i2c.write(SH_ADDR, cmd, 2);
wait_us(100);
- i2c.read(addr, rsp, 2);
+ sh_i2c.read(SH_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;
- i2c.write(addr, cmd, 2);
+ sh_i2c.write(SH_ADDR, cmd, 2);
wait_us(100);
- i2c.read(addr, rsp, 2);
+ sh_i2c.read(SH_ADDR, rsp, 2);
// pc.printf("2.2 Status: %x %x\n\r", rsp[0], rsp[1]);
samples = rsp[1];
// pc.printf("num samples %d, (num*ttl)+1 %d\n\r", rsp[1], TTL_SZ*samples+1);
@@ -128,10 +137,10 @@
scnt = rsp[1];
// 2.3
cmd[0] = 0x12; cmd[1] = 0x01;
- i2c.write(addr, cmd, 2);
+ sh_i2c.write(SH_ADDR, cmd, 2);
wait_us(100);
// thread_sleep_for(1);
- i2c.read(addr, rsp, 1+(TTL_SZ*samples));
+ sh_i2c.read(SH_ADDR, rsp, 1+(TTL_SZ*samples));
status = rsp[0];
sptr = 1;
@@ -198,13 +207,13 @@
mfio = 1;
}
-#ifdef HSP2
-void init_pmic(void) {
+#ifdef MAXREFDES103_CFG
+void init_max20303_pmic(void) {
/* Wait for pmic to settle down */
thread_sleep_for(800);
//set_time(1544787300); // Set RTC time to Wed, 28 Oct 2009 11:35:37
- MAX20303 max20303(&i2c);
+ MAX20303 max20303(&sh_i2c);
/*Set LDO1 to 1.8v*/
max20303.LDO1Config();
@@ -214,25 +223,22 @@
//max20303.BoostEnable();
max20303.BuckBoostEnable();
-
max20303.led0on(0);
max20303.led1on(0);
max20303.led2on(0);
/* Wait for pmic to settle down */
thread_sleep_for(200);
-
+
}
-#endif // HSP2
+#endif // MAXREFDES103_CFG
int main()
{
- i2c.frequency(400000);
+ sh_i2c.frequency(400000);
char cmd[8], i, j;
char rsp[256];
int32_t ppg[12];
-#ifdef HSP2
- init_pmic();
-#endif
+ int32_t ledcnt = 0;
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 */
@@ -246,19 +252,21 @@
mfio = 0; wait_us(300);
+#ifdef MAXREFDES103_CFG
+ init_max20303_pmic();
+#endif
//read operating mode
cmd[0] = 0x02; cmd[1] = 0x00;
- i2c.write(addr, cmd, 2);
+ sh_i2c.write(SH_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]);
+ sh_i2c.read(SH_ADDR, rsp, 2);
+ mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
+ pc.printf("\n\r 0x02 0x00 Status, Read Operating Mode: %x %x\n\r", rsp[0], rsp[1]);
//1.11 rd ver
cmd[0] = 0xFF; cmd[1] = 0x03;
- i2c.write(addr, cmd, 2);
+ sh_i2c.write(SH_ADDR, cmd, 2);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- wait_us(300);
- i2c.read(addr, rsp, 4);
+ sh_i2c.read(SH_ADDR, rsp, 4);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("Ver: %d %d %d %d\n\r", rsp[0], rsp[1], rsp[2], rsp[3]);
@@ -271,81 +279,81 @@
cmd[2] = 0x03; // sensor + algo data
pc.printf("sens+algo \n\r");
#endif
- i2c.write(addr, cmd, 3);
+ sh_i2c.write(SH_ADDR, cmd, 3);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
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;
- i2c.write(addr, cmd, 4);
+ sh_i2c.write(SH_ADDR, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("1.7 Status: %x\n\r", rsp[0]);
// 1.8 AEC enable (default)
cmd[0] = 0x50; cmd[1] = 0x07; cmd[2] = 0x0B; cmd[3] = 0x01;
- i2c.write(addr, cmd, 4);
+ sh_i2c.write(SH_ADDR, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
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);
+ sh_i2c.write(SH_ADDR, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
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);
+ sh_i2c.write(SH_ADDR, cmd, 4);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("1.7 Status: %x\n\r", rsp[0]);
#ifdef MAXM86146_CFG
//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;
- i2c.write(addr, cmd, 6);
+ sh_i2c.write(SH_ADDR, cmd, 6);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_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;
- i2c.write(addr, cmd, 5);
+ sh_i2c.write(SH_ADDR, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_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;
- i2c.write(addr, cmd, 5);
+ sh_i2c.write(SH_ADDR, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map SpO2 to slots/PDs %x\n\r", rsp[0]);
#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;
- i2c.write(addr, cmd, 6);
+ sh_i2c.write(SH_ADDR, cmd, 6);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_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;
- i2c.write(addr, cmd, 5);
+ sh_i2c.write(SH_ADDR, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_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;
- i2c.write(addr, cmd, 5);
+ sh_i2c.write(SH_ADDR, cmd, 5);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_ADDR, rsp, 1);
mfio = 1; mfio = 0; wait_us(300);
pc.printf("map SpO2 to slots/PDs %x\n\r", rsp[0]);
#endif
@@ -353,34 +361,47 @@
// 1.3 Enable HR, SpO2 algo
cmd[0] = 0x52; cmd[1] = 0x07; cmd[2] = 0x01;
- i2c.write(addr, cmd, 3);
+ sh_i2c.write(SH_ADDR, cmd, 3);
thread_sleep_for(465);
- i2c.read(addr, rsp, 1);
+ sh_i2c.read(SH_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);
+ sh_i2c.write(SH_ADDR, cmd, 3);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 2);
+ sh_i2c.read(SH_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);
+ sh_i2c.write(SH_ADDR, cmd, 3);
mfio = 1; thread_sleep_for(2); mfio = 0; wait_us(300);
- i2c.read(addr, rsp, 2);
+ sh_i2c.read(SH_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;
+#if defined(MAXREFDES103_CFG) || defined(MAXM86161_CFG)
+ Timer tmr1;
while (1) {
+ tmr1.start();
+ if (tmr1.read_ms() > 40) {
read_ppg();
- if (Time_to_Read_PPG) {
+ if (ledcnt++ % 50)
+ gLED = !gLED;
}
}
+#else
+ ticker.attach(callback(&fifo_timer), 0.040f);
+ while (1) {
+ if (Time_to_Read_PPG) {
+ read_ppg();
+ if (ledcnt++ % 50)
+ gLED = !gLED;
+ }
+ }
+#endif
}
\ No newline at end of file