Thomas Van Aken
test
Diff: main.cpp
- Revision:
- 4:40d23f4295f9
- Parent:
- 3:0e37515b92f1
--- a/main.cpp Mon Feb 08 20:59:53 2021 +0000
+++ b/main.cpp Wed Feb 10 19:45:43 2021 +0000
@@ -6,6 +6,29 @@
#include "mbed.h"
#include "platform/mbed_thread.h"
+// populate from databuffer queue raw samples data before sending over ble
+// struct RawData samples_raw_data;
+// int sampleIndex = 0;
+// int ptr = 0;
+// while(sampleIndex < mumberOffSamples)
+// status byte is index 0
+// samples_raw_data.green_led_cnt = (databuf[ptr+1] << 16) + (databuf[ptr+2] << 8) + (databuf[ptr+3]);
+// samples_raw_data.ir_led_cnt = (databuf[ptr+4] << 16) + (databuf[ptr+5] << 8) + (databuf[ptr+6]);
+// samples_raw_data.red_led_cnt = (databuf[ptr+7] << 16) + (databuf[ptr+8] << 8) + (databuf[ptr+9]);
+// samples_raw_data.green2_led_cnt = (databuf[ptr+10] << 16) + (databuf[ptr+11] << 8) + (databuf[ptr12]);
+// samples_raw_data.x = (databuf[ptr+19] << 8) + (databuf[ptr+20]);
+// samples_raw_data.y = (databuf[ptr+21] << 8) + (databuf[ptr+22]);
+// samples_raw_data.z = (databuf[ptr+23] << 8) + (databuf[ptr+24]);
+struct RawData
+{
+ uint32_t green_led_cnt;
+ uint32_t ir_led_cnt;
+ uint32_t red_led_cnt;
+ uint32_t green2_led_cnt;
+ int16_t x;
+ int16_t y;
+ int16_t z;
+};
// Blinking rate in milliseconds
#define BLINKING_RATE_MS 500
@@ -39,6 +62,7 @@
//scanI2C();
while (true) {
+ //Read out status (app or boot mode)
cmd[0] = 0x02;
cmd[1] = 0x00;
i2c.write(addr, cmd, 2);
@@ -48,27 +72,19 @@
cmd[1] = 0x00;
i2c.read(addr, cmd, 2);
printf("1: %x %x\n", cmd[0], cmd[1]);
-
-
-
-
-
-
+
+ //Switch to APP mode
cmd[0] = 0x01;
cmd[1] = 0x00;
cmd[2] = 0x00;
i2c.write(addr, cmd, 3);
thread_sleep_for(1500);
-
-
+ //Switch off MFIO
mfio = 0;
- thread_sleep_for(1);
+ thread_sleep_for(1); //Wait 300us
-
-
-
-
+ //Read out status (app or boot mode)
cmd[0] = 0x02;
cmd[1] = 0x00;
i2c.write(addr, cmd, 2);
@@ -78,11 +94,8 @@
cmd[1] = 0x00;
i2c.read(addr, cmd, 2);
printf("2: %x %x\n", cmd[0], cmd[1]);
-
-
-
-
+ //Sensor hub firmware nummer opvragen
cmd[0] = 0xFF;
cmd[1] = 0x03;
i2c.write(addr, cmd, 2);
@@ -94,10 +107,8 @@
cmd[3] = 0x00;
i2c.read(addr, cmd, 4);
printf("3: %d %d %d %d\n", cmd[0], cmd[1], cmd[2], cmd[3]);
-
-
-
-
+
+ //Raw data mode
cmd[0] = 0x10;
cmd[1] = 0x00;
cmd[2] = 0x03;
@@ -106,15 +117,10 @@
thread_sleep_for(2);
cmd[0] = 0x00;
- cmd[1] = 0x00;
- i2c.read(addr, cmd, 2);
- printf("4: %d %d\n", cmd[0] , cmd[1]);
-
+ i2c.read(addr, cmd, 1);
+ printf("4: %x\n", cmd[0]);
-
-
-
-
+ //Interrupt threshold
cmd[0] = 0x10;
cmd[1] = 0x01;
cmd[2] = 0x01;
@@ -123,15 +129,10 @@
thread_sleep_for(2);
cmd[0] = 0x00;
- cmd[1] = 0x00;
- i2c.read(addr, cmd, 2);
- printf("5: %d %d\n", cmd[0], cmd[1]);
-
+ i2c.read(addr, cmd, 1);
+ printf("5: %x\n", cmd[0]);
-
-
-
-
+ //Set sample report period
cmd[0] = 0x10;
cmd[1] = 0x02;
cmd[2] = 0x01;
@@ -140,32 +141,23 @@
thread_sleep_for(2);
cmd[0] = 0x00;
- cmd[1] = 0x00;
- i2c.read(addr, cmd, 2);
- printf("6: %d %d\n", cmd[0], cmd[1]);
-
+ i2c.read(addr, cmd, 1);
+ printf("6: %x\n", cmd[0]);
-
-
-
-
+ //Enable accelerometer
cmd[0] = 0x44;
cmd[1] = 0x04;
cmd[2] = 0x01;
- cmd[3] = 0x01;
+ cmd[3] = 0x00; //0x01
i2c.write(addr, cmd, 4);
thread_sleep_for(20);
cmd[0] = 0x00;
- cmd[1] = 0x00;
- i2c.read(addr, cmd, 2);
- printf("7: %d %d\n", cmd[0], cmd[1]);
+ i2c.read(addr, cmd, 1);
+ printf("7: %x\n", cmd[0]);
-
-
-
-
+ //Read accelerometer WHO_AM_I register
cmd[0] = 0x41;
cmd[1] = 0x04;
cmd[2] = 0x0F;
@@ -176,12 +168,129 @@
cmd[0] = 0x00;
cmd[1] = 0x00;
i2c.read(addr, cmd, 2);
- printf("8: %d %d\n", cmd[0], cmd[1]);
+ printf("8: %x %x\n", cmd[0], cmd[1]);
+
+
+
+ printf("Start\n");
+
+
+
+ //Enable AFE
+ cmd[0] = 0x44;
+ cmd[1] = 0x00;
+ cmd[2] = 0x01;
+ //MAYBE 4
+
+ i2c.write(addr, cmd, 3);
+ thread_sleep_for(250);
+
+ cmd[0] = 0x00;
+ i2c.read(addr, cmd, 1);
+ printf("9: %x\n", cmd[0]);
+
+ //Set 100Hz read samples
+ cmd[0] = 0x40;
+ cmd[1] = 0x00;
+ cmd[2] = 0x12;
+ cmd[3] = 0x18;
+
+ i2c.write(addr, cmd, 4);
+ thread_sleep_for(2);
+
+ cmd[0] = 0x00;
+ i2c.read(addr, cmd, 1);
+ printf("10: %x\n", cmd[0]);
+
+
+
+
+ //get data
+ struct RawData samples_raw_data;
+ int sampleIndex = 0;
+ char rawData[1024];
+ uint8_t amount = 0;
+ memset(rawData,0,sizeof(rawData));
+ for(uint8_t i=0; i<250; i++)
+ {
+ //Get status sensor hub
+ cmd[0] = 0x00;
+ cmd[1] = 0x00;
+ i2c.write(addr, cmd, 2);
+ thread_sleep_for(2);
+
+ cmd[0] = 0x00;
+ cmd[1] = 0x00;
+ i2c.read(addr, cmd, 2);
+ printf("dat1: %x %x\n", cmd[0], cmd[1]);
+
+ //Get number of samples in the fifo
+ cmd[0] = 0x12;
+ cmd[1] = 0x00;
+ i2c.write(addr, cmd, 2);
+ thread_sleep_for(2);
+
+ cmd[0] = 0x00;
+ cmd[1] = 0x00;
+ i2c.read(addr, cmd, 2);
+ amount = cmd[1];
+ printf("dat2: %x %x\n", cmd[0], cmd[1]);
+
+ //Get data from fifo
+ cmd[0] = 0x12;
+ cmd[1] = 0x01;
+ i2c.write(addr, cmd, 2);
+ thread_sleep_for(2);
+
+ i2c.read(addr, rawData, 1+((36+6)*amount));
+
+ printf("Satus: %x\n", rawData[0]);
+ printf("Data: ");
+ for(uint32_t j=1; j<1+((36+6)*amount); j+=42)
+ {
+ //%zu
+ printf("%u, %d, %d, %d\n", (uint32_t)(0x00<<24 | rawData[j+1]<<16 | rawData[j+2]<<8 | rawData[j+3]), (rawData[j+37]<<8 | rawData[j+38]), (rawData[j+39]<<8 | rawData[j+40]), (rawData[j+41]<<8 | rawData[j+42]));
+ }
+
+ //thread_sleep_for(200);
+ thread_sleep_for(1);
+ }
+ //Disable AFE
+ cmd[0] = 0x44;
+ cmd[1] = 0x00;
+ cmd[2] = 0x00;
+ //MAYBE 4
+
+ i2c.write(addr, cmd, 3);
+ thread_sleep_for(250);
+
+ cmd[0] = 0x00;
+ i2c.read(addr, cmd, 1);
+ printf("11: %x\n", cmd[0]);
+
+
+
+ printf("Stop\n");
+
+
+
+ //Disable Accelerometer
+ cmd[0] = 0x44;
+ cmd[1] = 0x04;
+ cmd[2] = 0x00;
+ //MAYBE 4
+
+ i2c.write(addr, cmd, 3);
+ thread_sleep_for(20);
+
+ cmd[0] = 0x00;
+ i2c.read(addr, cmd, 1);
+ printf("12: %x\n", cmd[0]);
/*rst =! rst;
mfio =! mfio;*/