Category: Hardware
Product Number: MAX30102
I'm using the maxim firmware available to estimate the spo2 and hr from MAX30102. From what I have analyzed, they're reading sample by sample from the sensor. I would like to understand how would I first read the 32 samples from its fifo and then save them in my buffer.
I have this now, but how can I update the read and write pointers, in order to do not mix sample data etc.
for (i = 0; i < samples_to_read; i++) {
// Read LED1 data
un_temp = Wire.read();
un_temp <<= 16;
*pun_red_led += un_temp;
un_temp = Wire.read();
un_temp <<= 8;
*pun_red_led += un_temp;
un_temp = Wire.read();
*pun_red_led += un_temp;
// Read LED2 data
un_temp = Wire.read();
un_temp <<= 16;
*pun_ir_led += un_temp;
un_temp = Wire.read();
un_temp <<= 8;
*pun_ir_led += un_temp;
un_temp = Wire.read();
*pun_ir_led += un_temp;
}