AS7262 communication with PIC using I2C

Sensors Environmental
1

Hi all,

I got a question with this spectral engine and found this forum as apt to introduce it.

I hooked this sensor with my PIC16F using I2C communication. I am able to blink the inbuilt LED on the development board. But while reading the raw colour output values I am getting is 0X00 which means the sensor is not reading.

These are the lines from the AS7262 datasheet.

If BANK is set to Mode 0 or Mode 1 then the data is ready after
the 1st integration time. If BANK is set to Mode 2 or Mode 3 then
the data is ready after two integration times. If the interrupt is
enabled (INT = 1) then when the data is ready, the INT line is
pulled low and DATA_RDY is set to 1. The INT line is released
(returns high) when the control register is read. DATA_RDY is
cleared to 0 when any of the sensor registers V, B, G, Y, O & R are
read.

This is my code snippet.

//**-----------------------------------------------------------------------------------------------------------------------**//

//Write for Control Register

AS7262_write_status_check();

AS7262_write_control_reg(0x84);

AS7262_write_status_check();

AS7262_write_control_reg_data(0X7C);

while(RC5==1);

RB1=1;

////**-----------------------------------------------------------------------------------------------------------------------**//

//Read for Control Register

AS7262_read_status_check();

garbage=AS7262_read_control_reg_data();

AS7262_write_status_check();

AS7262_write_control_reg(0x04); // donot know 0x04 or 0x84 works for 0x04

AS7262_read_status_check();

control_Reg=AS7262_read_control_reg_data();

uart_Tx_dat(control_Reg);

while(RC5==0);

RB1=0;

//**-----------------------------------------------------------------------------------------------------------------------**//

// Read for Red High Raw Data

AS7262_write_status_check();

AS7262_write_raw_red_high(0X12);

AS7262_read_status_check();

RedH=AS7262_read_raw_red_high();

uart_Tx_dat(RedH);

if(control_Reg | 0b00000010 == 0)

RB1=0;

AS7262_write_status_check();

AS7262_write_raw_red_high(0X12);

AS7262_read_status_check();

RedH=AS7262_read_raw_red_high();

uart_Tx_dat(RedH);

I found that the second while loop condition is not being satisfied. Can anyone sort out this trouble? Any help will be appreciated :slight_smile: :slight_smile: