Hello,
I am trying to setup INT2 pin on LIS3DH. I can successfully setup INT1 without any issues and confirm an interrupt has fired with INT1_SRC (0x31).
I am trying to setup INT2 pin the same and confirm when it fires by reading INT2_SRC (0x35) but cannot see the interrupt fire.
In my code I use a 2D array to manage the registers and their settings.
configBuf[i][] refers to the target register and configBug[][j] refers to the value I will be writing.
I have left in comments to show what else I have tried. So far no combination of this results in being able to trigger any value other than zero in INT2_SRC (0x35).
configBuf[0][0] = 0x20; //CTRL_REG1
//configBuf[0][1] = 0x37; //25Hz, Enable-all-axis
configBuf[0][1] = 0x67; //200Hz, Enable-all-axis
configBuf[1][0] = 0x21; //CTRL_REG2
//configBuf[1][1] = 0x00; //No High Pass Filtering //TODO: Test 0x02
configBuf[1][1] = 0x0B; //INT High Pass Filtering //TODO: high Pass Filter enabled for interrupts, pass filtered data selection
configBuf[2][0] = 0x22; //CTRL_REG3
configBuf[2][1] = 0x2C; //Enable Interrupts on INT1
//configBuf[2][1] = 0x00; //DisableInterrupts on INT1
configBuf[3][0] = 0x23; //CTRL_REG4
configBuf[3][1] = 0x00; //+-2g resolution
configBuf[4][0] = 0x24; //CTRL_REG5
configBuf[4][1] = 0x0F; //Enable Latching for INT1 and INT2
configBuf[5][0] = 0x25; //CTRL_REG6
configBuf[5][1] = 0x00; //Enable Interrupt Function 1 and 2 and ACT on INT2
//configBuf[5][1] = 0x40; //Enable Interrupt Function 1 on INT2
//configBuf[5][1] = 0x20; //Enable Interrupt Function 2 on INT2
//configBuf[5][1] = 0x60; //Enable Interrupt Function 1 and 2 on INT2
//configBuf[5][1] = 0x1A; //Enable Interrupt Function 1 and 2 and ACT on INT2
configBuf[6][0] = 0x30; //INT1_CFG
configBuf[6][1] = 0x7F; //Enable every interrupt on INT1
//configBuf[6][1] = 0x00; //Disable every interrupt on INT1
configBuf[7][0] = 0x32; //INT1_THS
configBuf[7][1] = 0x10; //Threshold (THS) = 16LSBs * 15.625mg/LSB = 250mg.
configBuf[8][0] = 0x33; //INT1_DUR
configBuf[8][1] = 0x00; //Duration = 1LSBs * (1/10Hz) = 0.1s.
configBuf[9][0] = 0x34; //INT2_CFG
//configBuf[9][1] = 0x7F; //Enable every possiible interrupt on INT2 / OR Configuration
configBuf[9][1] = 0x00; //Disable INT2
configBuf[10][0] = 0x35; //INT2_THS
configBuf[10][1] = 0x10; //Threshold (THS) = 16LSBs * 15.625mg/LSB = 250mg.
configBuf[11][0] = 0x36; //INT2_DUR
configBuf[11][1] = 0x00; //Duration = 1LSBs * (1/10Hz) = 0.1s.
