Function pamoja_ina219_address 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_ina219_address(
    a1: u8,
    a0: u8,
    out_address: *mut u8,
) -> PamojaStatus

Returns the I2C address an INA219’s A1 and A0 pin codes select, from Table 1 of its datasheet: 0 for GND, 1 for VS+, 2 for SDA, 3 for SCL.

Arguments

• a1 - what the A1 pin is tied to.
• a0 - what the A0 pin is tied to.
• out_address - receives the 7-bit address, 0x40..=0x4F.

Returns

PamojaStatus::Ok, or PamojaStatus::InvalidArgument for a null pointer or a code above 3.

Safety

out_address must point to a writable uint8_t, or be null.