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Add extra error checking

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This commit is contained in:
peteGSX 2023-02-07 07:32:16 +10:00
parent 754639c7e3
commit c870940dde
1 changed files with 18 additions and 4 deletions
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22
IO_EXIOExpander.h
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@ -116,8 +116,13 @@ private:
_digitalOutBuffer[0] = EXIODPUP;
_digitalOutBuffer[1] = pin;
_digitalOutBuffer[2] = pullup;
I2CManager.write(_i2cAddress, _digitalOutBuffer, 3);
return true;
I2CManager.read(_i2cAddress, _command1Buffer, 1, _digitalOutBuffer, 3);
if (_command1Buffer[0] == EXIORDY) {
return true;
} else {
DIAG(F("Vpin %d cannot be used as a digital input pin"), (int)vpin);
return false;
}
} else {
return false;
}
@ -128,7 +133,13 @@ private:
int pin = vpin - _firstVpin;
_command2Buffer[0] = EXIOENAN;
_command2Buffer[1] = pin;
I2CManager.write(_i2cAddress, _command2Buffer, 2);
I2CManager.read(_i2cAddress, _command1Buffer, 1, _command2Buffer, 2);
if (_command1Buffer[0] == EXIORDY) {
return true;
} else {
DIAG(F("Vpin %d cannot be used as an analogue input pin"), (int)vpin);
return false;
}
return true;
}
@ -167,7 +178,10 @@ private:
_digitalOutBuffer[0] = EXIOWRD;
_digitalOutBuffer[1] = pin;
_digitalOutBuffer[2] = value;
I2CManager.write(_i2cAddress, _digitalOutBuffer, 3);
I2CManager.read(_i2cAddress, _command1Buffer, 1, _digitalOutBuffer, 3);
if (_command1Buffer[0] != EXIORDY) {
DIAG(F("Vpin %d cannot be used as a digital output pin"), (int)vpin);
}
}
void _writeAnalogue(VPIN vpin, int value, uint8_t param1, uint16_t param2) override {