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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 938b4cfbd6
commit ad97260055
1 changed files with 18 additions and 4 deletions
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22
IO_EXIOExpander.h
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@ -114,8 +114,13 @@ private:
_digitalOutBuffer[0] = EXIODPUP; _digitalOutBuffer[0] = EXIODPUP;
_digitalOutBuffer[1] = pin; _digitalOutBuffer[1] = pin;
_digitalOutBuffer[2] = pullup; _digitalOutBuffer[2] = pullup;
I2CManager.write(_i2cAddress, _digitalOutBuffer, 3); I2CManager.read(_i2cAddress, _command1Buffer, 1, _digitalOutBuffer, 3);
return true; if (_command1Buffer[0] == EXIORDY) {
return true;
} else {
DIAG(F("Vpin %d cannot be used as a digital input pin"), (int)vpin);
return false;
}
} else { } else {
return false; return false;
} }
@ -126,7 +131,13 @@ private:
int pin = vpin - _firstVpin; int pin = vpin - _firstVpin;
_command2Buffer[0] = EXIOENAN; _command2Buffer[0] = EXIOENAN;
_command2Buffer[1] = pin; _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; return true;
} }
@ -165,7 +176,10 @@ private:
_digitalOutBuffer[0] = EXIOWRD; _digitalOutBuffer[0] = EXIOWRD;
_digitalOutBuffer[1] = pin; _digitalOutBuffer[1] = pin;
_digitalOutBuffer[2] = value; _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 { void _writeAnalogue(VPIN vpin, int value, uint8_t param1, uint16_t param2) override {