PCB0030_Bridge.h

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#pragma once
/*
Copyright 2025 Broadwell Consulting Inc.
 
"Serial Wombat" is a registered trademark of Broadwell Consulting Inc. in
the United States.  See SerialWombat.com for usage guidance.
 
Permission is hereby granted, free of charge, to any person obtaining a
  copy of this software and associated documentation files (the "Software"),
  to deal in the Software without restriction, including without limitation
  the rights to use, copy, modify, merge, publish, distribute, sublicense,
  and/or sell copies of the Software, and to permit persons to whom the
  Software is furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  OTHER DEALINGS IN THE SOFTWARE.
*/
#include "SerialWombat.h"

 
class PCB0030_Bridge : public SerialWombatChip
{
public:
    PCB0030_Bridge() : SerialWombatChip(), hBridge45(*this), hBridge67(*this), powerVoltage(*this)
    {}
    
    SerialWombatHBridge hBridge45, hBridge67;
    SerialWombatAnalogInput_18AB powerVoltage;
 
    
 

    int16_t begin(uint8_t i2cAddress,bool pin3IsVoltage = false, uint16_t pwmFrequency = 1000)
    {
        SerialWombatChip::begin(Wire, i2cAddress, true);
        
        hBridge45.begin(4, 5, pwmFrequency,HBRIDGE_OFF_BOTH_HIGH); // Short Brake mode
        hBridge67.begin(6, 7, pwmFrequency,HBRIDGE_OFF_BOTH_HIGH); // Short Brake mode
        if (pin3IsVoltage)
        {
            powerVoltage.begin(3);
            pin3VoltageEnable = true;
        }
        return (0);
    }
 

    uint16_t readPowerVoltage_mv()
    {
        if (pin3VoltageEnable)
        {
            uint32_t v = powerVoltage.readAveraged_mV();
            v *= (8200 + 2000);  // Board has an 8200 / 2000 ohm voltage divider
            v /= 2000;
            return ((uint16_t)v);
        }
        return (0);
            
    }
 
private:
    bool pin3VoltageEnable = false;
};