kinetis_common.cpp

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/**
 * @file    kinetis_common.cpp
 * @brief   Low level common Kinetis code
 *
 * @date Mar 28, 2019
 * @author  andreika <prometheus.pcb@gmail.com>
 */
 
#include "pch.h"
 
#if HAL_USE_ADC || defined(__DOXYGEN__)
 
// ADC_CHANNEL_IN0 // PA2   (def=VIGN)
// ADC_CHANNEL_IN1 // PA3   (def=MAP4)
// ADC_CHANNEL_IN2 // x
// ADC_CHANNEL_IN3 // PD3   (def=MAP3)
// ADC_CHANNEL_IN4 // x
// ADC_CHANNEL_IN5 // x
// ADC_CHANNEL_IN6 // x
// ADC_CHANNEL_IN7 // PB12  (def=MAP2)
// ADC_CHANNEL_IN8 // PB13  (def=MAP1)
// ADC_CHANNEL_IN9 // x
// ADC_CHANNEL_IN10 // PE2  (def=O2S2)
// ADC_CHANNEL_IN11 // x
// ADC_CHANNEL_IN12 // PC14 (def=O2S)
// ADC_CHANNEL_IN13 // PC15 (def=TPS)
// ADC_CHANNEL_IN14 // PC16 (def=CLT)
// ADC_CHANNEL_IN15 // PC17 (def=IAT)
 
brain_pin_e getAdcChannelBrainPin(const char *msg, adc_channel_e hwChannel) {
    static_assert(EFI_ADC_NONE == ADC_CHANNEL_NONE);
 
    // todo: replace this with an array :)
    switch (hwChannel) {
    case EFI_ADC_0:
        return Gpio::A2;
    case EFI_ADC_1:
        return Gpio::A3;
    case EFI_ADC_2:
        return Gpio::Invalid;
    case EFI_ADC_3:
        return Gpio::D3;
    case EFI_ADC_4:
        return Gpio::Invalid;
    case EFI_ADC_5:
        return Gpio::Invalid;
    case EFI_ADC_6:
        return Gpio::Invalid;
    case EFI_ADC_7:
        return Gpio::B12;
    case EFI_ADC_8:
        return Gpio::B13;
    case EFI_ADC_9:
        return Gpio::Invalid;
    case EFI_ADC_10:
        return Gpio::E2;
    case EFI_ADC_11:
        return Gpio::Invalid;
    case EFI_ADC_12:
        return Gpio::C14;
    case EFI_ADC_13:
        return Gpio::C15;
    case EFI_ADC_14:
        return Gpio::C16;
    case EFI_ADC_15:
        return Gpio::C17;
    default:
        firmwareError(ObdCode::CUSTOM_ERR_ADC_UNKNOWN_CHANNEL, "Unknown hw channel %d [%s]", hwChannel, msg);
        return Gpio::Invalid;
    }
}
 
adc_channel_e getAdcChannel(brain_pin_e pin) {
    switch (pin) {
    case Gpio::A2:
        return EFI_ADC_0;
    case Gpio::A3:
        return EFI_ADC_1;
    //case Gpio::A2:
    //  return EFI_ADC_2;
    case Gpio::D3:
        return EFI_ADC_3;
    //case Gpio::A4:
    //  return EFI_ADC_4;
    //case Gpio::A5:
    //  return EFI_ADC_5;
    //case Gpio::A6:
    //  return EFI_ADC_6;
    case Gpio::B12:
        return EFI_ADC_7;
    case Gpio::B13:
        return EFI_ADC_8;
    //case Gpio::B1:
    //  return EFI_ADC_9;
    case Gpio::E2:
        return EFI_ADC_10;
    //case Gpio::C1:
    //  return EFI_ADC_11;
    case Gpio::C14:
        return EFI_ADC_12;
    case Gpio::C15:
        return EFI_ADC_13;
    case Gpio::C16:
        return EFI_ADC_14;
    case Gpio::C17:
        return EFI_ADC_15;
    default:
        return EFI_ADC_ERROR;
    }
}
 
bool adcIsMuxedInput(adc_channel_e hwChannel) {
    return false;
}
 
adc_channel_e adcMuxedGetParent(adc_channel_e hwChannel)
{
    return hwChannel;
}
 
int getAdcInternalChannel(ADC_TypeDef *adc, adc_channel_e hwChannel) {
    (void)adc;
 
    return (hwChannel - EFI_ADC_0);
}
 
adc_channel_e getHwChannelForAdcInput(ADC_TypeDef *adc, size_t hwIndex)
{
    (void)adc;
 
    return (EFI_ADC_0 + hwIndex);
}
 
// deprecated - migrate to 'getAdcChannelBrainPin'
ioportid_t getAdcChannelPort(const char *msg, adc_channel_e hwChannel) {
    return getHwPort(msg, getAdcChannelBrainPin(msg, hwChannel));
}
 
// deprecated - migrate to 'getAdcChannelBrainPin'
int getAdcChannelPin(adc_channel_e hwChannel) {
    return getHwPin("get_pin", getAdcChannelBrainPin("get_pin", hwChannel));
}
 
#endif /* HAL_USE_ADC */
 
#if EFI_DFU_JUMP
#define BOOTLOADER_LOCATION 0x1C00001CUL
void jump_to_bootloader() {
    typedef void (*bootloader_start_t)(void * arg);
    // Read the function address from the ROM API tree and turn it into a function pointer
    bootloader_start_t bootloaderStart = (bootloader_start_t)(**(uint32_t **)BOOTLOADER_LOCATION);
    // Call the function!
    bootloaderStart(NULL);
    // Will not return from here
    NVIC_SystemReset();
}
#endif /* EFI_DFU_JUMP */
 
int getRemainingStack(thread_t *otp) {
    // todo: would stm32 code actually work here since similar Cortex?
    return 888888;
}