FluxBoardConfig.h

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#ifndef FLUX_BOARD_CONFIG_H_
#define FLUX_BOARD_CONFIG_H_
 
#include <cstdint>
 
#include "core/hf-core-drivers/internal/hf-pincfg/src/hf_functional_pin_config_flux_v1.hpp"
 
namespace flux::board {
 
//==============================================================================
// SPI buses
//==============================================================================
 
enum class SpiBus : uint8_t {
    Valve    = 0,  
    Pressure = 1,  
};
 
/* Valve bus: GPIO35..38 have no IO MUX route, so it runs on SPI3_HOST through the GPIO matrix. */
inline constexpr uint8_t  kValveSpiController    = 2;      
inline constexpr bool     kValveSpiUseIomux      = false;  
 
/* Pressure bus: GPIO10..13 are the native IO MUX pins of SPI2_HOST. */
inline constexpr uint8_t  kPressureSpiController = 1;      
inline constexpr bool     kPressureSpiUseIomux   = true;   
 
inline constexpr uint32_t kSpiTimeoutMs          = 1000;   
 
/* MAX22200: mode 0, 1 MHz. The datasheet allows 10 MHz; 1 MHz is the rate the driver example
 * enumerates reliably on the bench harness. */
inline constexpr uint32_t kMax22200SpiHz   = 1'000'000;
inline constexpr uint8_t  kMax22200SpiMode = 0;
 
/* TLE92466ED: mode 1, 1 MHz (datasheet allows 8 MHz with a tightly controlled bus). */
inline constexpr uint32_t kTle92466SpiHz   = 1'000'000;
inline constexpr uint8_t  kTle92466SpiMode = 1;
 
/* ADS7952: mode 0, 4 MHz (datasheet allows 20 MHz; 4 MHz for stability). */
inline constexpr uint32_t kAds7952SpiHz    = 4'000'000;
inline constexpr uint8_t  kAds7952SpiMode  = 0;
 
//==============================================================================
// CAN, status LED
//==============================================================================
 
inline constexpr uint32_t kCanBitrate          = 500'000;  
 
inline constexpr uint8_t  kStatusLedChannel    = 0;        
inline constexpr uint16_t kStatusLedCount      = 1;        
 
//==============================================================================
// GPIO roles the pin map does not carry (it has no direction field)
//==============================================================================
 
inline constexpr HfFunctionalGpioPin kInputPins[] = {
    HfFunctionalGpioPin::MAX22200_FAULT_N,
    HfFunctionalGpioPin::TLE92466_FAULT_N,
};
 
inline constexpr HfFunctionalGpioPin kValveEnablePins[] = {
    HfFunctionalGpioPin::MAX22200_ENABLE,
    HfFunctionalGpioPin::TLE92466_EN,
};
 
constexpr bool IsInputPin(HfFunctionalGpioPin pin) noexcept {
    for (const auto p : kInputPins) {
        if (p == pin) return true;
    }
    return false;
}
 
constexpr bool IsValveEnablePin(HfFunctionalGpioPin pin) noexcept {
    for (const auto p : kValveEnablePins) {
        if (p == pin) return true;
    }
    return false;
}
 
}  // namespace flux::board
 
#endif  // FLUX_BOARD_CONFIG_H_