scratch heater interface

scratch-heater.h

typedef enum
{
    HEATER_COMMAND_SETUP,
    HEATER_COMMAND_SHUTDOWN,
    HEATER_COMMAND_ENABLE,
    HEATER_COMMAND_SETPOINT,
} heater_command_t;


void (*callback_func)(heater_command_t command, error_t result);

typedef struct
{
    heater_command_t    command;
    uint32_t            timeoutMs;
    callback_func       callback;
    union {
        float setpoint;
        uint32_t enableMask;
    }
} heater_queue_t;