solenoid.h

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// solenoid_controls.h
// Interface for controlling solenoid valves via MCP23S17 GPIO expanders.
 
#ifndef SOLENOID_CONTROLS_H_
#define SOLENOID_CONTROLS_H_
 
#include <Arduino.h>
#include <MCP23S17.h>
#include <SPI.h>
#include <stddef.h>
#include <stdint.h>
 
namespace solenoids {
 
// ===================== CONFIG =====================
constexpr bool SOLENOID_ACTIVE_HIGH = true;  // set to false if LOW = open
constexpr int PYRO_CS_1 = 48;
 
// ===================== PUBLIC ENUM =====================
enum SolenoidID { OVP = 0, FVP, OUP, FUP, ODP, FDP, PVF, PVO };
 
// ===================== API =====================
 
// Initializes the MCP23S17 and configures all solenoid channels as outputs.
void init(SPIClass& spi, int sclk, int miso, int mosi, int cs_pin,
          uint8_t mcp_hw_addr = 0x00);
 
// Individual solenoid controls
void open(SolenoidID id);
void close(SolenoidID id);
bool isOpen(SolenoidID id);
 
// Safety and helper utilities
void safeAllOff();
void pulseBlocking(SolenoidID id, uint32_t ms);
 
// Higher-level operational macros
void openAll();
void closeAll();
 
void fillTanks();
void basePress();
void pressKero();
void pressLOX();
void pressKeroLOX();
void Pressurization();
void ventKeroLOX();
void openMains();
void ventTanks();
void ventAll();
void Abort();
 
}  // namespace solenoids
 
#endif  // SOLENOID_CONTROLS_H_