esmp3/include/spi_master.h

#pragma once

#include <Arduino.h>
#include <SPI.h>
#include "config.h"

class SPIMaster {
public:
	static void init() {
		SPI.setHwCs(false);
		pinMode(PIN_SD_CS, OUTPUT);
		pinMode(PIN_VS1053_XCS, OUTPUT);
		pinMode(PIN_VS1053_XDCS, OUTPUT);
		pinMode(PIN_MCP, OUTPUT);
	}
	static void enable(uint8_t pin) {
		digitalWrite(PIN_SD_CS, pin==PIN_SD_CS ? LOW : HIGH);
		digitalWrite(PIN_VS1053_XCS, pin==PIN_VS1053_XCS ? LOW : HIGH);
		digitalWrite(PIN_VS1053_XDCS, pin==PIN_VS1053_XDCS ? LOW : HIGH);
		digitalWrite(PIN_MCP, pin==PIN_MCP ? LOW : HIGH);

	}

	static void printStatus() {
		Serial.printf("CS state: SD:%d, VS1053_XCS:%d, VS1053_XDCS:%d, MCP:%d\n",
		digitalRead(PIN_SD_CS),
		digitalRead(PIN_VS1053_XCS),
		digitalRead(PIN_VS1053_XDCS),
		digitalRead(PIN_MCP));
	}

	static void disable() {
		enable(142);
	}
};