74 lines
1.3 KiB
C++
74 lines
1.3 KiB
C++
#pragma once
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#include <Arduino.h>
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#include <SPI.h>
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#include "config.h"
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class SPIMaster {
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public:
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static uint8_t state;
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static void init() {
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PIN_SD_CS_SETUP();
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PIN_VS1053_XCS_SETUP();
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PIN_VS1053_XDCS_SETUP();
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PIN_RC522_CS_SETUP();
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disable();
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}
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static void select_sd(bool enabled=true) {
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PIN_SD_CS(enabled ? LOW : HIGH);
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if (enabled) {
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state |= 1;
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} else {
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state &= ~1;
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}
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delayMicroseconds(MCP_SPI_SETTING_DELAY);
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}
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static void select_vs1053_xcs(bool enabled=true) {
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PIN_VS1053_XCS(enabled ? LOW : HIGH);
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if (enabled) {
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state |= 2;
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} else {
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state &= ~2;
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}
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delayMicroseconds(MCP_SPI_SETTING_DELAY);
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}
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static void select_vs1053_xdcs(bool enabled=true) {
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PIN_VS1053_XDCS(enabled ? LOW : HIGH);
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if (enabled) {
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state |= 4;
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} else {
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state &= ~4;
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}
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delayMicroseconds(MCP_SPI_SETTING_DELAY);
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}
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static void select_rc522(bool enabled=true) {
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PIN_RC522_CS(enabled ? LOW : HIGH);
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if (enabled) {
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state |= 8;
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} else {
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state &= ~8;
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}
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delayMicroseconds(MCP_SPI_SETTING_DELAY);
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}
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static void set_state(uint8_t s) {
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disable();
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if (s & 1) select_sd();
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if (s & 2) select_vs1053_xcs();
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if (s & 4) select_vs1053_xdcs();
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if (s & 8) select_rc522();
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}
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static void disable() {
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PIN_SD_CS(HIGH);
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PIN_VS1053_XCS(HIGH);
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PIN_VS1053_XDCS(HIGH);
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PIN_RC522_CS(HIGH);
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state = 0;
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}
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}; |