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Changed from MCP23S17 to MCP23017. Lots of changes.

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Doesn't really work because of timing stuff.
This commit is contained in:
Fabian Schlenz
2019-11-10 14:45:33 +01:00
parent 88655b543d
commit 2ea2ec479a
14 changed files with 423 additions and 156 deletions
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53
include/spi_master.h
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@ -5,31 +5,42 @@
#include "config.h"
class SPIMaster {
private:
Adafruit_MCP23017* _mcp;
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);
SPIMaster(Adafruit_MCP23017* m) {
_mcp = m;
PIN_SD_CS_SETUP();
PIN_VS1053_XCS_SETUP();
PIN_VS1053_XDCS_SETUP();
PIN_RC522_CS_SETUP();
disable();
}
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));
void select_sd(bool enabled=true) {
PIN_SD_CS(enabled ? LOW : HIGH);
delayMicroseconds(MCP_SPI_SETTING_DELAY);
}
static void disable() {
enable(142);
void select_vs1053_xcs(bool enabled=true) {
PIN_VS1053_XCS(enabled ? LOW : HIGH);
delayMicroseconds(MCP_SPI_SETTING_DELAY);
}
void select_vs1053_xdcs(bool enabled=true) {
PIN_VS1053_XDCS(enabled ? LOW : HIGH);
delayMicroseconds(MCP_SPI_SETTING_DELAY);
}
void select_rc522(bool enabled=true) {
PIN_RC522_CS(enabled ? LOW : HIGH);
delayMicroseconds(MCP_SPI_SETTING_DELAY);
}
void disable() {
PIN_SD_CS(HIGH);
PIN_VS1053_XCS(HIGH);
PIN_VS1053_XDCS(HIGH);
PIN_RC522_CS(HIGH);
}
};