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r65emu
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flexible hardware config

This commit is contained in:
Stephen Crane 2018-08-10 13:47:06 +01:00
parent 69f7837ac3
commit df4fc63c86
1 changed files with 20 additions and 4 deletions
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24
hardware.cpp
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@ -1,6 +1,6 @@
#include <UTFT.h>
#include <SPI.h>
#include <SD.h>
#include <UTFT.h>
#include <SpiRAM.h>
#include "ps2drv.h"
@ -12,26 +12,36 @@
Memory memory;
PS2Driver ps2;
#if defined(SPIRAM_CS)
spiram sram(SPIRAM_SIZE);
#endif
UTFT utft(TFT_MODEL, TFT_RS, TFT_WR, TFT_CS, TFT_RST);
static CPU *_cpu;
bool hardware_reset() {
bool success = true;
#if defined(SPIRAM_CS)
extern SPIClass SPIRAM_DEV;
SPIRAM_DEV.begin();
SPIRAM_DEV.setModule(SPIRAM_SPI);
SPIRAM_DEV.setClockDivider(1);
SPIRAM_DEV.setDataMode(SPI_MODE0);
#endif
bool sd = SD.begin(SD_CS, 2, SD_SPI);
#if defined(SD_CS)
success = SD.begin(SD_CS, 2, SD_SPI);
pinMode(SPI_CS, OUTPUT); // without this, the SPI-RAM isn't seen
#endif
#if defined(TFT_BACKLIGHT)
digitalWrite(TFT_BACKLIGHT, HIGH);
#endif
_cpu->reset();
return sd;
return success;
}
void hardware_init(CPU &cpu) {
@ -42,10 +52,16 @@ void hardware_init(CPU &cpu) {
#if defined(TFT_BACKLIGHT)
pinMode(TFT_BACKLIGHT, OUTPUT);
#endif
#if defined(SD_CS)
pinMode(SD_CS, OUTPUT);
digitalWrite(SD_CS, HIGH);
#endif
#if defined(SPIRAM_CS)
pinMode(SPIRAM_CS, OUTPUT);
digitalWrite(SPIRAM_CS, HIGH);
#endif
}
void hardware_checkpoint(Stream &s) {