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Add LGT8F328P Support #41

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merged 3 commits into from
Nov 9, 2024
Merged

Add LGT8F328P Support #41

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7e6c128
fix: delayMicroseconds for lgt8f does not play nice when value is 0
barrenechea Nov 4, 2024
113d1e8
fix: use SoftTransfer for lgt8fx boards
barrenechea Nov 4, 2024
0f08500
chore: add lgt8fx board to readme
barrenechea Nov 5, 2024
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17 changes: 13 additions & 4 deletions MemCARDuino.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,12 @@
#define DataPin 50
#define AttPin 53
#define AckPin 2
#elif defined (ARDUINO_AVR_LARDU_328E)
#define DataPin 12
#define CmndPin 11
#define AttPin 10
#define ClockPin 13
#define AckPin 2
#else
#define DataPin 12
#define AttPin 10
Expand All @@ -97,7 +103,7 @@ void PinSetup()
digitalWrite(AttPin, HIGH);

//Set up SPI
#if defined (ARDUINO_ARCH_RP2040) || (ESP8266) || (ESP32)
#if defined (ARDUINO_ARCH_RP2040) || (ESP8266) || (ESP32) || (ARDUINO_AVR_LARDU_328E)
pinMode(ClockPin, OUTPUT);
pinMode(CmndPin, OUTPUT);

Expand Down Expand Up @@ -136,7 +142,7 @@ ICACHE_RAM_ATTR void ACK()
state = !state;
}

#if defined (ARDUINO_ARCH_RP2040) || (ESP8266) || (ESP32)
#if defined (ARDUINO_ARCH_RP2040) || (ESP8266) || (ESP32) || (ARDUINO_AVR_LARDU_328E)
//Software SPI bit bang, turned out to be the most compatible with PocketStations
byte SoftTransfer(byte data)
{
Expand Down Expand Up @@ -166,10 +172,13 @@ byte SendCommand(byte CommandByte, int Timeout, int Delay)
state = HIGH; //Set high state for ACK signal

//Delay for a bit (values simulating delays between real PS1 and Memory Card)
delayMicroseconds(Delay);
if (Delay > 0)
{
delayMicroseconds(Delay);
}

//Send data on the SPI bus
#if defined (ARDUINO_ARCH_RP2040) || (ESP8266) || (ESP32)
#if defined (ARDUINO_ARCH_RP2040) || (ESP8266) || (ESP32) || (ARDUINO_AVR_LARDU_328E)
byte data = SoftTransfer(CommandByte);
#else
byte data = SPI.transfer(CommandByte);
Expand Down
1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
* Arduino Mega 2560
* Espressif [ESP8266](https://github.com/esp8266/Arduino), [ESP32](https://github.com/espressif/arduino-esp32) (requires additional board URL)
* [Raspberry Pi Pico](https://github.com/earlephilhower/arduino-pico) (requires additional board URL)
* Logic Green [LGT8F328P](https://github.com/dbuezas/lgt8fx) (requires additional board URL)

Various other boards can be supported if they have Arduino core available with SPI library with minimal or no editing to the sketch.

Expand Down