ZeroPi Marlin firmware code
Only supports USB printing
SD card printing Currently not supported
LCD Currently not supported
EEPROM_SETTINGS Currently not supported
Pin Description File :pin pins_ZEROPI.h
ZeroPi**********3D printer
SLOT1------------X motor
SLOT2------------Y motor
SLOT3------------Z motor
SLOT4------------E motor
56---------------FAN_PIN
57---------------HEATER_0_PIN
A4(T0)-----------TEMP_0_PIN
31//Rx-----------X_STOP_PIN
30//Tx-----------Y_STOP_PIN
58//SWCLK--------Z_STOP_PIN
X_STOP_PIN, Y_STOP_PIN, Z_STOP_PIN: It allows users to modify on pins_ZEROPI.h
for example:
#define X_STEP_PIN 4
#define X_DIR_PIN 3
#define X_ENABLE_PIN 44
#define X_STOP_PIN (14)A0
#define Y_STEP_PIN 6
#define Y_DIR_PIN 5
#define Y_ENABLE_PIN 48
#define Y_STOP_PIN (15)A1
#define Z_STEP_PIN 12
#define Z_DIR_PIN 10
#define Z_ENABLE_PIN 52
#define Z_STOP_PIN (16)A2