/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */
#pragma once

#include "env_validate.h"

#define BOARD_INFO_NAME "ZONESTAR ZM3E2 V1.0"

#define DISABLE_DEBUG
//#define DISABLE_JTAG

#if NO_EEPROM_SELECTED
  #define FLASH_EEPROM_EMULATION
  #define EEPROM_PAGE_SIZE      (0x800) // 2KB
  #define EEPROM_START_ADDRESS  (0x08000000 + (STM32_FLASH_SIZE) * 1024 - 2 * EEPROM_PAGE_SIZE)
  #define MARLIN_EEPROM_SIZE    EEPROM_PAGE_SIZE  // 2KB
#endif

//=============================================================================
// Zonestar ZM3E2 V1.0 (STM32F103RCT6) board pin assignments
//=============================================================================
//  PA0     PWR_HOLD    |  PB0     BEEP            |  PC0     HEATER_0
//  PA1     FAN_PIN     |  PB1     KILL            |  PC1     HEATER_BED
//  PA2     TX2         |  PB2     LCD_SDA         |  PC2     TEMP_BED
//  PA3     RX2         |  PB3     E1_EN           |  PC3     TEMP_E0
//  PA4     SD_CS       |  PB4     Z_STOP          |  PC4     SD_DETECT
//  PA5     SD_SCK      |  PB5     Z_DIR           |  PC5     BTN_EN2
//  PA6     SD_MISO     |  PB6     Z_STEP          |  PC6     FAN1
//  PA7     SD_MOSI     |  PB7     Z_EN            |  PC7     FIL_RUNOUT
//  PA8     X_DIR       |  PB8     Y_STEP          |  PC8     X_EN
//  PA9     LCD_RS      |  PB9     Y_DIR           |  PC9     X_STEP
//  PA10    LCD_SCK     |  PB10    BTN_ENC         |  PC10    Z_MIN_PROBE_PIN
//  PA11    USB_D-      |  PB11    BTN_EN1         |  PC11    FIL_RUNOUT2
//  PA12    USB_D+      |  PB12    LED             |  PC12    E1_DIR
//  PA13    MS1         |  PB13    E0_EN           |  PC13    Y_STOP
//  PA14    MS2         |  PB14    E0_STEP         |  PC14    Y_EN
//  PA15    PWM         |  PB15    E0_DIR          |  PC15    X_STOP
//  PD0     NC
//  PD1     NC
//  PD2     E1_STEP

//=============================================================================
// EXP1 connector
//     MARK     I/O     ZONESTAR_12864LCD      ZONESTAR_12864OLED
//  10 MOSI     PB1     KILL                   SDA
//   9 SCK      PB0     BEEP                   SCK
//   8 TX1      PA9     DOGLCD_CS              CS
//   7 RX1      PA10    DOGLCD_SCK             DC
//   6 ENA      PC5     BTN_EN2                KNOB_ENB
//   5 DAT      PB2     DOGLCD_MOSI            RESET
//   4 TX3      PB10    BTN_ENC                KNOB_ENC
//   3 RX3      PB11    BTN_EN1                KNOB_ENA
//   2 +5V
//   1 GND

#define EXP1_03_PIN                         PB11
#define EXP1_04_PIN                         PB10
#define EXP1_05_PIN                         PB2
#define EXP1_06_PIN                         PC5
#define EXP1_07_PIN                         PA10
#define EXP1_08_PIN                         PA9
#define EXP1_09_PIN                         PB0
#define EXP1_10_PIN                         PB1

// AUX1 connector
//  1 +5V
//  2 TX2   PA2   UART2_TX
//  3 RX2   PA3   UART2_RX
//  4 GND

// AUX2 connector to BLTouch
//  1 +5V
//  2 SEN   PC10
//  3 PWM   PA15
//  4 GND
//=============================================================================

//
// Servos
//
#define SERVO0_PIN                          PA15

//
// Limit Switches
//
#define X_STOP_PIN                          PC15
#define Y_STOP_PIN                          PC13
#define Z_STOP_PIN                          PB4

#ifndef Z_MIN_PROBE_PIN
  #define Z_MIN_PROBE_PIN                   PC10  // BLTouch (3DTouch)
#endif

//
// Filament Runout Sensor
//
#define FIL_RUNOUT_PIN                      PC7   // E0_SW
//#define FIL_RUNOUT2_PIN                   PC11  // E1_SW

//
// Steppers
//
#define MS1_PIN                             PA13
#define MS2_PIN                             PA14

#define X_STEP_PIN                          PC9
#define X_DIR_PIN                           PA8
#define X_ENABLE_PIN                        PC8

#define Y_STEP_PIN                          PB8
#define Y_DIR_PIN                           PB9
#define Y_ENABLE_PIN                        PC14

#define Z_STEP_PIN                          PB6
#define Z_DIR_PIN                           PB5
#define Z_ENABLE_PIN                        PB7

#define E0_STEP_PIN                         PB14
#define E0_DIR_PIN                          PB15
#define E0_ENABLE_PIN                       PB13

#define E1_STEP_PIN                         PD2
#define E1_DIR_PIN                          PC12
#define E1_ENABLE_PIN                       PB3

//
// Heaters / Fans
//
#define HEATER_0_PIN                        PC0   // EXTRUDER 1
#define HEATER_BED_PIN                      PC1   // BED

#define FAN1_PIN                            PC6
#define FAN_PIN                             PA1

//
// Temperature Sensors
//
#define TEMP_BED_PIN                        PC2   // Analog Input
#define TEMP_0_PIN                          PC3   // Analog Input

#define LED_PIN                             PB12
//#define KILL_PIN                          PB1   // @EXP1
#define SUICIDE_PIN                         PA0

//
// SD card
//
#define ENABLE_SPI1
#define SD_DETECT_PIN                       PC4
#define SD_SCK_PIN                          PA5
#define SD_MISO_PIN                         PA6
#define SD_MOSI_PIN                         PA7
#define SD_SS_PIN                           PA4

//
// LCD Pins
//
#if ENABLED(ZONESTAR_12864LCD)

  //================================================================================
  // LCD 128x64
  //================================================================================
  // EXP1 connector
  //     MARK     I/O     ZONESTAR_12864LCD
  //  10 MOSI     PB1     KILL
  //   9 SCK      PB0     BEEP
  //   8 TX1      PA9     LCD_PINS_RS
  //   7 RX1      PA10    LCD_PINS_D4
  //   6 ENA      PC5     BTN_EN2
  //   5 DAT      PB2     LCD_PINS_ENABLE
  //   4 TX3      PB10    BTN_ENC
  //   3 RX3      PB11    BTN_EN1
  //   2 +5V
  //   1 GND

  #define LCDSCREEN_NAME "ZONESTAR LCD12864"
  #define LCD_PINS_RS                EXP1_08_PIN
  #define LCD_PINS_ENABLE            EXP1_05_PIN
  #define LCD_PINS_D4                EXP1_07_PIN
  //#define KILL_PIN                 EXP1_10_PIN
  #define BEEPER_PIN                 EXP1_09_PIN
  #define BTN_EN1                    EXP1_03_PIN
  #define BTN_EN2                    EXP1_06_PIN
  #define BTN_ENC                    EXP1_04_PIN
  #define BOARD_ST7920_DELAY_1               125
  #define BOARD_ST7920_DELAY_2               200
  #define BOARD_ST7920_DELAY_3               125

#elif EITHER(ZONESTAR_12864OLED, ZONESTAR_12864OLED_SSD1306)

  //================================================================================
  // OLED 128x64
  //================================================================================
  //  10 MOSI   PB1   OLED_SDA
  //   9 SCK    PB0   OLED_SCK
  //   8 TX1    PA9   OLED_CS
  //   7 RX1    PA10  OLED_DC
  //   6 ENA    PC5   KNOB_ENA
  //   5 DAT    PB2   OLED_RESET
  //   4 TX3    PB10  KNOB_ENC
  //   3 RX3    PB11  KNOB_ENB

  #define FORCE_SOFT_SPI
  #define LCDSCREEN_NAME "ZONESTAR 12864OLED"
  #define LCD_PINS_RS                EXP1_05_PIN  // = LCD_RESET_PIN
  #define LCD_PINS_DC                EXP1_07_PIN  // DC
  #define DOGLCD_CS                  EXP1_08_PIN  // CS
  #define DOGLCD_A0                  LCD_PINS_DC  // A0 = DC
  #define DOGLCD_MOSI                EXP1_10_PIN  // SDA
  #define DOGLCD_SCK                 EXP1_09_PIN  // SCK
  // Encoder
  #define BTN_EN1                    EXP1_03_PIN
  #define BTN_EN2                    EXP1_06_PIN
  #define BTN_ENC                    EXP1_04_PIN

#endif
