marlin/buildroot/share/PlatformIO/variants/marlin_maple_CHITU_F103/board/board.h

/******************************************************************************
 * The MIT License
 *
 * Copyright (c) 2011 LeafLabs, LLC.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * SOFTWARE.
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/**
 * @file   maple_RET6.h
 * @author Marti Bolivar <mbolivar@leaflabs.com>
 * @brief  Private include file for Maple RET6 Edition in boards.h
 *
 * See maple.h for more information on these definitions.
 */

#ifndef _BOARDS_GENERIC_STM32F103Z_H_
#define _BOARDS_GENERIC_STM32F103Z_H_

/* A few of these values will seem strange given that it's a
 * high-density board. */

#define CYCLES_PER_MICROSECOND  72
#define SYSTICK_RELOAD_VAL     (F_CPU/1000) - 1 /* takes a cycle to reload */

// USARTS
#define BOARD_NR_USARTS         5
#define BOARD_USART1_TX_PIN     PA9
#define BOARD_USART1_RX_PIN     PA10

#define BOARD_USART2_TX_PIN     PA2
#define BOARD_USART2_RX_PIN     PA3

#define BOARD_USART3_TX_PIN     PB10
#define BOARD_USART3_RX_PIN     PB11

#define BOARD_USART4_TX_PIN     PC10
#define BOARD_USART4_RX_PIN     PC11

#define BOARD_USART5_TX_PIN     PC12
#define BOARD_USART5_RX_PIN     PD2

/* Note:
 *
 * SPI3 is unusable due to pin 43 (PB4) and NRST tie-together :(, but
 * leave the definitions so as not to clutter things up.  This is only
 * OK since RET6 Ed. is specifically advertised as a beta board. */
#define BOARD_NR_SPI            3
#define BOARD_SPI1_NSS_PIN      PA4
#define BOARD_SPI1_SCK_PIN      PA5
#define BOARD_SPI1_MISO_PIN     PA6
#define BOARD_SPI1_MOSI_PIN     PA7

#define BOARD_SPI2_NSS_PIN      PB12
#define BOARD_SPI2_SCK_PIN      PB13
#define BOARD_SPI2_MISO_PIN     PB14
#define BOARD_SPI2_MOSI_PIN     PB15

#define BOARD_SPI3_NSS_PIN      PA15
#define BOARD_SPI3_SCK_PIN      PB3
#define BOARD_SPI3_MISO_PIN     PB4
#define BOARD_SPI3_MOSI_PIN     PB5


/* GPIO A to E = 5 * 16  - BOOT1 not used = 79*/
#define BOARD_NR_GPIO_PINS      112
/* Note: NOT 19. The missing one is D38 a.k.a. BOARD_BUTTON_PIN, which
 * isn't broken out to a header and is thus unusable for PWM. */
#define BOARD_NR_PWM_PINS       19
#define BOARD_NR_ADC_PINS       16
#define BOARD_NR_USED_PINS      7

#define BOARD_JTMS_SWDIO_PIN    39
#define BOARD_JTCK_SWCLK_PIN    40
#define BOARD_JTDI_PIN          41
#define BOARD_JTDO_PIN          42
#define BOARD_NJTRST_PIN        43

/* USB configuration.  BOARD_USB_DISC_DEV is the GPIO port containing
 * the USB_DISC pin, and BOARD_USB_DISC_BIT is that pin's bit. */
#define BOARD_USB_DISC_DEV      GPIOC
#define BOARD_USB_DISC_BIT      12

/*
 * SDIO Pins
 */
#define BOARD_SDIO_D0 			PC8
#define BOARD_SDIO_D1 			PC9
#define BOARD_SDIO_D2 			PC10
#define BOARD_SDIO_D3 			PC11
#define BOARD_SDIO_CLK 			PC12
#define BOARD_SDIO_CMD 			PD2

/* Pin aliases: these give the GPIO port/bit for each pin as an
 * enum. These are optional, but recommended. They make it easier to
 * write code using low-level GPIO functionality. */
enum {
PA0,PA1,PA2,PA3,PA4,PA5,PA6,PA7,PA8,PA9,PA10,PA11,PA12,PA13,PA14,PA15,
PB0,PB1,PB2,PB3,PB4,PB5,PB6,PB7,PB8,PB9,PB10,PB11,PB12,PB13,PB14,PB15,
PC0,PC1,PC2,PC3,PC4,PC5,PC6,PC7,PC8,PC9,PC10,PC11,PC12,PC13,PC14,PC15,
PD0,PD1,PD2,PD3,PD4,PD5,PD6,PD7,PD8,PD9,PD10,PD11,PD12,PD13,PD14,PD15,
PE0,PE1,PE2,PE3,PE4,PE5,PE6,PE7,PE8,PE9,PE10,PE11,PE12,PE13,PE14,PE15,
PF0,PF1,PF2,PF3,PF4,PF5,PF6,PF7,PF8,PF9,PF10,PF11,PF12,PF13,PF14,PF15,
PG0,PG1,PG2,PG3,PG4,PG5,PG6,PG7,PG8,PG9,PG10,PG11,PG12,PG13,PG14,PG15
};/* Note PB2 is skipped as this is Boot1 and is not going to be much use as its likely to be pulled permanently low */
/*
#define PA0 0
#define PA1 1
#define PA2 2
#define PA3 3
#define PA4 4
#define PA5 5
#define PA6 6
#define PA7 7
#define PA8 8
#define PA9 9
#define PA10 10
#define PA11 11
#define PA12 12
#define PA13 13
#define PA14 14
#define PA15 15
#define PB0 16
#define PB1 17
#define PB2 18
#define PB3 19
#define PB4 20
#define PB5 21
#define PB6 22
#define PB7 23
#define PB8 24
#define PB9 25
#define PB10 26
#define PB11 27
#define PB12 28
#define PB13 29
#define PB14 30
#define PB15 31
#define PC0 32
#define PC1 33
#define PC2 34
#define PC3 35
#define PC4 36
#define PC5 37
#define PC6 38
#define PC7 39
#define PC8 40
#define PC9 41
#define PC10 42
#define PC11 43
#define PC12 44
#define PC13 45
#define PC14 46
#define PC15 47
#define PD0 48
#define PD1 49
#define PD2 50
#define PD3 51
#define PD4 52
#define PD5 53
#define PD6 54
#define PD7 55
#define PD8 56
#define PD9 57
#define PD10 58
#define PD11 59
#define PD12 60
#define PD13 61
#define PD14 62
#define PD15 63
#define PE0 64
#define PE1 65
#define PE2 66
#define PE3 67
#define PE4 68
#define PE5 69
#define PE6 70
#define PE7 71
#define PE8 72
#define PE9 73
#define PE10 74
#define PE11 75
#define PE12 76
#define PE13 77
#define PE14 78
#define PE15 79
#define PF0 80
#define PF1 81
#define PF2 82
#define PF3 83
#define PF4 84
#define PF5 85
#define PF6 86
#define PF7 87
#define PF8 88
#define PF9 89
#define PF10 90
#define PF11 91
#define PF12 92
#define PF13 93
#define PF14 94
#define PF15 95
#define PG0 96
#define PG1 97
#define PG2 98
#define PG3 99
#define PG4 100
#define PG5 101
#define PG6 102
#define PG7 103
#define PG8 104
#define PG9 105
#define PG10 106
#define PG11 107
#define PG12 108
#define PG13 109
#define PG14 110
#define PG15 111 */
#endif