stm32f4: add support for stm32f401CDiscovery board

Add support for stm32f401CDiscovery board running an STM32F401VGT6

2 files changed, 196 insertions, 0 deletions

diff --git a/wirish/boards/stm32f401c_discovery/board.cpp b/wirish/boards/stm32f401c_discovery/board.cpp
new file mode 100644
index 0000000..c4c9f1a
--- /dev/null
+++ b/wirish/boards/stm32f401c_discovery/board.cpp
@@ -0,0 +1,92 @@
+/******************************************************************************
+ * 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
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @file   wirish/boards/maple/board.cpp
+ * @author Marti Bolivar <mbolivar@leaflabs.com>
+ * @brief  Maple board file.
+ */
+
+#include <board/board.h>         // For this board's header file
+
+#include <wirish/wirish_types.h> // For stm32_pin_info and its contents
+                                 // (these go into PIN_MAP).
+
+#include "boards_private.h"      // For PMAP_ROW(), which makes
+                                 // PIN_MAP easier to read.
+
+// boardInit(): nothing special to do for Maple.
+//
+// When defining your own board.cpp, you can put extra code in this
+// function if you have anything you want done on reset, before main()
+// or setup() are called.
+//
+// If there's nothing special you need done, feel free to leave this
+// function out, as we do here.
+/*
+void boardInit(void) {
+}
+*/
+
+// Pin map: this lets the basic I/O functions (digitalWrite(),
+// analogRead(), pwmWrite()) translate from pin numbers to STM32
+// peripherals.
+//
+// PMAP_ROW() lets us specify a row (really a struct stm32_pin_info)
+// in the pin map. Its arguments are:
+//
+// - GPIO device for the pin (GPIOA, etc.)
+// - GPIO bit for the pin (0 through 15)
+// - Timer device, or NULL if none
+// - Timer channel (1 to 4, for PWM), or 0 if none
+// - ADC device, or NULL if none
+// - ADC channel, or ADCx if none
+extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = {
+    PMAP_ROW(GPIOA,   0, TIMER2,  1, ADC1,    0), /* D0/PA0  */
+    PMAP_ROW(GPIOD,  12, TIMER4,  1, NULL, ADCx), /* D1/PD12 */
+    PMAP_ROW(GPIOD,  13, TIMER4,  1, NULL, ADCx), /* D2/PD13 */
+    PMAP_ROW(GPIOD,  14, TIMER4,  1, NULL, ADCx), /* D8/PD14 */
+    PMAP_ROW(GPIOD,  15, TIMER4,  1, NULL, ADCx), /* D9/PD15 */
+};
+
+// Array of pins you can use for pwmWrite(). Keep it in Flash because
+// it doesn't change, and so we don't waste RAM.
+extern const uint8 boardPWMPins[] __FLASH__ = {
+    0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 14, 24, 27, 28
+};
+
+// Array of pins you can use for analogRead().
+extern const uint8 boardADCPins[] __FLASH__ = {
+    0,
+};
+
+// Array of pins that the board uses for something special. Other than
+// the button and the LED, it's usually best to leave these pins alone
+// unless you know what you're doing.
+extern const uint8 boardUsedPins[] __FLASH__ = {
+    BOARD_LED_PIN, BOARD_BUTTON_PIN, BOARD_JTMS_SWDIO_PIN,
+    BOARD_JTCK_SWCLK_PIN, BOARD_JTDI_PIN, BOARD_JTDO_PIN, BOARD_NJTRST_PIN
+};
diff --git a/wirish/boards/stm32f401c_discovery/include/board/board.h b/wirish/boards/stm32f401c_discovery/include/board/board.h
new file mode 100644
index 0000000..b727d1a
--- /dev/null
+++ b/wirish/boards/stm32f401c_discovery/include/board/board.h
@@ -0,0 +1,104 @@
+/******************************************************************************
+ * 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
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @file   wirish/boards/maple/include/board/board.h
+ * @author Marti Bolivar <mbolivar@leaflabs.com>
+ * @brief  Maple board header.
+ */
+
+#ifndef _BOARD_STM32F401_DISCOVERY_H_
+#define _BOARD_STM32F401_DISCOVERY_H_
+
+/* 72 MHz -> 72 cycles per microsecond. */
+#define CYCLES_PER_MICROSECOND  72
+
+/* Pin number for the built-in button. */
+#define BOARD_BUTTON_PIN        0
+
+/* Pin number for the built-in LED. */
+#define BOARD_LED_PIN           1
+
+/* Number of USARTs/UARTs whose pins are broken out to headers. */
+#define BOARD_NR_USARTS         3
+
+/* USART pin numbers. */
+#define BOARD_USART1_TX_PIN     7
+#define BOARD_USART1_RX_PIN     8
+#define BOARD_USART2_TX_PIN     1
+#define BOARD_USART2_RX_PIN     0
+#define BOARD_USART3_TX_PIN     29
+#define BOARD_USART3_RX_PIN     30
+
+/* Number of SPI ports broken out to headers. */
+#define BOARD_NR_SPI            2
+
+/* SPI pin numbers. */
+#define BOARD_SPI1_NSS_PIN      10
+#define BOARD_SPI1_MOSI_PIN     11
+#define BOARD_SPI1_MISO_PIN     12
+#define BOARD_SPI1_SCK_PIN      13
+#define BOARD_SPI2_NSS_PIN      31
+#define BOARD_SPI2_MOSI_PIN     34
+#define BOARD_SPI2_MISO_PIN     33
+#define BOARD_SPI2_SCK_PIN      32
+
+/* Total number of GPIO pins that are broken out to headers and
+ * intended for use. This includes pins like the LED, button, and
+ * debug port (JTAG/SWD) pins. */
+#define BOARD_NR_GPIO_PINS      5
+
+/* Number of pins capable of PWM output. */
+#define BOARD_NR_PWM_PINS       5
+
+/* Number of pins capable of ADC conversion. */
+#define BOARD_NR_ADC_PINS       1
+
+/* Number of pins already connected to external hardware.  For Maple,
+ * these are just BOARD_LED_PIN, BOARD_BUTTON_PIN, and the debug port
+ * pins (see below). */
+#define BOARD_NR_USED_PINS       7
+
+/* Debug port pins. */
+#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
+
+/* 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, PD12, PD13, PD14, PD15
+};
+
+#endif