diff options
Diffstat (limited to 'wirish/boards/st_stm32f401cdiscovery/include/board')
| -rw-r--r-- | wirish/boards/st_stm32f401cdiscovery/include/board/board.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/wirish/boards/st_stm32f401cdiscovery/include/board/board.h b/wirish/boards/st_stm32f401cdiscovery/include/board/board.h new file mode 100644 index 0000000..d93bc30 --- /dev/null +++ b/wirish/boards/st_stm32f401cdiscovery/include/board/board.h @@ -0,0 +1,127 @@ +/****************************************************************************** + * 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 Perry Huang <iperry@leaflabs.com>, Bryan Newbold <bnewbold@robocracy.org + * @brief STM32F401C Discovery board file. + */ + +#ifndef _BOARD_STM32F401_DISCOVERY_H_ +#define _BOARD_STM32F401_DISCOVERY_H_ + +/* 84 MHz -> 84 cycles per microsecond. */ +#define CYCLES_PER_MICROSECOND 84 + +// PLL config for 8 MHz external crystal +// --> 84 MHz SYSCLK, with 48 MHz PLL48CK. +// +// Additional constraints: +// ASSERT_FAULT((data->pllq >= 4) && (data->pllq <= 15)); +// ASSERT_FAULT((data->pllp >= 2) && (data->pllp <= 8)); +// ASSERT_FAULT(!(data->pllp & 1)); +// ASSERT_FAULT((data->plln >= 192) && (data->plln <= 432)); +// ASSERT_FAULT((data->pllm >= 2) && (data->pllm <= 63)); +// +// f_VCO = (INPUT) X (PLL_N / PLL_M) +#define BOARD_PLL_N 336 +#define BOARD_PLL_M 8 +// SYSCLK = f_PLL = f_VCO / PLL_P; PLL_P = {2, 4, 6, 8} +#define BOARD_PLL_P 4 +// PLL48CK = f_USBETC = f_VCO / PLL_Q; 2 <= PLL_Q <= 15 +#define BOARD_PLL_Q 7 // should be 2? + +/* Pin number for the built-in button (USER button on STM32F401DISCOVERY) */ +#define BOARD_BUTTON_PIN PA0 + +/* Pin number for the built-in LED (blue LED on STM32F401DISCOVERY) */ +#define BOARD_LED_PIN PD15 + +/* Number of USARTs/UARTs whose pins are broken out to headers. */ +#define BOARD_NR_USARTS 3 + +/* USART pin numbers. */ +#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 + +/* Number of SPI ports broken out to headers. */ +#define BOARD_NR_SPI 2 + +/* SPI pin numbers. */ +#define BOARD_SPI1_NSS_PIN PA4 +#define BOARD_SPI1_MOSI_PIN PA7 +#define BOARD_SPI1_MISO_PIN PA6 +#define BOARD_SPI1_SCK_PIN PA5 + +#define BOARD_SPI2_NSS_PIN 28 +#define BOARD_SPI2_MOSI_PIN 31 +#define BOARD_SPI2_MISO_PIN 30 +#define BOARD_SPI2_SCK_PIN 29 + +/* 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 80 + +/* 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, 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, +}; + +#endif |