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nuttx/boards/arm/stm32/stm32f4discovery/include/board.h

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/****************************************************************************
* boards/arm/stm32/stm32f4discovery/include/board.h
*
* Copyright (C) 2012, 2014-2016, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __BOARDS_ARM_STM32_STM32F4DISCOVERY_INCLUDE_BOARD_H
#define __BOARDS_ARM_STM32_STM32F4DISCOVERY_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# include <stdbool.h>
#endif
/* Do not include STM32-specific header files here */
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *************************************************************************/
/* The STM32F4 Discovery board features a single 8MHz crystal. Space is provided
* for a 32kHz RTC backup crystal, but it is not stuffed.
*
* This is the canonical configuration:
* System Clock source : PLL (HSE)
* SYSCLK(Hz) : 168000000 Determined by PLL configuration
* HCLK(Hz) : 168000000 (STM32_RCC_CFGR_HPRE)
* AHB Prescaler : 1 (STM32_RCC_CFGR_HPRE)
* APB1 Prescaler : 4 (STM32_RCC_CFGR_PPRE1)
* APB2 Prescaler : 2 (STM32_RCC_CFGR_PPRE2)
* HSE Frequency(Hz) : 8000000 (STM32_BOARD_XTAL)
* PLLM : 8 (STM32_PLLCFG_PLLM)
* PLLN : 336 (STM32_PLLCFG_PLLN)
* PLLP : 2 (STM32_PLLCFG_PLLP)
* PLLQ : 7 (STM32_PLLCFG_PLLQ)
* Main regulator output voltage : Scale1 mode Needed for high speed SYSCLK
* Flash Latency(WS) : 5
* Prefetch Buffer : OFF
* Instruction cache : ON
* Data cache : ON
* Require 48MHz for USB OTG FS, : Enabled
* SDIO and RNG clock
*/
/* HSI - 16 MHz RC factory-trimmed
* LSI - 32 KHz RC
* HSE - On-board crystal frequency is 8MHz
* LSE - 32.768 kHz
*/
#define STM32_BOARD_XTAL 8000000ul
#define STM32_HSI_FREQUENCY 16000000ul
#define STM32_LSI_FREQUENCY 32000
#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL
#define STM32_LSE_FREQUENCY 32768
/* Main PLL Configuration.
*
* PLL source is HSE
* PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN
* = (8,000,000 / 8) * 336
* = 336,000,000
* SYSCLK = PLL_VCO / PLLP
* = 336,000,000 / 2 = 168,000,000
* USB OTG FS, SDIO and RNG Clock
* = PLL_VCO / PLLQ
* = 48,000,000
*/
#define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(8)
#define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(336)
#define STM32_PLLCFG_PLLP RCC_PLLCFG_PLLP_2
#define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(7)
#define STM32_SYSCLK_FREQUENCY 168000000ul
/* AHB clock (HCLK) is SYSCLK (168MHz) */
#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */
#define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY
#define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY /* same as above, to satisfy compiler */
/* APB1 clock (PCLK1) is HCLK/4 (42MHz) */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd4 /* PCLK1 = HCLK / 4 */
#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/4)
/* Timers driven from APB1 will be twice PCLK1 */
#define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM4_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM5_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM7_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM12_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM13_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM14_CLKIN (2*STM32_PCLK1_FREQUENCY)
/* APB2 clock (PCLK2) is HCLK/2 (84MHz) */
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLKd2 /* PCLK2 = HCLK / 2 */
#define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/2)
/* Timers driven from APB2 will be twice PCLK2 */
#define STM32_APB2_TIM1_CLKIN (2*STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM8_CLKIN (2*STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM9_CLKIN (2*STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM10_CLKIN (2*STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM11_CLKIN (2*STM32_PCLK2_FREQUENCY)
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8 are on APB2, others on APB1
*/
#define BOARD_TIM1_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM2_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM3_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM4_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM5_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM6_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM7_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM8_FREQUENCY STM32_HCLK_FREQUENCY
/* SDIO dividers. Note that slower clocking is required when DMA is disabled
* in order to avoid RX overrun/TX underrun errors due to delayed responses
* to service FIFOs in interrupt driven mode. These values have not been
* tuned!!!
*
* SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(118+2)=400 KHz
*/
#define SDIO_INIT_CLKDIV (118 << SDIO_CLKCR_CLKDIV_SHIFT)
/* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
* DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
# define SDIO_MMCXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
#else
# define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
#endif
/* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
* DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
# define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
#else
# define SDIO_SDXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
#endif
/* LED definitions ******************************************************************/
/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
* way. The following definitions are used to access individual LEDs.
*/
/* LED index values for use with board_userled() */
#define BOARD_LED1 0
#define BOARD_LED2 1
#define BOARD_LED3 2
#define BOARD_LED4 3
#define BOARD_NLEDS 4
#define BOARD_LED_GREEN BOARD_LED1
#define BOARD_LED_ORANGE BOARD_LED2
#define BOARD_LED_RED BOARD_LED3
#define BOARD_LED_BLUE BOARD_LED4
/* LED bits for use with board_userled_all() */
#define BOARD_LED1_BIT (1 << BOARD_LED1)
#define BOARD_LED2_BIT (1 << BOARD_LED2)
#define BOARD_LED3_BIT (1 << BOARD_LED3)
#define BOARD_LED4_BIT (1 << BOARD_LED4)
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 4 LEDs on board the
* stm32f4discovery. The following definitions describe how NuttX controls the LEDs:
*/
#define LED_STARTED 0 /* LED1 */
#define LED_HEAPALLOCATE 1 /* LED2 */
#define LED_IRQSENABLED 2 /* LED1 + LED2 */
#define LED_STACKCREATED 3 /* LED3 */
#define LED_INIRQ 4 /* LED1 + LED3 */
#define LED_SIGNAL 5 /* LED2 + LED3 */
#define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */
#define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */
/* Button definitions ***************************************************************/
/* The STM32F4 Discovery supports one button: */
#define BUTTON_USER 0
#define NUM_BUTTONS 1
#define BUTTON_USER_BIT (1 << BUTTON_USER)
/* Alternate function pin selections ************************************************/
/* CAN */
#ifndef CONFIG_STM32_FSMC
# define GPIO_CAN1_RX GPIO_CAN1_RX_3
# define GPIO_CAN1_TX GPIO_CAN1_TX_3
#endif
#ifndef CONFIG_STM32_ETHMAC
# define GPIO_CAN2_RX GPIO_CAN2_RX_1
# define GPIO_CAN2_TX GPIO_CAN2_TX_1
#endif
/* USART2:
*
* The STM32F4 Discovery has no on-board serial devices, but the console is
* brought out to PA2 (TX) and PA3 (RX) for connection to an external serial
* device. (See the README.txt file for other options)
*
* These pins selections, however, conflict with pin usage on the STM32F4DIS-BB.
*/
#ifndef CONFIG_STM32F4DISBB
# define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3, P1 pin 13 */
# define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA2, P1 pin 14 */
# define GPIO_USART2_CTS GPIO_USART2_CTS_1 /* PA0, P1 pin 11 */
# define GPIO_USART2_RTS GPIO_USART2_RTS_1 /* PA1, P1 pin 12 (conflict with USER button) */
#endif
/* USART3:
*
* Used in pseudoterm configuration and also with the BT860 HCI UART.
* RTS/CTS Flow control support is needed by the HCI UART.
*
* There are conflicts with the STM32F4DIS-BB Ethernet in this configuration
* when Ethernet is enabled:
*
* PB-11 conflicts with Ethernet TXEN
* PB-13 conflicts with Ethernet TXD1
*
* UART3 TXD and RXD are available on CON4 PD8 and PD8 of the STM32F4DIS-BB,
* respectively, but not CTS or RTS. For now we assume that Ethernet is not
* enabled if USART3 is used in a configuration with the STM32F4DIS-BB.
*/
#define GPIO_USART3_TX GPIO_USART3_TX_1 /* PB10, P1 pin 34 (also MP45DT02 CLK_IN) */
#define GPIO_USART3_RX GPIO_USART3_RX_1 /* PB11, P1 pin 35 */
#define GPIO_USART3_CTS GPIO_USART3_CTS_1 /* PB13, P1 pin 37 */
#define GPIO_USART3_RTS GPIO_USART3_RTS_1 /* PB14, P1 pin 38 */
/* USART6:
*
* The STM32F4DIS-BB base board provides RS-232 drivers and a DB9 connector
* for USART6. This is the preferred serial console for use with the STM32F4DIS-BB.
*
* NOTE: CTS and RTS are not brought out to the RS-232 connector on the baseboard.
*/
#define GPIO_USART6_RX GPIO_USART6_RX_1 /* PC7 (also I2S3_MCK and P2 pin 48) */
#define GPIO_USART6_TX GPIO_USART6_TX_1 /* PC6 (also P2 pin 47) */
/* PWM
*
* The STM32F4 Discovery has no real on-board PWM devices, but the board can be
* configured to output a pulse train using TIM4 CH2 on PD13.
*/
#define GPIO_TIM4_CH2OUT GPIO_TIM4_CH2OUT_2
/* RGB LED
*
* R = TIM1 CH1 on PE9 | G = TIM2 CH2 on PA1 | B = TIM3 CH3 on PB0
*/
#define GPIO_TIM1_CH1OUT GPIO_TIM1_CH1OUT_2
#define GPIO_TIM2_CH2OUT GPIO_TIM2_CH2OUT_1
#define GPIO_TIM3_CH3OUT GPIO_TIM3_CH3OUT_1
/* SPI - There is a MEMS device on SPI1 using these pins: */
#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
/* SPI DMA -- As used for I2S DMA transfer with the audio configuration */
#define DMACHAN_SPI1_RX DMAMAP_SPI1_RX_1
#define DMACHAN_SPI1_TX DMAMAP_SPI1_TX_1
/* SPI2 - Test MAX31855 on SPI2 PB10 = SCK, PB14 = MISO */
#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1
#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1
#define GPIO_SPI2_SCK GPIO_SPI2_SCK_1
/* SPI2 DMA -- As used for MMC/SD SPI */
#define DMACHAN_SPI2_RX DMAMAP_SPI2_RX
#define DMACHAN_SPI2_TX DMAMAP_SPI2_TX
/* SPI3 DMA -- As used for I2S DMA transfer with the audio configuration */
#define GPIO_SPI3_MISO GPIO_SPI3_MISO_1
#define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_1
#define GPIO_SPI3_SCK GPIO_SPI3_SCK_1
#define DMACHAN_SPI3_RX DMAMAP_SPI3_RX_1
#define DMACHAN_SPI3_TX DMAMAP_SPI3_TX_1
/* I2S3 - CS43L22 configuration uses I2S3 */
#define GPIO_I2S3_SD GPIO_I2S3_SD_2
#define GPIO_I2S3_CK GPIO_I2S3_CK_2
#define GPIO_I2S3_WS GPIO_I2S3_WS_1
#define DMACHAN_I2S3_RX DMAMAP_SPI3_RX_2
#define DMACHAN_I2S3_TX DMAMAP_SPI3_TX_2
/* I2C. Only I2C1 is available on the stm32f4discovery. I2C1_SCL and I2C1_SDA are
* available on the following pins:
*
* - PB6 is I2C1_SCL
* - PB9 is I2C1_SDA
*/
#define GPIO_I2C1_SCL GPIO_I2C1_SCL_1
#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2
/* Timer Inputs/Outputs (see the README.txt file for options) */
#define GPIO_TIM2_CH1IN GPIO_TIM2_CH1IN_2
#define GPIO_TIM2_CH2IN GPIO_TIM2_CH2IN_1
#define GPIO_TIM8_CH1IN GPIO_TIM8_CH1IN_1
#define GPIO_TIM8_CH2IN GPIO_TIM8_CH2IN_1
/* Ethernet *************************************************************************/
#if defined(CONFIG_STM32F4DISBB) && defined(CONFIG_STM32_ETHMAC)
/* RMII interface to the LAN8720 PHY */
# ifndef CONFIG_STM32_RMII
# error CONFIG_STM32_RMII must be defined
# endif
/* Clocking is provided by an external 25Mhz XTAL */
# ifndef CONFIG_STM32_RMII_EXTCLK
# error CONFIG_STM32_RMII_EXTCLK must be defined
# endif
/* Pin disambiguation */
# define GPIO_ETH_RMII_TX_EN GPIO_ETH_RMII_TX_EN_1
# define GPIO_ETH_RMII_TXD0 GPIO_ETH_RMII_TXD0_1
# define GPIO_ETH_RMII_TXD1 GPIO_ETH_RMII_TXD1_1
# define GPIO_ETH_PPS_OUT GPIO_ETH_PPS_OUT_1
#endif
#ifdef CONFIG_MMCSD_SPI
#define GPIO_MMCSD_NSS (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | \
GPIO_OUTPUT_SET | GPIO_PORTB | GPIO_PIN12)
#define GPIO_MMCSD_NCD (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | \
GPIO_PORTC | GPIO_PIN1)
#endif
/* DMA Channel/Stream Selections ****************************************************/
/* Stream selections are arbitrary for now but might become important in the future
* if we set aside more DMA channels/streams.
*
* SDIO DMA
* DMAMAP_SDIO_1 = Channel 4, Stream 3
* DMAMAP_SDIO_2 = Channel 4, Stream 6
*/
#define DMAMAP_SDIO DMAMAP_SDIO_1
/* ZERO CROSS pin definition */
#define BOARD_ZEROCROSS_GPIO \
(GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTD|GPIO_PIN0)
#endif /* __BOARDS_ARM_STM32_STM32F4DISCOVERY_INCLUDE_BOARD_H */
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