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Diffstat (limited to 'nuttx-configs/px4-stm32f4discovery/include/board.h')
-rw-r--r-- | nuttx-configs/px4-stm32f4discovery/include/board.h | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/nuttx-configs/px4-stm32f4discovery/include/board.h b/nuttx-configs/px4-stm32f4discovery/include/board.h new file mode 100644 index 000000000..0412c3aa6 --- /dev/null +++ b/nuttx-configs/px4-stm32f4discovery/include/board.h @@ -0,0 +1,273 @@ +/************************************************************************************ + * configs/stm32f4discovery/include/board.h + * include/arch/board/board.h + * + * Copyright (C) 2012 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 __CONFIG_PX4FMU_V1_INCLUDE_BOARD_H +#define __CONFIG_PX4FMU_V1_INCLUDE_BOARD_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +#ifndef __ASSEMBLY__ +# include <stdint.h> +#endif + +#include "stm32_rcc.h" +#include "stm32_sdio.h" +#include "stm32.h" + +/************************************************************************************ + * 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 STM32_TIM18_FREQUENCY (2*STM32_PCLK2_FREQUENCY) +#define STM32_TIM27_FREQUENCY (2*STM32_PCLK1_FREQUENCY) + +/* 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 stm32_setled() */ + +#define BOARD_LED1 0 +#define BOARD_LED2 1 +#define BOARD_NLEDS 2 + +#define BOARD_LED_BLUE BOARD_LED1 +#define BOARD_LED_RED BOARD_LED2 + +/* LED bits for use with stm32_setleds() */ + +#define BOARD_LED1_BIT (1 << BOARD_LED1) +#define BOARD_LED2_BIT (1 << BOARD_LED2) + +/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 2 LEDs on board the + * px4fmu-v1. The following definitions describe how NuttX controls the LEDs: + */ + +#define LED_STARTED 0 /* LED1 */ +#define LED_HEAPALLOCATE 1 /* LED2 */ +#define LED_IRQSENABLED 2 /* LED1 */ +#define LED_STACKCREATED 3 /* LED1 + LED2 */ +#define LED_INIRQ 4 /* LED1 */ +#define LED_SIGNAL 5 /* LED2 */ +#define LED_ASSERTION 6 /* LED1 + LED2 */ +#define LED_PANIC 7 /* LED1 + LED2 */ + +/* Alternate function pin selections ************************************************/ + +/* UART2: + * + * 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) + */ + +#define GPIO_USART2_RX GPIO_USART2_RX_1 +#define GPIO_USART2_TX GPIO_USART2_TX_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 + +/* + * I2C + * + * The optional _GPIO configurations allow the I2C driver to manually + * reset the bus to clear stuck slaves. They match the pin configuration, + * but are normally-high GPIOs. + */ +#define GPIO_I2C1_SCL GPIO_I2C1_SCL_1 +#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 +#define GPIO_I2C1_SCL_GPIO (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN6) +#define GPIO_I2C1_SDA_GPIO (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN9) + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ +/************************************************************************************ + * Name: stm32_boardinitialize + * + * Description: + * All STM32 architectures must provide the following entry point. This entry point + * is called early in the intitialization -- after all memory has been configured + * and mapped but before any devices have been initialized. + * + ************************************************************************************/ + +EXTERN void stm32_boardinitialize(void); + +/************************************************************************************ + * Name: stm32_ledinit, stm32_setled, and stm32_setleds + * + * Description: + * If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If + * CONFIG_ARCH_LEDS is not defined, then the following interfacesare available to + * control the LEDs from user applications. + * + ************************************************************************************/ + +#ifndef CONFIG_ARCH_LEDS +EXTERN void stm32_ledinit(void); +EXTERN void stm32_setled(int led, bool ledon); +EXTERN void stm32_setleds(uint8_t ledset); +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __CONFIG_PX4FMU_V1_INCLUDE_BOARD_H */ |