From 1c871cf28a9f18a9488513cf38c56abe3adad7b8 Mon Sep 17 00:00:00 2001 From: patacongo Date: Wed, 11 Jan 2012 13:01:26 +0000 Subject: Add support for the STM32F4-Discovery (from Mike Smith) git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4294 42af7a65-404d-4744-a932-0658087f49c3 --- .../src/stm32f4discovery-internal.h | 125 +++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h (limited to 'nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h') diff --git a/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h b/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h new file mode 100644 index 000000000..8b9ca8d3c --- /dev/null +++ b/nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h @@ -0,0 +1,125 @@ +/**************************************************************************************************** + * configs/stm3240g_eval/src/stm3240g_internal.h + * arch/arm/src/board/stm3240g_internal.n + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H +#define __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H + +/**************************************************************************************************** + * Included Files + ****************************************************************************************************/ + +#include +#include +#include + +/**************************************************************************************************** + * Definitions + ****************************************************************************************************/ +/* Configuration ************************************************************************************/ +/* How many SPI modules does this chip support? */ + +#if STM32_NSPI < 1 +# undef CONFIG_STM32_SPI1 +# undef CONFIG_STM32_SPI2 +# undef CONFIG_STM32_SPI3 +#elif STM32_NSPI < 2 +# undef CONFIG_STM32_SPI2 +# undef CONFIG_STM32_SPI3 +#elif STM32_NSPI < 3 +# undef CONFIG_STM32_SPI3 +#endif + +/* STM32F4 Discovery GPIOs **************************************************************************/ +/* LEDs */ + +#define GPIO_LED1 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\ + GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN12) +#define GPIO_LED2 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\ + GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN13) +#define GPIO_LED3 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\ + GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN14) +#define GPIO_LED4 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\ + GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN15) + +/* BUTTONS -- NOTE that all have EXTI interrupts configured */ + +#define MIN_IRQBUTTON BUTTON_USER +#define MAX_IRQBUTTON BUTTON_USER +#define NUM_IRQBUTTONS 1 + +#define GPIO_BTN_USER (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTA|GPIO_PIN0) + +/* 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 STM3240G_EVAL_PWMTIMER 4 +#define STM3240G_EVAL_PWMCHANNEL 2 + +/* SPI chip selects */ + +#define GPIO_CS_MEMS (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\ + GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN3) + +/**************************************************************************************************** + * Public Types + ****************************************************************************************************/ + +/**************************************************************************************************** + * Public data + ****************************************************************************************************/ + +#ifndef __ASSEMBLY__ + +/**************************************************************************************************** + * Public Functions + ****************************************************************************************************/ + +/**************************************************************************************************** + * Name: stm32_spiinitialize + * + * Description: + * Called to configure SPI chip select GPIO pins for the stm32f4discovery board. + * + ****************************************************************************************************/ + +extern void weak_function stm32_spiinitialize(void); + +#endif /* __ASSEMBLY__ */ +#endif /* __CONFIGS_STM3240G_EVAL_SRC_STM3240G_INTERNAL_H */ + -- cgit v1.2.3