148 lines
5.7 KiB
C
148 lines
5.7 KiB
C
/************************************************************************************
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* configs/stm32vldiscovery/include/board.h
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*
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* Copyright (C) 2012, 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Freddie Chopin <freddie_chopin@op.pl>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIG_STM32VLDISCOVERY_INCLUDE_BOARD_H
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#define __CONFIG_STM32VLDISCOVERY_INCLUDE_BOARD_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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#include "stm32_rcc.h"
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#include "stm32.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Clocking *************************************************************************/
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/* On-board crystal frequency is 8MHz (HSE) */
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#define STM32_BOARD_XTAL 8000000ul
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/* PLL source is HSE / 1, PLL multiplier is 3: PLL output frequency is 8MHz (XTAL) x 3 = 24MHz */
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#define STM32_CFGR2_PREDIV1 RCC_CFGR2_PREDIV1d1
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#define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC
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#define STM32_CFGR_PLLXTPRE 0
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#define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx3
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#define STM32_PLL_FREQUENCY (3 * STM32_BOARD_XTAL)
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/* Use the PLL and set the SYSCLK source to be the PLL */
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#define STM32_SYSCLK_SW RCC_CFGR_SW_PLL
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#define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL
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#define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY
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/* AHB clock (HCLK) is SYSCLK (24MHz) */
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#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK
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#define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY
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/* APB2 clock (PCLK2) is HCLK (24MHz) */
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#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK
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#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY
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/* APB2 timers (1, 15-17) will receive PCLK2. */
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#define STM32_APB2_TIM1_CLKIN STM32_PCLK2_FREQUENCY
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#define STM32_APB2_TIM15_CLKIN STM32_PCLK2_FREQUENCY
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#define STM32_APB2_TIM16_CLKIN STM32_PCLK2_FREQUENCY
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#define STM32_APB2_TIM17_CLKIN STM32_PCLK2_FREQUENCY
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/* APB1 clock (PCLK1) is HCLK (24MHz) */
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#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK
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#define STM32_PCLK1_FREQUENCY STM32_HCLK_FREQUENCY
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/* APB1 timers (2-7, 12-14) will receive PCLK1. */
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#define STM32_APB1_TIM2_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM3_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM4_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM5_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM6_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM7_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM12_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM13_CLKIN STM32_PCLK1_FREQUENCY
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#define STM32_APB1_TIM14_CLKIN STM32_PCLK1_FREQUENCY
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/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
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* otherwise frequency is 2xAPBx.
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* Note: TIM1,15-17 are on APB2, others on APB1 */
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#define BOARD_TIM1_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM2_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM3_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM4_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM5_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM6_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM7_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM8_FREQUENCY STM32_HCLK_FREQUENCY
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/* LED definitions ******************************************************************/
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/* It is assumed that a generic board has 1 LED. Thus only two different states
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* can be shown. Statuses defined as "1" will light the LED, the ones defined as
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* "0" will turn the LED off. */
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#define LED_STARTED 1
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#define LED_HEAPALLOCATE 1
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#define LED_IRQSENABLED 1
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#define LED_STACKCREATED 1
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#define LED_INIRQ 1
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#define LED_SIGNAL 1
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#define LED_ASSERTION 0
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#define LED_PANIC 0
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/* Button definitions ***************************************************************/
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/* It is assumed that a generic board has 1 button. */
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#define BUTTON_0 0
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#define NUM_BUTTONS 1
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#define BUTTON_0_BIT (1 << BUTTON_0)
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#endif /* __CONFIG_STM32VLDISCOVERY_INCLUDE_BOARD_H */
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