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/************************************************************************************
* configs/stm32f100rc_generic/include/board.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* Freddie Chopin <freddie_chopin@op.pl>
*
* 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 __ARCH_BOARD_BOARD_H
#define __ARCH_BOARD_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
#include "stm32_rcc.h"
#include "stm32.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* On-board crystal frequency is 8MHz (HSE) */
#define STM32_BOARD_XTAL 8000000ul
/* PLL source is HSE / 1, PLL multiplier is 3: PLL output frequency is 8MHz (XTAL) x 3 = 24MHz */
#define STM32_CFGR2_PREDIV1 RCC_CFGR2_PREDIV1d1
#define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC
#define STM32_CFGR_PLLXTPRE 0
#define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx3
#define STM32_PLL_FREQUENCY (3 * STM32_BOARD_XTAL)
/* Use the PLL and set the SYSCLK source to be the PLL */
#define STM32_SYSCLK_SW RCC_CFGR_SW_PLL
#define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL
#define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY
/* AHB clock (HCLK) is SYSCLK (24MHz) */
#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK
#define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY
/* APB2 clock (PCLK2) is HCLK (24MHz) */
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK
#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY
/* APB2 timers (1, 15-17) will receive PCLK2. */
#define STM32_APB2_TIM1_CLKIN STM32_PCLK2_FREQUENCY
#define STM32_APB2_TIM15_CLKIN STM32_PCLK2_FREQUENCY
#define STM32_APB2_TIM16_CLKIN STM32_PCLK2_FREQUENCY
#define STM32_APB2_TIM17_CLKIN STM32_PCLK2_FREQUENCY
/* APB1 clock (PCLK1) is HCLK (24MHz) */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK
#define STM32_PCLK1_FREQUENCY STM32_HCLK_FREQUENCY
/* APB1 timers (2-7, 12-14) will receive PCLK1. */
#define STM32_APB1_TIM2_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM3_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM4_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM5_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM6_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM7_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM12_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM13_CLKIN STM32_PCLK1_FREQUENCY
#define STM32_APB1_TIM14_CLKIN STM32_PCLK1_FREQUENCY
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,15-17 are on APB2, others on APB1 */
#define STM32_TIM18_FREQUENCY STM32_HCLK_FREQUENCY
#define STM32_TIM27_FREQUENCY STM32_HCLK_FREQUENCY
/* LED definitions ******************************************************************/
/* It is assumed that a generic board has 1 LED. Thus only two different states
* can be shown. Statuses defined as "1" will light the LED, the ones defined as
* "0" will turn the LED off. */
#define LED_STARTED 1
#define LED_HEAPALLOCATE 1
#define LED_IRQSENABLED 1
#define LED_STACKCREATED 1
#define LED_INIRQ 1
#define LED_SIGNAL 1
#define LED_ASSERTION 0
#define LED_PANIC 0
/* Button definitions ***************************************************************/
/* It is assumed that a generic board has 1 button. */
#define BUTTON_0 0
#define NUM_BUTTONS 1
#define BUTTON_0_BIT (1 << BUTTON_0)
/************************************************************************************
* 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 /* __ARCH_BOARD_BOARD_H */
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