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nuttx/configs/olimexino-stm32/include/board.h
David Sidrane 05e1f25678 Fix timer input clock definitions
2016-06-09 08:29:55 -06:00

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/************************************************************************************
* configs/olimexino-stm32/include/board.h
*
* Copyright (C) 2015-2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <david_s5@nscdg.com>
*
* 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_OLIMEXINO_STM32_INCLUDE_BOARD_H
#define __CONFIGS_OLIMEXINO_STM32_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"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* HSI - 8 MHz RC factory-trimmed
* LSI - 40 KHz RC (30-60KHz, uncalibrated)
* HSE - On-board crystal frequency is 8MHz
* LSE - 32.768 kHz
*/
#define STM32_BOARD_XTAL 8000000ul
#define STM32_HSI_FREQUENCY 8000000ul
#define STM32_LSI_FREQUENCY 40000
#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL
#define STM32_LSE_FREQUENCY 32768
/* PLL source is HSE/1, PLL multipler is 9: PLL frequency is 8MHz (XTAL) x 9 = 72MHz */
#define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC
#define STM32_CFGR_PLLXTPRE 0
#define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx9
#define STM32_PLL_FREQUENCY (9*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 (72MHz) */
#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK
#define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY
#define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY /* same as above, to satisfy compiler */
/* APB2 clock (PCLK2) is HCLK (72MHz) */
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK
#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY
/* APB2 timers 1 and 8 will receive PCLK2. */
#define STM32_APB2_TIM1_CLKIN (STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM8_CLKIN (STM32_PCLK2_FREQUENCY)
/* APB1 clock (PCLK1) is HCLK/2 (36MHz) */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2
#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2)
/* APB1 timers 2-7 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)
/* USB divider -- Divide PLL clock by 1.5 */
#define STM32_CFGR_USBPRE 0
/* 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
#define BOARD_TIM3_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM4_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM5_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM6_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM7_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM8_FREQUENCY STM32_HCLK_FREQUENCY
/* Buttons *************************************************************************/
#define BUTTON_BOOT0_BIT (0)
#define BUTTON_BOOT0_MASK (1<<BUTTON_BOOT0_BIT)
/* Leds *************************************************************************/
/* LED index values for use with board_userled() */
#define BOARD_LED1 0
#define BOARD_LED_GREEN BOARD_LED1
#define BOARD_LED2 1
#define BOARD_LED_YELLOW BOARD_LED2
#define BOARD_NLEDS 2
/* LED bits for use with board_userled_all() */
#define BOARD_LED_GREEN_BIT (1 << BOARD_LED_GREEN)
#define BOARD_LED_YELLOW_BIT (1 << BOARD_LED_YELLOW)
/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is as follows:
*
* SYMBOL Meaning LED state
* Green Yellow
* ------------------------ -------------------------- ------ ------ */
#define LED_STARTED 0 /* NuttX has been started OFF OFF */
#define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF OFF */
#define LED_IRQSENABLED 2 /* Interrupts enabled OFF OFF */
#define LED_STACKCREATED 3 /* Idle stack created ON OFF */
#define LED_INIRQ 4 /* In an interrupt N/C ON */
#define LED_SIGNAL 5 /* In a signal handler N/C ON */
#define LED_ASSERTION 6 /* An assertion failed N/C ON */
#define LED_PANIC 7 /* The system has crashed N/C Blinking */
#define LED_IDLE 8 /* MCU is is sleep mode OFF N/C */
/* Thus if the Green is statically on, NuttX has successfully booted and is,
* apparently, running normally. If the YellowLED is flashing at
* approximately 2Hz, then a fatal error has been detected and the system
* has halted.
*
* NOTE: That the Yellow is not used after completion of booting and may
* be used by other board-specific logic.
*/
/************************************************************************************
* 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 initialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
void stm32_boardinitialize(void);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_OLIMEXINO_STM32_INCLUDE_BOARD_H */
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