/**************************************************************************** * configs/nucleo-f207zg/include/board.h * include/arch/board/board.h * * Copyright (C) 2018 Gregory Nutt. All rights reserved. * Author: Mateusz Szafoni * * 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_NUCLEOF207ZG_INCLUDE_BOARD_H #define __CONFIG_NUCLEOF207ZG_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include # include #endif #ifdef __KERNEL__ # include "stm32.h" #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* HSI - 16 MHz RC factory-trimmed * LSI - 32 KHz RC * HSE - 8 MHz from MCO output of ST-LINK * 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 /* X2 on board */ /* Main PLL Configuration. * * Formulae: * * VCO input frequency = PLL input clock frequency / PLLM, 2 <= PLLM <= 63 * VCO output frequency = VCO input frequency × PLLN, 50 <= PLLN <= 432 * PLL output clock frequency = VCO frequency / PLLP, PLLP = 2, 4, 6, or 8 * USB OTG FS clock frequency = VCO frequency / PLLQ, 2 <= PLLQ <= 15 * * We will configure like this * * PLL source is HSE * PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN * = (8,000,000 / 2) * 100 * = 400,000,000 * SYSCLK = PLL_VCO / PLLP * = 400,000,000 / 4 = 100,000,000 * RNG Clock * = PLL_VCO / PLLQ * = 400,000,000 / 8 = 50,000,000 * */ #define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(2) #define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(100) #define STM32_PLLCFG_PLLP RCC_PLLCFG_PLLP_4 #define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(8) #define STM32_SYSCLK_FREQUENCY 100000000ul /* AHB clock (HCLK) is SYSCLK (100MHz) */ #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/2 (50MHz) */ #define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2 /* PCLK1 = HCLK / 2 */ #define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2) /* Timers driven from APB1 will be twice PCLK1 */ /* REVISIT */ #define STM32_APB1_TIM5_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY) /* APB2 clock (PCLK2) is HCLK (100MHz) */ #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK /* PCLK2 = HCLK */ #define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY) /* TODO: Timers */ /* LED definitions **********************************************************/ /* The Nucleo-144 board has numerous LEDs but only three, LD1 a Green LED, LD2 a Blue * LED and LD3 a Red LED, that can be controlled by software. The following * definitions assume the default Solder Bridges are installed. * * 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 board_userled() */ #define BOARD_LED1 0 #define BOARD_LED2 1 #define BOARD_LED3 2 #define BOARD_NLEDS 3 #define BOARD_LED_GREEN BOARD_LED1 #define BOARD_LED_BLUE BOARD_LED2 #define BOARD_LED_RED BOARD_LED3 /* LED bits for use with board_userled_all() */ #define BOARD_LED1_BIT (1 << BOARD_LED1) #define BOARD_LED2_BIT (1 << BOARD_LED2) #define BOARD_LED3_BIT (1 << BOARD_LED3) /* If CONFIG_ARCH_LEDS is defined, the usage by the board port is defined in * include/board.h and src/stm32_leds.c. The LEDs are used to encode OS-related * events as follows: * * * SYMBOL Meaning LED state * Red Green Blue * ---------------------- -------------------------- ------ ------ ----*/ #define LED_STARTED 0 /* NuttX has been started OFF OFF OFF */ #define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF OFF ON */ #define LED_IRQSENABLED 2 /* Interrupts enabled OFF ON OFF */ #define LED_STACKCREATED 3 /* Idle stack created OFF ON ON */ #define LED_INIRQ 4 /* In an interrupt N/C N/C GLOW */ #define LED_SIGNAL 5 /* In a signal handler N/C GLOW N/C */ #define LED_ASSERTION 6 /* An assertion failed GLOW N/C GLOW */ #define LED_PANIC 7 /* The system has crashed Blink OFF N/C */ #define LED_IDLE 8 /* MCU is is sleep mode ON OFF OFF */ /* Button definitions *******************************************************/ /* The NUCLEO board supports one button: Pushbutton B1, labeled "User", is * connected to GPIO PC13. A high value will be sensed when the button is depressed. */ #define BUTTON_USER 0 #define NUM_BUTTONS 1 #define BUTTON_USER_BIT (1 << BUTTON_USER) /* Alternate function pin selections ****************************************/ /* USART3 (Nucleo Virtual Console) */ #define GPIO_USART3_RX GPIO_USART3_RX_3 /* PD9 */ #define GPIO_USART3_TX GPIO_USART3_TX_3 /* PD8 */ #endif /* __CONFIG_NUCLEO_F207ZG_INCLUDE_BOARD_H */