| /**************************************************************************** |
| * boards/arm/stm32/stm32butterfly2/include/board.h |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __BOARDS_ARM_STM32_STM32_BUTTERFLY2_INCLUDE_BOARD_H |
| #define __BOARDS_ARM_STM32_STM32_BUTTERFLY2_INCLUDE_BOARD_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #ifndef __ASSEMBLY__ |
| # include <stdint.h> |
| #endif |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Clocking *****************************************************************/ |
| |
| /* HSI - 8 MHz RC factory-trimmed |
| * LSI - 40 KHz RC (30-60KHz, uncalibrated) |
| * HSE - On-board crystal frequency is 14.7456MHz |
| * LSE - LSE is not connected |
| */ |
| |
| #define STM32_BOARD_XTAL 14745600ul |
| |
| #define STM32_HSI_FREQUENCY 8000000ul |
| #define STM32_LSI_FREQUENCY 40000u |
| #define STM32_HSE_FREQUENCY STM32_BOARD_XTAL |
| #define STM32_LSE_FREQUENCY 0 |
| |
| /* PLL output is 71.8848MHz */ |
| |
| #define STM32_PLL_PREDIV2 RCC_CFGR2_PREDIV2d4 |
| #define STM32_PLL_PLL2MUL RCC_CFGR2_PLL2MULx12 |
| #define STM32_PLL_PREDIV1 RCC_CFGR2_PREDIV1d4 |
| #define STM32_PLL_PLLMUL RCC_CFGR_PLLMUL_CLKx65 |
| #define STM32_PLL_FREQUENCY 71884800ul |
| |
| /* SYSCLK and HCLK adre the PLL frequency */ |
| |
| #define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY |
| #define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY |
| |
| /* USB clock output is 47.9232MHz */ |
| |
| #define STM32_CFGR_OTGFSPRE RCC_CFGR_OTGFSPREd3 |
| |
| /* APB2 clock (PCLK2) is HCLK */ |
| |
| #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK |
| #define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY |
| #define STM32_APB2_CLKIN STM32_PCLK2_FREQUENCY |
| |
| #define STM32APB_TIM1_CLKIN STM32_PCLK2_FREQUENCY |
| |
| /* APB1 clock (PCLK1) is HCLK/2 (35.9424MHz) */ |
| |
| #define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2 |
| #define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2) |
| |
| #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) |
| |
| /* LED definitions **********************************************************/ |
| |
| /* There are four LEDs on stm32butterfly2 board that can be controlled by |
| * software. |
| * All pulled high and van be illuminated by driving the output low. |
| * |
| * LED1 PB0 |
| * LED2 PB1 |
| * LED3 PC4 |
| * LED4 PC5 |
| */ |
| |
| /* LED index values for use with board_userled() */ |
| |
| #define BOARD_LED1 0 |
| #define BOARD_LED2 1 |
| #define BOARD_LED3 2 |
| #define BOARD_LED4 3 |
| #define BOARD_NLEDS 4 |
| |
| /* 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) |
| #define BOARD_LED4_BIT (1 << BOARD_LED4) |
| |
| /* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is |
| * defined. In thath case, 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 Val Meaning LED state |
| * LED1 LED2 LED3 LED4 |
| * ----------------- --- ----------------------- ---- ---- ---- ---- |
| */ |
| |
| #define LED_STARTED 0 /* NuttX has been started ON OFF OFF OFF */ |
| #define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF ON OFF OFF */ |
| #define LED_IRQSENABLED 2 /* Interrupts enabled OFF OFF ON OFF */ |
| #define LED_STACKCREATED 3 /* Idle stack created OFF OFF OFF ON */ |
| #define LED_INIRQ 5 /* In an interrupt N/C N/C N/C GLOW */ |
| #define LED_SIGNAL 6 /* In a signal handler N/C N/C N/C GLOW */ |
| #define LED_ASSERTION 7 /* An assertion failed N/C N/C N/C GLOW */ |
| #define LED_PANIC 8 /* The system has crashed N/C N/C N/C FLASH */ |
| #undef LED_IDLE /* MCU is is sleep mode Not used */ |
| |
| /* After booting, LED1-3 are not longer used by the system and can be used |
| * for other purposes by the application (Of course, all LEDs are available |
| * to the application if CONFIG_ARCH_LEDS is not defined. |
| */ |
| |
| /* ADC configuration. Right now only ADC12_IN10 is supported |
| * (potentiometer) |
| */ |
| |
| #ifdef CONFIG_STM32_ADC2 |
| # error "CONFIG_STM32_ADC2 is not supported" |
| #endif |
| |
| /* SPI configuration. Only SPI1 is supported */ |
| |
| #ifdef CONFIG_STM32_SPI2 |
| # error "CONFIG_STM32_SPI2 is not supported" |
| #endif |
| |
| #endif /* __BOARDS_ARM_STM32_STM32_BUTTERFLY2_INCLUDE_BOARD_H */ |
