/**************************************************************************** * boards/arm/stm32/stm32f3discovery/include/board.h * * 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_STM32F3DISCOVERY_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32_STM32F3DISCOVERY_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif #include "stm32_rcc.h" #include "stm32.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* HSI - Internal 8 MHz RC Oscillator * LSI - 32 KHz RC * HSE - On-board crystal frequency is 8MHz * LSE - 32.768 kHz */ #define STM32_BOARD_XTAL 8000000ul /* X1 on board */ #define STM32_HSI_FREQUENCY 8000000ul #define STM32_LSI_FREQUENCY 40000 /* Between 30kHz and 60kHz */ #define STM32_HSE_FREQUENCY STM32_BOARD_XTAL #define STM32_LSE_FREQUENCY 32768 /* X2 on board */ /* 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 /* APB2 clock (PCLK2) is HCLK (72MHz) */ #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK #define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY #define STM32_APB2_CLKIN (STM32_PCLK2_FREQUENCY) /* Timers 1 and 8, 15-17 */ /* APB2 timers 1 and 8, 15-17 will receive PCLK2. */ /* Timers driven from APB2 will be PCLK2 */ #define STM32_APB2_TIM1_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM8_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB1_TIM15_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB1_TIM16_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB1_TIM17_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_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 / 2) #define BOARD_TIM3_FREQUENCY (STM32_HCLK_FREQUENCY / 2) #define BOARD_TIM4_FREQUENCY (STM32_HCLK_FREQUENCY / 2) #define BOARD_TIM5_FREQUENCY (STM32_HCLK_FREQUENCY / 2) #define BOARD_TIM6_FREQUENCY (STM32_HCLK_FREQUENCY / 2) #define BOARD_TIM7_FREQUENCY (STM32_HCLK_FREQUENCY / 2) #define BOARD_TIM8_FREQUENCY STM32_HCLK_FREQUENCY /* LED definitions **********************************************************/ /* The STM32F3Discovery board has ten LEDs. Two of these are controlled by * logic on the board and are not available for software control: * * LD1 PWR: red LED indicates that the board is powered. * LD2 COM: LD2 default status is red. LD2 turns to green to indicate that * communications are in progress between the PC and the * ST-LINK/V2. * * And eight can be controlled by software: * * User LEDs connected to the I/O of the STM32F303VCT6. * User LD3: red LED is a user LED connected to the PE9 I/O. * User LD4: blue LED is a user LED connected to the PE8 I/O. * User LD5: orange LED is a user LED connected to the PE10 I/O. * User LD6: green LED is a user LED connected to the PE15 I/O. * User LD7: green LED is a user LED connected to the PE11 I/O. * User LD8: orange LED is a user LED connected to the PE14 I/O. * User LD9: blue LED is a user LED connected to the PE12 I/O. * User LD10: red LED is a user LED connected to the PE13 I/O. * * 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 /* User LD3 */ #define BOARD_LED2 1 /* User LD4 */ #define BOARD_LED3 2 /* User LD5 */ #define BOARD_LED4 3 /* User LD6 */ #define BOARD_LED5 4 /* User LD7 */ #define BOARD_LED6 5 /* User LD8 */ #define BOARD_LED7 6 /* User LD9 */ #define BOARD_LED8 7 /* User LD10 */ #define BOARD_NLEDS 8 /* 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) #define BOARD_LED5_BIT (1 << BOARD_LED5) #define BOARD_LED6_BIT (1 << BOARD_LED6) #define BOARD_LED7_BIT (1 << BOARD_LED7) #define BOARD_LED8_BIT (1 << BOARD_LED8) /* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 8 LEDs on * board the stm32f3discovery. * The following definitions describe how NuttX controls the LEDs: * * SYMBOL Meaning LED state * Initially all LEDs are OFF * ------------------- ----------------------- ------------- ------------ * LED_STARTED NuttX has been started LD3 ON * LED_HEAPALLOCATE Heap has been allocated LD4 ON * LED_IRQSENABLED Interrupts enabled LD4 ON * LED_STACKCREATED Idle stack created LD6 ON * LED_INIRQ In an interrupt LD7 should glow * LED_SIGNAL In a signal handler LD8 might glow * LED_ASSERTION An assertion failed LD9 ON while handling * the assertion * LED_PANIC The system has crashed LD10 Blinking at 2Hz * LED_IDLE STM32 is is sleep mode (Optional, not used) */ #define LED_STARTED 0 #define LED_HEAPALLOCATE 1 #define LED_IRQSENABLED 2 #define LED_STACKCREATED 3 #define LED_INIRQ 4 #define LED_SIGNAL 5 #define LED_ASSERTION 6 #define LED_PANIC 7 /* Button definitions *******************************************************/ /* The STM32F3Discovery supports two buttons; only one button is controllable * by software: * * B1 USER: * user and wake-up button connected to the I/O PA0 of the * STM32F303VCT6. * B2 RESET: * pushbutton connected to NRST is used to RESET the STM32F303VCT6. */ #define BUTTON_USER 0 #define NUM_BUTTONS 1 #define BUTTON_USER_BIT (1 << BUTTON_USER) /* Alternate function pin selections ****************************************/ /* USART * * USART1: Hardwired to embedded STLinkV2 hardware debugger * RX (PC5) * TX (PC4) * * USART2: * Connect to an external UART<->RS232 transceiver for use as console. * RX (PA3) * TX (PA2) */ #define GPIO_USART2_RX GPIO_USART2_RX_2 #define GPIO_USART2_TX GPIO_USART2_TX_2 /* SPI * * SPI1: Hardwired to ST L3GD20 MEMS device * MISO (PA6) * MSOI (PA7) * SCK (PA5) */ #define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 #define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 #define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /* I2C * * I2C1: Accessible via expansion headers * SCL (PA15) * SDA (PA14) * SMBA (PB5) * * I2C2: Accessible via expansion headers * SCL (PA9) * SDA (PA10) * SMBA (PB12) */ #ifdef CONFIG_STM32_I2C1 #define GPIO_I2C1_SCL GPIO_I2C1_SCL_1 #define GPIO_I2C1_SDA GPIO_I2C1_SDA_1 #endif #ifdef CONFIG_STM32_I2C2 #define GPIO_I2C2_SCL GPIO_I2C2_SCL_1 #define GPIO_I2C2_SDA GPIO_I2C2_SDA_1 #endif #endif /* __BOARDS_ARM_STM32_STM32F3DISCOVERY_INCLUDE_BOARD_H */