/************************************************************************************ * configs/stm32f3discovery/include/board.h * include/arch/board/board.h * * Copyright (C) 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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_STM32F3DISCOVERY_INCLUDE_BOARD_H #define __CONFIG_STM32F3DISCOVERY_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif #include "stm32_rcc.h" #include "stm32.h" /************************************************************************************ * 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 #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 #define STM32_APB2_CLKIN (STM32_PCLK2_FREQUENCY) /* Timers 2-7, 12-14 */ /* APB2 timers 1 and 8 will receive 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 2-4 will be twice PCLK1 (REVISIT) */ #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 (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM7_CLKIN (STM32_PCLK1_FREQUENCY) /* USB divider -- Divide PLL clock by 1.5 */ #define STM32_CFGR_USBPRE 0 /* Timers driven from APB1 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) #define STM32_APB1_TIM12_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM13_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM14_CLKIN (2*STM32_PCLK1_FREQUENCY) /* APB2 clock (PCLK2) is HCLK/2 (84MHz) */ #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLKd2 /* PCLK2 = HCLK / 2 */ #define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/2) /* Timers driven from APB2 will be twice PCLK2 */ #define STM32_APB2_TIM1_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM8_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM9_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM10_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM11_CLKIN (2*STM32_PCLK2_FREQUENCY) /* 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 STM32_TIM18_FREQUENCY STM32_HCLK_FREQUENCY #define STM32_TIM27_FREQUENCY (STM32_HCLK_FREQUENCY/2) /* 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 LD3: red LED is a user LED connected to the I/O PE9 of the STM32F303VCT6. * User LD4: blue LED is a user LED connected to the I/O PE8 of the STM32F303VCT6. * User LD5: orange LED is a user LED connected to the I/O PE10 of the STM32F303VCT6. * User LD6: green LED is a user LED connected to the I/O PE15 of the STM32F303VCT6. * User LD7: green LED is a user LED connected to the I/O PE11 of the STM32F303VCT6. * User LD8: orange LED is a user LED connected to the I/O PE14 of the STM32F303VCT6. * User LD9: blue LED is a user LED connected to the I/O PE12 of the STM32F303VCT6. * User LD10: red LED is a user LED connected to the I/O PE13 of the STM32F303VCT6. * * 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 stm32_setled() */ #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 stm32_setleds() */ #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 ************************************************/ /* UART2: * * The STM32F3Discovery has no on-board serial devices, but the console is * brought out to PA2 (TX) and PA3 (RX) for connection to an external serial device. * (See the README.txt file for other options) */ #define GPIO_USART2_RX GPIO_USART2_RX_2 #define GPIO_USART2_TX GPIO_USART2_TX_2 /* SPI - There is a ST MEMS L3GD20 device on SPI1 using these pins: */ #define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 #define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 #define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /************************************************************************************ * 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 /* __CONFIG_STM32F3DISCOVERY_INCLUDE_BOARD_H */