/**************************************************************************** * boards/arm/stm32/nucleo-f303ze/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_NUCLEO_F303ZE_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32_NUCLEO_F303ZE_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include # include #endif #ifdef __KERNEL__ # include "stm32.h" #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* HSI - Internal 8 MHz RC Oscillator * LSI - 32 KHz RC * HSE - 8 MHz from MCO output of ST-LINK * LSE - 32.768 kHz */ #define STM32_BOARD_XTAL 8000000ul /* X1 on board */ #define STM32_HSEBYP_ENABLE #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_SYSCLK_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 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 */ /* I2C1 Use Nucleo I2C1 pins */ #define GPIO_I2C1_SCL GPIO_I2C1_SCL_3 /* PB8 - D15 */ #define GPIO_I2C1_SDA GPIO_I2C1_SDA_3 /* PB9 - D14 */ /* I2C2 Use Nucleo I2C2 pins */ #define GPIO_I2C2_SCL GPIO_I2C2_SCL_2 /* PF1 - D69 */ #define GPIO_I2C2_SDA GPIO_I2C2_SDA_2 /* PF0 - D68 */ #define GPIO_I2C2_SMBA GPIO_I2C2_SMBA_2 /* PF2 - D70 */ /* DMA **********************************************************************/ #define ADC1_DMA_CHAN DMACHAN_ADC1 #define ADC3_DMA_CHAN DMACHAN_ADC3 #endif /* __BOARDS_ARM_STM32_NUCLEO_F303ZE_INCLUDE_BOARD_H */