/**************************************************************************** * boards/arm/stm32l4/nucleo-l432kc/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_STM32L4_NUCLEO_L432KC_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32L4_NUCLEO_L432KC_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /* Clocking *****************************************************************/ #if defined(CONFIG_ARCH_CHIP_STM32L432KC) # include #endif /* Do not include STM32L4 header files here */ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* DMA Channel/Stream Selections ********************************************/ /* Stream selections are arbitrary for now but might become important in the * future is we set aside more DMA channels/streams. */ /* Values defined in arch/arm/src/stm32l4/hardware/stm32l4x3xx_dma.h */ #define DMACHAN_SPI1_RX DMACHAN_SPI1_RX_1 /* 2 choices */ #define DMACHAN_SPI1_TX DMACHAN_SPI1_TX_1 /* 2 choices */ /* UART RX DMA configurations */ #define DMACHAN_USART1_RX DMACHAN_USART1_RX_2 /* ADC */ #define ADC1_DMA_CHAN DMACHAN_ADC1_1 /* Analog pin selections ****************************************************/ /* DAC * Default is PA4 (same as ADC, do not use both at the same time) */ #define GPIO_DAC1_OUT GPIO_DAC1_OUT_1 /* Alternate function pin selections ****************************************/ /* USART1: * RXD: PA10 CN9 pin 3, CN10 pin 33 * PB7 CN7 pin 21 * TXD: PA9 CN5 pin 1, CN10 pin 21 * PB6 CN5 pin 3, CN10 pin 17 */ #if defined(CONFIG_ARCH_BOARD_USART1_RX_PA10) # define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */ #elif defined(CONFIG_ARCH_BOARD_USART1_RX_PB7) # define GPIO_USART1_RX GPIO_USART1_RX_2 /* PB7 */ #endif #if defined(CONFIG_ARCH_BOARD_USART1_TX_PA9) # define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */ #elif defined(CONFIG_ARCH_BOARD_USART1_TX_PB6) # define GPIO_USART1_TX GPIO_USART1_TX_2 /* PB6 */ #endif /* USART2: Connected to STLInk Debug via PA2(TX), PA15(RX) */ #if defined(CONFIG_ARCH_BOARD_USART2_RX_PA3) # define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */ #elif defined(CONFIG_ARCH_BOARD_USART2_RX_PA15) # define GPIO_USART2_RX GPIO_USART2_RX_2 /* PA15 */ #endif #define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA2 */ #define GPIO_USART2_RTS GPIO_USART2_RTS_2 #define GPIO_USART2_CTS GPIO_USART2_CTS_2 /* LPUART1 */ #if defined(CONFIG_ARCH_BOARD_LPUART1_RX_PA3) # define GPIO_LPUART1_RX GPIO_LPUART1_RX_1 /* PA3 */ #endif #if defined(CONFIG_ARCH_BOARD_LPUART1_TX_PA2) # define GPIO_LPUART1_TX GPIO_LPUART1_TX_1 /* PA2 */ #endif /* I2C * * On Arduino the I2C bus is available at positions A4 and A5. On the * nucleo-1432kc board the I2C bus pins (PB6 and PB7) are connected to * pins A4 and A5 through the SB16 and SB18 solder bridges. * * If these solder bridges are open, then Arduino D4(PA5) and D5(PA6) * pins are not supported. PA5 and PA6 must be configured as input * floating. * * The optional _GPIO configurations allow the I2C driver to manually * reset the bus to clear stuck slaves. They match the pin configuration, * but are normally-high GPIOs. */ #define GPIO_I2C1_D4 \ (GPIO_INPUT | GPIO_FLOAT | GPIO_PORTB | GPIO_PIN7) #define GPIO_I2C1_D5 \ (GPIO_INPUT | GPIO_FLOAT | GPIO_PORTB | GPIO_PIN6) #define GPIO_I2C1_SCL \ (GPIO_I2C1_SCL_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) #define GPIO_I2C1_SDA \ (GPIO_I2C1_SDA_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) #define GPIO_I2C1_SCL_GPIO \ (GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | \ GPIO_PORTB | GPIO_PIN6) #define GPIO_I2C1_SDA_GPIO \ (GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | \ GPIO_PORTB | GPIO_PIN7) #define GPIO_I2C3_SCL \ (GPIO_I2C3_SCL_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) #define GPIO_I2C3_SDA \ (GPIO_I2C3_SDA_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) /* SPI */ #if 1 /* On Arduino the SPI bus is available at positions D10 (SPI_CS), D11 * (SPI_MOSI), D12 (SPI_MISO), D13 (SPI_SCK). On the nucleo-1432kc board * the SPI bus is available at PA11 (SPI_CS, made by GPIO), PB5 (SPI1_MOSI), * PB4 (SPI1_MISO), PB3 (SPI1_SCK). */ # define GPIO_SPI1_MISO GPIO_SPI1_MISO_3 /* PB4 */ # define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_3 /* PB5 */ # define GPIO_SPI1_SCK GPIO_SPI1_SCK_3 /* PB3 */ #else /* Optionally it is possible to use SPI bus on pins PA5, PA6 and PA7 but this * is incompatible with Arduino nano specification. */ # define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 /* PA6 */ # define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 /* PA7 */ # define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /* PA5 */ #endif /* LEDs * * The Nucleo l432kc board provides a single user LED, LD3. LD3 * is the green LED connected to Arduino signal D13 corresponding to * MCU I/O PB3 (pin 26). * * - When the I/O is HIGH value, the LED is on. * - When the I/O is LOW, the LED is off. */ /* LED index values for use with board_userled() */ #define BOARD_LD3 0 #define BOARD_NLEDS 1 /* LED bits for use with board_userled_all() */ #define BOARD_LD3_BIT (1 << BOARD_LD3) /* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is * defined. In that case, the usage by the board port is defined in * include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related * events as follows when the red LED (PE24) is available: * * SYMBOL Meaning LD3 * ------------------- ----------------------- ----------- * LED_STARTED NuttX has been started OFF * LED_HEAPALLOCATE Heap has been allocated OFF * LED_IRQSENABLED Interrupts enabled OFF * LED_STACKCREATED Idle stack created ON * LED_INIRQ In an interrupt No change * LED_SIGNAL In a signal handler No change * LED_ASSERTION An assertion failed No change * LED_PANIC The system has crashed Blinking * LED_IDLE MCU is is sleep mode Not used * * Thus if LD3 NuttX has successfully booted and is, apparently, running * normally. If LD3 is flashing at approximately 2Hz, then a fatal error * has been detected and the system has halted. */ #define LED_STARTED 0 #define LED_HEAPALLOCATE 0 #define LED_IRQSENABLED 0 #define LED_STACKCREATED 1 #define LED_INIRQ 1 #define LED_SIGNAL 2 #define LED_ASSERTION 2 #define LED_PANIC 1 /* Quadrature encoder * Default is to use timer 5 (32-bit) and encoder on PA0/PA1 */ #define GPIO_TIM2_CH1IN GPIO_TIM2_CH1IN_1 #define GPIO_TIM2_CH2IN GPIO_TIM2_CH2IN_1 #define GPIO_TIM3_CH1IN GPIO_TIM3_CH1IN_3 #define GPIO_TIM3_CH2IN GPIO_TIM3_CH2IN_3 #define GPIO_TIM5_CH1IN GPIO_TIM5_CH1IN_1 #define GPIO_TIM5_CH2IN GPIO_TIM5_CH2IN_1 /* PWM output for full bridge, uses config 1, because port E is N/A on QFP64 * CH1 | 1(A8) 2(E9) * CH2 | 1(A9) 2(E11) * CH3 | 1(A10) 2(E10) * CH4 | 1(A11) 2(E14) * CHN1 | 1(A7) 2(B13) 3(E8) * CHN2 | 1(B0) 2(B14) 3(E10) * CHN3 | 1(B1) 2(B15) 3(E12) */ #define GPIO_TIM1_CH1OUT GPIO_TIM1_CH1OUT_1 #define GPIO_TIM1_CH1NOUT GPIO_TIM1_CH1N_1 #define GPIO_TIM1_CH2OUT GPIO_TIM1_CH2OUT_1 #define GPIO_TIM1_CH2NOUT GPIO_TIM1_CH2N_1 #define GPIO_TIM1_CH3OUT GPIO_TIM1_CH3OUT_1 #define GPIO_TIM1_CH3NOUT GPIO_TIM1_CH3OUT_1 #define GPIO_TIM1_CH4OUT GPIO_TIM1_CH4OUT_1 /* LPTIM2 PWM output * REVISIT : Add support for the other clock sources, LSE, LSI and HSI * * CH1 | 1(A4) 2(A8) */ #if defined(CONFIG_STM32L4_LPTIM2_CLK_APB1) # define STM32L4_LPTIM2_FREQUENCY STM32L4_APB1_LPTIM2_CLKIN #endif #if 1 # define GPIO_LPTIM2_CH1OUT GPIO_LPTIM2_OUT_1 #else # define GPIO_LPTIM2_CH1OUT GPIO_LPTIM2_OUT_2 #endif /**************************************************************************** * Public Data ****************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Function Prototypes ****************************************************************************/ /**************************************************************************** * Name: stm32l4_board_initialize * * Description: * All STM32L4 architectures must provide the following entry point. * This entry point is called early in the initialization -- after all * memory has been configured and mapped but before any devices have been * initialized. * ****************************************************************************/ void stm32l4_board_initialize(void); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __BOARDS_ARM_STM32L4_NUCLEO_L432KC_INCLUDE_BOARD_H */