/**************************************************************************** * boards/arm/stm32l4/stm32l4r9ai-disco/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_STM32L4R9AI_DISCO_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32L4_STM32L4R9AI_DISCO_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /* Do not include STM32 L4 header files here */ /* Clocking *****************************************************************/ #include /**************************************************************************** * 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/stm32l4x6xx_dma.h */ /* XXX are these used on disco? */ #if 0 #define DMACHAN_SDMMC DMACHAN_SDMMC_1 /* 2 choices */ #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 #endif /* ADC measurements * * Some of the choices are: * ADC1_IN9 (PA4) connected to STMod+ connector CN1 pin 13. * ADC1_IN12 (PA7) connected to Arduino A0. */ #define ADC1_MEASURE_CHANNEL 12 #define GPIO_MEASURE_ADC (GPIO_ADC1_IN12) /* Alternate function pin selections ****************************************/ /* USART1: * RXD: PB7 * TXD: PA6 * * these pins are shared with the I2C1, which is used for some onboard * devices, so I am disabling USART1, however I'm leaving the declarations * here for documentation for anyone who might want to use it instead of * those onboard devices. */ #if 0 #define GPIO_USART1_RX GPIO_USART1_RX_2 / * PB7 * / #define GPIO_USART1_TX GPIO_USART1_TX_2 / * PB6 * / #endif /* USART2: Connected to STLink Debug via PD5, PD6 * RXD: PD6 * TXD: PD5 */ #define GPIO_USART2_RX GPIO_USART2_RX_2 /* PD6 */ #define GPIO_USART2_TX GPIO_USART2_TX_2 /* PD5 */ /* UART4: Connected to PA0, PA1 * RXD: PA1 -> CN11 D5 * TXD: PA0 -> CN17 A4 */ #define GPIO_UART4_RX GPIO_UART4_RX_1 /* PA1 */ #define GPIO_UART4_TX GPIO_UART4_TX_1 /* PA0 */ /* I2C * * 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. * * I2C1 connects to devices on the Discovery board, including the * CS43L22 (addr 0x94) stereo DAC and amplifier. It shares the * pins with USART1, so that port is disabled so we can access the * onboard device. * */ #define GPIO_I2C1_SCL (GPIO_I2C1_SCL_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET) #define GPIO_I2C1_SDA (GPIO_I2C1_SDA_3|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_PORTG|GPIO_PIN13) /* XXX Is I2C2 used on Disco? */ /* I2C3 connects to Arduino Uno V3 connector pins * D15 (I2C3_SCL) and D14 (I2C3_SDA). */ #define GPIO_I2C3_SCL (GPIO_I2C3_SCL_2|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET) #define GPIO_I2C3_SDA (GPIO_I2C3_SDA_2|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET) #define GPIO_I2C3_SCL_GPIO \ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN7) #define GPIO_I2C3_SDA_GPIO \ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN8) /* XXX Is I2C4 used on Disco? */ /* SPI */ /* XXX is SPI1 used on Disco? */ #define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 #define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 #define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /* SPI2 connects to Arduino Uno V3 connector pins D10-D13, * also to DSI display. */ #define GPIO_SPI2_MISO GPIO_SPI2_MISO_1 #define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1 #define GPIO_SPI2_SCK GPIO_SPI2_SCK_1 /* XXX is SPI3 used on Disco? */ #if 0 #define GPIO_SPI3_MISO GPIO_SPI3_MISO_3 #define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_3 #define GPIO_SPI3_SCK GPIO_SPI3_SCK_3 #endif /* DFSDM1 * * DFSDM is connected to two MEMS microphones (MP34DT01) by default. * PC2 -> CKOUT * PB12 -> DATIN1 * PH2 -> MIC_VDD GPIO */ #define GPIO_DFSDM_DATIN1 GPIO_DFSDM_DATIN1_1 #define GPIO_DFSDM_CKOUT GPIO_DFSDM_CKOUT_1 #define GPIO_MIC_VDD (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_2MHz | \ GPIO_OUTPUT_CLEAR | GPIO_PORTH | GPIO_PIN2) /* LEDs * * The STM32L4R9AI-DISCO board provides two user LEDs, * LD1 (orange) and LD2 (green). * * PB0 is LD1 (orange) * PH4 is LD2 (green) * - 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_LED_RED 0 #define BOARD_LED_GRN 1 #define BOARD_NLEDS 2 /* LED bits for use with board_userled_all() */ #define BOARD_LED_RED_BIT (1 << BOARD_LED_RED) #define BOARD_LED_GRN_BIT (1 << BOARD_LED_GRN) /* 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/stm32_autoleds.c. The LEDs are used to encode * OS-related events as follows when the red and green LEDs are available: * * SYMBOL Meaning BOARD_LED_GRN BOARD_LED_RED * ------------------- --------------------- ----------- ------------ * LED_STARTED NuttX has been started * LED_HEAPALLOCATE Heap has been allocated * LED_IRQSENABLED Interrupts enabled * LED_STACKCREATED Idle stack created * LED_INIRQ In an interrupt * LED_SIGNAL In a signal handler * LED_ASSERTION An assertion failed * LED_PANIC The system has crashed Blinking * LED_IDLE MCU is is sleep mode ON * * Thus if BOARD_LED_GRN, NuttX has successfully booted and is, apparently, * running normally. If BOARD_LED_RED is flashing at approximately 2Hz, then * a fatal error has been detected and the system has halted. */ #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 #define LED_IDLE 8 /* Buttons * * There is a 4 way d-pad 'joystick' with center button * connected to PA0,1,5,2,3 * C L D R U */ #define BUTTON_CENTER 0 #define BUTTON_LEFT 1 #define BUTTON_DOWN 2 #define BUTTON_RIGHT 3 #define BUTTON_UP 4 #define NUM_BUTTONS 5 #define BUTTON_CENTER_BIT (1 << BUTTON_CENTER) #define BUTTON_LEFT_BIT (1 << BUTTON_LEFT) #define BUTTON_DOWN_BIT (1 << BUTTON_DOWN) #define BUTTON_RIGHT_BIT (1 << BUTTON_RIGHT) #define BUTTON_UP_BIT (1 << BUTTON_UP) /**************************************************************************** * 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_STM32L4R9AI_DISCO_INCLUDE_BOARD_H */