295 lines
9.2 KiB
C
295 lines
9.2 KiB
C
/****************************************************************************
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* boards/arm/stm32l4/stm32l4r9ai-disco/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_STM32L4_STM32L4R9AI_DISCO_INCLUDE_BOARD_H
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#define __BOARDS_ARM_STM32L4_STM32L4R9AI_DISCO_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/* Do not include STM32 L4 header files here */
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/* Clocking *****************************************************************/
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#include <arch/board/stm32l4r9ai-disco-clocking.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* DMA Channel/Stream Selections ********************************************/
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/* Stream selections are arbitrary for now but might become important in the
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* future is we set aside more DMA channels/streams.
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*/
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/* Values defined in arch/arm/src/stm32l4/hardware/stm32l4x6xx_dma.h */
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/* XXX are these used on disco? */
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#if 0
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#define DMACHAN_SDMMC DMACHAN_SDMMC_1 /* 2 choices */
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#define DMACHAN_SPI1_RX DMACHAN_SPI1_RX_1 /* 2 choices */
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#define DMACHAN_SPI1_TX DMACHAN_SPI1_TX_1 /* 2 choices */
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/* UART RX DMA configurations */
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#define DMACHAN_USART1_RX DMACHAN_USART1_RX_2
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#endif
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/* ADC measurements
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*
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* Some of the choices are:
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* ADC1_IN9 (PA4) connected to STMod+ connector CN1 pin 13.
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* ADC1_IN12 (PA7) connected to Arduino A0.
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*/
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#define ADC1_MEASURE_CHANNEL 12
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#define GPIO_MEASURE_ADC (GPIO_ADC1_IN12)
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/* Alternate function pin selections ****************************************/
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/* USART1:
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* RXD: PB7
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* TXD: PA6
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*
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* these pins are shared with the I2C1, which is used for some onboard
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* devices, so I am disabling USART1, however I'm leaving the declarations
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* here for documentation for anyone who might want to use it instead of
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* those onboard devices.
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*/
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#if 0
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#define GPIO_USART1_RX GPIO_USART1_RX_2 / * PB7 * /
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#define GPIO_USART1_TX GPIO_USART1_TX_2 / * PB6 * /
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#endif
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/* USART2: Connected to STLink Debug via PD5, PD6
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* RXD: PD6
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* TXD: PD5
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*/
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#define GPIO_USART2_RX GPIO_USART2_RX_2 /* PD6 */
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#define GPIO_USART2_TX GPIO_USART2_TX_2 /* PD5 */
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/* UART4: Connected to PA0, PA1
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* RXD: PA1 -> CN11 D5
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* TXD: PA0 -> CN17 A4
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*/
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#define GPIO_UART4_RX GPIO_UART4_RX_1 /* PA1 */
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#define GPIO_UART4_TX GPIO_UART4_TX_1 /* PA0 */
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/* I2C
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*
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* The optional GPIO configurations allow the I2C driver to manually
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* reset the bus to clear stuck slaves. They match the pin configuration,
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* but are normally-high GPIOs.
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*
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* I2C1 connects to devices on the Discovery board, including the
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* CS43L22 (addr 0x94) stereo DAC and amplifier. It shares the
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* pins with USART1, so that port is disabled so we can access the
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* onboard device.
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*
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*/
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#define GPIO_I2C1_SCL (GPIO_I2C1_SCL_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
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#define GPIO_I2C1_SDA (GPIO_I2C1_SDA_3|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
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#define GPIO_I2C1_SCL_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN6)
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#define GPIO_I2C1_SDA_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN13)
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/* XXX Is I2C2 used on Disco? */
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/* I2C3 connects to Arduino Uno V3 connector pins
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* D15 (I2C3_SCL) and D14 (I2C3_SDA).
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*/
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#define GPIO_I2C3_SCL (GPIO_I2C3_SCL_2|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
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#define GPIO_I2C3_SDA (GPIO_I2C3_SDA_2|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
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#define GPIO_I2C3_SCL_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN7)
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#define GPIO_I2C3_SDA_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN8)
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/* XXX Is I2C4 used on Disco? */
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/* SPI */
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/* XXX is SPI1 used on Disco? */
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#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
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#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
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#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
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/* SPI2 connects to Arduino Uno V3 connector pins D10-D13,
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* also to DSI display.
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*/
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#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1
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#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1
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#define GPIO_SPI2_SCK GPIO_SPI2_SCK_1
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/* XXX is SPI3 used on Disco? */
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#if 0
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#define GPIO_SPI3_MISO GPIO_SPI3_MISO_3
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#define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_3
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#define GPIO_SPI3_SCK GPIO_SPI3_SCK_3
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#endif
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/* DFSDM1
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*
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* DFSDM is connected to two MEMS microphones (MP34DT01) by default.
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* PC2 -> CKOUT
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* PB12 -> DATIN1
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* PH2 -> MIC_VDD GPIO
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*/
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#define GPIO_DFSDM_DATIN1 GPIO_DFSDM_DATIN1_1
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#define GPIO_DFSDM_CKOUT GPIO_DFSDM_CKOUT_1
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#define GPIO_MIC_VDD (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_2MHz | \
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GPIO_OUTPUT_CLEAR | GPIO_PORTH | GPIO_PIN2)
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/* LEDs
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*
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* The STM32L4R9AI-DISCO board provides two user LEDs,
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* LD1 (orange) and LD2 (green).
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*
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* PB0 is LD1 (orange)
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* PH4 is LD2 (green)
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* - When the I/O is HIGH value, the LED is on.
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* - When the I/O is LOW, the LED is off.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_LED_RED 0
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#define BOARD_LED_GRN 1
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#define BOARD_NLEDS 2
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED_RED_BIT (1 << BOARD_LED_RED)
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#define BOARD_LED_GRN_BIT (1 << BOARD_LED_GRN)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/stm32_autoleds.c. The LEDs are used to encode
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* OS-related events as follows when the red and green LEDs are available:
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*
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* SYMBOL Meaning BOARD_LED_GRN BOARD_LED_RED
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* ------------------- --------------------- ----------- ------------
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* LED_STARTED NuttX has been started
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* LED_HEAPALLOCATE Heap has been allocated
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* LED_IRQSENABLED Interrupts enabled
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* LED_STACKCREATED Idle stack created
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* LED_INIRQ In an interrupt
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* LED_SIGNAL In a signal handler
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* LED_ASSERTION An assertion failed
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* LED_PANIC The system has crashed Blinking
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* LED_IDLE MCU is is sleep mode ON
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*
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* Thus if BOARD_LED_GRN, NuttX has successfully booted and is, apparently,
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* running normally. If BOARD_LED_RED is flashing at approximately 2Hz, then
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* a fatal error has been detected and the system has halted.
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*/
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 1
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#define LED_IRQSENABLED 2
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#define LED_STACKCREATED 3
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#define LED_INIRQ 4
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#define LED_SIGNAL 5
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#define LED_ASSERTION 6
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#define LED_PANIC 7
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#define LED_IDLE 8
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/* Buttons
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*
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* There is a 4 way d-pad 'joystick' with center button
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* connected to PA0,1,5,2,3
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* C L D R U
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*/
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#define BUTTON_CENTER 0
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#define BUTTON_LEFT 1
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#define BUTTON_DOWN 2
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#define BUTTON_RIGHT 3
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#define BUTTON_UP 4
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#define NUM_BUTTONS 5
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#define BUTTON_CENTER_BIT (1 << BUTTON_CENTER)
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#define BUTTON_LEFT_BIT (1 << BUTTON_LEFT)
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#define BUTTON_DOWN_BIT (1 << BUTTON_DOWN)
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#define BUTTON_RIGHT_BIT (1 << BUTTON_RIGHT)
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#define BUTTON_UP_BIT (1 << BUTTON_UP)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: stm32l4_board_initialize
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*
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* Description:
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* All STM32L4 architectures must provide the following entry point.
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* This entry point is called early in the initialization -- after all
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* memory has been configured and mapped but before any devices have been
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* initialized.
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*
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****************************************************************************/
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void stm32l4_board_initialize(void);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_STM32L4_STM32L4R9AI_DISCO_INCLUDE_BOARD_H */
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