nuttx/boards/arm/stm32l4/nucleo-l452re/include/board.h

277 lines
8.9 KiB
C
Raw Normal View History

/****************************************************************************
* boards/arm/stm32l4/nucleo-l452re/include/board.h
2017-05-04 13:45:37 +02:00
*
* 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
2017-05-04 13:45:37 +02:00
*
* http://www.apache.org/licenses/LICENSE-2.0
2017-05-04 13:45:37 +02:00
*
* 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.
2017-05-04 13:45:37 +02:00
*
****************************************************************************/
2017-05-04 13:45:37 +02:00
#ifndef __BOARDS_ARM_STM32L4_NUCLEO_L452RE_INCLUDE_BOARD_H
#define __BOARDS_ARM_STM32L4_NUCLEO_L452RE_INCLUDE_BOARD_H
2017-05-04 13:45:37 +02:00
/****************************************************************************
2017-05-04 13:45:37 +02:00
* Included Files
****************************************************************************/
2017-05-04 13:45:37 +02:00
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/* Clocking *****************************************************************/
2017-05-04 13:45:37 +02:00
#if defined(CONFIG_ARCH_CHIP_STM32L452RE)
# include <arch/board/nucleo-l452re.h>
#endif
/****************************************************************************
* 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.
2017-05-04 13:45:37 +02:00
*/
/* Values defined in arch/arm/src/stm32l4/hardware/stm32l4x3xx_dma.h */
2017-05-04 13:45:37 +02:00
#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
/* ADC */
#define ADC1_DMA_CHAN DMACHAN_ADC1_1
/* Alternate function pin selections ****************************************/
2017-05-04 13:45:37 +02:00
/* 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 1
# define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */
# define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */
#else
# 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 PA2, PA3
* RXD: PA3 CN9 pin 1 (See SB13, 14, 62, 63). CN10 pin 37
* PD6
* TXD: PA2 CN9 pin 2 (See SB13, 14, 62, 63). CN10 pin 35
* PD5
*/
#define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */
#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
#define GPIO_USART3_RX GPIO_USART3_RX_3 /* PC11 */
#define GPIO_USART3_TX GPIO_USART3_TX_3 /* PC10 */
#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.
*/
#define GPIO_I2C1_SCL \
(GPIO_I2C1_SCL_2 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET)
#define GPIO_I2C1_SDA \
(GPIO_I2C1_SDA_2 | 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_PIN8)
#define GPIO_I2C1_SDA_GPIO \
(GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | \
GPIO_PORTB | GPIO_PIN9)
#define GPIO_I2C2_SCL \
(GPIO_I2C2_SCL_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET)
#define GPIO_I2C2_SDA \
(GPIO_I2C2_SDA_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET)
#define GPIO_I2C2_SCL_GPIO \
(GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | \
GPIO_PORTB | GPIO_PIN10)
#define GPIO_I2C2_SDA_GPIO \
(GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | \
GPIO_PORTB | GPIO_PIN11)
/* SPI */
#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1
#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1
#define GPIO_SPI2_SCK GPIO_SPI2_SCK_2
/* LEDs
*
* The Nucleo L452RE board provides a single user LED, LD2. LD2
* is the green LED connected to Arduino signal D13 corresponding to MCU I/O
* PA5 (pin 21) or PB13 (pin 34) depending on the STM32 target.
*
* - 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_LD2 0
#define BOARD_NLEDS 1
/* LED bits for use with board_userled_all() */
#define BOARD_LD2_BIT (1 << BOARD_LD2)
/* 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 LED (PE24) is available:
*
* SYMBOL Meaning LD2
* ------------------- ----------------------- -----------
* 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 LD2, NuttX has successfully booted and is, apparently, running
* normally. If LD2 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
/* Buttons
*
* B1 USER:
* the user button is connected to the I/O PC13 (pin 2) of the STM32
2017-05-04 13:45:37 +02:00
* microcontroller.
*/
#define BUTTON_USER 0
#define NUM_BUTTONS 1
#define BUTTON_USER_BIT (1 << BUTTON_USER)
/* ADC measurements
* Default is ADC1_IN9 (PA4) connected to CN8-connector pin 3, A2.
*/
#define ADC1_MEASURE_CHANNEL 9
#define GPIO_MEASURE_ADC (GPIO_ADC1_IN9)
/* DAC
* Default is PA4 (same as ADC, do not use both at the same time)
*/
#define GPIO_DAC1_OUT GPIO_DAC1_OUT_1
2017-05-04 13:45:37 +02:00
/* 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)
* CHN1 | 1(A7) 2(B13) 3(E8)
* CHN2 | 1(B0) 2(B14) 3(E10)
*/
#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
/****************************************************************************
2017-05-04 13:45:37 +02:00
* Public Data
****************************************************************************/
2017-05-04 13:45:37 +02:00
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
2017-05-04 13:45:37 +02:00
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: stm32l4_board_initialize
2017-05-04 13:45:37 +02:00
*
* 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.
2017-05-04 13:45:37 +02:00
*
****************************************************************************/
2017-05-04 13:45:37 +02:00
void stm32l4_board_initialize(void);
2017-05-04 13:45:37 +02:00
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_STM32L4_NUCLEO_L452RE_INCLUDE_BOARD_H */