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nuttx/configs/stm32l4r9ai-disco/include/board.h

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/************************************************************************************
* configs/stm32l4r9ai-disco/include/board.h
*
* Copyright (C) 2016 Gregory Nutt. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __CONFIGS_STM32L4R9AI_DISCO_INCLUDE_BOARD_H
#define __CONFIGS_STM32L4R9AI_DISCO_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
#include <stm32l4.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocking *************************************************************************/
#include <arch/board/stm32l4r9ai-disco-clocking.h>
/* 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/chip/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
* Default is ADC1_IN9 (PA4) connected to STMod+ connector CN1 pin 13.
*/
#define ADC1_MEASURE_CHANNEL 9
#define GPIO_MEASURE_ADC (GPIO_ADC1_IN9)
/* 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_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)
/* XXX Is I2C2 used on Disco? */
#if 0
#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)
#endif
/* 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
/* XXX is SPI2 used on Disco? */
#define GPIO_SPI2_MISO GPIO_SPI2_MISO_3
#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_3
#define GPIO_SPI2_SCK GPIO_SPI2_SCK_3
/* 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 /* __CONFIGS_STM32L4R9AI_DISCO_INCLUDE_BOARD_H */
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