nuttx/boards/xtensa/esp32/esp32-devkitc/src/esp32-devkitc.h
Victor Benso 2892f18f15 Fix some register's values, enable TWAI extended registers and add a missing prototype.
Also, replaced critical_sections with spinlocks.
2022-09-09 15:30:35 +08:00

156 lines
4.8 KiB
C

/****************************************************************************
* boards/xtensa/esp32/esp32-devkitc/src/esp32-devkitc.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_XTENSA_ESP32_ESP32_DEVKITC_SRC_ESP32_DEVKITC_H
#define __BOARDS_XTENSA_ESP32_ESP32_DEVKITC_SRC_ESP32_DEVKITC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* ESP32-DevKitC GPIOs ******************************************************/
/* BOOT Button */
#define BUTTON_BOOT 0
/* LED
*
* This is an externally connected LED used for testing.
*/
#define GPIO_LED1 2
/* MCP2515 Interrupt pin */
#define GPIO_MCP2515_IRQ 22
/* TIMERS */
#define TIMER0 0
#define TIMER1 1
#define TIMER2 2
#define TIMER3 3
/* ONESHOT */
#define ONESHOT_TIMER 1
#define ONESHOT_RESOLUTION_US 1
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: esp32_bringup
*
* Description:
* Perform architecture-specific initialization
*
* CONFIG_BOARD_LATE_INITIALIZE=y :
* Called from board_late_initialize().
*
* CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_BOARDCTL=y :
* Called from the NSH library via board_app_initialize()
*
****************************************************************************/
int esp32_bringup(void);
/****************************************************************************
* Name: esp32_mmcsd_initialize
*
* Description:
* Initialize SPI-based SD card and card detect thread.
****************************************************************************/
int esp32_mmcsd_initialize(int minor);
/****************************************************************************
* Name: esp32_gpio_init
****************************************************************************/
#ifdef CONFIG_DEV_GPIO
int esp32_gpio_init(void);
#endif
/****************************************************************************
* Name: esp32_ledc_setup
*
* Description:
* Initialize LEDC PWM and register the PWM device.
*
****************************************************************************/
#ifdef CONFIG_ESP32_LEDC
int esp32_pwm_setup(void);
#endif
/****************************************************************************
* Name: board_spidev_initialize
*
* Description:
* Initialize SPI driver and register the /dev/spi device.
*
* Input Parameters:
* bus - The SPI bus number, used to build the device path as /dev/spiN
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
#ifdef CONFIG_SPI_DRIVER
int board_spidev_initialize(int bus);
#endif
/****************************************************************************
* Name: esp32_twai_setup
*
* Description:
* Initialize TWAI and register the TWAI device
*
****************************************************************************/
#ifdef CONFIG_ESP32_TWAI
int esp32_twai_setup(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_XTENSA_ESP32_ESP32_DEVKITC_SRC_ESP32_DEVKITC_H */