143 lines
5.0 KiB
C
143 lines
5.0 KiB
C
/****************************************************************************
|
|
* boards/xtensa/esp32/esp32-wrover-kit/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_XTENSA_ESP32_ESP32_WROVER_KIT_INCLUDE_BOARD_H
|
|
#define __BOARDS_XTENSA_ESP32_ESP32_WROVER_KIT_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Clocking *****************************************************************/
|
|
|
|
/* The ESP32 Ethernet kit board V2 is fitted with either a 26 or a 40MHz
|
|
* crystal
|
|
*/
|
|
|
|
#ifdef CONFIG_ESP32_XTAL_26MHz
|
|
# define BOARD_XTAL_FREQUENCY 26000000
|
|
#else
|
|
# define BOARD_XTAL_FREQUENCY 40000000
|
|
#endif
|
|
|
|
/* Clock reconfiguration is currently disabled, so the CPU will be running
|
|
* at the XTAL frequency or at two times the XTAL frequency, depending upon
|
|
* how we load the code:
|
|
*
|
|
* - If we load the code into FLASH at address 0x1000 where it is started by
|
|
* the second level bootloader, then the frequency is the crystal
|
|
* frequency.
|
|
* - If we load the code into IRAM after the second level bootloader has run
|
|
* this frequency will be twice the crystal frequency.
|
|
*
|
|
* Don't ask me for an explanation.
|
|
*/
|
|
|
|
/* Note: The bootloader (esp-idf bootloader.bin) configures:
|
|
*
|
|
* - CPU frequency to 80MHz
|
|
* - The XTAL frequency according to the SDK config CONFIG_ESP32_XTAL_FREQ,
|
|
* which is 40MHz by default.
|
|
*
|
|
* Reference:
|
|
* https://github.com/espressif/esp-idf/blob
|
|
* /6fd855ab8d00d23bad4660216bc2122c2285d5be/components
|
|
* /bootloader_support/src/bootloader_clock.c#L38-L62
|
|
*/
|
|
|
|
#ifdef CONFIG_ESP32_RUN_IRAM
|
|
# define BOARD_CLOCK_FREQUENCY (2 * BOARD_XTAL_FREQUENCY)
|
|
#else
|
|
#ifdef CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ
|
|
# define BOARD_CLOCK_FREQUENCY (CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ * 1000000)
|
|
#else
|
|
# define BOARD_CLOCK_FREQUENCY 80000000
|
|
#endif
|
|
#endif
|
|
|
|
/* GPIO definitions *********************************************************/
|
|
|
|
/* Display */
|
|
|
|
#define DISPLAY_SPI 2
|
|
#define DISPLAY_DC 21
|
|
#define DISPLAY_RST 18
|
|
#define DISPLAY_BCKL 5
|
|
|
|
/* LED definitions **********************************************************/
|
|
|
|
/* Define how many LEDs this board has (needed by userleds) */
|
|
|
|
#define BOARD_LED1 0
|
|
#define BOARD_LED2 1
|
|
#define BOARD_LED3 2
|
|
#define BOARD_NLEDS 3
|
|
|
|
#define BOARD_LED_RED BOARD_LED1
|
|
#define BOARD_LED_GREEN BOARD_LED2
|
|
#define BOARD_LED_BLUE BOARD_LED3
|
|
|
|
/* LED bits for use with autoleds */
|
|
|
|
#define BOARD_LED1_BIT (1 << BOARD_LED1)
|
|
#define BOARD_LED2_BIT (1 << BOARD_LED2)
|
|
#define BOARD_LED3_BIT (1 << BOARD_LED3)
|
|
|
|
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 3 LEDs on
|
|
* board the ESP-WROVER-KIT. The following definitions describe how
|
|
* NuttX controls the LEDs:
|
|
*/
|
|
|
|
/* These values index an array that contains the bit definitions for the
|
|
* correct LEDs (see esp32_autoleds.c).
|
|
*/
|
|
|
|
#define LED_STARTED 0 /* LED2 */
|
|
#define LED_HEAPALLOCATE 1 /* LED3 */
|
|
#define LED_IRQSENABLED 2 /* LED3 + LED2 */
|
|
#define LED_STACKCREATED 3 /* LED3 */
|
|
#define LED_INIRQ 4 /* LED1 + LED3 */
|
|
#define LED_SIGNAL 5 /* LED2 + LED3 */
|
|
#define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */
|
|
#define LED_PANIC 7 /* LED1 + N/C + N/C */
|
|
|
|
/* The values below are used only to distinguish between the CPUs.
|
|
* The LEDs are actually mapped as:
|
|
* CPU0 -> GPIO_LED1 (Red LED)
|
|
* CPU1 -> GPIO_LED2 (Green LED)
|
|
* Note that from the previous list only LED_HEAPALLOCATE will still be
|
|
* valid. This is to avoid collisions and to keep a way to show a successful
|
|
* heap allocation. The LED used is still LED3 (Blue LED).
|
|
*/
|
|
|
|
#ifdef CONFIG_ARCH_LEDS_CPU_ACTIVITY
|
|
# define LED_CPU0 8
|
|
# define LED_CPU1 9
|
|
# define LED_CPU (LED_CPU0 + up_cpu_index())
|
|
#endif
|
|
|
|
/* GPIO pins used by the GPIO Subsystem */
|
|
|
|
#define BOARD_NGPIOIN 1 /* Amount of GPIO Input pins */
|
|
#define BOARD_NGPIOOUT 1 /* Amount of GPIO Output pins */
|
|
#define BOARD_NGPIOINT 1 /* Amount of GPIO Input w/ Interruption pins */
|
|
|
|
#endif /* __BOARDS_XTENSA_ESP32_ESP32_WROVER_KIT_INCLUDE_BOARD_H */
|