2021-11-03 12:14:30 -04:00

130 lines
4.4 KiB
C

/****************************************************************************
*
* Copyright (c) 2021 PX4 Development Team. 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 PX4 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 __ARCH_BOARD_BOARD_H
#define __ARCH_BOARD_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/* Clocking *****************************************************************/
#define MHZ 1000000
#define BOARD_XOSC_FREQ (12 * MHZ)
#define BOARD_PLL_SYS_FREQ (125 * MHZ)
#define BOARD_PLL_USB_FREQ (48 * MHZ)
#define BOARD_REF_FREQ (12 * MHZ)
#define BOARD_SYS_FREQ (125 * MHZ)
#define BOARD_PERI_FREQ (125 * MHZ)
#define BOARD_USB_FREQ (48 * MHZ)
#define BOARD_ADC_FREQ (48 * MHZ)
#define BOARD_RTC_FREQ 46875
#define BOARD_UART_BASEFREQ BOARD_PERI_FREQ
#define BOARD_TICK_CLOCK (1 * MHZ)
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 2 LEDs on board the
* omnibusf4sd. The following definitions describe how NuttX controls the LEDs:
*/
// #define LED_STARTED 0 /* LED1 */
// #define LED_HEAPALLOCATE 1 /* LED2 */
// #define LED_IRQSENABLED 2 /* LED1 */
// #define LED_STACKCREATED 3 /* LED1 + LED2 */
// #define LED_INIRQ 4 /* LED1 */
// #define LED_SIGNAL 5 /* LED2 */
// #define LED_ASSERTION 6 /* LED1 + LED2 */
// #define LED_PANIC 7 /* LED1 + LED2 */
/* Alternate function pin selections ************************************************/
/*
* UARTs.
* UART0TX: GPIO0
* UART0RX: GPIO1
* UART1TX: GPIO8
* UART1RX: GPIO9
*/
#define CONFIG_RP2040_UART0_GPIO 0 /* TELEM */
#define CONFIG_RP2040_UART1_GPIO 8 /* GPS */
/*
* I2C (external)
*
* I2C1SCL: GPIO7
* I2C1SDA: GPIO6
*
* TODO:
* 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 CONFIG_RP2040_I2C1_GPIO 6
/* SPI0:
* SPIDEV_FLASH (probably micro sd card)
* CS: GPIO5 -- should be configured in sec/spi.cpp (probably)
* CLK: GPIO2
* MISO: GPIO4
* MOSI: GPIO3
*/
#define GPIO_SPI0_SCLK ( 2 | GPIO_FUN(RP2040_GPIO_FUNC_SPI) )
#define GPIO_SPI0_MISO ( 4 | GPIO_FUN(RP2040_GPIO_FUNC_SPI) )
#define GPIO_SPI0_MOSI ( 3 | GPIO_FUN(RP2040_GPIO_FUNC_SPI) )
/* SPI1:
* MPU9250 and BMP280
* CS: GPIO13 for MPU9250, GPIO14 for BMP280 -- should be configured in sec/spi.cpp (probably)
* CLK: GPIO10
* MISO: GPIO12
* MOSI: GPIO11
*/
#define GPIO_SPI1_SCLK ( 10 | GPIO_FUN(RP2040_GPIO_FUNC_SPI) )
#define GPIO_SPI1_MISO ( 12 | GPIO_FUN(RP2040_GPIO_FUNC_SPI) )
#define GPIO_SPI1_MOSI ( 11 | GPIO_FUN(RP2040_GPIO_FUNC_SPI) )
#endif /* __ARCH_BOARD_BOARD_H */