Files
2025-04-08 16:47:58 -08:00

158 lines
5.1 KiB
C

/****************************************************************************
*
* Copyright (C) 2012 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.
*
****************************************************************************/
/**
* @file init.c
*
* Crazyflie specific early startup code. This file implements the
* board_app_initialize() function that is called early by nsh during startup.
*
* Code here is run before the rcS script is invoked; it should start required
* subsystems and perform board-specific initialization.
*/
/****************************************************************************
* Included Files
****************************************************************************/
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/tasks.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <debug.h>
#include <errno.h>
#include <syslog.h>
#include <nuttx/board.h>
#include <nuttx/analog/adc.h>
#include <nuttx/spi/spi.h>
#include "board_config.h"
#include <stm32_uart.h>
#include <arch/board/board.h>
#include <drivers/drv_hrt.h>
#include <drivers/drv_board_led.h>
#include <systemlib/px4_macros.h>
#include <px4_platform_common/init.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/*
* Ideally we'd be able to get these from arm_internal.h,
* but since we want to be able to disable the NuttX use
* of leds for system indication at will and there is no
* separate switch, we need to build independent of the
* CONFIG_ARCH_LEDS configuration switch.
*/
__BEGIN_DECLS
extern void led_init(void);
extern void led_on(int led);
extern void led_off(int led);
__END_DECLS
/****************************************************************************
* Protected Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/************************************************************************************
* Name: stm32_boardinitialize
*
* Description:
* All STM32 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.
*
************************************************************************************/
__EXPORT void
stm32_boardinitialize(void)
{
/* configure LEDs */
board_autoled_initialize();
/* configure SPI interfaces */
stm32_spiinitialize();
stm32_usbinitialize();
}
/****************************************************************************
* Name: board_app_initialize
*
* Description:
* Perform architecture specific initialization
*
****************************************************************************/
__EXPORT int board_app_initialize(uintptr_t arg)
{
px4_platform_init();
#if defined(SERIAL_HAVE_RXDMA)
// set up the serial DMA polling at 1ms intervals for received bytes that have not triggered a DMA event.
static struct hrt_call serial_dma_call;
hrt_call_every(&serial_dma_call, 1000, 1000, (hrt_callout)stm32_serial_dma_poll, NULL);
#endif
/* initial LED state */
drv_led_start();
led_off(LED_RED);
led_off(LED_GREEN);
led_off(LED_BLUE);
led_off(LED_TX);
led_off(LED_RX);
if (board_hardfault_init(2, true) != 0) {
led_on(LED_RED);
}
#ifdef CONFIG_SPI
stm32_spi_bus_initialize();
#endif
return OK;
}