arch/arm/src/stm32/stm32_dfumode.c: Add logic to reboot the STM32 in DFU mode.
This commit is contained in:
Bill Gatliff
Gregory Nutt
parent
90ee863abe
commit
d2dac21929
@ -93,6 +93,7 @@ CHIP_CSRCS += stm32_lsi.c stm32_gpio.c stm32_exti_gpio.c stm32_flash.c
|
||||
CHIP_CSRCS += stm32_irq.c stm32_dma.c stm32_lowputc.c
|
||||
CHIP_CSRCS += stm32_serial.c stm32_spi.c stm32_i2s.c stm32_sdio.c stm32_tim.c
|
||||
CHIP_CSRCS += stm32_waste.c stm32_ccm.c stm32_uid.c stm32_capture.c
|
||||
CHIP_CSRCS += stm32_dfumode.c
|
||||
|
||||
ifeq ($(CONFIG_TIMER),y)
|
||||
CHIP_CSRCS += stm32_tim_lowerhalf.c
|
||||
|
||||
80
arch/arm/src/stm32/stm32_dfumode.c
Normal file
80
arch/arm/src/stm32/stm32_dfumode.c
Normal file
@ -0,0 +1,80 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/stm32/stm32_dfumode.c
|
||||
*
|
||||
* Copyright (C) 2019 Bill Gatliff. All rights reserved.
|
||||
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
|
||||
* Author: Bill Gatliff <bgat@billgatliff.com>
|
||||
* Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <unistd.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include "stm32_dfumode.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_dfumode
|
||||
*
|
||||
* Description:
|
||||
* Reboot the part in DFU mode.
|
||||
*
|
||||
* https://community.st.com/s/question/0D50X00009XkhAzSAJ/calling-stm32429ieval-bootloader
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void stm32_dfumode(void)
|
||||
{
|
||||
_warn("Entering DFU mode...\n");
|
||||
sleep(1);
|
||||
|
||||
asm("ldr r0, =0x40023844\n\t" /* RCC_APB2ENR */
|
||||
"ldr r1, =0x00004000\n\t" /* Enable SYSCFG clock */
|
||||
"str r1, [r0, #0]\n\t"
|
||||
"ldr r0, =0x40013800\n\t" /* SYSCFG_MEMRMP */
|
||||
"ldr r1, =0x00000001\n\t" /* Map ROM at zero */
|
||||
"str r1, [r0, #0]\n\t"
|
||||
"ldr r0, =0x1fff0000\n\t" /* ROM base */
|
||||
"ldr sp,[r0, #0]\n\t" /* SP @ 0 */
|
||||
"ldr r0,[r0, #4]\n\t" /* PC @ 4 */
|
||||
"bx r0\n");
|
||||
|
||||
__builtin_unreachable(); /* Tell compiler we will not return */
|
||||
}
|
||||
61
arch/arm/src/stm32/stm32_dfumode.h
Normal file
61
arch/arm/src/stm32/stm32_dfumode.h
Normal file
@ -0,0 +1,61 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/stm32/stm32_dfumode.h
|
||||
*
|
||||
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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 __ARCH_ARM_SRC_STM32_DFUMODE_H
|
||||
#define __ARCH_ARM_SRC_STM32_DFUMODE_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/compiler.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_dfumode
|
||||
*
|
||||
* Description:
|
||||
* Reboot the part in DFU mode.
|
||||
*
|
||||
* https://community.st.com/s/question/0D50X00009XkhAzSAJ/calling-stm32429ieval-bootloader
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void stm32_dfumode(void) noreturn_function;
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_STM32_DFUMODE_H */
|
||||
Loading…
Reference in New Issue
Block a user