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custom-board-bundle-sample-fork-of-rusefi
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random changes related to 

software jump to DFU #809
This commit is contained in:
rusefi 2019-07-27 20:33:50 -04:00
parent b7f398e14b
commit 0d994cc356
1 changed files with 19 additions and 4 deletions
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23
firmware/hw_layer/ports/stm32/stm32_common.cpp
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@ -8,6 +8,7 @@
#include "global.h" #include "global.h"
#include "efi_gpio.h" #include "efi_gpio.h"
#include "usbconsole.h"
#ifndef EFI_PIN_ADC9 #ifndef EFI_PIN_ADC9
#define EFI_PIN_ADC9 GPIOB_1 #define EFI_PIN_ADC9 GPIOB_1
@ -134,24 +135,38 @@ int getAdcChannelPin(adc_channel_e hwChannel) {
return getHwPin("get_pin", brainPin); return getHwPin("get_pin", brainPin);
} }
extern SerialUSBDriver SDU1;
void jump_to_bootloader() { void jump_to_bootloader() {
// AN2606 Application note
// STM32 microcontroller system memory boot mode
// todo: this does not work yet // todo: this does not work yet
RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
RCC->CFGR = 0; /* CFGR reset value. */ RCC->CFGR = 0; /* CFGR reset value. */
sdStop (&SD2);
// sduStop (&SDU1); usbDisconnectBus(&USBD1);
chThdSleepMilliseconds(1500);
sdStop (&USB_SERIAL_DRIVER);
sduStop (&SDU1);
usbStop (&USBD1); usbStop (&USBD1);
__disable_irq(); __disable_irq();
chSysDisable(); chSysDisable();
// reset the Systick Timer
SysTick->CTRL = SysTick->LOAD = SysTick->VAL = 0; SysTick->CTRL = SysTick->LOAD = SysTick->VAL = 0;
SYSCFG->MEMRMP = 0x01; SYSCFG->MEMRMP = 0x01;
SCB->VTOR = 0; SCB->VTOR = 0;
SCB->ICSR = (0x1U << 27); //ICSR_PENDSVCLR; SCB->ICSR = (0x1U << 27); //ICSR_PENDSVCLR;
const uint32_t p = (*((uint32_t *) 0x1FFF0000));
__set_MSP(p);
// set the main stack pointer to its default value
__set_MSP(0x20001000);
void (*SysMemBootJump)(void); void (*SysMemBootJump)(void);
SysMemBootJump = (void (*)(void)) (*((uint32_t *) 0x1FFF0004)); SysMemBootJump = (void (*)(void)) (*((uint32_t *) 0x1FFF0004));
SysMemBootJump(); SysMemBootJump();
} }