Remove commented code

This commit is contained in:
iabdalkader 2014-09-27 18:57:12 +02:00
parent dbb2019b9a
commit 3fca55514a

View File

@ -14,7 +14,6 @@
#include "py/py_file.h"
#include "core_cm4.h"
#include "usbdbg.h"
#include "stm32f4xx_hal_rcc.h"
#define USB_TX_BUF_SIZE (64)
static int xfer_bytes;
@ -191,39 +190,10 @@ void usbdbg_control(void *buffer, uint8_t request, uint16_t length)
NVIC_SystemReset();
break;
case USBDBG_BOOT:
/* http://goo.gl/VcKqst
* disable IRQ, reset USART1 and RCC before setting MSP/PC.
* Disable all peripheral clocks
* Disable used PLL
* Disable interrupts
* Clear pending interrupts
*/
/*
__set_PRIMASK(1); // disable interrupts
HAL_RCC_DeInit(); // reset RCC
HAL_USART_DeInit( ); // reset USART1
SysTick->CTRL = 0; // reset the SysTick timer
SysTick->LOAD = 0;
SysTick->VAL = 0;
//__set_MSP(0x20001000); // set main SP to its default
asm volatile(
"ldr r0, =0x40013800\n\t" // SYSCFG_MEMRMP
"ldr r1, =0x00000001\n\t" // remap ROM at zero
"str r1, [r0, #0]\n\t"
"ldr r0, =0x1fff000\n\t" // load ROM base
"ldr sp,[r0, #0]\n\t" // assign main stack pointer
"ldr r0,[r0, #4]\n\t" // load bootloader address
"bx r0\n\t"
);
// STM32F40xxx e.g., 405, 407 : 0x1FFF77DE
// STM32F429xx : 0x1FFF76DE
*/
// set magic flag => reset handler will jump into boot loader
*((uint32_t *)0x20002000) = 0xDEADBEEF;
NVIC_SystemReset();
while (1);
break;
case USBDBG_BOOT:
*((uint32_t *)0x20002000) = 0xDEADBEEF;
NVIC_SystemReset();
break;
default: /* error */
cmd = USBDBG_NONE;