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Add starting sources to CANbus_stepper

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This commit is contained in:
Edward Emelianov
2020-03-12 15:56:23 +03:00
parent 6a847d5424
commit 1aa97d8053
22 changed files with 2303 additions and 23 deletions
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42
F0-nolib/Snippets/Jump2Boot.c
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@@ -6,22 +6,32 @@
#define SYSMEM09x 0x1FFFD800
#define SystemMem SYSMEM07x
typedef void (*pF)(void);
uint32_t JumpAddress = *(volatile uint32_t*) (SystemMem + 4);
pF Jump_To_Boot = (pFunction) JumpAddress;
// first - deinit all peripherial!!!!
/*
// default timing settings
SysTick->CTRL = 0;
SysTick->LOAD = 0;
SysTick->VAL = 0;
*/
__disable_irq(); // - may not work
// remap memory to 0
SYSCFG->CFGR1 = 0x01;
__set_MSP(*(volatile uint32_t*) SystemMem);
Jump_To_Boot();
void Jump2Boot(){ // for STM32F072
void (*SysMemBootJump)(void);
volatile uint32_t addr = 0x1FFFC800;
// reset systick
SysTick->CTRL = 0;
// reset clocks
RCC->APB1RSTR = RCC_APB1RSTR_CECRST | RCC_APB1RSTR_DACRST | RCC_APB1RSTR_PWRRST | RCC_APB1RSTR_CRSRST |
RCC_APB1RSTR_CANRST | RCC_APB1RSTR_USBRST | RCC_APB1RSTR_I2C2RST | RCC_APB1RSTR_I2C1RST |
RCC_APB1RSTR_USART4RST | RCC_APB1RSTR_USART3RST | RCC_APB1RSTR_USART2RST | RCC_APB1RSTR_SPI2RST |
RCC_APB1RSTR_WWDGRST | RCC_APB1RSTR_TIM14RST | RCC_APB1RSTR_TIM7RST | RCC_APB1RSTR_TIM6RST |
RCC_APB1RSTR_TIM3RST | RCC_APB1RSTR_TIM2RST;
RCC->APB2RSTR = RCC_APB2RSTR_DBGMCURST | RCC_APB2RSTR_TIM17RST | RCC_APB2RSTR_TIM16RST | RCC_APB2RSTR_TIM15RST |
RCC_APB2RSTR_USART1RST | RCC_APB2RSTR_SPI1RST | RCC_APB2RSTR_TIM1RST | RCC_APB2RSTR_ADCRST | RCC_APB2RSTR_SYSCFGRST;
RCC->AHBRSTR = 0;
RCC->APB1RSTR = 0;
RCC->APB2RSTR = 0;
// Enable the SYSCFG peripheral.
RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
// remap memory to 0 (only for STM32F0)
SYSCFG->CFGR1 = 0x01; __DSB(); __ISB();
SysMemBootJump = (void (*)(void)) (*((uint32_t *)(addr + 4)));
// set main stack pointer
__set_MSP(*((uint32_t *)addr));
// jump to bootloader
SysMemBootJump();
}