Как обычно. Балабол. Потрудись открыть этот SystemInit и не
юродствуй. Эта функция часть system_at32f403a_407.c Собирается как
основа проекта вместе со стартапом. И да, входит в Board Support
Package (BSP) void SystemInit (void)
{
#if defined (__FPU_USED) && (__FPU_USED == 1U)
SCB->CPACR |= ((3U << 10U * 2U) | /* set cp10 full access */
(3U << 11U * 2U) ); /* set cp11 full access */
#endif
/* reset the crm clock configuration to the default reset state(for debug purpose) */
/* set hicken bit */
CRM->ctrl_bit.hicken = TRUE;
/* wait hick stable */
while(CRM->ctrl_bit.hickstbl != SET);
/* hick used as system clock */
CRM->cfg_bit.sclksel = CRM_SCLK_HICK;
/* wait sclk switch status */
while(CRM->cfg_bit.sclksts != CRM_SCLK_HICK);
/* reset cfg register, include sclk switch, ahbdiv, apb1div, apb2div, adcdiv,
clkout pllrcs, pllhextdiv, pllmult, usbdiv and pllrange bits */
CRM->cfg = 0;
/* reset hexten, hextbyps, cfden and pllen bits */
CRM->ctrl &= ~(0x010D0000U);
/* reset clkout[3], usbbufs, hickdiv, clkoutdiv */
CRM->misc1 = 0;
/* disable all interrupts enable and clear pending bits */
CRM->clkint = 0x009F0000;
#ifdef VECT_TAB_SRAM
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* vector table relocation in internal sram. */
#else
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* vector table relocation in internal flash. */
#endif
}
my504 (19.06.2023 21:54, просмотров: 192) ответил Eddy_Em на SystemInit?