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add new concept USB-CDC template for STM32F303

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This commit is contained in:
Edward Emelianov
2025-09-04 21:25:58 +03:00
parent 962d181e89
commit 8be4f0975e
30 changed files with 14535 additions and 4 deletions
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16
F3:F303/USB_template_CDC/hardware.c Normal file
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#include "hardware.h"
static inline void gpio_setup(){
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN; // for USART and LEDs
for(int i = 0; i < 10000; ++i) nop();
// USB - alternate function 14 @ pins PA11/PA12; SWD - AF0 @PA13/14
GPIOA->AFR[1] = AFRf(14, 11) | AFRf(14, 12);
GPIOA->MODER = MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14) | MODER_O(15);
GPIOB->MODER = MODER_O(0) | MODER_O(1);
GPIOB->ODR = 1;
}
void hw_setup(){
gpio_setup();
}