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This commit is contained in:
Edward Emelianov
2025-09-16 22:53:15 +03:00
parent ec8d56c4ae
commit 3e701f147f
25 changed files with 1345 additions and 982 deletions
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7
F3:F303/I2C_scan/hardware.c
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@@ -19,9 +19,12 @@
#include "hardware.h"
static inline void gpio_setup(){
RCC->AHBENR |= RCC_AHBENR_GPIOBEN; // for LEDs
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN; // for LEDs
for(int i = 0; i < 10000; ++i) nop();
GPIOB->MODER = GPIO_MODER_MODER0_O | GPIO_MODER_MODER1_O;
// 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;
}