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fixed pullup/pulldown for SWD

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This commit is contained in:
Edward Emelianov
2023-03-22 12:10:10 +03:00
parent 2dae136516
commit 6902b60020
4 changed files with 15 additions and 26 deletions
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4
F3:F303/NitrogenFlooding/hardware.c
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@@ -28,7 +28,7 @@ TRUE_INLINE void gpio_setup(){
// enable PWM timer TIM3
RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
for(int i = 0; i < 10000; ++i) nop();
// PORT A
// PORT A (PA13/14 - SWDIO/SWCLK - AF0)
GPIOA->ODR = 0;
GPIOA->AFR[0] = 0;
GPIOA->AFR[1] = AFRf(4, 9) | AFRf(4, 10) | AFRf(14, 11) | AFRf(14,12);
@@ -36,7 +36,7 @@ TRUE_INLINE void gpio_setup(){
MODER_AF(9) | MODER_AF(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14);
GPIOA->OSPEEDR = OSPEED_HI(9) | OSPEED_HI(10) | OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14);
GPIOA->OTYPER = 0;
GPIOA->PUPDR = 0;
GPIOA->PUPDR = PUPD_PU(13) | PUPD_PD(14); // SWDIO - pullup, SDCLK - pulldown
// PORT B
GPIOB->ODR = 0;