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Input button sensing fix #21

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Input button sensing fix #21

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6 changes: 5 additions & 1 deletion main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,7 @@ inline static void gpio_set_mode(uint32_t gpiodev, uint16_t gpion, uint8_t mode)
}

#define gpio_set_output(a,b) gpio_set_mode(a,b,0x2)
#define gpio_set_input(a,b) gpio_set_mode(a,b,0x0)
#define gpio_set_input(a,b) gpio_set_mode(a,b,0x4)
#define gpio_set_input_pp(a,b) gpio_set_mode(a,b,0x8)

#define gpio_clear(gpiodev, gpion) \
Expand All @@ -300,8 +300,12 @@ inline static void gpio_set_mode(uint32_t gpiodev, uint16_t gpion, uint8_t mode)
#ifdef ENABLE_GPIO_DFU_BOOT
int force_dfu_gpio() {
rcc_gpio_enable(GPIO_DFU_BOOT_PORT);
#ifdef GPIO_DFU_BOOT_PIN_NOPD
gpio_set_input(GPIO_DFU_BOOT_PORT, GPIO_DFU_BOOT_PIN);
#else
gpio_set_input_pp(GPIO_DFU_BOOT_PORT, GPIO_DFU_BOOT_PIN);
gpio_clear(GPIO_DFU_BOOT_PORT, GPIO_DFU_BOOT_PIN);
#endif
for (unsigned int i = 0; i < 512; i++)
__asm__("nop");
uint16_t val = gpio_read(GPIO_DFU_BOOT_PORT, GPIO_DFU_BOOT_PIN);
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