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Fix gpio_set_mode masking

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Alexander Heldt
2025-01-01 12:19:50 +01:00
parent 152a9ad8a7
commit 2a1e3a41da
5 changed files with 9 additions and 9 deletions
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4
src/gpio.c
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@@ -6,8 +6,8 @@
void gpio_set_mode(uint16_t pin, GPIO_MODE mode) {
struct gpio *gpio = GPIO(PINPORT(pin)); // GPIO port address
int pn = PINNUM(pin); // Pin number
gpio->MODER &= ~(0x0011 << (pn * 2)); // Clear existing setting. Each pin uses 2 bits
gpio->MODER |= (mode & 0b011) << (pn * 2); // Set new mode. Each pin uses 2 bits
gpio->MODER &= ~(0b11 << (pn * 2)); // Clear existing setting. Each pin uses 2 bits
gpio->MODER |= (mode & 0b11) << (pn * 2); // Set new mode. Each pin uses 2 bits
}
void gpio_write(uint16_t pin, bool val) {