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Updated Drivers

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This commit is contained in:
Kevin Thomas
2026-03-23 09:33:04 -04:00
parent 6ee30d0520
commit 91faba6800
31 changed files with 827 additions and 337 deletions
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drivers/0x03_button/0x03_button.c
+29 -14
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@@ -46,26 +46,41 @@
#define LED_PIN 25
#define DEBOUNCE_MS 20
/**
* @brief Poll button state and report edge transitions over UART
*
* Reads the debounced button state, mirrors it to the LED, and prints
* a message when the state changes from the previous reading.
*
* @param last_state Pointer to the stored previous button state
*/
static void _poll_button(bool *last_state) {
bool pressed = button_is_pressed(BUTTON_PIN);
button_led_set(LED_PIN, pressed);
if (pressed != *last_state) {
printf("Button: %s\r\n", pressed ? "PRESSED" : "RELEASED");
*last_state = pressed;
}
}
/**
* @brief Application entry point for the button debounce demo
*
* Initializes button and LED, then continuously polls button state
* and mirrors it to the LED with UART reporting on edge transitions.
*
* @return int Does not return
*/
int main(void) {
stdio_init_all();
button_init(BUTTON_PIN, DEBOUNCE_MS);
button_led_init(LED_PIN);
printf("Button driver initialized: button=GPIO%d led=GPIO%d\r\n",
BUTTON_PIN, LED_PIN);
printf("Button driver initialized: button=GPIO%d led=GPIO%d\r\n", BUTTON_PIN, LED_PIN);
bool last_state = false;
while (true) {
bool pressed = button_is_pressed(BUTTON_PIN);
button_led_set(LED_PIN, pressed);
if (pressed != last_state) {
printf("Button: %s\r\n", pressed ? "PRESSED" : "RELEASED");
last_state = pressed;
}
_poll_button(&last_state);
sleep_ms(10);
}
}