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docs: fix brief for main

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This commit is contained in:
Frederik Beimgraben 2025-07-03 12:15:27 +02:00
parent 74529a2562
commit bcefaab847
3 changed files with 21 additions and 6 deletions
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2
.settings/org.eclipse.core.resources.prefs
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@ -1,4 +1,6 @@
eclipse.preferences.version=1 eclipse.preferences.version=1
encoding//Debug/docs/latex/subdir_rules.mk=UTF-8
encoding//Debug/docs/latex/subdir_vars.mk=UTF-8
encoding//Debug/driverlib/MSP430FR2xx_4xx/subdir_rules.mk=UTF-8 encoding//Debug/driverlib/MSP430FR2xx_4xx/subdir_rules.mk=UTF-8
encoding//Debug/driverlib/MSP430FR2xx_4xx/subdir_vars.mk=UTF-8 encoding//Debug/driverlib/MSP430FR2xx_4xx/subdir_vars.mk=UTF-8
encoding//Debug/jsmn/subdir_rules.mk=UTF-8 encoding//Debug/jsmn/subdir_rules.mk=UTF-8

5
main.c
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@ -1,9 +1,6 @@
/** /**
* @file main.c * @file main.c
* @brief UART console, interrupt-driven 4×4 keypad input, and Morse LED blink on MSP430FR2355. * @brief Entrypoint for the program.
*
* Initializes peripheral modules and enters low-power mode, waking on keypress
* interrupts to blink Morse code on LED and echo keys over UART.
* *
* @date 2025-07-02 * @date 2025-07-02
*/ */

20
src/state_machine.c
View File

@ -38,7 +38,7 @@
#define BUZZER_PORT_DIR P5DIR #define BUZZER_PORT_DIR P5DIR
#define BUZZER_PORT_OUT P5OUT #define BUZZER_PORT_OUT P5OUT
#define BUZZER_PIN BIT0 #define BUZZER_PIN BIT0
#define BUZZER_PERIOD 1000U #define BUZZER_PERIOD 300U
/** Red LED on P1.0. */ /** Red LED on P1.0. */
#define LED_RED_PORT_DIR P1DIR #define LED_RED_PORT_DIR P1DIR
@ -87,6 +87,7 @@ char buffer_cd[17];
/* Hardware feedback */ /* Hardware feedback */
static void update_leds(void); static void update_leds(void);
void buzz_invalid_input(void); void buzz_invalid_input(void);
void buzz_input(void);
void sound_alarm(void); void sound_alarm(void);
void reset_alarm(void); void reset_alarm(void);
@ -233,10 +234,20 @@ void buzz_invalid_input(void)
{ {
/* beep 50ms */ /* beep 50ms */
sound_alarm(); sound_alarm();
sleep(50); sleep(400);
reset_alarm(); reset_alarm();
} }
/**
* @brief Short buzzer beep for invalid input.
*/
void buzz_input(void)
{
/* beep 50ms */
sound_alarm();
sleep(50);
reset_alarm();
}
/** /**
* @brief Sound the alarm continuously. * @brief Sound the alarm continuously.
@ -267,6 +278,8 @@ void reset_alarm(void)
*/ */
static void keypad_handler(char key) static void keypad_handler(char key)
{ {
buzz_input();
keypad_last_key = key; keypad_last_key = key;
keypad_flag_chg = true; keypad_flag_chg = true;
@ -570,6 +583,7 @@ static void door_opened_handler(void)
{ {
if (!open_door_allowed()) { if (!open_door_allowed()) {
transition(STATE_UNAUTHORIZED); transition(STATE_UNAUTHORIZED);
sound_alarm();
} else if ( } else if (
current_state != STATE_EDIT_STOCK_SELECT && current_state != STATE_EDIT_STOCK_SELECT &&
current_state != STATE_EDIT_STOCK_SET && current_state != STATE_EDIT_STOCK_SET &&
@ -603,6 +617,8 @@ static void door_closed_handler(void)
transition(STATE_IDLE); transition(STATE_IDLE);
door_open = false; door_open = false;
} }
reset_alarm();
} }