aw/pentabug
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Add notes to buzzer functions

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Thammi 2013-08-30 17:41:35 +02:00
parent 4c86295315
commit a1e24807fb
1 changed files with 3 additions and 1 deletions
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firmware/include/pentabug/hal.h
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@ -17,7 +17,6 @@ void init_hw(void);
// resets hardware to a state which is convenient for starting applications // resets hardware to a state which is convenient for starting applications
void reset_hw(void); void reset_hw(void);
// BUTTONS // BUTTONS
// returns 1 if the button is currently pressed, 0 otherwise // returns 1 if the button is currently pressed, 0 otherwise
@ -44,9 +43,12 @@ void motor_inv(void);
// BUZZER // BUZZER
// turns buzzer into one of the sound wave creating states
void buzzer_up(void); void buzzer_up(void);
void buzzer_down(void); void buzzer_down(void);
// inverts both buzzer pins, creates a sound wave if buzzer was previously up or down (see above)
void buzzer_inv(void); void buzzer_inv(void);
// turns buzzer off, buzzer_inv() won't create a sound wave after this call
void buzzer_off(void); void buzzer_off(void);
// WAITING // WAITING