You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
179 lines
3.9 KiB
179 lines
3.9 KiB
/** @file jukebox1.c
|
|
@author M.P. Hayes
|
|
@date 30 Aug 2013
|
|
|
|
@note The fidelity of the notes is poor due to jitter
|
|
produced by the display task.
|
|
@note The tunes are stored in RAM. Adding more tunes can cause
|
|
a subtle memory overflow and the program will fail. A solution
|
|
would be to store the tunes in flash memory but this requires
|
|
some jiggery-pokery due to the Harvard architecture of the AVR.
|
|
*/
|
|
|
|
#include "system.h"
|
|
#include "navswitch.h"
|
|
#include "led.h"
|
|
#include "pio.h"
|
|
#include "task.h"
|
|
#include "tweeter.h"
|
|
#include "mmelody.h"
|
|
#include "tinygl.h"
|
|
#include "../fonts/font3x5_1.h"
|
|
|
|
|
|
/* Connect piezo tweeter to pins 6 and 8 of UCFK4 P1 connector
|
|
for push-pull operation. */
|
|
#define PIEZO1_PIO PIO_DEFINE (PORT_D, 4)
|
|
#define PIEZO2_PIO PIO_DEFINE (PORT_D, 6)
|
|
|
|
/* Define polling rates in Hz. */
|
|
#define TWEETER_TASK_RATE 20000
|
|
|
|
#define TUNE_TASK_RATE 200
|
|
|
|
#define NAVSWITCH_TASK_RATE 10
|
|
|
|
#define TUNE_BPM_RATE 200
|
|
|
|
#define LED_TASK_RATE (TUNE_BPM_RATE / 60.0)
|
|
|
|
#define DISPLAY_TASK_RATE 200
|
|
|
|
|
|
static tweeter_scale_t scale_table[] = TWEETER_SCALE_TABLE (TWEETER_TASK_RATE);
|
|
static tweeter_t tweeter;
|
|
static mmelody_t melody;
|
|
static mmelody_obj_t melody_info;
|
|
static tweeter_obj_t tweeter_info;
|
|
static char *note_names[] = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"};
|
|
|
|
static const char tune1[] =
|
|
{
|
|
#include "are_friends_electric.mmel"
|
|
};
|
|
|
|
static const char tune2[] =
|
|
{
|
|
#include "imperial_march.mmel"
|
|
};
|
|
|
|
|
|
void
|
|
note_play (tweeter_t tweeter, tweeter_note_t note, uint8_t velocity)
|
|
{
|
|
tinygl_clear ();
|
|
if (note != 0 && velocity != 0)
|
|
tinygl_text (note_names[note % 12]);
|
|
|
|
tweeter_note_play (tweeter, note, velocity);
|
|
}
|
|
|
|
|
|
static void led_flash_task_init (void)
|
|
{
|
|
led_init ();
|
|
}
|
|
|
|
|
|
static void led_flash_task (__unused__ void *data)
|
|
{
|
|
static uint8_t state = 0;
|
|
|
|
led_set (LED1, state);
|
|
state = !state;
|
|
}
|
|
|
|
|
|
static void tweeter_task_init (void)
|
|
{
|
|
tweeter = tweeter_init (&tweeter_info, TWEETER_TASK_RATE, scale_table);
|
|
|
|
pio_config_set (PIEZO1_PIO, PIO_OUTPUT_LOW);
|
|
pio_config_set (PIEZO2_PIO, PIO_OUTPUT_HIGH);
|
|
}
|
|
|
|
|
|
static void tweeter_task (__unused__ void *data)
|
|
{
|
|
uint8_t state;
|
|
|
|
state = tweeter_update (tweeter);
|
|
pio_output_set (PIEZO1_PIO, state);
|
|
pio_output_set (PIEZO2_PIO, !state);
|
|
}
|
|
|
|
|
|
static void tune_task_init (void)
|
|
{
|
|
melody = mmelody_init (&melody_info, TUNE_TASK_RATE,
|
|
(mmelody_callback_t) note_play, tweeter);
|
|
|
|
mmelody_speed_set (melody, TUNE_BPM_RATE);
|
|
}
|
|
|
|
|
|
static void tune_task (__unused__ void *data)
|
|
{
|
|
mmelody_update (melody);
|
|
}
|
|
|
|
|
|
static void navswitch_task_init (void)
|
|
{
|
|
navswitch_init ();
|
|
}
|
|
|
|
|
|
static void navswitch_task (__unused__ void *data)
|
|
{
|
|
navswitch_update ();
|
|
|
|
if (navswitch_push_event_p (NAVSWITCH_PUSH))
|
|
{
|
|
mmelody_play (melody, 0);
|
|
}
|
|
if (navswitch_push_event_p (NAVSWITCH_NORTH))
|
|
mmelody_play (melody, tune1);
|
|
if (navswitch_push_event_p (NAVSWITCH_SOUTH))
|
|
mmelody_play (melody, tune2);
|
|
}
|
|
|
|
|
|
static void display_task_init (void)
|
|
{
|
|
tinygl_init (DISPLAY_TASK_RATE);
|
|
tinygl_font_set (&font3x5_1);
|
|
tinygl_text_mode_set (TINYGL_TEXT_MODE_STEP);
|
|
tinygl_text_dir_set (TINYGL_TEXT_DIR_ROTATE);
|
|
}
|
|
|
|
|
|
static void display_task (__unused__ void *data)
|
|
{
|
|
tinygl_update ();
|
|
}
|
|
|
|
|
|
int main (void)
|
|
{
|
|
task_t tasks[] =
|
|
{
|
|
{.func = tweeter_task, .period = TASK_RATE / TWEETER_TASK_RATE, .data = 0},
|
|
{.func = led_flash_task, .period = TASK_RATE / LED_TASK_RATE, .data = 0},
|
|
{.func = tune_task, .period = TASK_RATE / TUNE_TASK_RATE, .data = 0},
|
|
{.func = display_task, .period = TASK_RATE / DISPLAY_TASK_RATE, .data = 0},
|
|
{.func = navswitch_task, .period = TASK_RATE / NAVSWITCH_TASK_RATE, .data = 0},
|
|
};
|
|
|
|
system_init ();
|
|
|
|
led_flash_task_init ();
|
|
tweeter_task_init ();
|
|
tune_task_init ();
|
|
display_task_init ();
|
|
navswitch_task_init ();
|
|
|
|
task_schedule (tasks, ARRAY_SIZE (tasks));
|
|
return 0;
|
|
}
|