Commit f736b4e0 authored by Erik Strand's avatar Erik Strand

Clean up midi test

parent cf382268
//
// sampler.c
// midi_test.c
// based on hello.ftdi.44.echo.c
//
// 115200 baud FTDI character echo, with flash string
// 115200 baud FTDI MIDI controller
//
// set lfuse to 0x5E for 20 MHz xtal
//
// Neil Gershenfeld
// 12/8/10
// Erik Strand
// 11/6/2018
// 11/13/2018
//
// (c) Massachusetts Institute of Technology 2010
// This work may be reproduced, modified, distributed,
......@@ -29,7 +29,6 @@
#define pin_test(pins,pin) (pins & pin) // test for port pin
#define bit_test(byte,bit) (byte & (1 << bit)) // test for bit set
#define bit_delay_time 8.4 // bit delay for 115200 with overhead
//#define bit_delay_time 31.82 // bit delay for 31250 with overhead
#define bit_delay() _delay_us(bit_delay_time) // RS232 bit delay
#define half_bit_delay() _delay_us(bit_delay_time/2) // RS232 half bit delay
#define char_delay() _delay_ms(10) // char delay
......@@ -132,46 +131,7 @@ int main(void) {
// 120 ticks per quarter note
const struct MidiEvent events[] = {
// Stagefright
/*
{0, note_on, 40, 100},
{60, note_off, 40, 100},
{60, note_on, 40, 100},
{120, note_off, 40, 100},
{120, note_on, 40, 100},
{180, note_off, 40, 100},
{180, note_on, 42, 100},
{240, note_off, 42, 100},
{240, note_on, 43, 100},
{300, note_off, 43, 100},
{300, note_on, 43, 100},
{360, note_off, 43, 100},
{360, note_on, 44, 100},
{420, note_off, 44, 100},
{420, note_on, 44, 100},
{480, note_off, 44, 100},
//{480, note_on, 45, 100},
//{540, note_off, 45, 100},
{540, note_on, 45, 100},
{600, note_off, 45, 100},
{600, note_on, 45, 100},
{660, note_off, 45, 100},
{660, note_on, 47, 100},
{720, note_off, 47, 100},
{720, note_on, 48, 100},
{780, note_off, 48, 100},
{780, note_on, 48, 100},
{840, note_off, 48, 100},
{840, note_on, 51, 100},
{900, note_off, 51, 100},
{900, note_on, 51, 100},
{960, note_off, 51, 100},
*/
// Bb
// Bb major 7
{0, note_on, 58, 100},
{30, note_on, 62, 100},
{60, note_on, 65, 100},
......@@ -181,34 +141,7 @@ int main(void) {
{180, note_off, 62, 100},
{180, note_off, 58, 100},
{240 + 0, note_on, 58, 100},
{240 + 30, note_on, 61, 100},
{240 + 60, note_on, 64, 100},
{240 + 90, note_on, 67, 100},
{240 + 180, note_off, 67, 100},
{240 + 180, note_off, 64, 100},
{240 + 180, note_off, 61, 100},
{240 + 180, note_off, 58, 100},
{480 + 0, note_on, 60, 100},
{480 + 30, note_on, 64, 100},
{480 + 60, note_on, 65, 100},
{480 + 90, note_on, 69, 100},
{480 + 180, note_off, 69, 100},
{480 + 180, note_off, 65, 100},
{480 + 180, note_off, 64, 100},
{480 + 180, note_off, 60, 100},
{720 + 0, note_on, 60, 100},
{720 + 30, note_on, 63, 100},
{720 + 60, note_on, 65, 100},
{720 + 90, note_on, 69, 100},
{720 + 180, note_off, 69, 100},
{720 + 180, note_off, 65, 100},
{720 + 180, note_off, 63, 100},
{720 + 180, note_off, 60, 100},
// sentinel
// sentinel event
{65535, note_off, 50, 100},
};
......@@ -229,15 +162,6 @@ int main(void) {
current_tick = 0;
event_index = 0;
PORTB ^= led_pin;
/*
while (events[event_index].tick <= current_tick) {
put_char(&serial_port, serial_pin_out, events[event_index].status);
put_char(&serial_port, serial_pin_out, events[event_index].note);
put_char(&serial_port, serial_pin_out, events[event_index].velocity);
++event_index;
}
*/
}
}
}
......
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