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Enable high - delay_ms(5); + delay_us(20); LCD = ((cmd>>4)&0x0F); - delay_ms(5); + delay_us(20); LCD = (cmd & 0x0F)|ENABLE; //Sending lower nibble Enable low LCD = (cmd & 0x0F); + delay_us(60); } @@ -47,13 +48,13 @@ void lcd_data (char *dat) //Subroutine to send data { while(*dat != '\0') { LCD = (((*dat>>4)&0x0F)|ENABLE|REG_SL); //Sending data by making RS=1 - delay_ms(1); + delay_us(20); LCD = (((*dat>>4)&0x0F)|REG_SL); - delay_ms(1); + delay_us(20); LCD = ((*dat & 0x0F)|ENABLE|REG_SL); - delay_ms(1); + delay_us(20); LCD = ((*dat & 0x0F)|REG_SL); - delay_ms(1); + delay_us(20); dat++; } } @@ -70,25 +71,36 @@ void lcd_init () } -void sweep(void) +void achord(unsigned char count) { -unsigned int freq; -unsigned int z; -unsigned int notes; -unsigned int cycles; - - freq=398; - z=3980; - for(notes=398;notes>2;notes--) { - for(cycles=z/20;cycles>0;cycles--) { - P3=0x55; - delay_us(freq); - P3=0xAA; - delay_us(freq); - } - freq--; - z=z-5; + unsigned char y; + unsigned char r; + for(r=0;r0;y--) { //0.25 sec, A 440Hz + P3=0x55; + delay_us(91); + P3=0xAA; + delay_us(91); + } + for(y=139;y>0;y--) { //0.25 sec, C# 554Hz + P3=0x55; + delay_us(72); + P3=0xAA; + delay_us(72); + } + for(y=165;y>0;y--) { //0.25 sec, E 659Hz + P3=0x55; + delay_us(60); + P3=0xAA; + delay_us(60); + } + for(y=220;y>0;y--) { //0.25 sec, A 880Hz + P3=0x55; + delay_us(44); + P3=0xAA; + delay_us(44); } + } } @@ -96,8 +108,12 @@ unsigned int cycles; void main() { - unsigned char x; + //unsigned int freq; + //unsigned int notes; + //unsigned int cycles; unsigned int y; + //unsigned int z; + lcd_reset(); lcd_init(); lcd_data(" [RuhNet Labs] "); @@ -106,9 +122,10 @@ void main() lcd_init(); //Clear screen and return home lcd_data(" [RuhNet Labs] "); P3 = 0xFF; //turn all P3 outputs on - delay_ms(2000); - lcd_cmd(0x80); // First row first column + delay_ms(1000); + lcd_cmd(0xC0); // Second row first column lcd_data("_Intel 8051 MCU_"); + delay_ms(1000); P3 = 0x00; delay_ms(1000); P3 = 0xFF; @@ -127,45 +144,62 @@ void main() delay_ms(1000); lcd_cmd(0xC0); // Second row first column - lcd_data("P3 rate: ~100Hz "); - for(x=100;x>0;x--) { //2 seconds, 100Hz + lcd_data("P3 rate: ~10Hz "); + for(y=10;y>0;y--) { //0.2 seconds of 100Hz P3=0x55; delay_ms(5); P3=0xAA; delay_ms(5); } - lcd_cmd(0xC0); // Second row first column - lcd_data("P3 rate: ~10Hz "); - for (x=24;x>0;x--) { //4.8 seconds, 10Hz + for (y=24;y>0;y--) { P3=0x55; delay_ms(50); P3=0xAA; delay_ms(50); } - for(x=10;x>0;x--) { //0.2 seconds, + lcd_cmd(0xC0); // Second row first column + lcd_data("P3 rate: ~100Hz "); + for(y=100;y>0;y--) { //2 seconds, 100Hz P3=0x55; delay_ms(5); P3=0xAA; delay_ms(5); } - lcd_cmd(0xC0); // Second row first column - lcd_data("P3 rate: ~220Hz "); - for(x=220;x>0;x--) { //2 sec, 200Hz + lcd_cmd(0xC0); + + lcd_data("P3 rate: ~1000Hz"); + for(y=1000;y>0;y--) { P3=0x55; - delay_us(250); + delay_us(40); P3=0xAA; - delay_us(250); + delay_us(40); } lcd_cmd(0xC0); // Second row first column - lcd_data("P3 rate: ~247Hz "); - for(y=247;y>0;y--) { //2 sec, 250Hz + lcd_data("P3 rate: ~10kHz "); + for(y=10000;y>0;y--) { + P3=0x55; + delay_us(4); + P3=0xAA; + delay_us(4); + } + lcd_cmd(0xC0); + lcd_data("P3 rate: 220Hz~A"); + for(y=220;y>0;y--) { + P3=0x55; + delay_us(181); + P3=0xAA; + delay_us(181); + } + lcd_cmd(0xC0); + lcd_data("P3 rate: 247Hz~B"); + for(y=247;y>0;y--) { P3=0x55; delay_us(161); P3=0xAA; delay_us(161); } - lcd_cmd(0xC0); // Second row first column - lcd_data("P3 rate: ~262Hz "); + lcd_cmd(0xC0); + lcd_data("P3 rate: 262Hz~C"); for(y=262;y>0;y--) { P3=0x55; delay_us(152); @@ -173,7 +207,7 @@ void main() delay_us(152); } lcd_cmd(0xC0); - lcd_data("P3 rate: ~294Hz"); + lcd_data("P3 rate: 294Hz~D"); for(y=294;y>0;y--) { P3=0x55; delay_us(136); @@ -181,7 +215,7 @@ void main() delay_us(135); } lcd_cmd(0xC0); - lcd_data("P3 rate: ~329Hz"); + lcd_data("P3 rate: 329Hz~E"); for(y=329;y>0;y--) { P3=0x55; delay_us(121); @@ -189,7 +223,7 @@ void main() delay_us(121); } lcd_cmd(0xC0); - lcd_data("P3 rate: ~370Hz"); + lcd_data("P3 rate: 370Hz~F"); for(y=370;y>0;y--) { P3=0x55; delay_us(108); @@ -197,7 +231,7 @@ void main() delay_us(107); } lcd_cmd(0xC0); - lcd_data("P3 rate: ~415Hz"); + lcd_data("P3 rate: 415Hz~G"); for(y=415;y>0;y--) { P3=0x55; delay_us(96); @@ -205,7 +239,7 @@ void main() delay_us(96); } lcd_cmd(0xC0); - lcd_data("P3 rate: ~440Hz"); + lcd_data("P3 rate: 440Hz~A"); for(y=440;y>0;y--) { P3=0x55; delay_us(91); @@ -220,7 +254,7 @@ void main() lcd_cmd(0xC0); // Second row first column lcd_data("FruitFly 2167Hz!"); - for(y=7585;y>0;y--) { + for(y=4334;y>0;y--) { //2 seconds P3=0x55; delay_us(18); P3=0xAA; @@ -236,11 +270,11 @@ void main() P3=0xAA; delay_us(91); } - for(y=523;y>0;y--) { //1 sec, C# 523Hz + for(y=554;y>0;y--) { //1 sec, C# 554Hz P3=0x55; - delay_us(76); + delay_us(72); P3=0xAA; - delay_us(76); + delay_us(72); } for(y=659;y>0;y--) { //1 sec, E 659Hz P3=0x55; @@ -255,123 +289,30 @@ void main() delay_us(44); } - - for(y=110;y>0;y--) { //0.25 sec, A 440Hz - P3=0x55; - delay_us(91); - P3=0xAA; - delay_us(91); - } - for(y=131;y>0;y--) { //0.25 sec, C# 523Hz - P3=0x55; - delay_us(76); - P3=0xAA; - delay_us(76); - } - for(y=165;y>0;y--) { //0.25 sec, E 659Hz - P3=0x55; - delay_us(60); - P3=0xAA; - delay_us(60); - } - for(y=220;y>0;y--) { //0.25 sec, A 880Hz - P3=0x55; - delay_us(44); - P3=0xAA; - delay_us(44); - } - - - for(y=110;y>0;y--) { //0.25 sec, A 440Hz - P3=0x55; - delay_us(91); - P3=0xAA; - delay_us(91); - } - for(y=131;y>0;y--) { //0.25 sec, C# 523Hz - P3=0x55; - delay_us(76); - P3=0xAA; - delay_us(76); - } - for(y=165;y>0;y--) { //0.25 sec, E 659Hz - P3=0x55; - delay_us(60); - P3=0xAA; - delay_us(60); - } - for(y=220;y>0;y--) { //0.25 sec, A 880Hz - P3=0x55; - delay_us(44); - P3=0xAA; - delay_us(44); - } - - - - for(y=110;y>0;y--) { //0.25 sec, A 440Hz - P3=0x55; - delay_us(91); - P3=0xAA; - delay_us(91); - } - for(y=131;y>0;y--) { //0.25 sec, C# 523Hz - P3=0x55; - delay_us(76); - P3=0xAA; - delay_us(76); - } - for(y=165;y>0;y--) { //0.25 sec, E 659Hz - P3=0x55; - delay_us(60); - P3=0xAA; - delay_us(60); - } - for(y=220;y>0;y--) { //0.25 sec, A 880Hz - P3=0x55; - delay_us(44); - P3=0xAA; - delay_us(44); - } - - - - for(y=110;y>0;y--) { //0.25 sec, A 440Hz - P3=0x55; - delay_us(91); - P3=0xAA; - delay_us(91); - } - for(y=131;y>0;y--) { //0.25 sec, C# 523Hz - P3=0x55; - delay_us(76); - P3=0xAA; - delay_us(76); - } - for(y=165;y>0;y--) { //0.25 sec, E 659Hz - P3=0x55; - delay_us(60); - P3=0xAA; - delay_us(60); - } - for(y=220;y>0;y--) { //0.25 sec, A 880Hz - P3=0x55; - delay_us(44); - P3=0xAA; - delay_us(44); - } - + achord(4); lcd_cmd(0x80); - lcd_data("Frequency Sweep:"); + lcd_data(" -The|End- "); lcd_cmd(0xC0); // Second row first column - lcd_data("100Hz ~~~ 10kHz "); - sweep(); - - - - - - + lcd_data("https://ruel.io "); + //delay_ms(1000); + + /* + //Doesn't work for some reason: + //Maintins 100Hz indefinitely... :-( + freq=399; + z=3985; + for(notes=398;notes>2;notes--) { + freq--; + z=z-5; + for(cycles=(z/40);cycles>0;cycles--) { + //for(cycles=freq;cycles>0;cycles--) { + P3=0x55; + delay_us(freq); + P3=0xAA; + delay_us(freq); + } + } + */ } } diff --git a/lcd.hex b/lcd.hex index b35eae4..079b902 100644 --- a/lcd.hex +++ b/lcd.hex @@ -1,6 +1,6 @@ :03000000020006F5 :03005F0002000399 -:0300030002028C6A +:0300030002029C5A :10006200AC82AD83AEF0FFEC4D4E4F600F1CBCFF77 :10007200091DBDFF051EBEFF011F80EB22906D60B2 :10008200E4F5F01200627590FF900640E4F5F0127C @@ -8,180 +8,148 @@ :1000A20062759013759003900190E4F5F01200626E :1000B200759013759003900190E4F5F0120062754B :1000C2009012759002900190E4F5F0020062E582D0 -:1000D200FFC4540FFE53060F74104EF5909001901A -:1000E200E4F5F0C007C006120062D0068E909001BF -:1000F20090E4F5F0120062D00753070F74104FF529 -:10010200908F9022AD82AE83AFF08D828E838FF07E -:100112001209C2FC700122ECC4540F30E30244F015 -:10012200FC740F5C4430F590900050E4F5F0C00789 -:10013200C006C005120062D005D006D0078D828E9F 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