Jasper Wallace / Mbed 2 deprecated net-o-meter

The London Hackspace bandwidth meter

Dependencies:   LPD8806 MODSERIAL mbed picojson

See:

main.cpp@3:7fca72f96711, 2012-08-23 (annotated)

Committer:
Jasper
Date:
Thu Aug 23 00:17:04 2012 +0000
Revision:
3:7fca72f96711
Parent:
2:81155674a852
Child:
4:7087ea3d13c1
got the vfd working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jasper 0:0a6f193d5344 1 #include "mbed.h"
Jasper 3:7fca72f96711 2 #include "ctype.h"
Jasper 0:0a6f193d5344 3
Jasper 0:0a6f193d5344 4 #include "LPD8806.h"
Jasper 3:7fca72f96711 5 #include "vfd.h"
Jasper 0:0a6f193d5344 6
Jasper 0:0a6f193d5344 7 DigitalOut led1(LED1);
Jasper 0:0a6f193d5344 8 DigitalOut led2(LED2);
Jasper 0:0a6f193d5344 9 DigitalOut led3(LED3);
Jasper 0:0a6f193d5344 10 DigitalOut led4(LED4);
Jasper 0:0a6f193d5344 11
Jasper 3:7fca72f96711 12 Ethernet eth;
Jasper 3:7fca72f96711 13
Jasper 1:e384e7146746 14 /* talk to the world */
Jasper 1:e384e7146746 15 Serial pc(USBTX, USBRX);
Jasper 0:0a6f193d5344 16
Jasper 1:e384e7146746 17 LPD8806 strip = LPD8806(32);
Jasper 0:0a6f193d5344 18
Jasper 0:0a6f193d5344 19 void setPixelsTop(int start, int end, int colour) {
Jasper 0:0a6f193d5344 20 int i;
Jasper 0:0a6f193d5344 21
Jasper 0:0a6f193d5344 22 for (i = start; i < end + 1 ; i++) {
Jasper 0:0a6f193d5344 23 strip.setPixelColor(i, colour);
Jasper 0:0a6f193d5344 24 }
Jasper 0:0a6f193d5344 25 }
Jasper 0:0a6f193d5344 26
Jasper 0:0a6f193d5344 27 void setPixelsBottom(int start, int end, int colour) {
Jasper 0:0a6f193d5344 28 int i;
Jasper 0:0a6f193d5344 29
Jasper 0:0a6f193d5344 30 for (i = start; i < end + 1 ; i++) {
Jasper 0:0a6f193d5344 31 strip.setPixelColor(16 + i, colour);
Jasper 0:0a6f193d5344 32 }
Jasper 0:0a6f193d5344 33 }
Jasper 0:0a6f193d5344 34
Jasper 1:e384e7146746 35 /* 0 - 16 */
Jasper 1:e384e7146746 36 void top_strip(int quantity){
Jasper 1:e384e7146746 37 if (quantity < 16) {
Jasper 1:e384e7146746 38 // blank unused bits.
Jasper 1:e384e7146746 39 setPixelsTop(quantity, 16, 0);
Jasper 1:e384e7146746 40 }
Jasper 1:e384e7146746 41
Jasper 1:e384e7146746 42 if (quantity == 0) return;
Jasper 1:e384e7146746 43
Jasper 1:e384e7146746 44 quantity --;
Jasper 1:e384e7146746 45
Jasper 1:e384e7146746 46 setPixelsTop(0, quantity < 12 ? quantity : 11, strip.Color(0, 127, 0));
Jasper 1:e384e7146746 47
Jasper 1:e384e7146746 48 if (quantity > 11)
Jasper 1:e384e7146746 49 setPixelsTop(12, quantity < 14 ? quantity : 14, strip.Color(127, 127, 0));
Jasper 1:e384e7146746 50
Jasper 1:e384e7146746 51 if (quantity > 13)
Jasper 1:e384e7146746 52 setPixelsTop(14, quantity < 16 ? quantity : 16, strip.Color(127, 0, 0));
Jasper 1:e384e7146746 53 }
Jasper 1:e384e7146746 54
Jasper 1:e384e7146746 55 void bottom_strip(int quantity){
Jasper 1:e384e7146746 56 if (quantity < 16) {
Jasper 1:e384e7146746 57 // blank unused bits.
Jasper 1:e384e7146746 58 setPixelsBottom(quantity, 16, 0);
Jasper 1:e384e7146746 59 }
Jasper 1:e384e7146746 60
Jasper 1:e384e7146746 61 if (quantity == 0) return;
Jasper 1:e384e7146746 62 quantity --;
Jasper 1:e384e7146746 63
Jasper 1:e384e7146746 64 setPixelsBottom(0, quantity < 12 ? quantity : 11, strip.Color(0, 127, 0));
Jasper 1:e384e7146746 65
Jasper 1:e384e7146746 66 if (quantity > 11)
Jasper 1:e384e7146746 67 setPixelsBottom(12, quantity < 14 ? quantity : 14, strip.Color(127, 127, 0));
Jasper 1:e384e7146746 68
Jasper 1:e384e7146746 69 if (quantity > 13)
Jasper 1:e384e7146746 70 setPixelsBottom(14, quantity < 16 ? quantity : 16, strip.Color(127, 0, 0));
Jasper 1:e384e7146746 71 }
Jasper 1:e384e7146746 72
Jasper 3:7fca72f96711 73 void emf_blue() {
Jasper 3:7fca72f96711 74 setPixelsBottom(0, 15, strip.Color(0, 161, 228));
Jasper 3:7fca72f96711 75 setPixelsTop(0, 15, strip.Color(0, 161, 228));
Jasper 3:7fca72f96711 76 }
Jasper 3:7fca72f96711 77
Jasper 1:e384e7146746 78 #define s_looking 1
Jasper 1:e384e7146746 79 #define s_top 2
Jasper 1:e384e7146746 80 #define s_bottom 3
Jasper 1:e384e7146746 81
Jasper 0:0a6f193d5344 82 int main() {
Jasper 1:e384e7146746 83 int t = 0, b = 0;
Jasper 1:e384e7146746 84 int i, state = s_looking, tmp = 0, col = 1;
Jasper 1:e384e7146746 85 bool changed = false;
Jasper 1:e384e7146746 86 char got;
Jasper 3:7fca72f96711 87 char buf[0x600];
Jasper 3:7fca72f96711 88 char mad[6];
Jasper 3:7fca72f96711 89
Jasper 3:7fca72f96711 90 pc.printf("Hello!\r\n");
Jasper 3:7fca72f96711 91
Jasper 3:7fca72f96711 92 vfd_init();
Jasper 3:7fca72f96711 93 wait_ms(1);
Jasper 3:7fca72f96711 94
Jasper 3:7fca72f96711 95 for (i = 'a'; i < 'a' + 25 ; i++){
Jasper 3:7fca72f96711 96 vfd_data(i);
Jasper 3:7fca72f96711 97 }
Jasper 3:7fca72f96711 98 for (i = 'a'; i < 'a' + 25 ; i++){
Jasper 3:7fca72f96711 99 vfd_data(i);
Jasper 3:7fca72f96711 100 }
Jasper 3:7fca72f96711 101 for (i = 'a'; i < 'a' + 25 ; i++){
Jasper 3:7fca72f96711 102 vfd_data(i);
Jasper 3:7fca72f96711 103 }
Jasper 3:7fca72f96711 104
Jasper 3:7fca72f96711 105 /* eth.init();
Jasper 3:7fca72f96711 106 eth.connect();
Jasper 3:7fca72f96711 107 printf("IP Address is %s\n", eth.getIPAddress());
Jasper 3:7fca72f96711 108 eth.disconnect();*/
Jasper 0:0a6f193d5344 109
Jasper 0:0a6f193d5344 110 strip.begin();
Jasper 0:0a6f193d5344 111
Jasper 0:0a6f193d5344 112 for (i = 0 ; i < strip.numPixels() ; i++) {
Jasper 0:0a6f193d5344 113 // clear the strip
Jasper 0:0a6f193d5344 114 strip.setPixelColor(i, 0);
Jasper 0:0a6f193d5344 115 }
Jasper 0:0a6f193d5344 116
Jasper 0:0a6f193d5344 117 strip.show();
Jasper 0:0a6f193d5344 118
Jasper 0:0a6f193d5344 119 while(1) {
Jasper 0:0a6f193d5344 120
Jasper 1:e384e7146746 121 if (pc.readable()) {
Jasper 1:e384e7146746 122 got = pc.getc();
Jasper 3:7fca72f96711 123 if (isprint(got))
Jasper 3:7fca72f96711 124 pc.putc(got); // remote echo
Jasper 3:7fca72f96711 125 vfd_data(got);
Jasper 1:e384e7146746 126 changed = false;
Jasper 1:e384e7146746 127
Jasper 1:e384e7146746 128 if (got == '\n' || got == '\r') {
Jasper 1:e384e7146746 129 if (state == s_top)
Jasper 1:e384e7146746 130 t = tmp;
Jasper 1:e384e7146746 131 if (state == s_bottom)
Jasper 1:e384e7146746 132 b = tmp;
Jasper 1:e384e7146746 133 state = s_looking;
Jasper 1:e384e7146746 134 tmp = 0;
Jasper 1:e384e7146746 135 col = 1;
Jasper 1:e384e7146746 136 if (t > 16) t = 16;
Jasper 1:e384e7146746 137 if (b > 16) b = 16;
Jasper 3:7fca72f96711 138 printf("t: %d b: %d\r\n", t, b);
Jasper 1:e384e7146746 139 changed = true;
Jasper 3:7fca72f96711 140 printf("link: %d\r\n", eth.link());
Jasper 3:7fca72f96711 141 if (eth.link()) {
Jasper 3:7fca72f96711 142 eth.address(mad);
Jasper 3:7fca72f96711 143 printf("mymac: %02X:%02X:%02X:%02X:%02X:%02X\r\n",
Jasper 3:7fca72f96711 144 mad[0], mad[1], mad[2], mad[3], mad[4], mad[5]);
Jasper 3:7fca72f96711 145 }
Jasper 1:e384e7146746 146 } else if (got == 'b') {
Jasper 1:e384e7146746 147 state = s_bottom;
Jasper 1:e384e7146746 148 } else if (got == 't') {
Jasper 1:e384e7146746 149 state = s_top;
Jasper 3:7fca72f96711 150 } else if (got == 'e') {
Jasper 3:7fca72f96711 151 emf_blue();
Jasper 3:7fca72f96711 152 strip.show();
Jasper 1:e384e7146746 153 } else if (got <= '9' and got >= '0') {
Jasper 1:e384e7146746 154 tmp += (got - '0') * col;
Jasper 1:e384e7146746 155 col = col * 10;
Jasper 1:e384e7146746 156 }
Jasper 1:e384e7146746 157 }
Jasper 1:e384e7146746 158 if (changed)
Jasper 0:0a6f193d5344 159 {
Jasper 2:81155674a852 160 led1 = led1 ? 0 : 1;
Jasper 1:e384e7146746 161 top_strip(t);
Jasper 1:e384e7146746 162 bottom_strip(b);
Jasper 0:0a6f193d5344 163 strip.show();
Jasper 0:0a6f193d5344 164 }
Jasper 3:7fca72f96711 165
Jasper 3:7fca72f96711 166 int size = eth.receive();
Jasper 3:7fca72f96711 167 /* if(size > 0) {
Jasper 3:7fca72f96711 168 eth.read(buf, size);
Jasper 3:7fca72f96711 169 printf("Destination: %02X:%02X:%02X:%02X:%02X:%02X\r\n",
Jasper 3:7fca72f96711 170 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
Jasper 3:7fca72f96711 171 printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\r\n",
Jasper 3:7fca72f96711 172 buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
Jasper 3:7fca72f96711 173 printf("Size: %d\r\n", size);
Jasper 3:7fca72f96711 174 }*/
Jasper 3:7fca72f96711 175
Jasper 0:0a6f193d5344 176 }
Jasper 0:0a6f193d5344 177 }