Simon Ford
Twittering Billy Bass plays back samples and looks out for and reads twitters!
Dependencies: NetServices mbed
main.cpp@0:ad2574c88043, 2011-04-06 (annotated)
- Committer:
- simon
- Date:
- Wed Apr 06 15:16:45 2011 +0000
- Revision:
- 0:ad2574c88043
- Child:
- 1:27b1efbf5a46
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| simon | 0:ad2574c88043 | 1 | #include "mbed.h" |
| simon | 0:ad2574c88043 | 2 | |
| simon | 0:ad2574c88043 | 3 | #include "MSCFileSystem.h" |
| simon | 0:ad2574c88043 | 4 | #include "billy.h" |
| simon | 0:ad2574c88043 | 5 | #include "EthernetNetIf.h" |
| simon | 0:ad2574c88043 | 6 | #include "HTTPClient.h" |
| simon | 0:ad2574c88043 | 7 | |
| simon | 0:ad2574c88043 | 8 | EthernetNetIf eth; |
| simon | 0:ad2574c88043 | 9 | HTTPClient http; |
| simon | 0:ad2574c88043 | 10 | |
| simon | 0:ad2574c88043 | 11 | MSCFileSystem usb("usb"); |
| simon | 0:ad2574c88043 | 12 | |
| simon | 0:ad2574c88043 | 13 | DigitalOut setup_led(LED1); |
| simon | 0:ad2574c88043 | 14 | DigitalOut waiting_led(LED2); |
| simon | 0:ad2574c88043 | 15 | DigitalOut downloading_led(LED3); |
| simon | 0:ad2574c88043 | 16 | DigitalOut button_led(LED4); |
| simon | 0:ad2574c88043 | 17 | |
| simon | 0:ad2574c88043 | 18 | int get_file(char *url, char *file) { |
| simon | 0:ad2574c88043 | 19 | printf("Getting url to file [%s]...\n", url); |
| simon | 0:ad2574c88043 | 20 | HTTPFile f(file); |
| simon | 0:ad2574c88043 | 21 | HTTPResult r = http.get(url, &f); |
| simon | 0:ad2574c88043 | 22 | if (r != HTTP_OK) { |
| simon | 0:ad2574c88043 | 23 | printf("HTTPResult error %d\n", r); |
| simon | 0:ad2574c88043 | 24 | return 0; |
| simon | 0:ad2574c88043 | 25 | } |
| simon | 0:ad2574c88043 | 26 | return 1; |
| simon | 0:ad2574c88043 | 27 | } |
| simon | 0:ad2574c88043 | 28 | |
| simon | 0:ad2574c88043 | 29 | int get_string(char *url, char *str) { |
| simon | 0:ad2574c88043 | 30 | printf("Getting url [%s] to string...\n", url); |
| simon | 0:ad2574c88043 | 31 | HTTPText t; |
| simon | 0:ad2574c88043 | 32 | HTTPResult r = http.get("http://danros.org.uk/billy/billy.py", &t); |
| simon | 0:ad2574c88043 | 33 | if (r != HTTP_OK) { |
| simon | 0:ad2574c88043 | 34 | printf("HTTPResult error %d\n", r); |
| simon | 0:ad2574c88043 | 35 | str[0] = 0; |
| simon | 0:ad2574c88043 | 36 | return 0; |
| simon | 0:ad2574c88043 | 37 | } |
| simon | 0:ad2574c88043 | 38 | strcpy(str, t.gets()); |
| simon | 0:ad2574c88043 | 39 | return 1; |
| simon | 0:ad2574c88043 | 40 | } |
| simon | 0:ad2574c88043 | 41 | |
| simon | 0:ad2574c88043 | 42 | int billy_get_id(char *id) { |
| simon | 0:ad2574c88043 | 43 | return get_string("http://danros.org.uk/billy/billy.py", id); |
| simon | 0:ad2574c88043 | 44 | } |
| simon | 0:ad2574c88043 | 45 | |
| simon | 0:ad2574c88043 | 46 | int billy_get_wav(char *id) { |
| simon | 0:ad2574c88043 | 47 | char url[128]; |
| simon | 0:ad2574c88043 | 48 | sprintf(url, "http://danros.org.uk/billydata/%s.wav", id); |
| simon | 0:ad2574c88043 | 49 | return get_file(url, "/usb/download.wav"); |
| simon | 0:ad2574c88043 | 50 | } |
| simon | 0:ad2574c88043 | 51 | |
| simon | 0:ad2574c88043 | 52 | int billy_get_mov(char *id) { |
| simon | 0:ad2574c88043 | 53 | char url[128]; |
| simon | 0:ad2574c88043 | 54 | sprintf(url, "http://danros.org.uk/billydata/%s.txt", id); |
| simon | 0:ad2574c88043 | 55 | return get_file(url, "/usb/download.txt"); |
| simon | 0:ad2574c88043 | 56 | } |
| simon | 0:ad2574c88043 | 57 | |
| simon | 0:ad2574c88043 | 58 | int billy_get_new_message() { |
| simon | 0:ad2574c88043 | 59 | static char last[64] = {0}; |
| simon | 0:ad2574c88043 | 60 | char id[64]; |
| simon | 0:ad2574c88043 | 61 | billy_get_id(id); |
| simon | 0:ad2574c88043 | 62 | if (strcmp(last, id) != 0) { // new message |
| simon | 0:ad2574c88043 | 63 | printf("New message found...\n"); |
| simon | 0:ad2574c88043 | 64 | downloading_led = 1; |
| simon | 0:ad2574c88043 | 65 | billy_get_wav(id); |
| simon | 0:ad2574c88043 | 66 | billy_get_mov(id); |
| simon | 0:ad2574c88043 | 67 | strcpy(last, id); |
| simon | 0:ad2574c88043 | 68 | downloading_led = 0; |
| simon | 0:ad2574c88043 | 69 | return 1; |
| simon | 0:ad2574c88043 | 70 | } |
| simon | 0:ad2574c88043 | 71 | return 0; |
| simon | 0:ad2574c88043 | 72 | } |
| simon | 0:ad2574c88043 | 73 | |
| simon | 0:ad2574c88043 | 74 | const char *songs[] = {"baddonut", "belcher", "people", "clinton", "coconut", "bushfool", "ecky", "ni", "looney", "lumber"}; |
| simon | 0:ad2574c88043 | 75 | int nsongs = 10; |
| simon | 0:ad2574c88043 | 76 | |
| simon | 0:ad2574c88043 | 77 | int billy_play_next() { |
| simon | 0:ad2574c88043 | 78 | static int n = 0; |
| simon | 0:ad2574c88043 | 79 | char wavname[64]; |
| simon | 0:ad2574c88043 | 80 | char cmdname[64]; |
| simon | 0:ad2574c88043 | 81 | sprintf(wavname, "/usb/%s.wav", songs[n]); |
| simon | 0:ad2574c88043 | 82 | sprintf(cmdname, "/usb/%s.txt", songs[n]); |
| simon | 0:ad2574c88043 | 83 | n = (n + 1) % nsongs; |
| simon | 0:ad2574c88043 | 84 | billy_play(wavname, cmdname); |
| simon | 0:ad2574c88043 | 85 | } |
| simon | 0:ad2574c88043 | 86 | |
| simon | 0:ad2574c88043 | 87 | // Capture button presses |
| simon | 0:ad2574c88043 | 88 | InterruptIn button(p24); |
| simon | 0:ad2574c88043 | 89 | void button_press() { |
| simon | 0:ad2574c88043 | 90 | if(button) { |
| simon | 0:ad2574c88043 | 91 | button_led = 1; |
| simon | 0:ad2574c88043 | 92 | } |
| simon | 0:ad2574c88043 | 93 | } |
| simon | 0:ad2574c88043 | 94 | |
| simon | 0:ad2574c88043 | 95 | int main() { |
| simon | 0:ad2574c88043 | 96 | printf("Twittering billy...\n"); |
| simon | 0:ad2574c88043 | 97 | |
| simon | 0:ad2574c88043 | 98 | printf("Setup network...\n"); |
| simon | 0:ad2574c88043 | 99 | setup_led = 1; |
| simon | 0:ad2574c88043 | 100 | EthernetErr ethErr = eth.setup(); |
| simon | 0:ad2574c88043 | 101 | if (ethErr) { |
| simon | 0:ad2574c88043 | 102 | error("Error %d in setup\n", ethErr); |
| simon | 0:ad2574c88043 | 103 | } |
| simon | 0:ad2574c88043 | 104 | printf("Network setup OK!\n"); |
| simon | 0:ad2574c88043 | 105 | setup_led = 0; |
| simon | 0:ad2574c88043 | 106 | |
| simon | 0:ad2574c88043 | 107 | button.rise(&button_press); |
| simon | 0:ad2574c88043 | 108 | |
| simon | 0:ad2574c88043 | 109 | while (1) { |
| simon | 0:ad2574c88043 | 110 | if(billy_get_new_message()) { |
| simon | 0:ad2574c88043 | 111 | billy_play("/usb/download.wav", "/usb/download.txt"); |
| simon | 0:ad2574c88043 | 112 | } |
| simon | 0:ad2574c88043 | 113 | |
| simon | 0:ad2574c88043 | 114 | if (button_led) { |
| simon | 0:ad2574c88043 | 115 | billy_play_next(); |
| simon | 0:ad2574c88043 | 116 | button_led = 0; |
| simon | 0:ad2574c88043 | 117 | } |
| simon | 0:ad2574c88043 | 118 | |
| simon | 0:ad2574c88043 | 119 | waiting_led = !waiting_led; |
| simon | 0:ad2574c88043 | 120 | wait(1); |
| simon | 0:ad2574c88043 | 121 | } |
| simon | 0:ad2574c88043 | 122 | } |
| simon | 0:ad2574c88043 | 123 |