Junichi Katsu
WebAPIサンプルプログラム mbedセミナー演習５
Dependencies: EthernetNetIf TextLCD mbed
main.cpp@0:51f3e67abb19, 2011-08-26 (annotated)
- Committer:
- jksoft
- Date:
- Fri Aug 26 16:12:29 2011 +0000
- Revision:
- 0:51f3e67abb19
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| jksoft | 0:51f3e67abb19 | 1 | #include "mbed.h" |
| jksoft | 0:51f3e67abb19 | 2 | #include "EthernetNetIf.h" |
| jksoft | 0:51f3e67abb19 | 3 | #include "TextLCD.h" |
| jksoft | 0:51f3e67abb19 | 4 | #include "HTTPClient.h" |
| jksoft | 0:51f3e67abb19 | 5 | |
| jksoft | 0:51f3e67abb19 | 6 | TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs, e, d4-d7 |
| jksoft | 0:51f3e67abb19 | 7 | |
| jksoft | 0:51f3e67abb19 | 8 | EthernetNetIf eth; |
| jksoft | 0:51f3e67abb19 | 9 | HTTPClient http; |
| jksoft | 0:51f3e67abb19 | 10 | |
| jksoft | 0:51f3e67abb19 | 11 | int j_paser( const char *buf , char *word , char *out ) |
| jksoft | 0:51f3e67abb19 | 12 | { |
| jksoft | 0:51f3e67abb19 | 13 | int i = 0; |
| jksoft | 0:51f3e67abb19 | 14 | char *p; |
| jksoft | 0:51f3e67abb19 | 15 | char _word[64] = "\"\0"; |
| jksoft | 0:51f3e67abb19 | 16 | |
| jksoft | 0:51f3e67abb19 | 17 | strcat(_word , word ); |
| jksoft | 0:51f3e67abb19 | 18 | strcat(_word , "\"" ); |
| jksoft | 0:51f3e67abb19 | 19 | |
| jksoft | 0:51f3e67abb19 | 20 | p = strstr( (char*)buf , _word ) + 2 + strlen(_word); |
| jksoft | 0:51f3e67abb19 | 21 | |
| jksoft | 0:51f3e67abb19 | 22 | while( (p[i] != ',')&&(p[i] != '\n') ) |
| jksoft | 0:51f3e67abb19 | 23 | { |
| jksoft | 0:51f3e67abb19 | 24 | out[i] = p[i]; |
| jksoft | 0:51f3e67abb19 | 25 | i++; |
| jksoft | 0:51f3e67abb19 | 26 | } |
| jksoft | 0:51f3e67abb19 | 27 | out[i] = '\0'; |
| jksoft | 0:51f3e67abb19 | 28 | |
| jksoft | 0:51f3e67abb19 | 29 | return(i); |
| jksoft | 0:51f3e67abb19 | 30 | } |
| jksoft | 0:51f3e67abb19 | 31 | |
| jksoft | 0:51f3e67abb19 | 32 | int main(void) { |
| jksoft | 0:51f3e67abb19 | 33 | |
| jksoft | 0:51f3e67abb19 | 34 | char year[32]; |
| jksoft | 0:51f3e67abb19 | 35 | char month[32]; |
| jksoft | 0:51f3e67abb19 | 36 | char day[32]; |
| jksoft | 0:51f3e67abb19 | 37 | char hour[32]; |
| jksoft | 0:51f3e67abb19 | 38 | char usage[32]; |
| jksoft | 0:51f3e67abb19 | 39 | char capacity[32]; |
| jksoft | 0:51f3e67abb19 | 40 | |
| jksoft | 0:51f3e67abb19 | 41 | EthernetErr ethErr = eth.setup(); |
| jksoft | 0:51f3e67abb19 | 42 | if(ethErr) |
| jksoft | 0:51f3e67abb19 | 43 | { |
| jksoft | 0:51f3e67abb19 | 44 | lcd.locate(0,0); |
| jksoft | 0:51f3e67abb19 | 45 | lcd.printf("Ethernet err."); |
| jksoft | 0:51f3e67abb19 | 46 | return(-1); |
| jksoft | 0:51f3e67abb19 | 47 | } |
| jksoft | 0:51f3e67abb19 | 48 | |
| jksoft | 0:51f3e67abb19 | 49 | lcd.locate(0,0); |
| jksoft | 0:51f3e67abb19 | 50 | lcd.printf("Getting info."); |
| jksoft | 0:51f3e67abb19 | 51 | |
| jksoft | 0:51f3e67abb19 | 52 | HTTPText txt; |
| jksoft | 0:51f3e67abb19 | 53 | |
| jksoft | 0:51f3e67abb19 | 54 | HTTPResult r = http.get("http://tepco-usage-api.appspot.com/latest.json", &txt); |
| jksoft | 0:51f3e67abb19 | 55 | |
| jksoft | 0:51f3e67abb19 | 56 | if(r==HTTP_OK) |
| jksoft | 0:51f3e67abb19 | 57 | { |
| jksoft | 0:51f3e67abb19 | 58 | j_paser(txt.gets() , "year" , year); |
| jksoft | 0:51f3e67abb19 | 59 | j_paser(txt.gets() , "month" , month); |
| jksoft | 0:51f3e67abb19 | 60 | j_paser(txt.gets() , "day" , day); |
| jksoft | 0:51f3e67abb19 | 61 | j_paser(txt.gets() , "hour" , hour); |
| jksoft | 0:51f3e67abb19 | 62 | j_paser(txt.gets() , "usage" , usage); |
| jksoft | 0:51f3e67abb19 | 63 | j_paser(txt.gets() , "capacity" , capacity); |
| jksoft | 0:51f3e67abb19 | 64 | |
| jksoft | 0:51f3e67abb19 | 65 | lcd.locate(0,0); |
| jksoft | 0:51f3e67abb19 | 66 | lcd.printf("%s/%s/%s %sh",year,month,day,hour); |
| jksoft | 0:51f3e67abb19 | 67 | lcd.locate(0,1); |
| jksoft | 0:51f3e67abb19 | 68 | lcd.printf("%s/%s %3.1f%%",usage,capacity,(((float)atoi(usage)/(float)atoi(capacity))*100.0)); |
| jksoft | 0:51f3e67abb19 | 69 | } |
| jksoft | 0:51f3e67abb19 | 70 | else |
| jksoft | 0:51f3e67abb19 | 71 | { |
| jksoft | 0:51f3e67abb19 | 72 | lcd.locate(0,0); |
| jksoft | 0:51f3e67abb19 | 73 | lcd.printf("Http get err."); |
| jksoft | 0:51f3e67abb19 | 74 | return(-1); |
| jksoft | 0:51f3e67abb19 | 75 | } |
| jksoft | 0:51f3e67abb19 | 76 | |
| jksoft | 0:51f3e67abb19 | 77 | while(1) |
| jksoft | 0:51f3e67abb19 | 78 | { |
| jksoft | 0:51f3e67abb19 | 79 | |
| jksoft | 0:51f3e67abb19 | 80 | } |
| jksoft | 0:51f3e67abb19 | 81 | |
| jksoft | 0:51f3e67abb19 | 82 | return(0); |
| jksoft | 0:51f3e67abb19 | 83 | } |