Mercurial > mbsePi-apps / file comparison
comparison: thermferm/lcd-pcf8574.c
thermferm/lcd-pcf8574.c
- changeset 213
- 2317b8d644fa
- parent 106
- 1bd9a16f5061
- child 223
- 14700edd2a67
equal
deleted
inserted
replaced
| 212:a76cbe676bf1 | 213:2317b8d644fa |
|---|---|
| 37 int bits, rows, cols ; | 37 int bits, rows, cols ; |
| 38 int rsPin, strbPin ; | 38 int rsPin, strbPin ; |
| 39 int dataPins [8] ; | 39 int dataPins [8] ; |
| 40 int cx, cy ; | 40 int cx, cy ; |
| 41 }; | 41 }; |
| 42 | |
| 42 extern struct lcdDataStruct *lcds [MAX_LCDS]; | 43 extern struct lcdDataStruct *lcds [MAX_LCDS]; |
| 44 extern sys_config Config; | |
| 45 | |
| 43 | 46 |
| 44 | 47 |
| 45 /* | 48 /* |
| 46 * Some LCD functions are extended shadow copies of the wiringPi functions. | 49 * Some LCD functions are extended shadow copies of the wiringPi functions. |
| 47 * The difference is that the lcdbuf will be updated with the contents on | 50 * The difference is that the lcdbuf will be updated with the contents on |
| 93 fprintf (stderr, "lcdInit failed\n") ; | 96 fprintf (stderr, "lcdInit failed\n") ; |
| 94 return -1 ; | 97 return -1 ; |
| 95 } | 98 } |
| 96 | 99 |
| 97 lcdClear (lcdHandle) ; | 100 lcdClear (lcdHandle) ; |
| 98 for (x = 0; x < 20; x++) | 101 for (x = 0; x < Config.lcd_cols; x++) |
| 99 for (y = 0; y < 4; y++) | 102 for (y = 0; y < Config.lcd_rows; y++) |
| 100 lcdbuf[lcdHandle][x][y] = ' '; | 103 lcdbuf[lcdHandle][x][y] = ' '; |
| 101 | 104 |
| 102 setBacklight (1) ; | 105 setBacklight (1) ; |
| 103 | 106 |
| 104 return 0 ; | 107 return 0 ; |
| 131 void mb_lcdClear(const int fd) | 134 void mb_lcdClear(const int fd) |
| 132 { | 135 { |
| 133 int x, y; | 136 int x, y; |
| 134 | 137 |
| 135 lcdClear(fd); | 138 lcdClear(fd); |
| 136 for (x = 0; x < 20; x++) | 139 for (x = 0; x < Config.lcd_cols; x++) |
| 137 for (y = 0; y < 4; y++) | 140 for (y = 0; y < Config.lcd_rows; y++) |
| 138 lcdbuf[fd][x][y] = ' '; | 141 lcdbuf[fd][x][y] = ' '; |
| 139 } | 142 } |
| 140 | 143 |
| 141 | 144 |
| 142 | 145 |
