Mercurial > mbsePi-apps / file comparison
comparison: thermferm/lcd-buffer.c
thermferm/lcd-buffer.c
- changeset 204
- 9a14d6b2de7f
- parent 200
- a215ddaabbe2
- child 205
- ca18ff45deba
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| 203:47e5109c7f53 | 204:9a14d6b2de7f |
|---|---|
| 28 | 28 |
| 29 #ifdef HAVE_WIRINGPI_H | 29 #ifdef HAVE_WIRINGPI_H |
| 30 | 30 |
| 31 int current_lines = 0; | 31 int current_lines = 0; |
| 32 int current_offset = 0; | 32 int current_offset = 0; |
| 33 int first_time = 1; | |
| 34 int previous_key = KEY_NONE; | |
| 35 lcd_rows *my_lcd_rows = NULL; | 33 lcd_rows *my_lcd_rows = NULL; |
| 36 | 34 |
| 37 extern int lcdHandle; | 35 extern int lcdHandle; |
| 38 extern sys_config Config; | 36 extern sys_config Config; |
| 39 | 37 |
| 88 } | 86 } |
| 89 } | 87 } |
| 90 | 88 |
| 91 | 89 |
| 92 | 90 |
| 93 /* | 91 void lcd_buf_step(void) |
| 94 * This will be called from the main thread if not in edit mode. | |
| 95 */ | |
| 96 void lcd_buf_show(void) | |
| 97 { | 92 { |
| 98 int i = 0, r = 0, key, doit = FALSE; | 93 int key; |
| 99 lcd_rows *tmp; | |
| 100 | 94 |
| 101 key = keycheck(); | 95 key = keycheck(); |
| 102 | 96 |
| 103 if ((key == KEY_NONE) && (previous_key == KEY_DOWN)) { | 97 if (key == KEY_DOWN) { |
| 104 if (current_offset < (current_lines - Config.lcd_rows)) | 98 if (current_offset < (current_lines - Config.lcd_rows)) |
| 105 current_offset = current_offset + Config.lcd_rows; | 99 current_offset = current_offset + Config.lcd_rows; |
| 106 else | 100 else |
| 107 current_offset = 0; | 101 current_offset = 0; |
| 108 doit = TRUE; | 102 lcd_buf_show(); |
| 109 } | 103 } |
| 110 if ((key == KEY_NONE) && (previous_key == KEY_UP)) { | 104 if (key == KEY_UP) { |
| 111 if (current_offset > Config.lcd_rows) | 105 if (current_offset > Config.lcd_rows) |
| 112 current_offset = current_offset - Config.lcd_rows; | 106 current_offset = current_offset - Config.lcd_rows; |
| 113 else | 107 else |
| 114 current_offset = (current_lines - Config.lcd_rows); | 108 current_offset = (current_lines - Config.lcd_rows); |
| 115 doit = TRUE; | 109 lcd_buf_show(); |
| 116 } | 110 } |
| 117 previous_key = key; | 111 } |
| 118 | 112 |
| 119 | 113 |
| 120 /* | |
| 121 * Make sure the display works when the program starts. | |
| 122 */ | |
| 123 if (first_time) { | |
| 124 first_time = 0; | |
| 125 doit = TRUE; | |
| 126 } | |
| 127 | 114 |
| 128 if (! doit) | 115 /* |
| 129 return; | 116 * This will be called from the main thread every second. |
| 117 */ | |
| 118 void lcd_buf_show(void) | |
| 119 { | |
| 120 int i = 0, r = 0; | |
| 121 lcd_rows *tmp; | |
| 130 | 122 |
| 131 for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { | 123 for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { |
| 132 if (i == current_offset) | 124 if (i == current_offset) |
| 133 break; | 125 break; |
| 134 i++; | 126 i++; |
