Mercurial > mbsePi-apps / file comparison
comparison: thermferm/lcd-buffer.c
thermferm/lcd-buffer.c
- changeset 200
- a215ddaabbe2
- parent 108
- 50d2187fdb74
- child 204
- 9a14d6b2de7f
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| 199:3f5d277a69e3 | 200:a215ddaabbe2 |
|---|---|
| 21 *****************************************************************************/ | 21 *****************************************************************************/ |
| 22 | 22 |
| 23 #include "thermferm.h" | 23 #include "thermferm.h" |
| 24 #include "lcd-buffer.h" | 24 #include "lcd-buffer.h" |
| 25 #include "lcd-pcf8574.h" | 25 #include "lcd-pcf8574.h" |
| 26 #include "panel.h" | |
| 26 | 27 |
| 27 | 28 |
| 28 #ifdef HAVE_WIRINGPI_H | 29 #ifdef HAVE_WIRINGPI_H |
| 29 | 30 |
| 30 int current_lines = 0; | 31 int current_lines = 0; |
| 31 int current_offset = 0; | 32 int current_offset = 0; |
| 32 int current_second = 0; | 33 int first_time = 1; |
| 34 int previous_key = KEY_NONE; | |
| 33 lcd_rows *my_lcd_rows = NULL; | 35 lcd_rows *my_lcd_rows = NULL; |
| 34 | 36 |
| 35 extern int lcdHandle; | 37 extern int lcdHandle; |
| 36 extern sys_config Config; | 38 extern sys_config Config; |
| 37 | 39 |
| 87 } | 89 } |
| 88 | 90 |
| 89 | 91 |
| 90 | 92 |
| 91 /* | 93 /* |
| 92 * This will be called each second. | 94 * This will be called from the main thread if not in edit mode. |
| 93 */ | 95 */ |
| 94 void lcd_buf_show(void) | 96 void lcd_buf_show(void) |
| 95 { | 97 { |
| 96 int i = 0, r = 0; | 98 int i = 0, r = 0, key, doit = FALSE; |
| 97 lcd_rows *tmp; | 99 lcd_rows *tmp; |
| 100 | |
| 101 key = keycheck(); | |
| 102 | |
| 103 if ((key == KEY_NONE) && (previous_key == KEY_DOWN)) { | |
| 104 if (current_offset < (current_lines - Config.lcd_rows)) | |
| 105 current_offset = current_offset + Config.lcd_rows; | |
| 106 else | |
| 107 current_offset = 0; | |
| 108 doit = TRUE; | |
| 109 } | |
| 110 if ((key == KEY_NONE) && (previous_key == KEY_UP)) { | |
| 111 if (current_offset > Config.lcd_rows) | |
| 112 current_offset = current_offset - Config.lcd_rows; | |
| 113 else | |
| 114 current_offset = (current_lines - Config.lcd_rows); | |
| 115 doit = TRUE; | |
| 116 } | |
| 117 previous_key = key; | |
| 118 | |
| 119 | |
| 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 | |
| 128 if (! doit) | |
| 129 return; | |
| 98 | 130 |
| 99 for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { | 131 for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { |
| 100 if (i == current_offset) | 132 if (i == current_offset) |
| 101 break; | 133 break; |
| 102 i++; | 134 i++; |
| 112 else | 144 else |
| 113 tmp = my_lcd_rows; | 145 tmp = my_lcd_rows; |
| 114 lcdPosition(lcdHandle, 0, r); | 146 lcdPosition(lcdHandle, 0, r); |
| 115 mb_lcdPuts(lcdHandle, tmp->row); | 147 mb_lcdPuts(lcdHandle, tmp->row); |
| 116 } | 148 } |
| 117 | |
| 118 current_second++; | |
| 119 if (current_second < 5) | |
| 120 return; | |
| 121 | |
| 122 /* | |
| 123 * Wrap display | |
| 124 */ | |
| 125 current_second = 0; | |
| 126 if (current_offset < (current_lines - Config.lcd_rows)) | |
| 127 current_offset = current_offset + Config.lcd_rows; | |
| 128 else | |
| 129 current_offset = 0; | |
| 130 } | 149 } |
| 131 | 150 |
| 132 | 151 |
| 133 | 152 |
| 134 #endif | 153 #endif |
