Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 1 | /* Public Domain Curses */ |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 2 | |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 3 | #include "lppdc.h" |
| 4 | #include <usb/usb.h> |
| 5 | |
| 6 | unsigned long pdc_key_modifiers = 0L; |
| 7 | |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 8 | #if IS_ENABLED(CONFIG_LP_SERIAL_CONSOLE) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 9 | /* We treat serial like a vt100 terminal. For now we |
| 10 | do the cooking in here, but we should probably eventually |
| 11 | pass it to dedicated vt100 code */ |
| 12 | |
| 13 | static int getkeyseq(char *buffer, int len, int max) |
| 14 | { |
| 15 | int i; |
| 16 | |
| 17 | while (1) { |
| 18 | for(i = 0; i < 75; i++) { |
| 19 | if (serial_havechar()) |
| 20 | break; |
| 21 | mdelay(1); |
| 22 | } |
| 23 | |
| 24 | if (i == 75) |
| 25 | return len; |
| 26 | |
| 27 | buffer[len++] = serial_getchar(); |
| 28 | if (len == max) |
| 29 | return len; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | static struct { |
| 34 | const char *seq; |
| 35 | int key; |
| 36 | } escape_codes[] = { |
| 37 | { "[A", KEY_UP }, |
| 38 | { "[B", KEY_DOWN }, |
| 39 | { "[C", KEY_RIGHT }, |
| 40 | { "[D", KEY_LEFT }, |
| 41 | { "[F", KEY_END }, |
| 42 | { "[H", KEY_HOME }, |
| 43 | { "[2~", KEY_IC }, |
| 44 | { "[3~", KEY_DC }, |
| 45 | { "[5~", KEY_PPAGE }, |
| 46 | { "[6~", KEY_NPAGE }, |
| 47 | { "OP", KEY_F(1) }, |
| 48 | { "OQ", KEY_F(2) }, |
| 49 | { "OR", KEY_F(3) }, |
| 50 | { "OS", KEY_F(4) }, |
| 51 | { "[15~", KEY_F(5) }, |
| 52 | { "[17~", KEY_F(6) }, |
| 53 | { "[18~", KEY_F(7) }, |
| 54 | { "[19~", KEY_F(8) }, |
| 55 | { "[20~", KEY_F(9) }, |
| 56 | { "[21~", KEY_F(10) }, |
| 57 | { "[23~", KEY_F(11) }, |
| 58 | { "[24~", KEY_F(12) }, |
| 59 | { NULL }, |
| 60 | }; |
| 61 | |
| 62 | static int handle_escape(void) |
| 63 | { |
| 64 | char buffer[5]; |
| 65 | int len = getkeyseq(buffer, 0, sizeof(buffer)); |
| 66 | int i, t; |
| 67 | |
| 68 | if (len == 0) |
| 69 | return 27; |
| 70 | |
| 71 | for(i = 0; escape_codes[i].seq != NULL; i++) { |
| 72 | const char *p = escape_codes[i].seq; |
| 73 | |
| 74 | for(t = 0; t < len; t++) { |
| 75 | if (!*p || *p != buffer[t]) |
| 76 | break; |
| 77 | p++; |
| 78 | } |
| 79 | |
| 80 | if (t == len) |
| 81 | return escape_codes[i].key; |
| 82 | } |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | static int cook_serial(unsigned char ch) |
| 88 | { |
| 89 | switch(ch) { |
| 90 | case 8: |
| 91 | return KEY_BACKSPACE; |
| 92 | |
| 93 | case 27: |
| 94 | return handle_escape(); |
| 95 | |
| 96 | default: |
| 97 | return ch; |
| 98 | } |
| 99 | } |
| 100 | #endif |
| 101 | |
| 102 | void PDC_set_keyboard_binary(bool on) |
| 103 | { |
| 104 | PDC_LOG(("PDC_set_keyboard_binary() - called\n")); |
| 105 | } |
| 106 | |
| 107 | /* check if a key event is waiting */ |
| 108 | |
| 109 | bool PDC_check_key(void) |
| 110 | { |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 111 | #if IS_ENABLED(CONFIG_LP_USB_HID) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 112 | usb_poll(); |
| 113 | if ((curses_flags & F_ENABLE_CONSOLE) && |
| 114 | usbhid_havechar()) { |
| 115 | return TRUE; |
| 116 | } |
| 117 | #endif |
| 118 | |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 119 | #if IS_ENABLED(CONFIG_LP_PC_KEYBOARD) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 120 | if ((curses_flags & F_ENABLE_CONSOLE) && |
| 121 | keyboard_havechar()) { |
| 122 | return TRUE; |
| 123 | } |
| 124 | #endif |
| 125 | |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 126 | #if IS_ENABLED(CONFIG_LP_SERIAL_CONSOLE) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 127 | if ((curses_flags & F_ENABLE_SERIAL) && |
| 128 | serial_havechar()) { |
| 129 | return TRUE; |
| 130 | } |
| 131 | #endif |
| 132 | |
| 133 | return FALSE; |
| 134 | } |
| 135 | |
| 136 | /* return the next available key event */ |
| 137 | |
| 138 | int PDC_get_key(void) |
| 139 | { |
| 140 | int c = 0; |
| 141 | |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 142 | #if IS_ENABLED(CONFIG_LP_USB_HID) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 143 | usb_poll(); |
| 144 | if ((curses_flags & F_ENABLE_CONSOLE) && |
| 145 | usbhid_havechar()) { |
| 146 | c = usbhid_getchar(); |
| 147 | } |
| 148 | #endif |
| 149 | |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 150 | #if IS_ENABLED(CONFIG_LP_PC_KEYBOARD) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 151 | if ((curses_flags & F_ENABLE_CONSOLE) && |
Dave Frodin | 0a90861 | 2012-11-27 16:02:41 -0700 | [diff] [blame] | 152 | keyboard_havechar() && (c==0)) { |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 153 | c = keyboard_getchar(); |
| 154 | } |
| 155 | #endif |
| 156 | |
Stefan Reinauer | 1b4d394 | 2015-06-29 15:47:34 -0700 | [diff] [blame] | 157 | #if IS_ENABLED(CONFIG_LP_SERIAL_CONSOLE) |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 158 | if ((curses_flags & F_ENABLE_SERIAL) && |
Dave Frodin | 0a90861 | 2012-11-27 16:02:41 -0700 | [diff] [blame] | 159 | serial_havechar() && (c==0)) { |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 160 | c = cook_serial(serial_getchar()); |
| 161 | } |
| 162 | #endif |
| 163 | |
| 164 | SP->key_code = FALSE; |
| 165 | |
| 166 | if (c == 0) { |
| 167 | c = ERR; |
| 168 | } |
| 169 | if (c >= KEY_MIN) { |
| 170 | SP->key_code = TRUE; |
| 171 | } |
| 172 | |
| 173 | return c; |
| 174 | } |
| 175 | |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 176 | /* discard any pending keyboard input -- this is the core |
Patrick Georgi | 3b77b72 | 2011-07-07 15:41:53 +0200 | [diff] [blame] | 177 | routine for flushinp() */ |
| 178 | |
| 179 | void PDC_flushinp(void) |
| 180 | { |
| 181 | PDC_LOG(("PDC_flushinp() - called\n")); |
| 182 | |
| 183 | while (PDC_check_key()) PDC_get_key(); |
| 184 | } |
| 185 | |
| 186 | int PDC_mouse_set(void) |
| 187 | { |
| 188 | return ERR; |
| 189 | } |
| 190 | |
| 191 | int PDC_modifiers_set(void) |
| 192 | { |
| 193 | return OK; |
| 194 | } |