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-rw-r--r--quantum/process_keycode/process_printer_bb.c276
1 files changed, 276 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_printer_bb.c b/quantum/process_keycode/process_printer_bb.c
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index 000000000..55d3b552b
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+++ b/quantum/process_keycode/process_printer_bb.c
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1/* Copyright 2016 Jack Humbert
2 *
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#include "process_printer.h"
18#include "action_util.h"
19
20bool printing_enabled = false;
21uint8_t character_shift = 0;
22
23#define SERIAL_PIN_DDR DDRD
24#define SERIAL_PIN_PORT PORTD
25#define SERIAL_PIN_MASK _BV(PD3)
26#define SERIAL_DELAY 52
27
28inline static
29void serial_delay(void) {
30 _delay_us(SERIAL_DELAY);
31}
32
33inline static
34void serial_high(void) {
35 SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
36}
37
38inline static
39void serial_low(void) {
40 SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
41}
42
43inline static
44void serial_output(void) {
45 SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
46}
47
48
49void enabled_printing() {
50 printing_enabled = true;
51 serial_output();
52 serial_high();
53}
54
55void disable_printing() {
56 printing_enabled = false;
57}
58
59uint8_t shifted_numbers[10] = {0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, 0x26, 0x2A, 0x28, 0x29};
60
61// uint8_t keycode_to_ascii[0xFF][2];
62
63// keycode_to_ascii[KC_MINS] = {0x2D, 0x5F};
64
65void print_char(char c) {
66 uint8_t b = 8;
67 serial_output();
68 while( b-- ) {
69 if(c & (1 << b)) {
70 serial_high();
71 } else {
72 serial_low();
73 }
74 serial_delay();
75 }
76}
77
78void print_string(char c[]) {
79 for(uint8_t i = 0; i < strlen(c); i++)
80 print_char(c[i]);
81}
82
83bool process_printer(uint16_t keycode, keyrecord_t *record) {
84 if (keycode == PRINT_ON) {
85 enabled_printing();
86 return false;
87 }
88 if (keycode == PRINT_OFF) {
89 disable_printing();
90 return false;
91 }
92
93 if (printing_enabled) {
94 switch(keycode) {
95 case KC_EXLM ... KC_RPRN:
96 case KC_UNDS:
97 case KC_PLUS:
98 case KC_LCBR:
99 case KC_RCBR:
100 case KC_PIPE:
101 case KC_TILD:
102 keycode &= 0xFF;
103 case KC_LSFT:
104 case KC_RSFT:
105 if (record->event.pressed) {
106 character_shift++;
107 } else {
108 character_shift--;
109 }
110 return false;
111 break;
112 }
113
114 switch(keycode) {
115 case KC_F1:
116 if (record->event.pressed) {
117 print_string("This is a line of text!\n\n\n");
118 }
119 return false;
120 case KC_ESC:
121 if (record->event.pressed) {
122 print_char(0x1B);
123 }
124 return false;
125 break;
126 case KC_SPC:
127 if (record->event.pressed) {
128 print_char(0x20);
129 }
130 return false;
131 break;
132 case KC_A ... KC_Z:
133 if (record->event.pressed) {
134 if (character_shift) {
135 print_char(0x41 + (keycode - KC_A));
136 } else {
137 print_char(0x61 + (keycode - KC_A));
138 }
139 }
140 return false;
141 break;
142 case KC_1 ... KC_0:
143 if (record->event.pressed) {
144 if (character_shift) {
145 print_char(shifted_numbers[keycode - KC_1]);
146 } else {
147 print_char(0x30 + ((keycode - KC_1 + 1) % 10));
148 }
149 }
150 return false;
151 break;
152 case KC_ENT:
153 if (record->event.pressed) {
154 if (character_shift) {
155 print_char(0x0C);
156 } else {
157 print_char(0x0A);
158 }
159 }
160 return false;
161 break;
162 case KC_BSPC:
163 if (record->event.pressed) {
164 if (character_shift) {
165 print_char(0x18);
166 } else {
167 print_char(0x1A);
168 }
169 }
170 return false;
171 break;
172 case KC_DOT:
173 if (record->event.pressed) {
174 if (character_shift) {
175 print_char(0x3E);
176 } else {
177 print_char(0x2E);
178 }
179 }
180 return false;
181 break;
182 case KC_COMM:
183 if (record->event.pressed) {
184 if (character_shift) {
185 print_char(0x3C);
186 } else {
187 print_char(0x2C);
188 }
189 }
190 return false;
191 break;
192 case KC_SLSH:
193 if (record->event.pressed) {
194 if (character_shift) {
195 print_char(0x3F);
196 } else {
197 print_char(0x2F);
198 }
199 }
200 return false;
201 break;
202 case KC_QUOT:
203 if (record->event.pressed) {
204 if (character_shift) {
205 print_char(0x22);
206 } else {
207 print_char(0x27);
208 }
209 }
210 return false;
211 break;
212 case KC_GRV:
213 if (record->event.pressed) {
214 if (character_shift) {
215 print_char(0x7E);
216 } else {
217 print_char(0x60);
218 }
219 }
220 return false;
221 break;
222 case KC_MINS:
223 if (record->event.pressed) {
224 if (character_shift) {
225 print_char(0x5F);
226 } else {
227 print_char(0x2D);
228 }
229 }
230 return false;
231 break;
232 case KC_EQL:
233 if (record->event.pressed) {
234 if (character_shift) {
235 print_char(0x2B);
236 } else {
237 print_char(0x3D);
238 }
239 }
240 return false;
241 break;
242 case KC_LBRC:
243 if (record->event.pressed) {
244 if (character_shift) {
245 print_char(0x7B);
246 } else {
247 print_char(0x5B);
248 }
249 }
250 return false;
251 break;
252 case KC_RBRC:
253 if (record->event.pressed) {
254 if (character_shift) {
255 print_char(0x7D);
256 } else {
257 print_char(0x5D);
258 }
259 }
260 return false;
261 break;
262 case KC_BSLS:
263 if (record->event.pressed) {
264 if (character_shift) {
265 print_char(0x7C);
266 } else {
267 print_char(0x5C);
268 }
269 }
270 return false;
271 break;
272 }
273 }
274 return true;
275
276}
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