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1 | /**************************************************************************** |
1 | /**************************************************************************** |
2 | * Copyright (C) 2009-2016 by Claas Anders "CaScAdE" Rathje * |
2 | * Copyright (C) 2009-2017 by Claas Anders "CaScAdE" Rathje * |
3 | * admiralcascade@gmail.com * |
3 | * admiralcascade@gmail.com * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
5 | * * |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * |
6 | * This program is free software; you can redistribute it and/or modify * |
7 | * it under the terms of the GNU General Public License as published by * |
7 | * it under the terms of the GNU General Public License as published by * |
8 | * the Free Software Foundation; either version 2 of the License. * |
8 | * the Free Software Foundation; either version 2 of the License. * |
9 | * * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
13 | * GNU General Public License for more details. * |
14 | * * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
17 | * Free Software Foundation, Inc., * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
19 | ****************************************************************************/ |
19 | ****************************************************************************/ |
20 | 20 | ||
21 | #include "main.h" |
21 | #include "main.h" |
22 | #include <avr/io.h> |
22 | #include <avr/io.h> |
23 | #include <util/delay.h> |
23 | #include <util/delay.h> |
24 | #include <avr/pgmspace.h> |
24 | #include <avr/pgmspace.h> |
25 | #include <string.h> |
25 | #include <string.h> |
26 | #include <stdlib.h> |
26 | #include <stdlib.h> |
27 | #include "max7456_software_spi.h" |
27 | #include "max7456_software_spi.h" |
28 | #include "usart0.h" |
28 | #include "usart0.h" |
29 | 29 | ||
30 | 30 | ||
31 | char conv_array[7]; // general array for number -> char conversation |
31 | char conv_array[7]; // general array for number -> char conversation |
32 | 32 | ||
33 | int int_pow(int a, int b) { |
33 | int int_pow(int a, int b) { |
34 | if (b <= 0) return 1; |
34 | if (b <= 0) return 1; |
35 | int res = 1; |
35 | int res = 1; |
36 | while (b-- > 0) res *= a; |
36 | while (b-- > 0) res *= a; |
37 | return res; |
37 | return res; |
38 | } |
38 | } |
39 | 39 | ||
40 | /* ########################################################################## |
40 | /* ########################################################################## |
41 | * MAX7456 SPI & Display stuff |
41 | * MAX7456 SPI & Display stuff |
42 | * ##########################################################################*/ |
42 | * ##########################################################################*/ |
43 | 43 | ||
44 | /** |
44 | /** |
45 | * Send a byte through SPI |
45 | * Send a byte through SPI |
46 | * inline because it increases the codesize currenlty 'only' by 110byte but saves |
46 | * inline because it increases the codesize currenlty 'only' by 110byte but saves |
47 | * the context-change on every char and attribute which is at least done twice |
47 | * the context-change on every char and attribute which is at least done twice |
48 | * (address and data byte), a significant speed-bost we do not want to miss :) |
48 | * (address and data byte), a significant speed-bost we do not want to miss :) |
49 | */ |
49 | */ |
50 | inline void spi_send(uint8_t byte) { |
50 | inline void spi_send(uint8_t byte) { |
51 | for (int8_t i = 7; i >= 0; i--) { |
51 | for (int8_t i = 7; i >= 0; i--) { |
52 | if (((byte >> i) & 1)) { |
52 | if (((byte >> i) & 1)) { |
53 | MAX_SDIN_HIGH |
53 | MAX_SDIN_HIGH |
54 | } else { |
54 | } else { |
55 | MAX_SDIN_LOW |
55 | MAX_SDIN_LOW |
56 | } |
56 | } |
57 | MAX_SCLK_HIGH |
57 | MAX_SCLK_HIGH |
58 | MAX_SCLK_LOW |
58 | MAX_SCLK_LOW |
59 | } |
59 | } |
60 | } |
60 | } |
61 | 61 | ||
62 | /** |
62 | /** |
63 | * Send <byte> to <address> of MAX7456 |
63 | * Send <byte> to <address> of MAX7456 |
64 | */ |
64 | */ |
65 | void spi_send_byte(uint8_t address, uint8_t byte) { |
65 | void spi_send_byte(uint8_t address, uint8_t byte) { |
66 | // start sending |
66 | // start sending |
67 | MAX_CS_LOW |
67 | MAX_CS_LOW |
68 | 68 | ||
69 | spi_send(address); |
69 | spi_send(address); |
70 | spi_send(byte); |
70 | spi_send(byte); |
71 | 71 | ||
72 | // end sending |
72 | // end sending |
73 | MAX_CS_HIGH |
73 | MAX_CS_HIGH |
74 | 74 | ||
75 | #ifdef SERIALDEBUGDRAW |
75 | #ifdef SERIALDEBUGDRAW |
76 | uint8_t c = address + byte; |
76 | uint8_t c = address + byte; |
77 | usart0_puts("#3"); |
77 | usart0_puts("#3"); |
78 | usart0_putc(address); |
78 | usart0_putc(address); |
79 | usart0_putc(byte); |
79 | usart0_putc(byte); |
80 | usart0_putc(c); |
80 | usart0_putc(c); |
81 | usart0_puts("\n"); |
81 | usart0_puts("\n"); |
82 | #endif |
82 | #endif |
83 | } |
83 | } |
84 | 84 | ||
85 | /** |
85 | /** |
86 | * write a <character> to <address> of MAX7456 display memory |
86 | * write a <character> to <address> of MAX7456 display memory |
87 | */ |
87 | */ |
88 | void write_char(uint16_t address, char character) { |
88 | void write_char(uint16_t address, char character) { |
89 | spi_send_byte(MAX7456_DMAH, (address & 0xFF00) >> 8); |
89 | spi_send_byte(MAX7456_DMAH, (address & 0xFF00) >> 8); |
90 | spi_send_byte(MAX7456_DMAL, (address & 0x00FF)); |
90 | spi_send_byte(MAX7456_DMAL, (address & 0x00FF)); |
91 | spi_send_byte(MAX7456_DMDI, character); |
91 | spi_send_byte(MAX7456_DMDI, character); |
92 | } |
92 | } |
93 | 93 | ||
94 | /** |
94 | /** |
95 | * clear display memory |
95 | * clear display memory |
96 | * (also sets 8bit mode) |
96 | * (also sets 8bit mode) |
97 | */ |
97 | */ |
98 | void clear(void) { |
98 | void clear(void) { |
99 | /*uint16_t memory_address = 0; |
99 | /*uint16_t memory_address = 0; |
100 | for (unsigned int a = 0; a < 480; a++) { |
100 | for (unsigned int a = 0; a < 480; a++) { |
101 | write_char(memory_address++, 0); |
101 | write_char(memory_address++, 0); |
102 | }*/ |
102 | }*/ |
103 | // clear all display-mem (DMM) |
103 | // clear all display-mem (DMM) |
104 | spi_send_byte(MAX7456_DMM, 0b01000100); |
104 | spi_send_byte(MAX7456_DMM, 0b01000100); |
105 | 105 | ||
106 | // clearing takes 20us according to maxim so lets wait longer |
106 | // clearing takes 20us according to maxim so lets wait longer |
107 | _delay_us(21); |
107 | _delay_us(21); |
108 | } |
108 | } |
109 | 109 | ||
110 | 110 | ||
111 | #if (ALLCHARSDEBUG|(WRITECHARS != -1)) |
111 | #if (ALLCHARSDEBUG|(WRITECHARS != -1)) |
112 | 112 | ||
113 | /** |
113 | /** |
114 | * for testing write all chars to screen |
114 | * for testing write all chars to screen |
115 | */ |
115 | */ |
116 | void write_all_chars() { |
116 | void write_all_chars() { |
117 | uint16_t x = 3, y = 2, t = 0; |
117 | uint16_t x = 3, y = 2, t = 0; |
118 | while (t < 256) { |
118 | while (t < 256) { |
119 | write_char(x++ + y * 30, t++); |
119 | write_char(x++ + y * 30, t++); |
120 | if (x > 25) { |
120 | if (x > 25) { |
121 | y++; |
121 | y++; |
122 | x = 3; |
122 | x = 3; |
123 | } |
123 | } |
124 | } |
124 | } |
125 | } |
125 | } |
126 | 126 | ||
127 | /** |
127 | /** |
128 | * let the MAX7456 learn a new character at <number> |
128 | * let the MAX7456 learn a new character at <number> |
129 | * with <data>. |
129 | * with <data>. |
130 | */ |
130 | */ |
131 | void learn_char(uint8_t number, unsigned char* data) { |
131 | void learn_char(uint8_t number, unsigned char* data) { |
132 | // select character to write |
132 | // select character to write |
133 | spi_send_byte(MAX7456_CMAH, number); |
133 | spi_send_byte(MAX7456_CMAH, number); |
134 | 134 | ||
135 | for (uint8_t i = 0; i < 54; i++) { |
135 | for (uint8_t i = 0; i < 54; i++) { |
136 | // select 4pixel byte of char |
136 | // select 4pixel byte of char |
137 | spi_send_byte(MAX7456_CMAL, i); |
137 | spi_send_byte(MAX7456_CMAL, i); |
138 | 138 | ||
139 | // write 4pixel byte of char |
139 | // write 4pixel byte of char |
140 | spi_send_byte(MAX7456_CMDI, data[i]); |
140 | spi_send_byte(MAX7456_CMDI, data[i]); |
141 | } |
141 | } |
142 | 142 | ||
143 | // write to the NVM array from the shadow RAM |
143 | // write to the NVM array from the shadow RAM |
144 | spi_send_byte(MAX7456_CMM, 0b10100000); |
144 | spi_send_byte(MAX7456_CMM, 0b10100000); |
145 | 145 | ||
146 | // according to maxim writing to nvram takes about 12ms, lets wait longer |
146 | // according to maxim writing to nvram takes about 12ms, lets wait longer |
147 | _delay_ms(120); |
147 | _delay_ms(120); |
148 | } |
148 | } |
149 | #endif |
149 | #endif |
150 | 150 | ||
151 | #if !(ALLCHARSDEBUG|(WRITECHARS != -1)) |
151 | #if !(ALLCHARSDEBUG|(WRITECHARS != -1)) |
152 | 152 | ||
153 | /** |
153 | /** |
154 | * write a character <attribute> to <address> of MAX7456 display memory |
154 | * write a character <attribute> to <address> of MAX7456 display memory |
155 | */ |
155 | */ |
156 | void write_char_att(uint16_t address, char attribute) { |
156 | void write_char_att(uint16_t address, char attribute) { |
157 | // the only important part is that the DMAH[1] is set |
157 | // the only important part is that the DMAH[1] is set |
158 | // so we add 2 which binary is the 2nd lowest byte |
158 | // so we add 2 which binary is the 2nd lowest byte |
159 | spi_send_byte(MAX7456_DMAH, ((address & 0xFF00) >> 8) | 2); |
159 | spi_send_byte(MAX7456_DMAH, ((address & 0xFF00) >> 8) | 2); |
160 | spi_send_byte(MAX7456_DMAL, (address & 0x00FF)); |
160 | spi_send_byte(MAX7456_DMAL, (address & 0x00FF)); |
161 | spi_send_byte(MAX7456_DMDI, attribute); |
161 | spi_send_byte(MAX7456_DMDI, attribute); |
162 | } |
162 | } |
163 | 163 | ||
164 | /** |
164 | /** |
165 | * write a <character> at <x>/<y> to MAX7456 display memory |
165 | * write a <character> at <x>/<y> to MAX7456 display memory |
166 | */ |
166 | */ |
167 | void write_char_xy(uint8_t x, uint8_t y, char character) { |
167 | void write_char_xy(uint8_t x, uint8_t y, char character) { |
168 | uint16_t address = y * 30 + x; |
168 | uint16_t address = y * 30 + x; |
169 | write_char(address, character); |
169 | write_char(address, character); |
170 | } |
170 | } |
171 | 171 | ||
172 | /** |
172 | /** |
173 | * write a character <attribute> at <x>/<y> to MAX7456 display memory |
173 | * write a character <attribute> at <x>/<y> to MAX7456 display memory |
174 | */ |
174 | */ |
175 | void write_char_att_xy(uint8_t x, uint8_t y, char attribute) { |
175 | void write_char_att_xy(uint8_t x, uint8_t y, char attribute) { |
176 | uint16_t address = y * 30 + x; |
176 | uint16_t address = y * 30 + x; |
177 | write_char_att(address, attribute); |
177 | write_char_att(address, attribute); |
178 | } |
178 | } |
179 | 179 | ||
180 | /** |
180 | /** |
181 | * write an ascii <character> to <address> of MAX7456 display memory |
181 | * write an ascii <character> to <address> of MAX7456 display memory |
182 | */ |
182 | */ |
183 | void write_ascii_char(uint16_t address, char c) { |
183 | void write_ascii_char(uint16_t address, char c) { |
184 | if (c == 32) c = 0; // remap space |
184 | if (c == 32) c = 0; // remap space |
185 | else if (c > 48 && c <= 57) c -= 48; // remap numbers |
185 | else if (c > 48 && c <= 57) c -= 48; // remap numbers |
186 | else if (c == '0') c = 10; // remap zero |
186 | else if (c == '0') c = 10; // remap zero |
187 | else if (c >= 65 && c <= 90) c -= 54; // remap big letters |
187 | else if (c >= 65 && c <= 90) c -= 54; // remap big letters |
188 | else if (c >= 97 && c <= 122) c -= 60; // remap small letters |
188 | else if (c >= 97 && c <= 122) c -= 60; // remap small letters |
189 | else if (c == '(') c = 63; // remap |
189 | else if (c == '(') c = 63; // remap |
190 | else if (c == ')') c = 64; // remap |
190 | else if (c == ')') c = 64; // remap |
191 | else if (c == '.') c = 65; // remap |
191 | else if (c == '.') c = 65; // remap |
192 | else if (c == '-') c = 73; // remap minus |
192 | else if (c == '-') c = 73; // remap minus |
193 | else if (c == ';') c = 67; // remap |
193 | else if (c == ';') c = 67; // remap |
194 | else if (c == ':') c = 68; // remap |
194 | else if (c == ':') c = 68; // remap |
195 | else if (c == ',') c = 69; // remap |
195 | else if (c == ',') c = 69; // remap |
196 | else if (c == '?') c = 66; // remap |
196 | else if (c == '?') c = 66; // remap |
197 | else if (c == '\\') c = 70; // remap |
197 | else if (c == '\\') c = 70; // remap |
198 | else if (c == '_') c = 0xE3; // remap |
198 | else if (c == '_') c = 0xE3; // remap |
199 | else if (c == '/') c = 71; // remap |
199 | else if (c == '/') c = 71; // remap |
200 | else if (c == '"') c = 72; // remap |
200 | else if (c == '"') c = 72; // remap |
201 | else if (c == '<') c = 74; // remap |
201 | else if (c == '<') c = 74; // remap |
202 | else if (c == '>') c = 75; // remap |
202 | else if (c == '>') c = 75; // remap |
203 | else if (c == '@') c = 76; // remap |
203 | else if (c == '@') c = 76; // remap |
204 | write_char(address, c); |
204 | write_char(address, c); |
205 | } |
205 | } |
206 | 206 | ||
207 | /** |
207 | /** |
208 | * write an ascii <string> at <x>/<y> to MAX7456 display memory |
208 | * write an ascii <string> at <x>/<y> to MAX7456 display memory |
209 | */ |
209 | */ |
210 | void write_ascii_string(uint8_t x, uint8_t y, char *string) { |
210 | void write_ascii_string(uint8_t x, uint8_t y, char *string) { |
211 | while (*string) { |
211 | while (*string) { |
212 | write_ascii_char(((x++)+(y * 30)), *string); |
212 | write_ascii_char(((x++)+(y * 30)), *string); |
213 | string++; |
213 | string++; |
214 | } |
214 | } |
215 | } |
215 | } |
216 | 216 | ||
217 | /** |
217 | /** |
218 | * write an ascii <string> with lenght <len> at <x>/<y> to MAX7456 display memory |
218 | * write an ascii <string> with lenght <len> at <x>/<y> to MAX7456 display memory |
219 | */ |
219 | */ |
220 | void write_ascii_string_len(uint8_t x, uint8_t y, char *string, uint8_t len) { |
220 | void write_ascii_string_len(uint8_t x, uint8_t y, char *string, uint8_t len) { |
221 | while (len--) { |
221 | while (len--) { |
222 | write_ascii_char(((x++)+(y * 30)), *string); |
222 | write_ascii_char(((x++)+(y * 30)), *string); |
223 | string++; |
223 | string++; |
224 | } |
224 | } |
225 | } |
225 | } |
226 | 226 | ||
227 | /** |
227 | /** |
228 | * write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory |
228 | * write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory |
229 | */ |
229 | */ |
230 | void write_ascii_string_pgm(uint8_t x, uint8_t y, const char *string) { |
230 | void write_ascii_string_pgm(uint8_t x, uint8_t y, const char *string) { |
231 | while (pgm_read_byte(string) != 0x00) |
231 | while (pgm_read_byte(string) != 0x00) |
232 | write_ascii_char(((x++)+(y * 30)), pgm_read_byte(string++)); |
232 | write_ascii_char(((x++)+(y * 30)), pgm_read_byte(string++)); |
233 | } |
233 | } |
234 | 234 | ||
235 | /** |
235 | /** |
236 | * write an <string> from progmen at <x>/<y> downwards to MAX7456 display memory |
236 | * write an <string> from progmen at <x>/<y> downwards to MAX7456 display memory |
237 | */ |
237 | */ |
238 | void write_string_pgm_down(uint8_t x, uint8_t y, const char *string, uint8_t length) { |
238 | void write_string_pgm_down(uint8_t x, uint8_t y, const char *string, uint8_t length) { |
239 | while (length--) |
239 | while (length--) |
240 | write_char((x + (y++ * 30)), pgm_read_byte(string++)); |
240 | write_char((x + (y++ * 30)), pgm_read_byte(string++)); |
241 | } |
241 | } |
242 | 242 | ||
243 | /** |
243 | /** |
244 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory |
244 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory |
245 | * <length> represents the length to rightbound the number |
245 | * <length> represents the length to rightbound the number |
246 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
246 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
247 | */ |
247 | */ |
248 | void write_ndigit_number_u(uint8_t x, uint8_t y, uint16_t number, int16_t length, uint8_t pad) { |
248 | void write_ndigit_number_u(uint8_t x, uint8_t y, uint16_t number, int16_t length, uint8_t pad) { |
249 | if (number >= int_pow(10, length)) { |
249 | if (number >= int_pow(10, length)) { |
250 | number = int_pow(10, length) - 1; |
250 | number = int_pow(10, length) - 1; |
251 | } |
251 | } |
252 | itoa(number, conv_array, 10); |
252 | itoa(number, conv_array, 10); |
253 | for (uint8_t i = 0; i < length - strlen(conv_array); i++) { |
253 | for (uint8_t i = 0; i < length - strlen(conv_array); i++) { |
254 | if (pad) write_char((x++)+(y * 30), 10); |
254 | if (pad) write_char((x++)+(y * 30), 10); |
255 | else write_ascii_char((x++)+(y * 30), 0); |
255 | else write_ascii_char((x++)+(y * 30), 0); |
256 | } |
256 | } |
257 | write_ascii_string(x, y, conv_array); |
257 | write_ascii_string(x, y, conv_array); |
258 | } |
258 | } |
259 | 259 | ||
260 | /** |
260 | /** |
261 | * Write a signed <number> at <x>/<y> to MAX7456 display memory |
261 | * Write a signed <number> at <x>/<y> to MAX7456 display memory |
262 | * <length> represents the length to rightbound the number |
262 | * <length> represents the length to rightbound the number |
263 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
263 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
264 | */ |
264 | */ |
265 | void write_ndigit_number_s(uint8_t x, uint8_t y, int16_t number, int16_t length, uint8_t pad) { |
265 | void write_ndigit_number_s(uint8_t x, uint8_t y, int16_t number, int16_t length, uint8_t pad) { |
266 | if (number <= -int_pow(10, length)) { |
266 | if (number <= -int_pow(10, length)) { |
267 | number = -int_pow(10, length) + 1; |
267 | number = -int_pow(10, length) + 1; |
268 | } else if (number >= int_pow(10, length)) { |
268 | } else if (number >= int_pow(10, length)) { |
269 | number = int_pow(10, length) - 1; |
269 | number = int_pow(10, length) - 1; |
270 | } |
270 | } |
271 | 271 | ||
272 | itoa(number, conv_array, 10); |
272 | itoa(number, conv_array, 10); |
273 | if (strlen(conv_array) < length) { |
273 | if (strlen(conv_array) < length) { |
274 | for (uint8_t i = 0; i < length - strlen(conv_array); i++) { |
274 | for (uint8_t i = 0; i < length - strlen(conv_array); i++) { |
275 | if (pad) write_char((x++)+(y * 30), 10); |
275 | if (pad) write_char((x++)+(y * 30), 10); |
276 | else write_ascii_char((x++)+(y * 30), 0); |
276 | else write_ascii_char((x++)+(y * 30), 0); |
277 | } |
277 | } |
278 | } |
278 | } |
279 | write_ascii_string(x, y, conv_array); |
279 | write_ascii_string(x, y, conv_array); |
280 | } |
280 | } |
281 | 281 | ||
282 | /** |
282 | /** |
283 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory as /10th of value |
283 | * Write a unsigned <number> at <x>/<y> to MAX7456 display memory as /10th of value |
284 | * <length> represents the length to rightbound the number |
284 | * <length> represents the length to rightbound the number |
285 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
285 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
286 | */ |
286 | */ |
287 | void write_ndigit_number_u_10th(uint8_t x, uint8_t y, uint16_t number, int16_t length, uint8_t pad) { |
287 | void write_ndigit_number_u_10th(uint8_t x, uint8_t y, uint16_t number, int16_t length, uint8_t pad) { |
288 | if (number >= int_pow(10, length)) { |
288 | if (number >= int_pow(10, length)) { |
289 | number = int_pow(10, length) - 1; |
289 | number = int_pow(10, length) - 1; |
290 | } |
290 | } |
291 | itoa(number, conv_array, 10); |
291 | itoa(number, conv_array, 10); |
292 | uint8_t len = strlen(conv_array); |
292 | uint8_t len = strlen(conv_array); |
293 | for (uint8_t i = 0; i < length - len; i++) { |
293 | for (uint8_t i = 0; i < length - len; i++) { |
294 | if (pad) write_char((x++)+(y * 30), 10); // zero |
294 | if (pad) write_char((x++)+(y * 30), 10); // zero |
295 | else write_char((x++)+(y * 30), 0); // blank |
295 | else write_char((x++)+(y * 30), 0); // blank |
296 | } |
296 | } |
297 | char rest = conv_array[len - 1]; |
297 | char rest = conv_array[len - 1]; |
298 | conv_array[len - 1] = 0; |
298 | conv_array[len - 1] = 0; |
299 | if (len == 1) { |
299 | if (len == 1) { |
300 | write_char((x - 1)+(y * 30), 10); // zero |
300 | write_char((x - 1)+(y * 30), 10); // zero |
301 | } else if (len == 2 && conv_array[0] == '-') { |
301 | } else if (len == 2 && conv_array[0] == '-') { |
302 | write_char((x - 1)+(y * 30), 0x49); // minus |
302 | write_char((x - 1)+(y * 30), 0x49); // minus |
303 | write_char((x)+(y * 30), 10); // zero |
303 | write_char((x)+(y * 30), 10); // zero |
304 | } else { |
304 | } else { |
305 | write_ascii_string(x, y, conv_array); |
305 | write_ascii_string(x, y, conv_array); |
306 | } |
306 | } |
307 | x += len - 1; |
307 | x += len - 1; |
308 | write_char((x++)+(y * 30), 65); // decimal point |
308 | write_char((x++)+(y * 30), 65); // decimal point |
309 | write_ascii_char((x++)+(y * 30), rest); // after dot |
309 | write_ascii_char((x++)+(y * 30), rest); // after dot |
310 | } |
310 | } |
311 | 311 | ||
312 | /** |
312 | /** |
313 | * Write a signed <number> at <x>/<y> to MAX7456 display memory as /10th of value |
313 | * Write a signed <number> at <x>/<y> to MAX7456 display memory as /10th of value |
314 | * <length> represents the length to rightbound the number |
314 | * <length> represents the length to rightbound the number |
315 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
315 | * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of 7 |
316 | */ |
316 | */ |
317 | void write_ndigit_number_s_10th(uint8_t x, uint8_t y, int16_t number, int16_t length, uint8_t pad) { |
317 | void write_ndigit_number_s_10th(uint8_t x, uint8_t y, int16_t number, int16_t length, uint8_t pad) { |
318 | if (number >= int_pow(10, length)) { |
318 | if (number >= int_pow(10, length)) { |
319 | number = int_pow(10, length) - 1; |
319 | number = int_pow(10, length) - 1; |
320 | } |
320 | } |
321 | itoa(number, conv_array, 10); |
321 | itoa(number, conv_array, 10); |
322 | uint8_t len = strlen(conv_array); |
322 | uint8_t len = strlen(conv_array); |
323 | for (uint8_t i = 0; i < length - len; i++) { |
323 | for (uint8_t i = 0; i < length - len; i++) { |
324 | if (pad) write_char((x++)+(y * 30), 10); // zero |
324 | if (pad) write_char((x++)+(y * 30), 10); // zero |
325 | else write_char((x++)+(y * 30), 0); // blank |
325 | else write_char((x++)+(y * 30), 0); // blank |
326 | } |
326 | } |
327 | char rest = conv_array[len - 1]; |
327 | char rest = conv_array[len - 1]; |
328 | conv_array[len - 1] = 0; |
328 | conv_array[len - 1] = 0; |
329 | if (len == 1) { |
329 | if (len == 1) { |
330 | write_char((x - 1)+(y * 30), 10); // zero |
330 | write_char((x - 1)+(y * 30), 10); // zero |
331 | } else if (len == 2 && conv_array[0] == '-') { |
331 | } else if (len == 2 && conv_array[0] == '-') { |
332 | write_char((x - 1)+(y * 30), 0x49); // minus |
332 | write_char((x - 1)+(y * 30), 0x49); // minus |
333 | write_char((x)+(y * 30), 10); // zero |
333 | write_char((x)+(y * 30), 10); // zero |
334 | } else { |
334 | } else { |
335 | write_ascii_string(x, y, conv_array); |
335 | write_ascii_string(x, y, conv_array); |
336 | } |
336 | } |
337 | x += len - 1; |
337 | x += len - 1; |
338 | write_char((x++)+(y * 30), 65); // decimal point |
338 | write_char((x++)+(y * 30), 65); // decimal point |
339 | write_ascii_char((x++)+(y * 30), rest); // after dot |
339 | write_ascii_char((x++)+(y * 30), rest); // after dot |
340 | } |
340 | } |
341 | 341 | ||
342 | /** |
342 | /** |
343 | * write <seconds> as human readable time at <x>/<y> to MAX7456 display mem |
343 | * write <seconds> as human readable time at <x>/<y> to MAX7456 display mem |
344 | */ |
344 | */ |
345 | void write_time(uint8_t x, uint8_t y, uint16_t seconds) { |
345 | void write_time(uint8_t x, uint8_t y, uint16_t seconds) { |
346 | uint16_t min = seconds / 60; |
346 | uint16_t min = seconds / 60; |
347 | seconds -= min * 60; |
347 | seconds -= min * 60; |
348 | write_ndigit_number_u(x, y, min, 3, 0); |
348 | write_ndigit_number_u(x, y, min, 3, 0); |
349 | write_char_xy(x + 3, y, 68); |
349 | write_char_xy(x + 3, y, 68); |
350 | write_ndigit_number_u(x + 4, y, seconds, 2, 1); |
350 | write_ndigit_number_u(x + 4, y, seconds, 2, 1); |
351 | } |
351 | } |
352 | 352 | ||
353 | /** |
353 | /** |
354 | * wirte a <position> at <x>/<y> assuming it is a gps position for long-/latitude |
354 | * wirte a <position> at <x>/<y> assuming it is a gps position for long-/latitude |
355 | */ |
355 | */ |
356 | void write_gps_pos(uint8_t x, uint8_t y, int32_t position) { |
356 | void write_gps_pos(uint8_t x, uint8_t y, int32_t position) { |
357 | if (position < 0) { |
357 | if (position < 0) { |
358 | position ^= ~0; |
358 | position ^= ~0; |
359 | position++; |
359 | position++; |
360 | write_char_xy(x++, y, 0x49); // minus |
360 | write_char_xy(x++, y, 0x49); // minus |
361 | } else { |
361 | } else { |
362 | write_char_xy(x++, y, 0); // clear ('+' would be nice, maybe later) |
362 | write_char_xy(x++, y, 0); // clear ('+' would be nice, maybe later) |
363 | } |
363 | } |
364 | write_ndigit_number_u(x, y, (uint16_t)(position / (int32_t)10000000), 3, 1); |
364 | write_ndigit_number_u(x, y, (uint16_t)(position / (int32_t)10000000), 3, 1); |
365 | write_char_xy(x + 3, y, 65); // decimal point |
365 | write_char_xy(x + 3, y, 65); // decimal point |
366 | position = position - ((position / (int32_t)10000000) * (int32_t)10000000); |
366 | position = position - ((position / (int32_t)10000000) * (int32_t)10000000); |
367 | write_ndigit_number_u(x + 4, y, (uint16_t)(position / (int32_t)1000), 4, 1); |
367 | write_ndigit_number_u(x + 4, y, (uint16_t)(position / (int32_t)1000), 4, 1); |
368 | position = position - ((uint16_t)(position / (int32_t)1000) * (int32_t)1000); |
368 | position = position - ((uint16_t)(position / (int32_t)1000) * (int32_t)1000); |
369 | write_ndigit_number_u(x + 8, y, (uint16_t)position, 3, 1); |
369 | write_ndigit_number_u(x + 8, y, (uint16_t)position, 3, 1); |
370 | write_char_xy(x + 11, y, 0xD0); // degree symbol |
370 | write_char_xy(x + 11, y, 0xD0); // degree symbol |
371 | } |
371 | } |
372 | 372 | ||
373 | #endif |
373 | #endif |
374 | 374 |