Moin, ich versuche mit meiner selbstgeschriebenen Bibliothek Zahlen auf dem Display darzustellen. Grundsätzlich ist dies auch kein Problem, wenn ich das in einem (statischen)String ausgebe. Dann funktioniert alles. Wenn ich jetzt dynamische Zahlen darstellen möchte, die per itoa() in einen String gewandelt wurden. Dann erscheinen in der obersten Zeile merkwürdige Zeichen, bzw einzelne Pixel. Woran könnte das liegen?
> Dann erscheinen in der obersten Zeile merkwürdige > Zeichen, bzw einzelne Pixel. Woran könnte das liegen? Zeiger in Zeile 42. Du schuldest mir einen Hamster. Olaf
Oja, sorry vergessen anzuhängen. Hier der Inhalt der Lib.
1 | /*
|
2 | * SSD1306.c
|
3 | *
|
4 | * Created: 02.12.2016 11:48:40
|
5 | * Author:
|
6 | */
|
7 | |
8 | #include <stdlib.h> |
9 | #include <string.h> |
10 | #include "i2c.h" |
11 | #include "Font.h" |
12 | #include "SSD1306.h" |
13 | |
14 | static uint8_t Buffer[1024] = { |
15 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
16 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
17 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
18 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
19 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
20 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
21 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
22 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
23 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
24 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
25 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
26 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
27 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
28 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
29 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
30 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
31 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
32 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
33 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
34 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
35 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
36 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
37 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
38 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
39 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
40 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
41 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
42 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
43 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
44 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
45 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
46 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
47 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
48 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
49 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
50 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
51 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
52 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
53 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
54 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
55 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
56 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
57 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
58 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
59 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
60 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
61 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
62 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
63 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
64 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
65 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
66 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
67 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
68 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
69 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
70 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
71 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
72 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
73 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
74 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
75 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
76 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
77 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, |
78 | 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55 |
79 | |
80 | };
|
81 | |
82 | void SSD1306_init() |
83 | {
|
84 | SSD1306_command(OLED_CMD_DISPLAY_OFF); |
85 | SSD1306_command(OLED_CMD_SET_DISPLAY_CLK_DIV); |
86 | SSD1306_command(0x80); |
87 | |
88 | SSD1306_command(OLED_CMD_SET_MUX_RATIO); |
89 | SSD1306_command(0x3F); |
90 | |
91 | SSD1306_command(OLED_CMD_SET_DISPLAY_OFFSET); |
92 | SSD1306_command(0x0); |
93 | SSD1306_command(OLED_CMD_SET_DISPLAY_START_LINE | 0x0); |
94 | SSD1306_command(OLED_CMD_SET_CHARGE_PUMP); |
95 | SSD1306_command(0x14); |
96 | SSD1306_command(OLED_CMD_SET_MEMORY_ADDR_MODE); |
97 | SSD1306_command(0x00); |
98 | SSD1306_command(OLED_CMD_SET_MEMORY_ADDR_MODE); |
99 | SSD1306_command(0x00); |
100 | SSD1306_command(OLED_CMD_SET_SEGMENT_REMAP | 0x1); |
101 | SSD1306_command(OLED_CMD_SET_COM_SCAN_MODE); |
102 | |
103 | SSD1306_command(OLED_CMD_SET_COM_PIN_MAP); |
104 | SSD1306_command(0x12); |
105 | SSD1306_command(OLED_CMD_SET_CONTRAST); |
106 | SSD1306_command(0xCF); |
107 | |
108 | SSD1306_command(OLED_CMD_SET_PRECHARGE); |
109 | SSD1306_command(0xF1); |
110 | SSD1306_command(OLED_CMD_SET_VCOMH_DESELCT); |
111 | SSD1306_command(0x40); |
112 | SSD1306_command(OLED_CMD_DISPLAY_RAM); |
113 | SSD1306_command(OLED_CMD_DISPLAY_NORMAL); |
114 | SSD1306_command(0x2E); |
115 | SSD1306_command(OLED_CMD_DISPLAY_ON); |
116 | |
117 | }
|
118 | |
119 | void SSD1306_command(uint8_t command) |
120 | {
|
121 | i2c_start_wait(0x78); |
122 | i2c_write(0x00); |
123 | i2c_write(command); |
124 | i2c_stop(); |
125 | }
|
126 | |
127 | void InvertDisplay(uint8_t i) |
128 | {
|
129 | if (i) |
130 | {
|
131 | SSD1306_command(0xA7); |
132 | }
|
133 | else
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134 | {
|
135 | SSD1306_command(0xA6); |
136 | }
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137 | }
|
138 | |
139 | void drawPixel(int16_t x, int16_t y) |
140 | {
|
141 | Buffer[x+(y/8) * 128] |= (1 << (y & 7)); |
142 | }
|
143 | |
144 | void clearBuffer(uint8_t *buffer) |
145 | {
|
146 | memset(buffer, 0, 1024); |
147 | }
|
148 | |
149 | void drawBuffer(uint8_t *buffer) |
150 | {
|
151 | SSD1306_command(OLED_CMD_SET_COLUMN_RANGE); |
152 | SSD1306_command(0); |
153 | SSD1306_command(127); |
154 | SSD1306_command(OLED_CMD_SET_PAGE_RANGE); |
155 | SSD1306_command(0); |
156 | SSD1306_command(7); |
157 | |
158 | uint8_t twbrbackup = TWBR; |
159 | |
160 | TWBR = 12; |
161 | |
162 | for (uint16_t i=0; i<1024; i++) |
163 | {
|
164 | i2c_start_wait(0x78); |
165 | i2c_write(0x40); |
166 | for (uint8_t x=0; x<16; x++) |
167 | {
|
168 | i2c_write(buffer[i]); |
169 | i++; |
170 | }
|
171 | i--; |
172 | i2c_stop(); |
173 | }
|
174 | |
175 | TWBR = twbrbackup; |
176 | }
|
177 | |
178 | void drawChar(unsigned char column, unsigned char line, unsigned char letter, uint8_t *buffer) |
179 | {
|
180 | uint8_t ascii_offset = 32; |
181 | |
182 | for (uint8_t i = 0; i<5; i++) |
183 | {
|
184 | buffer[i + ((line * 128) + column)] = Ascii_1[letter-ascii_offset][i]; |
185 | }
|
186 | }
|
187 | |
188 | void drawString(uint8_t column, uint8_t line, char *string, uint8_t *buffer) |
189 | {
|
190 | uint8_t i = 0; |
191 | |
192 | while (string[0] != 0) |
193 | {
|
194 | drawChar(column + (5 * i), line, (string[0]), buffer); |
195 | string++; |
196 | i++; |
197 | }
|
198 | drawBuffer(buffer); |
199 | }
|
STler schrieb: >> Woran könnte das liegen? > > An Dir Davon gehe ich im Moment auch eher aus. Als I2C Bibliothek benutze ich die von P. Fleury
Marco G. schrieb: > Oja, sorry vergessen anzuhängen. Hier der Inhalt der Lib. Nö. Wo ist Ascii_1? Bitte vollständig.
1 | /*
|
2 | * Font.h
|
3 | *
|
4 | * Created: 02.12.2016 11:05:51
|
5 | * Author:
|
6 | */
|
7 | |
8 | |
9 | #ifndef FONT_H_
|
10 | #define FONT_H_
|
11 | |
12 | extern unsigned char Ascii_1[97][5]={ // Refer to "Times New Roman" Font Database... |
13 | // Basic Characters
|
14 | {0x00,0x00,0x00,0x00,0x00}, // ( 0) - 0x0000 Empty set |
15 | {0x00,0x00,0x4F,0x00,0x00}, // ( 1) ! - 0x0021 Exclamation Mark |
16 | {0x00,0x07,0x00,0x07,0x00}, // ( 2) " - 0x0022 Quotation Mark |
17 | {0x14,0x7F,0x14,0x7F,0x14}, // ( 3) # - 0x0023 Number Sign |
18 | {0x24,0x2A,0x7F,0x2A,0x12}, // ( 4) $ - 0x0024 Dollar Sign |
19 | {0x23,0x13,0x08,0x64,0x62}, // ( 5) % - 0x0025 Percent Sign |
20 | {0x36,0x49,0x55,0x22,0x50}, // ( 6) & - 0x0026 Ampersand |
21 | {0x00,0x05,0x03,0x00,0x00}, // ( 7) ' - 0x0027 Apostrophe |
22 | {0x00,0x1C,0x22,0x41,0x00}, // ( 8) ( - 0x0028 Left Parenthesis |
23 | {0x00,0x41,0x22,0x1C,0x00}, // ( 9) ) - 0x0029 Right Parenthesis |
24 | {0x14,0x08,0x3E,0x08,0x14}, // ( 10) * - 0x002A Asterisk |
25 | {0x08,0x08,0x3E,0x08,0x08}, // ( 11) + - 0x002B Plus Sign |
26 | {0x00,0x50,0x30,0x00,0x00}, // ( 12) , - 0x002C Comma |
27 | {0x08,0x08,0x08,0x08,0x08}, // ( 13) - - 0x002D Hyphen-Minus |
28 | {0x00,0x60,0x60,0x00,0x00}, // ( 14) . - 0x002E Full Stop |
29 | {0x20,0x10,0x08,0x04,0x02}, // ( 15) / - 0x002F Solidus |
30 | {0x3E,0x51,0x49,0x45,0x3E}, // ( 16) 0 - 0x0030 Digit Zero |
31 | {0x00,0x42,0x7F,0x40,0x00}, // ( 17) 1 - 0x0031 Digit One |
32 | {0x42,0x61,0x51,0x49,0x46}, // ( 18) 2 - 0x0032 Digit Two |
33 | {0x21,0x41,0x45,0x4B,0x31}, // ( 19) 3 - 0x0033 Digit Three |
34 | {0x18,0x14,0x12,0x7F,0x10}, // ( 20) 4 - 0x0034 Digit Four |
35 | {0x27,0x45,0x45,0x45,0x39}, // ( 21) 5 - 0x0035 Digit Five |
36 | {0x3C,0x4A,0x49,0x49,0x30}, // ( 22) 6 - 0x0036 Digit Six |
37 | {0x01,0x71,0x09,0x05,0x03}, // ( 23) 7 - 0x0037 Digit Seven |
38 | {0x36,0x49,0x49,0x49,0x36}, // ( 24) 8 - 0x0038 Digit Eight |
39 | {0x06,0x49,0x49,0x29,0x1E}, // ( 25) 9 - 0x0039 Dight Nine |
40 | {0x00,0x36,0x36,0x00,0x00}, // ( 26) : - 0x003A Colon |
41 | {0x00,0x56,0x36,0x00,0x00}, // ( 27) ; - 0x003B Semicolon |
42 | {0x08,0x14,0x22,0x41,0x00}, // ( 28) < - 0x003C Less-Than Sign |
43 | {0x14,0x14,0x14,0x14,0x14}, // ( 29) = - 0x003D Equals Sign |
44 | {0x00,0x41,0x22,0x14,0x08}, // ( 30) > - 0x003E Greater-Than Sign |
45 | {0x02,0x01,0x51,0x09,0x06}, // ( 31) ? - 0x003F Question Mark |
46 | {0x32,0x49,0x79,0x41,0x3E}, // ( 32) @ - 0x0040 Commercial At |
47 | {0x7E,0x11,0x11,0x11,0x7E}, // ( 33) A - 0x0041 Latin Capital Letter A |
48 | {0x7F,0x49,0x49,0x49,0x36}, // ( 34) B - 0x0042 Latin Capital Letter B |
49 | {0x3E,0x41,0x41,0x41,0x22}, // ( 35) C - 0x0043 Latin Capital Letter C |
50 | {0x7F,0x41,0x41,0x22,0x1C}, // ( 36) D - 0x0044 Latin Capital Letter D |
51 | {0x7F,0x49,0x49,0x49,0x41}, // ( 37) E - 0x0045 Latin Capital Letter E |
52 | {0x7F,0x09,0x09,0x09,0x01}, // ( 38) F - 0x0046 Latin Capital Letter F |
53 | {0x3E,0x41,0x49,0x49,0x7A}, // ( 39) G - 0x0047 Latin Capital Letter G |
54 | {0x7F,0x08,0x08,0x08,0x7F}, // ( 40) H - 0x0048 Latin Capital Letter H |
55 | {0x00,0x41,0x7F,0x41,0x00}, // ( 41) I - 0x0049 Latin Capital Letter I |
56 | {0x20,0x40,0x41,0x3F,0x01}, // ( 42) J - 0x004A Latin Capital Letter J |
57 | {0x7F,0x08,0x14,0x22,0x41}, // ( 43) K - 0x004B Latin Capital Letter K |
58 | {0x7F,0x40,0x40,0x40,0x40}, // ( 44) L - 0x004C Latin Capital Letter L |
59 | {0x7F,0x02,0x0C,0x02,0x7F}, // ( 45) M - 0x004D Latin Capital Letter M |
60 | {0x7F,0x04,0x08,0x10,0x7F}, // ( 46) N - 0x004E Latin Capital Letter N |
61 | {0x3E,0x41,0x41,0x41,0x3E}, // ( 47) O - 0x004F Latin Capital Letter O |
62 | {0x7F,0x09,0x09,0x09,0x06}, // ( 48) P - 0x0050 Latin Capital Letter P |
63 | {0x3E,0x41,0x51,0x21,0x5E}, // ( 49) Q - 0x0051 Latin Capital Letter Q |
64 | {0x7F,0x09,0x19,0x29,0x46}, // ( 50) R - 0x0052 Latin Capital Letter R |
65 | {0x46,0x49,0x49,0x49,0x31}, // ( 51) S - 0x0053 Latin Capital Letter S |
66 | {0x01,0x01,0x7F,0x01,0x01}, // ( 52) T - 0x0054 Latin Capital Letter T |
67 | {0x3F,0x40,0x40,0x40,0x3F}, // ( 53) U - 0x0055 Latin Capital Letter U |
68 | {0x1F,0x20,0x40,0x20,0x1F}, // ( 54) V - 0x0056 Latin Capital Letter V |
69 | {0x3F,0x40,0x38,0x40,0x3F}, // ( 55) W - 0x0057 Latin Capital Letter W |
70 | {0x63,0x14,0x08,0x14,0x63}, // ( 56) X - 0x0058 Latin Capital Letter X |
71 | {0x07,0x08,0x70,0x08,0x07}, // ( 57) Y - 0x0059 Latin Capital Letter Y |
72 | {0x61,0x51,0x49,0x45,0x43}, // ( 58) Z - 0x005A Latin Capital Letter Z |
73 | {0x00,0x7F,0x41,0x41,0x00}, // ( 59) [ - 0x005B Left Square Bracket |
74 | {0x02,0x04,0x08,0x10,0x20}, // ( 60) \ - 0x005C Reverse Solidus |
75 | {0x00,0x41,0x41,0x7F,0x00}, // ( 61) ] - 0x005D Right Square Bracket |
76 | {0x04,0x02,0x01,0x02,0x04}, // ( 62) ^ - 0x005E Circumflex Accent |
77 | {0x40,0x40,0x40,0x40,0x40}, // ( 63) _ - 0x005F Low Line |
78 | {0x01,0x02,0x04,0x00,0x00}, // ( 64) ` - 0x0060 Grave Accent |
79 | {0x20,0x54,0x54,0x54,0x78}, // ( 65) a - 0x0061 Latin Small Letter A |
80 | {0x7F,0x48,0x44,0x44,0x38}, // ( 66) b - 0x0062 Latin Small Letter B |
81 | {0x38,0x44,0x44,0x44,0x20}, // ( 67) c - 0x0063 Latin Small Letter C |
82 | {0x38,0x44,0x44,0x48,0x7F}, // ( 68) d - 0x0064 Latin Small Letter D |
83 | {0x38,0x54,0x54,0x54,0x18}, // ( 69) e - 0x0065 Latin Small Letter E |
84 | {0x08,0x7E,0x09,0x01,0x02}, // ( 70) f - 0x0066 Latin Small Letter F |
85 | {0x06,0x49,0x49,0x49,0x3F}, // ( 71) g - 0x0067 Latin Small Letter G |
86 | {0x7F,0x08,0x04,0x04,0x78}, // ( 72) h - 0x0068 Latin Small Letter H |
87 | {0x00,0x44,0x7D,0x40,0x00}, // ( 73) i - 0x0069 Latin Small Letter I |
88 | {0x20,0x40,0x44,0x3D,0x00}, // ( 74) j - 0x006A Latin Small Letter J |
89 | {0x7F,0x10,0x28,0x44,0x00}, // ( 75) k - 0x006B Latin Small Letter K |
90 | {0x00,0x41,0x7F,0x40,0x00}, // ( 76) l - 0x006C Latin Small Letter L |
91 | {0x7C,0x04,0x18,0x04,0x7C}, // ( 77) m - 0x006D Latin Small Letter M |
92 | {0x7C,0x08,0x04,0x04,0x78}, // ( 78) n - 0x006E Latin Small Letter N |
93 | {0x38,0x44,0x44,0x44,0x38}, // ( 79) o - 0x006F Latin Small Letter O |
94 | {0x7C,0x14,0x14,0x14,0x08}, // ( 80) p - 0x0070 Latin Small Letter P |
95 | {0x08,0x14,0x14,0x18,0x7C}, // ( 81) q - 0x0071 Latin Small Letter Q |
96 | {0x7C,0x08,0x04,0x04,0x08}, // ( 82) r - 0x0072 Latin Small Letter R |
97 | {0x48,0x54,0x54,0x54,0x20}, // ( 83) s - 0x0073 Latin Small Letter S |
98 | {0x04,0x3F,0x44,0x40,0x20}, // ( 84) t - 0x0074 Latin Small Letter T |
99 | {0x3C,0x40,0x40,0x20,0x7C}, // ( 85) u - 0x0075 Latin Small Letter U |
100 | {0x1C,0x20,0x40,0x20,0x1C}, // ( 86) v - 0x0076 Latin Small Letter V |
101 | {0x3C,0x40,0x30,0x40,0x3C}, // ( 87) w - 0x0077 Latin Small Letter W |
102 | {0x44,0x28,0x10,0x28,0x44}, // ( 88) x - 0x0078 Latin Small Letter X |
103 | {0x0C,0x50,0x50,0x50,0x3C}, // ( 89) y - 0x0079 Latin Small Letter Y |
104 | {0x44,0x64,0x54,0x4C,0x44}, // ( 90) z - 0x007A Latin Small Letter Z |
105 | {0x00,0x08,0x36,0x41,0x00}, // ( 91) { - 0x007B Left Curly Bracket |
106 | {0x00,0x00,0x7F,0x00,0x00}, // ( 92) | - 0x007C Vertical Line |
107 | {0x00,0x41,0x36,0x08,0x00}, // ( 93) } - 0x007D Right Curly Bracket |
108 | {0x02,0x01,0x02,0x04,0x02}, // ( 94) ~ - 0x007E Tilde |
109 | {0x08,0x0C,0x0E,0x0C,0x08}, // ( 95) upward facing triangle/arrow |
110 | {0x08,0x18,0x38,0x18,0x08}, // ( 96) downward facing triangle/arrow |
111 | };
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112 | |
113 | |
114 | |
115 | |
116 | #endif /* FONT_H_ */ |
:
Bearbeitet durch User
Also der Quelltext sieht aus wie zurechtgestümpert aus irgendwelchen Arduino-Bibs. Mal ist buffer als Argument variabel, dann in drawPixel wieder fest auf nur einem Buffer. Dann kommen solch abenteuerliche Konstruktionen wie die "while (string[0] != 0)". An Deiner Stelle würde ich erstmal damit aufräumen. Egal - hast Du auch ein komplettes (kompilierfähiges) Beispiel? Ich sehe da keine Aufrufe, keine main, kein itoa.
Das stimmt, es sind Teile aus der Arduino-Lib, die ich noch mal aufräumen muss. Ich wollte das aber erst einmal soweit lauffähig haben, bevor ich noch mal daran rumoptimiere. bisher hatte ich auch nur die Bibliothek gepostet nicht das eigentliche Programm.
1 | /*
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2 | * I2C_LCD.c
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3 | *
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4 | * Created: 02.12.2016 10:55:04
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5 | * Author :
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6 | */
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7 | |
8 | #define F_CPU 8e6
|
9 | |
10 | #include <avr/io.h> |
11 | #include <avr/eeprom.h> |
12 | #include <avr/pgmspace.h> |
13 | #include <util/delay.h> |
14 | #include <stdlib.h> |
15 | #include <string.h> |
16 | #include "i2c.h" |
17 | #include "SSD1306.h" |
18 | #include "light_ws2812.h" |
19 | |
20 | struct cRGB led[40]; |
21 | |
22 | void UpdateScreen(uint8_t red, uint8_t green, uint8_t blue); |
23 | |
24 | |
25 | #define OLED_CONTROL_BYTE_CMD_SINGLE 0x80
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26 | #define OLED_CONTROL_BYTE_CMD_STREAM 0x00
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27 | #define OLED_CONTROL_BYTE_DATA_STREAM 0x40
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28 | |
29 | #define OLED_CMD_SET_CONTRAST 0x81
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30 | #define OLED_CMD_DISPLAY_RAM 0xA4
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31 | #define OLED_CMD_DISPLAY_ALLON 0xA5
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32 | #define OLED_CMD_DISPLAY_NORMAL 0xA6
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33 | #define OLED_CMD_DISPLAY_INVERTED 0xA7
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34 | #define OLED_CMD_DISPLAY_OFF 0xAE
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35 | #define OLED_CMD_DISPLAY_ON 0xAF
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36 | |
37 | |
38 | #define OLED_CMD_SET_MEMORY_ADDR_MODE 0x20
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39 | #define OLED_CMD_SET_COLUMN_RANGE 0x21
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40 | #define OLED_CMD_SET_PAGE_RANGE 0x22
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41 | |
42 | #define OLED_CMD_SET_DISPLAY_START_LINE 0x40
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43 | #define OLED_CMD_SET_SEGMENT_REMAP 0xA1
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44 | #define OLED_CMD_SET_MUX_RATIO 0xA8
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45 | |
46 | #define OLED_CMD_SET_COM_SCAN_MODE 0xC8
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47 | #define OLED_CMD_SET_DISPLAY_OFFSET 0xD3
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48 | #define OLED_CMD_SET_COM_PIN_MAP 0xDA
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49 | |
50 | #define OLED_CMD_SET_DISPLAY_CLK_DIV 0xD5
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51 | #define OLED_CMD_SET_PRECHARGE 0xD9
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52 | #define OLED_CMD_SET_VCOMH_DESELCT 0xDB
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53 | |
54 | #define OLED_CMD_SET_CHARGE_PUMP 0x8D
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55 | |
56 | #define OLED_CMD_NOP 0xE3
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57 | |
58 | #define DevSSD1306 0x78
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59 | |
60 | uint8_t counter_red = 255; |
61 | |
62 | unsigned char buffer [] = {0x00}; |
63 | char Red[3], Green[3], Blue[3]; |
64 | |
65 | unsigned char mie[] = { |
66 | 0x00, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
67 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
68 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
69 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
70 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
71 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
72 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, |
73 | 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
74 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
75 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x0F, 0x0F, 0x0F, |
76 | 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
77 | 0xFF, 0x3F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x1F, 0xFF, 0xFF, 0xFF, |
78 | 0xFF, 0x7F, 0x3F, 0x1F, 0x1F, 0x0F, 0x0F, 0x0F, 0x1F, 0x1F, 0x3F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, |
79 | 0xFF, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, |
80 | 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
81 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
82 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
83 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x1F, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, |
84 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x0F, 0x03, |
85 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, |
86 | 0xF1, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xF1, 0xFF, 0xFF, 0xFF, |
87 | 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, |
88 | 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
89 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
90 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
91 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
92 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x7F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, |
93 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, |
94 | 0xFF, 0xFF, 0x3F, 0x3F, 0x3F, 0x3E, 0x3E, 0x3E, 0x3F, 0x3F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
95 | 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, |
96 | 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
97 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
98 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
99 | 0xFF, 0x3F, 0x0F, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xE0, 0xF8, 0x00, 0x00, |
100 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
101 | 0xC0, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, |
102 | 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0xFF, 0xFF, 0xFF, 0xFF, |
103 | 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
104 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
105 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
106 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x1F, 0x03, |
107 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF, 0x00, 0x00, |
108 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xF0, 0xFC, 0xFF, |
109 | 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, |
110 | 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0xFF, 0xFF, 0xFF, 0xFF, |
111 | 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
112 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
113 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
114 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x1F, 0x07, 0x01, 0x00, 0x00, 0x00, |
115 | 0x00, 0x00, 0x00, 0x00, 0xC0, 0xF0, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, |
116 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xF0, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
117 | 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, |
118 | 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0xFF, 0xFF, 0xFF, 0xFF, |
119 | 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
120 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
121 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
122 | 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, |
123 | 0xFC, 0xFC, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF8, 0xF8, |
124 | 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
125 | 0xFF, 0xFF, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFF, 0xFF, 0xFF, |
126 | 0xFF, 0xFF, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
127 | 0xFF, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, |
128 | 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
129 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
130 | };
|
131 | |
132 | |
133 | int main(void) |
134 | {
|
135 | SSD1306_init(); |
136 | clearBuffer(buffer); |
137 | drawBuffer(mie); |
138 | _delay_ms(2500); |
139 | |
140 | while (1) |
141 | {
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142 | for (uint8_t i = 0; i < 255; i++) |
143 | {
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144 | |
145 | for (uint8_t j = 0; j < 40; j++) |
146 | {
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147 | led[j].r=counter_red;led[j].g=127;led[j].b=i; |
148 | ws2812_setleds(led,40); |
149 | }
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150 | |
151 | UpdateScreen(counter_red, 127, i); |
152 | counter_red--; |
153 | |
154 | }
|
155 | |
156 | }
|
157 | }
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158 | |
159 | void UpdateScreen(uint8_t red, uint8_t green, uint8_t blue) |
160 | {
|
161 | itoa(red, Red, 10); |
162 | itoa(green, Green, 10); |
163 | itoa(blue, Blue, 10); |
164 | |
165 | drawString(10, 2, "Red: ", buffer); |
166 | drawString(45, 2, Red, buffer); |
167 | drawString(10, 3, "Green: ", buffer); |
168 | drawString(45, 3, Green, buffer); |
169 | drawString(10, 4, "Blue: ", buffer); |
170 | drawString(45, 4, Blue, buffer); |
171 | |
172 | }
|
clearBuffer(buffer); drawBuffer(mie); buffer? mie?
1 | char * itoa ( int value, char * str, int base ); |
str should be an array long enough to contain any possible value Ein char (Wertebereich 0 - 255 oder -127 bis 127, je nachdem - merkst Du was, da ist u.U. ein Vorzeichen dabei?) braucht als ASCII-String welche maximale Länge? Hinweis:
1 | char Red[3], Green[3], Blue[3]; |
ist jedenfalls falsch. Wie wird doch gleich bei einem C-String das Ende gekennzeichnet?
john doe schrieb: > clearBuffer(buffer); > drawBuffer(mie); > > buffer? mie? mie ist ein logo was angezeigt werden soll und wird nicht verändert. Das logo wird dann durch einen dynamischen Inhalt abgelöst, der in buffer geschrieben wird. Markus F. schrieb: > Wie wird doch gleich bei einem C-String das Ende > gekennzeichnet? Durch eine Null-Terminierung. Also brauch ich noch einen weiteren Array-Platz, am besten also char red[5]. Dies ist nicht der Fehler, auch wenn ich jedem char 10Mögliche Elemente ermögliche, tritt der Fehler auf.
Marco G. schrieb: > Durch eine Null-Terminierung. Also brauch ich noch einen weiteren > Array-Platz, am besten also char red[5]. > richtig. > Dies ist nicht der Fehler, auch wenn ich jedem char 10Mögliche Elemente > ermögliche, tritt der Fehler auf. Das war ein Fehler. Als nächstes darfst Du darüber sinnieren, wieviele Elemente
1 | unsigned char buffer [] = {0x00}; |
wohl hat und wieviele Elemente drawChar() wohl braucht, um vernünftig zu funktionieren.
Ich brauche die Anzahl der Pixel als Elemente, also in diesem Fall
1 | char buffer[1024] = {0x00}; |
Wfenn ich das dahingehend ändere stimmt die Darstellung auch... Danke für die Hilfe
:
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