Working i2c code for 128x64 Crius OLED Modul v1.0. Controller SSD1306. The OLED module must be modified for sending correct ACK signal.
Discussion here: http://developer.mbed.org/forum/libdev/topic/5402/
main.cpp@0:38a126729865, 2014-03-13 (annotated)
- Committer:
- michaelruck
- Date:
- Thu Mar 13 18:46:54 2014 +0000
- Revision:
- 0:38a126729865
Crius OLED SSD1306 i2c
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
michaelruck | 0:38a126729865 | 1 | /* ============================================ |
michaelruck | 0:38a126729865 | 2 | Modified Code from Crius |
michaelruck | 0:38a126729865 | 3 | The CriusOLED Hardware MUST be modified for correct function of ACK |
michaelruck | 0:38a126729865 | 4 | Copyright (c) 2014 Michael Ruck michael@ruck.com |
michaelruck | 0:38a126729865 | 5 | |
michaelruck | 0:38a126729865 | 6 | Permission is hereby granted, free of charge, to any person obtaining a copy |
michaelruck | 0:38a126729865 | 7 | of this software and associated documentation files (the "Software"), to deal |
michaelruck | 0:38a126729865 | 8 | in the Software without restriction, including without limitation the rights |
michaelruck | 0:38a126729865 | 9 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
michaelruck | 0:38a126729865 | 10 | copies of the Software, and to permit persons to whom the Software is |
michaelruck | 0:38a126729865 | 11 | furnished to do so, subject to the following conditions: |
michaelruck | 0:38a126729865 | 12 | |
michaelruck | 0:38a126729865 | 13 | The above copyright notice and this permission notice shall be included in |
michaelruck | 0:38a126729865 | 14 | all copies or substantial portions of the Software. |
michaelruck | 0:38a126729865 | 15 | |
michaelruck | 0:38a126729865 | 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
michaelruck | 0:38a126729865 | 17 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
michaelruck | 0:38a126729865 | 18 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
michaelruck | 0:38a126729865 | 19 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
michaelruck | 0:38a126729865 | 20 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
michaelruck | 0:38a126729865 | 21 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
michaelruck | 0:38a126729865 | 22 | THE SOFTWARE. |
michaelruck | 0:38a126729865 | 23 | =============================================== |
michaelruck | 0:38a126729865 | 24 | */ |
michaelruck | 0:38a126729865 | 25 | |
michaelruck | 0:38a126729865 | 26 | #include "mbed.h" |
michaelruck | 0:38a126729865 | 27 | #include <time.h> |
michaelruck | 0:38a126729865 | 28 | #include "CriusOLED.h" |
michaelruck | 0:38a126729865 | 29 | |
michaelruck | 0:38a126729865 | 30 | |
michaelruck | 0:38a126729865 | 31 | //DigitalOut myled(D2); |
michaelruck | 0:38a126729865 | 32 | |
michaelruck | 0:38a126729865 | 33 | Serial pc(SERIAL_TX, SERIAL_RX); |
michaelruck | 0:38a126729865 | 34 | |
michaelruck | 0:38a126729865 | 35 | int main() |
michaelruck | 0:38a126729865 | 36 | { |
michaelruck | 0:38a126729865 | 37 | time_t rawtime; |
michaelruck | 0:38a126729865 | 38 | struct tm timeinfo; |
michaelruck | 0:38a126729865 | 39 | struct tm * timeinfo2; |
michaelruck | 0:38a126729865 | 40 | char buffer [6]; |
michaelruck | 0:38a126729865 | 41 | char buffer2[60]; |
michaelruck | 0:38a126729865 | 42 | |
michaelruck | 0:38a126729865 | 43 | |
michaelruck | 0:38a126729865 | 44 | // Initialize I2C and OLED Display |
michaelruck | 0:38a126729865 | 45 | i2c.frequency(400000); |
michaelruck | 0:38a126729865 | 46 | init_OLED(); |
michaelruck | 0:38a126729865 | 47 | displayOn(); |
michaelruck | 0:38a126729865 | 48 | reset_display(); |
michaelruck | 0:38a126729865 | 49 | |
michaelruck | 0:38a126729865 | 50 | |
michaelruck | 0:38a126729865 | 51 | timeinfo.tm_year = 2014-1900; |
michaelruck | 0:38a126729865 | 52 | timeinfo.tm_mon = 3-1; |
michaelruck | 0:38a126729865 | 53 | timeinfo.tm_mday = 13; |
michaelruck | 0:38a126729865 | 54 | |
michaelruck | 0:38a126729865 | 55 | timeinfo.tm_hour=0; |
michaelruck | 0:38a126729865 | 56 | timeinfo.tm_min=0; |
michaelruck | 0:38a126729865 | 57 | timeinfo.tm_sec=0; |
michaelruck | 0:38a126729865 | 58 | //timeinfo->tm_isds=0; // not implemented in mbed |
michaelruck | 0:38a126729865 | 59 | |
michaelruck | 0:38a126729865 | 60 | set_time(mktime(&timeinfo)); |
michaelruck | 0:38a126729865 | 61 | pc.printf("%d\n\n", mktime(&timeinfo)); |
michaelruck | 0:38a126729865 | 62 | |
michaelruck | 0:38a126729865 | 63 | while(1) { |
michaelruck | 0:38a126729865 | 64 | //myled != myled; |
michaelruck | 0:38a126729865 | 65 | clear_display(); |
michaelruck | 0:38a126729865 | 66 | sendImage(); |
michaelruck | 0:38a126729865 | 67 | wait(1.0); |
michaelruck | 0:38a126729865 | 68 | clear_display(); |
michaelruck | 0:38a126729865 | 69 | sendStrXY("Code by M. Ruck",4,0); |
michaelruck | 0:38a126729865 | 70 | wait(1.0); |
michaelruck | 0:38a126729865 | 71 | //reset_display(); |
michaelruck | 0:38a126729865 | 72 | clear_display(); |
michaelruck | 0:38a126729865 | 73 | |
michaelruck | 0:38a126729865 | 74 | rawtime = time(NULL); |
michaelruck | 0:38a126729865 | 75 | timeinfo2 = localtime (&rawtime); |
michaelruck | 0:38a126729865 | 76 | strftime (buffer2, 60, "%d.%m.%Y %H:%M:%S", timeinfo2); |
michaelruck | 0:38a126729865 | 77 | pc.printf("%s\n",buffer2); |
michaelruck | 0:38a126729865 | 78 | strftime (buffer,6,"%M:%S",timeinfo2); |
michaelruck | 0:38a126729865 | 79 | printBigTime(buffer); |
michaelruck | 0:38a126729865 | 80 | wait(4.0); |
michaelruck | 0:38a126729865 | 81 | |
michaelruck | 0:38a126729865 | 82 | } |
michaelruck | 0:38a126729865 | 83 | } |