Rev 902 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 771 | - | 1 | /**************************************************************************** |
| 1437 | - | 2 | * Copyright (C) 2009-2012 by Claas Anders "CaScAdE" Rathje * |
| 771 | - | 3 | * admiralcascade@gmail.com * |
| 4 | * Project-URL: http://www.mylifesucks.de/oss/c-strom/ * |
||
| 5 | * * |
||
| 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 * |
||
| 8 | * the Free Software Foundation; either version 2 of the License. * |
||
| 9 | * * |
||
| 10 | * This program is distributed in the hope that it will be useful, * |
||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
||
| 13 | * GNU General Public License for more details. * |
||
| 14 | * * |
||
| 15 | * You should have received a copy of the GNU General Public License * |
||
| 16 | * along with this program; if not, write to the * |
||
| 17 | * Free Software Foundation, Inc., * |
||
| 18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
||
| 19 | ****************************************************************************/ |
||
| 20 | |||
| 21 | Console listens at 8n1 19200... Commands are explained there... |
||
| 22 | |||
| 23 | |||
| 24 | ############################################################################# |
||
| 25 | i2c/twi Sample snipplet |
||
| 26 | // i2c master libary by Peter Fleury used in this example |
||
| 27 | // http://homepage.hispeed.ch/peterfleury/avr-software.html#libs |
||
| 28 | |||
| 29 | #define CSTROM_I2C 0x20 |
||
| 30 | |||
| 31 | i2c_init(); |
||
| 32 | sei(); |
||
| 33 | |||
| 34 | union SPI_buffer_t SPI_buffer; |
||
| 35 | // @see http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=Projects&path=%2FC-OSD%2Ftrunk%2Fspi.h |
||
| 36 | |||
| 37 | if(!(i2c_start(CSTROM_I2C+I2C_WRITE))) { // check for slave ready |
||
| 38 | i2c_write(0x00); // start with buffer address 0 |
||
| 39 | i2c_rep_start(CSTROM_I2C+I2C_READ); // start reading |
||
| 40 | for (uint8_t i = 0; i < 9; i++) { // loop through first 9 positions |
||
| 41 | SPI_buffer.buffer.c[i] = i2c_readAck(); |
||
| 42 | } |
||
| 43 | SPI_buffer.buffer.c[9] = i2c_readNak(); // last position does not take ACK |
||
| 44 | i2c_stop(); |
||
| 45 | } |
||
| 46 | uart_puts(itoa(SPI_buffer.data.volt, s, 10)); |
||
| 47 | uart_puts_pgm(PSTR("V\r\n")); |
||
| 48 | ############################################################################# |