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1 | /**************************************************************************** |
1 | /**************************************************************************** |
2 | * Copyright (C) 2009-2011 by Claas Anders "CaScAdE" Rathje * |
2 | * Copyright (C) 2009-2012 by Claas Anders "CaScAdE" Rathje * |
3 | * admiralcascade@gmail.com * |
3 | * admiralcascade@gmail.com * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-strom/ * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-strom/ * |
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 | /* |
21 | /* |
22 | * structs 'n union for easy SPI transfer |
22 | * structs 'n union for easy SPI transfer |
23 | */ |
23 | */ |
24 | typedef struct { |
24 | typedef struct { |
25 | int16_t ampere; |
25 | int16_t ampere; |
26 | int32_t mah; |
26 | int32_t mah; |
27 | int16_t volt; |
27 | int16_t volt; |
28 | } __attribute__((packed)) SPI_strom_data_t; |
28 | } __attribute__((packed)) SPI_strom_data_t; |
29 | 29 | ||
30 | typedef struct { |
30 | typedef struct { |
31 | uint8_t c[10]; |
31 | uint8_t c[10]; |
32 | uint8_t chk; |
32 | uint8_t chk; |
33 | } __attribute__((packed)) SPI_char_buffer_t; |
33 | } __attribute__((packed)) SPI_char_buffer_t; |
34 | 34 | ||
35 | union SPI_buffer_t { |
35 | union SPI_buffer_t { |
36 | SPI_strom_data_t data; |
36 | SPI_strom_data_t data; |
37 | SPI_char_buffer_t buffer; |
37 | SPI_char_buffer_t buffer; |
38 | }; |
38 | }; |
39 | 39 |