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1 | /*---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
2 | * irmpextlog.c - external logging\r | |
3 | *\r | |
4 | * $Id: irmpextlog.c,v 1.1 2012/02/16 10:40:08 fm Exp $\r | |
5 | *\r | |
6 | * If you cannot use the internal UART logging routine, adapt the\r | |
7 | * source below for your application. The following implementation\r | |
8 | * is an example for a PIC 18F2550 with USB interface.\r | |
9 | *\r | |
10 | * This program is free software; you can redistribute it and/or modify\r | |
11 | * it under the terms of the GNU General Public License as published by\r | |
12 | * the Free Software Foundation; either version 2 of the License, or\r | |
13 | * (at your option) any later version.\r | |
14 | *---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
15 | */\r | |
16 | #include "irmpconfig.h"\r | |
17 | \r | |
18 | #if IRMP_EXT_LOGGING == 1\r | |
19 | \r | |
20 | #include "irmpextlog.h"\r | |
21 | #include "system/usb/usb.h"\r | |
22 | \r | |
23 | #define bit_set(var,bitnr) ((var) |= 1 << (bitnr)) // set single bit in byte\r | |
24 | #define loglen 50 // byte length for saving the data from irmp.c\r | |
25 | // check your USB settings for max length of USB interface used for this FW!\r | |
26 | static unsigned char logdata[loglen]; // array for saveing the data from irmp.c\r | |
27 | static unsigned char logindex = 3; // start index of logdata\r | |
28 | static char bitindex = 7; // bit position in current byte\r | |
29 | static unsigned int bitcount;\r | |
30 | \r | |
31 | /*---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
32 | * Initialize external logging\r | |
33 | *---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
34 | */\r | |
35 | void\r | |
36 | initextlog (void) // reset all data to default, only during init\r | |
37 | {\r | |
38 | unsigned char i;\r | |
39 | \r | |
40 | for (i = 0; i < loglen; i++)\r | |
41 | {\r | |
42 | logdata[i] = 0;\r | |
43 | }\r | |
44 | \r | |
45 | bitcount = 0;\r | |
46 | logindex = 3;\r | |
47 | bitindex = 7;\r | |
48 | }\r | |
49 | \r | |
50 | /*---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
51 | * Send logging data via device (e.g. USB on PIC)\r | |
52 | *---------------------------------------------------------------------------------------------------------------------------------------------------\r | |
53 | */\r | |
54 | void\r | |
55 | sendextlog (unsigned char data)\r | |
56 | {\r | |
57 | if (logindex == loglen || data == '\n') // buffer full or \n --> send to application\r | |
58 | {\r | |
59 | if (mUSBUSARTIsTxTrfReady()) // check USB, if ready send\r | |
60 | {\r | |
61 | logdata[0] = 0x01; // indicator for logging, depends on your application\r | |
62 | logdata[1] = logindex; // save how much bytes are send from irmp.c\r | |
63 | logdata[2] = 0; // set \n Index to 0; 0=buffer full; 0xA=\n received\r | |
64 | \r | |
65 | if (data == '\n')\r | |
66 | {\r | |
67 | logdata[2] = data; // \n --> save \n=0xA in to check in app that \n was received\r | |
68 | }\r | |
69 | \r | |
70 | mUSBUSARTTxRam((unsigned char *) &logdata, loglen); // send all Data to main Seoftware\r | |
71 | \r | |
72 | logindex = 3; // reset index\r | |
73 | bitindex = 7; // reset bit position\r | |
74 | logdata[logindex] = 0; // reset value of new logindex to 0\r | |
75 | }\r | |
76 | }\r | |
77 | else\r | |
78 | {\r | |
79 | bitcount++;\r | |
80 | \r | |
81 | if (data == '1')\r | |
82 | {\r | |
83 | bit_set(logdata[logindex], bitindex); // all logdata[logindex] on start = 0 --> only 1 must be set\r | |
84 | }\r | |
85 | \r | |
86 | bitindex--; // decrease bitposition, wirte from left to right\r | |
87 | \r | |
88 | if (bitindex == -1) // byte complete Bit 7->0 --> next one\r | |
89 | {\r | |
90 | bitindex = 7;\r | |
91 | logindex++;\r | |
92 | \r | |
93 | if (logindex < loglen)\r | |
94 | {\r | |
95 | logdata[logindex] = 0; // set next byte to 0\r | |
96 | }\r | |
97 | }\r | |
98 | }\r | |
99 | }\r | |
100 | \r | |
101 | #endif //IRMP_EXT_LOGGING\r | |
102 | \r | |
103 | static void\r | |
104 | dummy (void)\r | |
105 | {\r | |
106 | // Only to avoid C18 compiler error\r | |
107 | }\r |