Version 2.5.7: some corrections for PIC XC8 compiler

[irmp.git] / irmpextlog.c

/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * irmpextlog.c - external logging\r
 *\r
 * $Id: irmpextlog.c,v 1.4 2014/02/19 12:57:36 fm Exp $\r
 *\r
 * If you cannot use the internal UART logging routine, adapt the\r
 * source below for your application. The following implementation\r
 * is an example for a PIC 18F2550 with USB interface.\r
 *\r
 * This program is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License as published by\r
 * the Free Software Foundation; either version 2 of the License, or\r
 * (at your option) any later version.\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
#include "irmp.h"\r
\r
#if IRMP_EXT_LOGGING == 1\r
\r
#include "irmpextlog.h"\r
#include "system/usb/usb.h"\r
\r
#define bit_set(var,bitnr)      ((var) |= 1 << (bitnr))         // set single bit in byte\r
#define loglen                  50                              // byte length for saving the data from irmp.c\r
                                                                // check your USB settings for max length of USB interface used for this FW!\r
static unsigned char            logdata[loglen];                // array for saveing the data from irmp.c\r
static unsigned char            logindex = 3;                   // start index of logdata\r
static char                     bitindex = 7;                   // bit position in current byte\r
static unsigned int             bitcount;\r
\r
/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * Initialize external logging\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
void\r
initextlog (void)                                               // reset all data to default, only during init\r
{\r
    unsigned char i;\r
 \r
    for (i = 0; i < loglen; i++)\r
    {\r
        logdata[i] = 0;\r
    }\r
\r
    bitcount = 0;\r
    logindex = 3;\r
    bitindex = 7;\r
}\r
\r
/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
 * Send logging data via device (e.g. USB on PIC)\r
 *---------------------------------------------------------------------------------------------------------------------------------------------------\r
 */\r
void\r
sendextlog (unsigned char data)\r
{\r
    if (logindex == loglen || data == '\n')                     // buffer full or \n  -->  send to application\r
    {\r
        if (mUSBUSARTIsTxTrfReady())                            // check USB, if ready send\r
        {\r
            logdata[0] = 0x01;                                  // indicator for logging, depends on your application\r
            logdata[1] = logindex;                              // save how much bytes are send from irmp.c\r
            logdata[2] = 0;                                     // set \n Index to 0;  0=buffer full;  0xA=\n received\r
\r
            if (data == '\n')\r
            {\r
                logdata[2] = data;                              // \n --> save \n=0xA in to check in app that \n was received\r
            }\r
\r
            mUSBUSARTTxRam((unsigned char *) &logdata, loglen); // send all Data to main Seoftware\r
      \r
            logindex = 3;                                       // reset index\r
            bitindex = 7;                                       // reset bit position\r
            logdata[logindex] = 0;                              // reset value of new logindex to 0\r
        }\r
    }\r
    else\r
    {\r
        bitcount++;\r
\r
        if (data == '1')\r
        {\r
            bit_set(logdata[logindex], bitindex);               // all logdata[logindex] on start = 0 --> only 1 must be set\r
        }\r
\r
        bitindex--;                                             // decrease bitposition, wirte from left to right\r
\r
        if (bitindex == -1)                                     // byte complete Bit 7->0 --> next one\r
        {\r
            bitindex = 7;\r
            logindex++;\r
\r
            if (logindex < loglen)\r
            {\r
                logdata[logindex] = 0;                          // set next byte to 0\r
            }\r
        }\r
    }\r
}\r
\r
#endif //IRMP_EXT_LOGGING\r
\r
#if defined(PIC_C18)\r
static void\r
dummy (void)\r
{\r
  // Only to avoid C18 compiler error\r
}\r
#endif\r