forked from len0rd/rockbox
Improve radio RDS driver and framework
* Remove unused bits like the radio event and simplify basic radio interface. It can be more self-contained with rds.h only required by radio and tuner code. * Add post-processing to text a-la Silicon Labs AN243. The chip's error correction can only do so much; additional checks are highly recommended. Simply testing for two identical messages in a row is extremely effective and I've never seen corrupted text since doing that, even with mediocre reception. Groups segments must arrive in order, not randomly; logic change only accepts them in order, starting at 0. Time readout was made a bit better but really we'd need to use verbose mode and ensure that no errors were seen during receiving of time and more checks would be need to have a stable PI. The text is the important bit anyway. * Time out of stale text. * Text is no longer updated until a complete group has been received, as is specified in the standard. Perhaps go back to scrolling text lines in the radio screen? * Add proper character conversion to UTF-8. Only the default G0 table for the moment. The other two could be added in. * Add variants "RDS_CFG_PROCESS" and "RDS_CFG_PUSH" to allow the option for processed RDS data to be pushed to the driver and still do proper post-processing (only text conversion for now for the latter). Change-Id: I4d83f8b2e89a209a5096d15ec266477318c66925
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parent
6436c6e749
commit
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25 changed files with 514 additions and 343 deletions
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@ -127,10 +127,6 @@
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#include "iap.h"
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#endif
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#ifdef HAVE_RDS_CAP
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#include "rds.h"
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#endif
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#include "talk.h"
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static const char* threads_getname(int selected_item, void *data,
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@ -2166,17 +2162,25 @@ static int radio_callback(int btn, struct gui_synclist *lists)
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#endif /* TEA5760 */
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#ifdef HAVE_RDS_CAP
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simplelist_addline("PI:%04X PS:'%8s'",
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rds_get_pi(), rds_get_ps());
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simplelist_addline("RT:%s",
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rds_get_rt());
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time_t seconds = rds_get_ct();
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{
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char buf[65*4];
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uint16_t pi;
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time_t seconds;
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tuner_get_rds_info(RADIO_RDS_NAME, buf, sizeof (buf));
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tuner_get_rds_info(RADIO_RDS_PROGRAM_INFO, &pi, sizeof (pi));
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simplelist_addline("PI:%04X PS:'%8s'", pi, buf);
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tuner_get_rds_info(RADIO_RDS_TEXT, buf, sizeof (buf));
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simplelist_addline("RT:%s", buf);
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tuner_get_rds_info(RADIO_RDS_CURRENT_TIME, &seconds, sizeof (seconds));
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struct tm* time = gmtime(&seconds);
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simplelist_addline(
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"CT:%4d-%02d-%02d %02d:%02d",
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time->tm_year + 1900, time->tm_mon + 1, time->tm_mday,
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time->tm_hour, time->tm_min, time->tm_sec);
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#endif
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}
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#endif /* HAVE_RDS_CAP */
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return ACTION_REDRAW;
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}
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static bool dbg_fm_radio(void)
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