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path: root/firmware/drivers/tuner/si4700.c
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Diffstat (limited to 'firmware/drivers/tuner/si4700.c')
-rw-r--r--firmware/drivers/tuner/si4700.c87
1 files changed, 19 insertions, 68 deletions
diff --git a/firmware/drivers/tuner/si4700.c b/firmware/drivers/tuner/si4700.c
index 90d8df27dc..c7d942f293 100644
--- a/firmware/drivers/tuner/si4700.c
+++ b/firmware/drivers/tuner/si4700.c
@@ -213,9 +213,6 @@
213static bool tuner_present = false; 213static bool tuner_present = false;
214static uint16_t cache[16]; 214static uint16_t cache[16];
215static struct mutex fmr_mutex SHAREDBSS_ATTR; 215static struct mutex fmr_mutex SHAREDBSS_ATTR;
216#ifdef HAVE_RDS_CAP
217static int rds_event = 0;
218#endif
219 216
220/* reads <len> registers from radio at offset 0x0A into cache */ 217/* reads <len> registers from radio at offset 0x0A into cache */
221static void si4700_read(int len) 218static void si4700_read(int len)
@@ -373,6 +370,7 @@ void si4700_init(void)
373 si4700_sleep(1); 370 si4700_sleep(1);
374 371
375#ifdef HAVE_RDS_CAP 372#ifdef HAVE_RDS_CAP
373 rds_init();
376 si4700_rds_init(); 374 si4700_rds_init();
377#endif 375#endif
378 } 376 }
@@ -528,21 +526,6 @@ int si4700_get(int setting)
528 case RADIO_RSSI_MAX: 526 case RADIO_RSSI_MAX:
529 val = RSSI_MAX; 527 val = RSSI_MAX;
530 break; 528 break;
531
532#ifdef HAVE_RDS_CAP
533 case RADIO_EVENT:
534 {
535 #ifdef RDS_ISR_PROCESSING
536 int oldlevel = disable_irq_save();
537 #endif
538 val = rds_event;
539 rds_event = 0;
540 #ifdef RDS_ISR_PROCESSING
541 restore_irq(oldlevel);
542 #endif
543 break;
544 }
545#endif
546 } 529 }
547 530
548 mutex_unlock(&fmr_mutex); 531 mutex_unlock(&fmr_mutex);
@@ -567,77 +550,45 @@ void si4700_dbg_info(struct si4700_dbg_info *nfo)
567 550
568#ifdef HAVE_RDS_CAP 551#ifdef HAVE_RDS_CAP
569 552
570#ifdef RDS_ISR_PROCESSING 553#if (CONFIG_RDS & RDS_CFG_ISR)
571/* Read raw RDS info for processing - in ISR */ 554static unsigned char isr_regbuf[(RDSD - STATUSRSSI + 1) * 2];
572 555
573/* Assumes regbuf is 32 bytes */ 556/* Called by RDS interrupt on target */
574void si4700_rds_read_raw_async(void) 557void si4700_rds_interrupt(void)
575{ 558{
576 si4700_read_raw_async((RDSD - STATUSRSSI + 1) * 2); 559 si4700_rds_read_raw_async(isr_regbuf, sizeof (isr_regbuf));
577} 560}
578 561
579void si4700_rds_read_raw_async_complete(unsigned char *regbuf, 562/* Handle RDS event from ISR */
580 uint16_t data[4]) 563void si4700_rds_process(void)
581{ 564{
582 const int index = (RDSA - STATUSRSSI) * 2; 565 uint16_t rds_data[4];
566 int index = (RDSA - STATUSRSSI) * 2;
583 567
584 for (int i = 0; i < 4; i++) { 568 for (int i = 0; i < 4; i++) {
585 data[i] = regbuf[index] << 8 | regbuf[index + 1]; 569 rds_data[i] = isr_regbuf[index] << 8 | isr_regbuf[index + 1];
586 regbuf += 2; 570 index += 2;
587 } 571 }
588}
589 572
590/* Set the event flag */ 573 rds_process(rds_data);
591void si4700_rds_set_event(void)
592{
593 rds_event = 1;
594} 574}
595 575
596#else /* ndef RDS_ISR_PROCESSING */ 576#else /* !(CONFIG_RDS & RDS_CFG_ISR) */
597/* Read raw RDS info for processing */
598bool si4700_rds_read_raw(uint16_t data[4])
599{
600 bool retval = false;
601 577
578/* Handle RDS event from thread */
579void si4700_rds_process(void)
580{
602 mutex_lock(&fmr_mutex); 581 mutex_lock(&fmr_mutex);
603 582
604 if (tuner_powered()) 583 if (tuner_powered())
605 { 584 {
606 si4700_read_reg(RDSD); 585 si4700_read_reg(RDSD);
607 memcpy(data, &cache[RDSA], 4 * sizeof (uint16_t)); 586 rds_process(&cache[RDSA]);
608 retval = true;
609 } 587 }
610 588
611 mutex_unlock(&fmr_mutex); 589 mutex_unlock(&fmr_mutex);
612
613 return retval;
614}
615
616/* Set the event flag */
617void si4700_rds_set_event(void)
618{
619 mutex_lock(&fmr_mutex);
620 rds_event = 1;
621 mutex_unlock(&fmr_mutex);
622} 590}
623#endif /* RDS_ISR_PROCESSING */ 591#endif /* (CONFIG_RDS & RDS_CFG_ISR) */
624 592
625char * si4700_get_rds_info(int setting)
626{
627 char *text = NULL;
628
629 switch(setting)
630 {
631 case RADIO_RDS_NAME:
632 text = rds_get_ps();
633 break;
634
635 case RADIO_RDS_TEXT:
636 text = rds_get_rt();
637 break;
638 }
639
640 return text;
641}
642#endif /* HAVE_RDS_CAP */ 593#endif /* HAVE_RDS_CAP */
643 594