Author: jaguarondi
Date: 2008-07-16 10:26:54 +0200 (Wed, 16 Jul 2008)
New Revision: 1329
Modified:
firmware/tuxaudio/trunk/PC_communication.c
Log:
* Dirty hack when an ACK is never received, resend the command. This problem
doesn't seem to appear with the new RF so this is just a temporary solution.
Modified: firmware/tuxaudio/trunk/PC_communication.c
===================================================================
--- firmware/tuxaudio/trunk/PC_communication.c 2008-07-16 08:14:37 UTC (rev
1328)
+++ firmware/tuxaudio/trunk/PC_communication.c 2008-07-16 08:26:54 UTC (rev
1329)
@@ -54,6 +54,7 @@
spi_ready = 0;
if (spi_slave == HEADERS)
{
+ uint8_t static force_resend = 0;
/* Sound */
if (FifoLength(ADCFifo) >= 17)
spi_headerb = 0x02; /* frame will contain sound */
@@ -67,8 +68,18 @@
spi_headerb |= 0x08; /* resend the previous status
if nacked */
}
else if (rf_data_sent_ack != RF_DATA_SENT_BUSY) /*
wait the end of transmission */
+ {
if (!popStatus(spi_commandTX)) /* fetch the next
status */
spi_headerb |= 0x08; /* indicate that the
frame contains status */
+ }
+ else
+ {
+ if (++force_resend == 20)
+ {
+ force_resend = 0;
+ spi_headerb |= 0x08; /* resend the previous
status if nacked */
+ }
+ }
SPDR = spi_headerb; // Header byte
spi_slave = GET_SOUND_FIFO; // Next state
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