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spi-hdlc-adapter: Added better debugging capabilities. (#337)

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This commit is contained in:
Robert Quattlebaum
2016-08-04 16:31:41 -07:00
committed by Jonathan Hui
parent 1613de62c4
commit 3f67c16faf
1 changed files with 43 additions and 18 deletions
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tools/spi-hdlc-adapter/spi-hdlc-adapter.c
+43 -18
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@@ -90,6 +90,8 @@
#define SPI_RX_ALIGN_ALLOWANCE_MAX 3
#define SOCKET_DEBUG_BYTES_PER_LINE 16
static const uint8_t kHdlcResetSignal[] = { 0x7E, 0x13, 0x11, 0x7E };
static const uint16_t kHdlcCrcCheckValue = 0xf0b8;
static const uint16_t kHdlcCrcResetValue = 0xffff;
@@ -235,7 +237,28 @@ static void signal_critical(int sig, siginfo_t * info, void * ucontext)
exit(EXIT_FAILURE);
}
static void log_debug_buffer(const char* desc, const uint8_t* buffer_ptr, int buffer_len)
{
int i = 0;
if (sVerbose < LOG_DEBUG)
{
return;
}
while (i < buffer_len)
{
int j;
char dump_string[SOCKET_DEBUG_BYTES_PER_LINE*3+1];
for (j = 0; i < buffer_len && j < SOCKET_DEBUG_BYTES_PER_LINE; i++, j++)
{
sprintf(dump_string+j*3, "%02X ", buffer_ptr[i]);
}
syslog(LOG_DEBUG, "%s: %s%s", desc, dump_string, (i < buffer_len)?" ...":"");
}
}
/* ------------------------------------------------------------------------- */
/* MARK: SPI Transfer Functions */
@@ -334,6 +357,9 @@ static int do_spi_xfer(int len)
}
}
log_debug_buffer("SPI-TX", sSpiTxFrameBuffer, xfer.len);
log_debug_buffer("SPI-RX", sSpiRxFrameBuffer, xfer.len);
sSpiFrameCount++;
return ret;
@@ -342,25 +368,24 @@ static int do_spi_xfer(int len)
static void debug_spi_header(const char* hint)
{
const uint8_t* spiRxFrameBuffer = get_real_rx_frame_start();
if (sVerbose >= LOG_DEBUG)
{
const uint8_t* spiRxFrameBuffer = get_real_rx_frame_start();
syslog(LOG_DEBUG, "%s: TX-HEADER: %02X %02X %02X %02X %02X\n",
hint,
sSpiTxFrameBuffer[0],
sSpiTxFrameBuffer[1],
sSpiTxFrameBuffer[2],
sSpiTxFrameBuffer[3],
sSpiTxFrameBuffer[4]
);
syslog(LOG_DEBUG, "%s-TX: H:%02X ACCEPT:%d DATA:%0d\n",
hint,
spi_header_get_flag_byte(sSpiTxFrameBuffer),
spi_header_get_accept_len(sSpiTxFrameBuffer),
spi_header_get_data_len(sSpiTxFrameBuffer)
);
syslog(LOG_DEBUG, "%s: RX-HEADER: %02X %02X %02X %02X %02X\n",
hint,
spiRxFrameBuffer[0],
spiRxFrameBuffer[1],
spiRxFrameBuffer[2],
spiRxFrameBuffer[3],
spiRxFrameBuffer[4]
);
syslog(LOG_DEBUG, "%s-RX: H:%02X ACCEPT:%d DATA:%0d\n",
hint,
spi_header_get_flag_byte(spiRxFrameBuffer),
spi_header_get_accept_len(spiRxFrameBuffer),
spi_header_get_data_len(spiRxFrameBuffer)
);
}
}
static int push_pull_spi(void)
@@ -1399,7 +1424,7 @@ int main(int argc, char *argv[])
while (sRet == 0)
{
int timeout_ms = 60 * MSEC_PER_SEC;
int timeout_ms = MSEC_PER_SEC * 60 * 60 * 24; // 24 hours
FD_ZERO(&read_set);
FD_ZERO(&write_set);