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srsLTE
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Added variable buffer sizes for blade

This commit is contained in:
ismagom 2015-12-17 22:57:13 +01:00
parent 4eaecf7bb7
commit b7520aa792
1 changed files with 16 additions and 18 deletions
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34
srslte/lib/rf/src/rf_blade_imp.c
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@ -43,7 +43,7 @@ typedef struct {
uint32_t tx_rate;
int16_t rx_buffer[CONVERT_BUFFER_SIZE];
int16_t tx_buffer[CONVERT_BUFFER_SIZE];
bool stream_enabled;
bool rx_stream_enabled;
bool tx_stream_enabled;
} rf_blade_handler_t;
@ -62,16 +62,18 @@ bool rf_blade_rx_wait_lo_locked(void *h)
return true;
}
const unsigned int num_buffers = 256;
const unsigned int ms_buffer_size_rx = 1024;
const unsigned int buffer_size_tx = 1024;
const unsigned int num_transfers = 32;
const unsigned int timeout_ms = 4000;
int rf_blade_start_tx_stream(void *h)
{
int status;
rf_blade_handler_t *handler = (rf_blade_handler_t*) h;
const unsigned int num_buffers = 64;
const unsigned int buffer_size_tx = 1024;
const unsigned int num_transfers = 32;
const unsigned int timeout_ms = 4000;
status = bladerf_sync_config(handler->dev,
BLADERF_MODULE_TX,
BLADERF_FORMAT_SC16_Q11_META,
@ -88,7 +90,7 @@ int rf_blade_start_tx_stream(void *h)
fprintf(stderr, "Failed to enable TX module: %s\n", bladerf_strerror(status));
return status;
}
handler->stream_enabled = true;
handler->tx_stream_enabled = true;
return 0;
}
@ -96,15 +98,11 @@ int rf_blade_start_rx_stream(void *h)
{
int status;
rf_blade_handler_t *handler = (rf_blade_handler_t*) h;
const unsigned int num_buffers = 128;
const unsigned int buffer_size_rx = 4*1024;
const unsigned int buffer_size_tx = 1024;
const unsigned int num_transfers = 32;
const unsigned int timeout_ms = 4000;
/* Configure the device's RX module for use with the sync interface.
* SC16 Q11 samples *with* metadata are used. */
uint32_t buffer_size_rx = ms_buffer_size_rx*(handler->rx_rate/1000/1024);
printf("Setting buffer size %d for rate %d\n", buffer_size_rx, handler->rx_rate);
status = bladerf_sync_config(handler->dev,
BLADERF_MODULE_RX,
BLADERF_FORMAT_SC16_Q11_META,
@ -137,7 +135,7 @@ int rf_blade_start_rx_stream(void *h)
fprintf(stderr, "Failed to enable TX module: %s\n", bladerf_strerror(status));
return status;
}
handler->tx_stream_enabled = true;
handler->rx_stream_enabled = true;
return 0;
}
@ -154,7 +152,8 @@ int rf_blade_stop_rx_stream(void *h)
fprintf(stderr, "Failed to enable TX module: %s\n", bladerf_strerror(status));
return status;
}
handler->stream_enabled = false;
handler->rx_stream_enabled = false;
handler->tx_stream_enabled = false;
return 0;
}
@ -208,7 +207,7 @@ int rf_blade_open(char *args, void **h)
fprintf(stderr, "Failed to set TX VGA1 gain: %s\n", bladerf_strerror(status));
return status;
}
handler->stream_enabled = false;
handler->rx_stream_enabled = false;
handler->tx_stream_enabled = false;
return 0;
}
@ -457,7 +456,6 @@ int rf_blade_send_timed(void *h,
status = bladerf_sync_tx(handler->dev, handler->tx_buffer, nsamples, &meta, 0);
if (status != 0) {
fprintf(stderr, "TX failed: %s\n", bladerf_strerror(status));
exit(-1);
return status;
}
return nsamples;