Commit b8a2ec9d authored by nikaeinn's avatar nikaeinn

add comments on the bladerf interface

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7516 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent 82c971a0
......@@ -193,7 +193,7 @@ int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cf
num_buffers = 16;
buffer_size = openair0_cfg[card]. samples_per_packet*sizeof(int32_t); // buffer size = 4096 for sample_len of 1024
num_transfers = 8; // ? device->openair0_cfg.samples_per_packets
timeout_ms = 1;
timeout_ms = 1; // or 0/
printf("the buffer_size is set to %d\n", buffer_size);
......@@ -204,22 +204,27 @@ if ((status=bladerf_open(&dev, "")) != 0 ) {
printf("[BRF] device speed is %d\n",bladerf_device_speed(dev) );
// RX
// Example of CLI output: RX Frequency: 2539999999Hz
if ((status=bladerf_set_frequency(dev, BLADERF_MODULE_RX, openair0_cfg[card].rx_freq[0])) != 0){
fprintf(stderr,"Failed to set RX frequency: %s\n",bladerf_strerror(status));
brf_error(status);
}
// RX sample rate: 7680000 0/1
if ((status=bladerf_set_sample_rate(dev, BLADERF_MODULE_RX, openair0_cfg[card].sample_rate, NULL)) != 0){
fprintf(stderr,"Failed to set RX sample rate: %s\n", bladerf_strerror(status));
brf_error(status);
}
// RX Bandwidth: 14000000Hz
if ((status=bladerf_set_bandwidth(dev, BLADERF_MODULE_RX, openair0_cfg[card].rx_bw, NULL)) != 0){
fprintf(stderr,"Failed to set RX bandwidth: %s\n", bladerf_strerror(status));
brf_error(status);
}
// desired gain = 16
if ((status=bladerf_set_gain(dev, BLADERF_MODULE_RX, openair0_cfg[card].rx_gain[0])) != 0) {
fprintf(stderr,"Failed to set RX gain: %s\n",bladerf_strerror(status));
brf_error(status);
}
}
/* Configure the device's RX module for use with the sync interface.
* SC16 Q11 samples *with* metadata are used. */
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment