static int save_gains(struct rx_cal *cal, struct gain_mode *gain) {
int status;
status = bladerf_get_lna_gain(cal->dev, &gain->lna_gain);
if (status != 0) {
return status;
}
status = bladerf_get_rxvga1(cal->dev, &gain->rxvga1);
if (status != 0) {
return status;
}
status = bladerf_get_rxvga2(cal->dev, &gain->rxvga2);
if (status != 0) {
return status;
}
return status;
}
static int init_device(struct repeater *repeater, struct repeater_config *config)
{
int status = 0;
unsigned int actual_value;
status = bladerf_open(&repeater->device, config->device_str);
if (!repeater->device) {
fprintf(stderr, "Failed to open %s: %s\r\n", config->device_str,
bladerf_strerror(status));
return -1;
}
status = bladerf_is_fpga_configured(repeater->device);
if (status < 0) {
fprintf(stderr, "Failed to determine if FPGA is loaded: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else if (status == 0) {
fprintf(stderr, "FPGA is not loaded. Aborting.\r\n");
status = BLADERF_ERR_NODEV;
goto init_device_error;
}
status = bladerf_set_bandwidth(repeater->device, BLADERF_MODULE_TX,
config->bandwidth, &actual_value);
if (status < 0) {
fprintf(stderr, "Failed to set TX bandwidth: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Actual TX bandwidth: %d Hz\r\n", actual_value);
}
status = bladerf_set_bandwidth(repeater->device, BLADERF_MODULE_RX,
config->bandwidth, &actual_value);
if (status < 0) {
fprintf(stderr, "Failed to set RX bandwidth: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Actual RX bandwidth: %d Hz\r\n", actual_value);
}
status = bladerf_set_sample_rate(repeater->device, BLADERF_MODULE_TX,
config->sample_rate, &actual_value);
if (status < 0) {
fprintf(stderr, "Failed to set TX sample rate: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Actual TX sample rate is %d Hz\r\n", actual_value);
}
status = bladerf_set_sample_rate(repeater->device, BLADERF_MODULE_RX,
config->sample_rate, &actual_value);
if (status < 0) {
fprintf(stderr, "Failed to set RX sample rate: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Actual RX sample rate is %d Hz\r\n", actual_value);
}
status = bladerf_set_frequency(repeater->device,
BLADERF_MODULE_TX, config->tx_freq);
if (status < 0) {
fprintf(stderr, "Failed to set TX frequency: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Set TX frequency to %d Hz\r\n", config->tx_freq);
}
status = bladerf_set_frequency(repeater->device,
BLADERF_MODULE_RX, config->rx_freq);
if (status < 0) {
fprintf(stderr, "Failed to set RX frequency: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Set RX frequency to %d Hz\r\n", config->rx_freq);
}
status = bladerf_enable_module(repeater->device, BLADERF_MODULE_RX, true);
if (status < 0) {
fprintf(stderr, "Failed to enable RX module: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Enabled RX module\r\n");
}
status = bladerf_enable_module(repeater->device, BLADERF_MODULE_TX, true);
if (status < 0) {
bladerf_enable_module(repeater->device, BLADERF_MODULE_RX, false);
fprintf(stderr, "Failed to enable TX module: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("Enabled TX module\r\n");
}
status = bladerf_get_txvga1(repeater->device, &repeater->gain_txvga1);
if (status < 0) {
fprintf(stderr, "Failed to get TXVGA1 gain: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("TXVGA1 gain is: %d\r\n", repeater->gain_txvga1);
}
status = bladerf_get_txvga2(repeater->device, &repeater->gain_txvga2);
if (status < 0) {
fprintf(stderr, "Failed to get TXVGA2 gain: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("TXVGA2 gain is: %d\r\n", repeater->gain_txvga2);
}
status = bladerf_get_rxvga1(repeater->device, &repeater->gain_rxvga1);
if (status < 0) {
fprintf(stderr, "Failed to get RXVGA1 gain: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("RXVGA1 gain is: %d\r\n", repeater->gain_rxvga1);
}
status = bladerf_get_rxvga2(repeater->device, &repeater->gain_rxvga2);
if (status < 0) {
fprintf(stderr, "Failed to get RXVGA2 gain: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("RXVGA2 gain is: %d\r\n", repeater->gain_rxvga2);
}
status = bladerf_get_lna_gain(repeater->device, &repeater->gain_lna);
if (status < 0) {
fprintf(stderr, "Failed to get LNA gain: %s\r\n",
bladerf_strerror(status));
goto init_device_error;
} else {
printf("LNA gain is: %d\r\n", repeater->gain_lna);
}
return status;
init_device_error:
bladerf_close(repeater->device);
repeater->device = NULL;
return status;
}
