ERROR : get_fpga_version() failed: operation timed out.

[Naooss]

Hello,

I added files in baldeRF-nios sources to change the gain, frequency,samplerate... on rx automatically when a reception occures. But when i am trying to load bitstream on the fpga i get the error : get_fpga_version() failed : operation timed out.

I don't know how to fix this, any help would be nice.

[rghilduta]

What sort of modifications were made to bladeRF-nios? Is vanilla bladeRF-cli and FPGA image able to load?

[Naooss]

Hello, thanks for your answer

i added those lines to the existing code in bladerf_nios.c :

// Frequency

#define LOC_FREQUENCY 108100000 // 108,1 MHz #define GLIDE_FREQUENCY 329600000 // 329,6 MHz

#define REF_FREQUENCY 108100000 // 108,1 MHz #define VAR_FREQUENCY 329600000 // 329,6 MHz

// Bandwidth

#define LOC_BANDWIDTH 50000 // 50 KHz #define GLIDE_BANDWIDTH 50000 // 50 KHz

#define REF_BANDWIDTH 50000 // 50 KHz #define VAR_BANDWIDTH 50000 // 50 KHz

// Gain

#define LOC_GAIN 25 #define GLIDE_GAIN 25

#define REF_GAIN 25 #define VAR_GAIN 25

// Samplerate

#define LOC_SAMPLERATE 1000000 // 1 MHz #define GLIDE_SAMPLERATE 1000000 // 1 MHz

#define REF_SAMPLERATE 1000000 // 1 MHz #define VAR_SAMPLERATE 1000000 // 1 MHz

/* Initialize RFIC */ rfic_command_write_immed(BLADERF_RFIC_COMMAND_INIT, BLADERF_CHANNEL_RX(0), BLADERF_RFIC_INIT_STATE_ON); rfic_command_write_immed(BLADERF_RFIC_COMMAND_INIT, BLADERF_CHANNEL_RX(1), BLADERF_RFIC_INIT_STATE_ON);

/* Set up filters */

rfic_command_write_immed(BLADERF_RFIC_COMMAND_FILTER,BLADERF_CHANNEL_RX(0),BLADERF_RFIC_RXFIR_DEC1);
rfic_command_write_immed(BLADERF_RFIC_COMMAND_FILTER,BLADERF_CHANNEL_RX(1),BLADERF_RFIC_RXFIR_DEC1);

// /* Start RX */ rfic_command_write_immed(BLADERF_RFIC_COMMAND_ENABLE, BLADERF_CHANNEL_RX(0), true); rfic_command_write_immed(BLADERF_RFIC_COMMAND_ENABLE, BLADERF_CHANNEL_RX(1), true);

/* Set Frequency */
rfic_command_write_immed(BLADERF_RFIC_COMMAND_FREQUENCY, BLADERF_CHANNEL_RX(0), LOC_FREQUENCY);
rfic_command_write_immed(BLADERF_RFIC_COMMAND_FREQUENCY, BLADERF_CHANNEL_RX(1), LOC_FREQUENCY);


// /* Set Bandwidth */
rfic_command_write_immed(BLADERF_RFIC_COMMAND_BANDWIDTH, BLADERF_CHANNEL_RX(0), LOC_BANDWIDTH);
rfic_command_write_immed(BLADERF_RFIC_COMMAND_BANDWIDTH, BLADERF_CHANNEL_RX(1), GLIDE_BANDWIDTH);

// /* Set Gain */
rfic_command_write_immed(BLADERF_RFIC_COMMAND_GAINMODE, BLADERF_CHANNEL_RX(0), BLADERF_GAIN_MGC);
rfic_command_write_immed(BLADERF_RFIC_COMMAND_GAINMODE, BLADERF_CHANNEL_RX(1), BLADERF_GAIN_MGC);

rfic_command_write_immed(BLADERF_RFIC_COMMAND_GAIN, BLADERF_CHANNEL_RX(0), LOC_GAIN);
rfic_command_write_immed(BLADERF_RFIC_COMMAND_GAIN,BLADERF_CHANNEL_RX(1), GLIDE_GAIN);

// /* Set Sample Rate */
rfic_command_write_immed(BLADERF_RFIC_COMMAND_SAMPLERATE, BLADERF_CHANNEL_RX(0), LOC_SAMPLERATE);
rfic_command_write_immed(BLADERF_RFIC_COMMAND_SAMPLERATE, BLADERF_CHANNEL_RX(1), GLIDE_SAMPLERATE);

I am now able to load the bitstream but when i do a reception it does not change frequency, gain ect .... it is still default values.

And yes vanilla bladeRF-cli and FPGA image is able to load.