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Altera_Forum
Honored Contributor I
1,074 Views

Avalon-ST Test Pattern Generator and Checker

Hello, 

 

I designed my custom Avalon-ST peripheral and would like to test in on my FPGA. I found Altera's Avalon-ST Test Pattern Generator and Checker IPs and would like to use them in my tests. I try to generate packets(!), but nothing happens. At the end I connected Generator with Checker direct and looked with SignalTap on my Avalon-ST bus, but nothing was there.  

 

For initialization I use Altera's API commands in this order: 

 

data_source_reset(0x5000880) ; 

data_sink_reset(0x5000860) ; 

usleep(1700000) ; 

data_sink_init(0x5000860) ; 

data_sink_set_enable(0x5000860, 0x1) ; 

usleep(1700000) ; 

data_source_init(0x5000880, 0x5000890) ; 

data_source_set_enable(0x5000880, 0x1) ; 

usleep(1700000) ; 

 

The addresses are defined in system.h: 

 

# define SINK_0_BASE 0x5000860 

# define SOURCE_0_COMMAND_BASE 0x5000890 

# define SOURCE_0_CSR_BASE 0x5000880 

 

What am I doing wrong? How should I start the packet generator? This problem tortures me the whole weekend.  

 

Regards, 

Linas
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1 Reply
Altera_Forum
Honored Contributor I
100 Views

I solved it:  

data_sink_init(SINK_0_BASE); 

data_sink_set_enable(SINK_0_BASE, 1); 

data_source_set_enable(SOURCE_0_CSR_BASE, 1); 

data_source_send_data(SOURCE_0_COMMAND_BASE, 1, 64, 0x03, 0, 0); 

 

With these commands I am able to generate the needed packets.
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