GN4124_CSR = 0x0
DEBUG = 0
# Objects declaration
spec = rr.Gennum() # bind to the SPEC board
gn4124 = gn4124.CGN4124(spec, GN4124_CSR)
print '\nGet physical memory pages address list'
pages = gn4124.get_physical_addr()
if DEBUG != 0:
for i in range(10):
print("Host DMA pages %3d: %.8X") % (i, pages[i])
print '\nInitialise memory pages'
gn4124.set_memory_page(0, 0x0)
gn4124.set_memory_page(1, 0xC0FFEE11)
gn4124.set_memory_page(2, 0xDEADBABE)
gn4124.set_memory_page(3, 0x0)
gn4124.set_memory_page(4, 0x0)
print '\nReading data from memory page 2 (before DMA)'
page2_data_before = gn4124.get_memory_page(2)
print '\nPreparing DMA'
dma_length = 0x100 # DMA length in bytes
gn4124.add_dma_item(0, pages[1], dma_length, 1, 1) # write from page 1 to SPEC memory
gn4124.add_dma_item(0, pages[2], dma_length, 0, 0) # read from SPEC memory to page 2
print '\nPage 0 data - DMA next items'
page0_data = gn4124.get_memory_page(0)
# Objects declaration
spec = rr.Gennum() # bind to the SPEC board
gn4124 = gn4124.CGN4124(spec, GN4124_CSR)
adc_csr = csr.CCSR(spec, CSR)
print '\n### Configuration ###'
# Set local bus frequency
gn4124.set_local_bus_freq(160)
print("GN4124 local bus frequency: %d") % gn4124.get_local_bus_freq()
pages = gn4124.get_physical_addr()
gn4124.set_memory_page(0, 0x0)
gn4124.set_memory_page(1, 0x0)
gn4124.set_memory_page(2, 0x0)
gn4124.set_memory_page(3, 0x0)
gn4124.set_memory_page(4, 0x0)
#print 'Write debugging data (address) to DPRAM'
#adc_csr.wr_reg(CSR_CTRL, 0x2)
# reset acquisition
time.sleep(.1)
adc_csr.wr_reg(CSR_CTRL, 0x0)
print("Command:%.8X") % adc_csr.rd_reg(CSR_CTRL)
time.sleep(.1)
# Acquire data