| Line 21... |
Line 21... |
yield RisingEdge(self.dut.clk)
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yield RisingEdge(self.dut.clk)
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@cocotb.coroutine
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@cocotb.coroutine
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def reset(self):
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def reset(self):
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self.dut.rst = 0
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self.dut.rst = 0
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self.dut.write_data_en = 0
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#self.dut.write_data_stb = 0
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self.dut.read_data_en = 0
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self.dut.hard_drive_command = 0x00
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self.dut.soft_reset_en = 0
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self.dut.execute_command_stb = 0
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#self.dut.read_data_stb = 0
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self.dut.command_layer_reset = 0
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self.dut.sector_count = 0
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self.dut.sector_count = 0
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self.dut.sector_address = 0
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self.dut.sector_address = 0
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self.dut.fifo_reset = 0
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self.dut.fifo_reset = 0
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self.dut.hold = 0
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self.dut.hold = 0
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| Line 50... |
Line 52... |
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yield(self.wait_clocks(100))
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yield(self.wait_clocks(100))
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self.dut.platform_ready = 1
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self.dut.platform_ready = 1
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yield(self.wait_clocks(10))
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yield(self.wait_clocks(10))
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self.dut.soft_reset_en = 1
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yield(self.wait_clocks(10))
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self.dut.soft_reset_en = 0
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def ready(self):
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def ready(self):
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if self.dut.sata_ready == 1:
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if self.dut.sata_ready == 1:
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return True
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return True
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return False
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return False
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@cocotb.coroutine
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@cocotb.coroutine
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def wait_for_idle(self):
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def wait_for_idle(self):
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yield(cocotb.triggers.FallingEdge(self.dut.busy))
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print "Wait for idle..."
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if self.dut.sata_busy.value == 1:
|
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yield(cocotb.triggers.FallingEdge(self.dut.sata_busy))
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if self.dut.sata_ready.value == 0:
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yield(cocotb.triggers.RisingEdge(self.dut.sata_ready))
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yield(cocotb.triggers.RisingEdge(self.dut.sata_ready))
|
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print "Idle!"
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|
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@cocotb.coroutine
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@cocotb.coroutine
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def write_to_hard_drive(self, length, address):
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def write_to_hard_drive(self, length, address):
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self.dut.u2h_write_enable = 1
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#self.dut.u2h_write_enable = 1
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self.dut.u2h_write_count = length
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self.dut.u2h_write_count = length
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#self.dut.h2u_read_enable = 1
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#self.dut.h2u_read_enable = 1
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self.dut.sector_address = address
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self.dut.sector_address = address
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#What does this do?
|
#What does this do?
|
self.dut.sector_count = 0
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self.dut.sector_count = (length / 8192) + 1
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self.dut.write_data_en = 1
|
self.dut.hard_drive_command = 0x35
|
|
print "Write!"
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|
|
|
|
|
yield(self.wait_clocks(10))
|
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self.dut.execute_command_stb = 1
|
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#self.dut.write_data_stb = 1
|
yield(self.wait_clocks(1))
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yield(self.wait_clocks(1))
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self.dut.write_data_en = 0
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#self.dut.write_data_stb = 0
|
|
self.dut.execute_command_stb = 0
|
yield(self.wait_for_idle())
|
yield(self.wait_for_idle())
|
yield(self.wait_clocks(100))
|
yield(self.wait_clocks(100))
|
#self.dut.h2u_read_enable = 0
|
#self.dut.h2u_read_enable = 0
|
|
self.dut.hard_drive_command = 0x00
|
|
|
@cocotb.coroutine
|
@cocotb.coroutine
|
def read_from_hard_drive(self, length, address):
|
def read_from_hard_drive(self, length, address):
|
self.dut.read_data_en = 1
|
|
self.dut.sector_address = address
|
self.dut.sector_address = address
|
sector_count = (length / 0x800) + 1
|
sector_count = (length / 0x800) + 1
|
self.dut.sector_count = sector_count
|
self.dut.sector_count = sector_count
|
#Initiate pattern generation within the data generators
|
#Initiate pattern generation within the data generators
|
#Also tell the reader to analyze the incomming data
|
#Also tell the reader to analyze the incomming data
|
self.dut.h2u_read_enable = 1
|
self.dut.h2u_read_enable = 1
|
yield(self.wait_clocks(10))
|
yield(self.wait_clocks(10))
|
|
|
|
print "Read..."
|
|
#self.dut.read_data_stb = 1
|
|
self.dut.hard_drive_command = 0x25
|
|
self.dut.execute_command_stb = 1
|
|
yield(self.wait_clocks(1))
|
|
#self.dut.read_data_stb = 0
|
|
self.dut.execute_command_stb = 0
|
|
yield(self.wait_clocks(100))
|
while (self.dut.h2u_read_total_count.value < length):
|
while (self.dut.h2u_read_total_count.value < length):
|
self.dut.log.info("count: %d" % self.dut.h2u_read_total_count.value)
|
if self.dut.sata_ready.value == 1:
|
|
#self.dut.read_data_stb = 1
|
|
self.dut.execute_command_stb = 1
|
|
yield(self.wait_clocks(1))
|
|
#self.dut.read_data_stb = 0
|
|
self.dut.execute_command_stb = 0
|
|
yield(self.wait_clocks(10))
|
|
|
yield(self.wait_clocks(100))
|
yield(self.wait_clocks(100))
|
|
self.dut.log.info("count: %d" % self.dut.h2u_read_total_count.value)
|
|
|
self.dut.h2u_read_enable = 0
|
self.dut.h2u_read_enable = 0
|
self.dut.read_data_en = 0
|
|
|
|
|
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No newline at end of file
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No newline at end of file
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