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derrick_chi
Voice
Joined: 21 Mar 2009
Posts: 3
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 Posted: Tue Apr 28, 2009 12:31 am Post subject: HELP!!! Modelsim TCL Error **Error invalid command name &quo |
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Has anyone everseen this error **Error invalid command name "" before? I wrote a tcl script to test some hardware that I designed and when I run the script I get that error. I've pasted the error and the script in below, any help would be apprieciated, thanks.
# ** Error: empty command name ""
# Error in macro C:\Engineering_Projects\I2C\TCL Testbenches\i2c_testbench.tcl line 270
# empty command name ""
# while executing
# "[write_i2c $random_device $register_ptr $cntrl_reg $byte_count] "
# ("while" body line 57)
# invoked from within
# "while {$tranaction_count < 100 } {
#
# global wrdata_array
#
# if { [examine -bin I2C_LOCK] == "1" } {
#
# set random_device [myRand 0 3]
# set dev..."
| Code: |
do i2c_wave.do
restart
set UserTimeUnit ns
force -freeze Master_CLK 1 0, 0 {10 ns} -r 20
force -deposit rst 1
force -deposit CLK_SPEED_SEL 0
force -deposit I2C_CLK_GEN_W 0
force -deposit DATA_TO_MASTER 00
force -deposit CONTROL_INPUT 0000
force -deposit i2c_cntrl_reg_w 0
force -deposit SDA 1
force -deposit I2C_READ 0
force -deposit I2C_WRITE 0
run 40 ns
force -deposit rst 0
run 40 ns
force -deposit CLK_SPEED_SEL 35
force -deposit I2C_CLK_GEN_W 1
run 20 ns
force -deposit CLK_SPEED_SEL 0
force -deposit I2C_CLK_GEN_W 0
run 20 ns
set slave_addressr A5
set slave_addressw A4
set eeprom_slave_addressr AB
set eeprom_slave_addressw AA
set verilog_slave_addressr 21
set verilog_slave_addressw 20
set german_slave_addressr C3
set german_slave_addressw C2
set i2cs_rx_slave_addressr 23
set i2cs_rx_slave_addressw 22
set read_adr_arry(0) $slave_addressr
set read_adr_arry(1) $eeprom_slave_addressr
set read_adr_arry(2) $german_slave_addressr
set read_adr_arry(3) $i2cs_rx_slave_addressr
set read_adr_arry(4) $verilog_slave_addressr
set write_adr_arry(0) $slave_addressw
set write_adr_arry(1) $eeprom_slave_addressw
set write_adr_arry(2) $german_slave_addressw
set write_adr_arry(3) $i2cs_rx_slave_addressw
set write_adr_arry(4) $verilog_slave_addressw
global wrdata_array
set wrdata_array(0) 0
set instruction_array(0) 0
set instruction_array(1) 1
proc myRand { min max } {
set maxFactor [expr [expr $max + 1] - $min]
set value [expr int([expr rand() * 100])]
set value [expr [expr $value % $maxFactor] + $min]
return $value
}
proc myRand_hex { dec_min dec_max } {
set hex_maxFactor [expr [expr $dec_max + 1] - $dec_min]
set dec_value [expr int([expr rand() * 100])]
set dec_value [expr [expr $dec_value % $hex_maxFactor] + $dec_min]
set hex_value [format %02X $dec_value]
return $hex_value
}
proc write_i2c { device registerptr cntrl_reg byte_count } {
global wrdata_array
while { [examine -dec I2C_BUSY] == 1 } { run 20 ns }
force -deposit CONTROL_INPUT $cntrl_reg
force -deposit i2c_cntrl_reg_w 1
run 20 ns
force -deposit i2c_cntrl_reg_w 0
run 20 ns
set write_count 0
set write_op "write to"
set loop_count [expr $byte_count - 1]
set loop_termination [expr $loop_count / 4]
switch -exact -- $device {
0 { echo "The current transaction is a $byte_count byte write to the PCA955 slave starting at register $registerptr" }
1 { echo "The current transaction is a $byte_count byte write to the EEPROM slave starting at register $registerptr" }
2 { echo "The current transaction is a $byte_count byte write to the German slave starting at register $registerptr" }
3 { echo "The current transaction is a $byte_count byte write to the I2CS_RX slave starting at register $registerptr" }
4 { echo "The current transaction is a $byte_count byte write to the VERILOG slave starting at register $registerptr" }
default { error "This $byte_count is not a known device address" }
}
while { $write_count < $loop_termination } {
if { [examine -dec I2C_BUSY] == 0 } {
force -deposit CONTROL_INPUT $wrdata_array($write_count)
force -deposit I2C_WRITE 1
run 20 ns
force -deposit I2C_WRITE 0
run 20 ns
incr write_count
} else {
force -deposit I2C_WRITE 0
run 20 ns
}
}
force -deposit I2C_WRITE 0
run 20 ns
}
proc read_i2c { device registerptr cntrl_reg byte_count } {
global wrdata_array
while { [examine -dec I2C_BUSY] == 1 } {run 20 ns }
force -deposit CONTROL_INPUT $cntrl_reg
force -deposit i2c_cntrl_reg_w 1
run 20 ns
force -deposit i2c_cntrl_reg_w 0
set read_count 0
set read_op "read from"
switch -exact -- $device {
0 { echo "The current transaction is a $byte_count byte read from the PCA955 slave starting at register $registerptr" }
1 { echo "The current transaction is a $byte_count byte read from the EEPROM slave starting at register $registerptr" }
2 { echo "The current transaction is a $byte_count byte read from the German slave starting at register $registerptr" }
3 { echo "The current transaction is a $byte_count byte read from the I2CS_RX slave starting at register $registerptr" }
4 { echo "The current transaction is a $byte_count byte read from the VERILOG slave starting at register $registerptr" }
default { error "This $byte_count is not a known device address" }
}
while { $read_count <= [expr $byte_count / 4] } {
if { [examine -dec I2C_DATA_RDY] == 1 } {
force -deposit I2C_READ 1
run 20 ns
force -deposit I2C_READ 0
run 20 ns
if { [examine -hex DATA_FROM_SLAVE] != $wrdata_array($read_count) } {
error "The data doesn't match, the data that was written was $wrdata_array($read_count) you got back [examine -hex DATA_FROM_SLAVE]"
} else {
echo "Read transaction successful"
}
incr read_count
} else {
force -deposit I2C_READ 0
run 20 ns
}
}
force -deposit I2C_READ 0
run 20 ns
}
set tranaction_count 0
set write_count 0
set regcount 0
set pcslave_adr_count 0
set eepromslave_adr_count 0
set verilogslave_adr_count 0
set germanslave_adr_count 0
set i2cs_rx_adr_count 0
set hexcount [format %02X $regcount]
while {$tranaction_count < 100 } {
global wrdata_array
if { [examine -bin I2C_LOCK] == "1" } {
set random_device [myRand 0 3]
set device_address $write_adr_arry($random_device)
switch -exact -- $random_device {
0 { set byte_count [myRand 3 4] }
1 { set byte_count [myRand 3 2047] }
2 { set byte_count [myRand 3 4] }
3 { set byte_count [myRand 3 10] }
4 { set byte_count [myRand 3 4] }
default { error }
}
set timeout_value [format %1X 15]
set cntrl_reg $device_address
append cntrl_reg $timeout_value
append cntrl_reg [format %1X $byte_count]
set array_byte_count [expr $byte_count - 1]
set array_sub_count 0
set array_index 0
switch -exact -- $random_device {
0 { set register_ptr [myRand_hex 2 3] }
1 { set register_ptr [myRand_hex 2 2047] }
2 { set register_ptr [myRand_hex 2 3] }
3 { set register_ptr 00 }
4 { set register_ptr [myRand_hex 2 15] }
default { error }
}
set wrdata_array($array_index) $register_ptr
while { $array_byte_count != 0 } {
if { $array_sub_count == 3 } {
incr array_index
} else {
append wrdata_array($array_index) [myRand_hex 1 255]
set array_byte_count [expr $array_byte_count - 1]
incr array_sub_count
}
}
[write_i2c $random_device $register_ptr $cntrl_reg $byte_count]
[read_i2c $random_device $register_ptr $cntrl_reg $byte_count]
incr tranaction_count
run 20 ns
}
run 200 ns
} |
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nml375
Revered One
Joined: 04 Aug 2006
Posts: 2857
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| Posted: Tue Apr 28, 2009 11:26 am Post subject: |
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Probably caused by these lines:
| Code: | [write_i2c $random_device $register_ptr $cntrl_reg $byte_count]
[read_i2c $random_device $register_ptr $cntrl_reg $byte_count] |
Did you really intend to use the output from write_i2c or read_i2c as a new command?
_________________
NML_375, idling at #eggdrop@IrcNET |
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