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Altera_Forum's avatar
Altera_Forum
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15 years ago

VHDL timer

hi, how can I write a program for a timer which Measures a pulse width that represents of range.i'm using un ultrasonic sensor, The distance can be calculated using the scale factor of 147u...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Hi

I want to design traffic light controller using AHDL so I writ the code for traffic controller and for the timers and all is successful individual but when I design the circuit for all and connected to gather I have three error but I do not know how to fix it so please can some one help me and tell me what must I do. Thank you

this is the error

[1] Error: Port "100_cnt" does not exist in macrofunction "inst20".

[2] Error: Quartus II Analysis & Synthesis was unsuccessful. 1 error, 11 warnings.

[3] Error: Quartus II Full Compilation was unsuccessful. 3 errors, 11 warnings.

What dose mean about macrofunction.