lgeorge123
Full Member level 2
I want to build a pc usb based oscillscope with pic18f2550 act as HID device.
adc part using ads831 and CDCE913 - Programmable 1-PLL VCXO Clock Synthesizer with 3.3-V LVCMOS Outputs act as variable clock input to ads831, for different time base usage . But as sampling process goes on pic18f2550 is sending signal data continously to pc , if I change the time base to another value in pc (a visual c++ enivronment) , how can I download a certain value from pc to inform 18f2550 so as to change the clock input to ads831? As HID data bus is occupied by 18f2550 , it is sending data to pc ! Any comments are welcome !!
adc part using ads831 and CDCE913 - Programmable 1-PLL VCXO Clock Synthesizer with 3.3-V LVCMOS Outputs act as variable clock input to ads831, for different time base usage . But as sampling process goes on pic18f2550 is sending signal data continously to pc , if I change the time base to another value in pc (a visual c++ enivronment) , how can I download a certain value from pc to inform 18f2550 so as to change the clock input to ads831? As HID data bus is occupied by 18f2550 , it is sending data to pc ! Any comments are welcome !!