Saschaaa

Hi, thanks for your reply ;) - I checked the IC - and i use the 74HC595 - Then i used the scope to check the waveforms... this is what i got: http://www.directupload.net/file/d/3832/5f7h4fwa_jpg.htm The upper waveform represents the sclk, the lower the oe and here the upper one represents the sclk, the lower the rclk http://www.directupload.net/file/d/3832/ienvetpr_jpg.htm - Then i used a potentiometer to check the resistance between the lcd-display and the 74hc595/stm32f4 The result: ca 0.20Ohm on the datapins, which should be allright ? Any other advices ? edit: just downloaded the bootloader update package and installed it. after that, i uploaded the .hex of the lcd-tutorial again, the black bars disappeared, but the time, which should be printed, is not visible yet... best regards, sascha

Hi, i used the oscilloscope to see the waves which are supposed to come out of the sclk-pin, but i do not see anything or hardly anything Neither when i test it while the stm32f4 is connected to the core module (just a small triangle wave) nor while using it standalone (connected to ground and pd6).. when the stm32f4 is not connected to the board i get sometimes a square wave when i touch the pd6 pin with the oscilloscope..but when i plug it, i don't get any wave any advices ?

Hi, i tried out the commands but the lcd is still not working.. I made some pics, i hope you can do something with it.. I tried not to solder the ribbon-cable directly on the lcd and used instead a header to place it. http://www.directupload.net/file/d/3830/98tpj4p7_jpg.htm http://www.directupload.net/file/d/3830/enyxgmhb_jpg.htm The purple wire is docked on the 5V(B+) of the J15A and connected to the 15th Pin (BLA ) of the LCD-Module, the wire next to the purple is docked on the B- Pin of the J15A and to the 16st Pin (BLK) of the LCD-Module and so on, right ?

ok thanks, i will try it out tomorrow ;) best regards, sascha

Hi, thanks for your reply :) do you mean something like this ? lcd_type CLCD lcd_num_x 1 lcd_num_y 1 lcd_width 16 lcd_height 2 store And if yes, where do i have to write it down ? In the mios studio terminal after uploading the mios32_bootloader update application ?

Hey, i soldered the PCB for the STM32F4 Core Module and tried now to get the LCD Module working... I bought the Displaytech LCD 162a, and wired it like in the LCD-Module Tutorial. After that, i loaded the LCD-Tutorial Code on the Core, where it should print out the systemtime while the LED is modulated by a PWM..the led modulation works, but all i see on the lcd are 16 black bars... I have seen, that some other users had the same problem, but not with a 2x16 character display... I double-checked the soldered pins, and they look fine Anyone got some advices ? thanks

Thanks, its working now ;) Best Regards, Sascha

Hey, after updating the latest svn Version, i got another error message while trying to get the tutorial working... it says: "Creating object file for app.c make: arm-none-eabi-gcc: No such file or directory make: *** [project_build/app.o] Error 1"

Hey, i tried to follow the steps for the toolchain installation: http://www.midibox.org/dokuwiki/doku.php?id=macos_mios32_toolchain_core I got some problems while getting the files from the repository server. With the command "mkdir svn" i made a new folder called "svn" but after typing "svn co svn://svnmios.midibox.org/mios32" the terminal starts to work but after it's finished, i cant see any folder inside the "svn" folder. And after checking out, whether it would work with the command "cd $MIOS32_PATH/apps/tutorials/001_forwarding_midi" i get the error message: "No such file or directory" Do you know what im doing wrong ? I work with Yoesmite best regards, sascha

Hey everybody, I've never build any midibox device, but i would like to learn it. I had the idea of creating a stepsequencer to control my dsi evolver synthesizer (http://www.davesmithinstruments.com/product/evolver/) . This synthesizer has 4 Oscillators and i would like to programm each step individually, so that the first Oscillator plays a certain variation of tones(e.g. Note 1, 3, 7, 12, 13), the second Oscillator another variation(e.g. Note 2,4,5,11) and so on. Furthermore it would be nice to individually controll the frequency. Do you think this is possible ? How should i start ? Thanks so far, sascha