Hello,
I am trying to synchronize the reading of ADC with the interrupts coming from EOC of the same ADC. The model I have s simple. As configured below. I am getting the following error. Any help is appreciated.
MATLAB: C2000 CLA trigger using ADCINT source
c2000 f28035 cla adc epwmti c2000
Related Solutions
The inputs and outputs in the model that I provided have all inputs assigned as "CPUTOClaMsgRam" and "CLA1ToCPUMsgRam" as has been discussed in the examples provided by Mathworks. I am showing the data attributes that I mention in the snapshots below. This is identical to the examples provided by Mathworks, no? The Code within the CLA function block is nearly identical to the example code provided by mathworks also (i.e. all data storage classes have remained). I feel that the code illustrated in the attached .slx meets the requirements stated in your note above Matthew. What specifically is wrong?
Question for Ventkatesh: Why would the CLA access the Global_Ia_Int variable, when, in the block diagram I have provided, this variable exists outside of the CLA function block?
Some general guidelines to save code in Flash Memory can be found here:
In order to store generated code in the internal Flash memory of the C28xx DSPs, you need a Flash Programmer (the TI Flash programmer is installed by default with Code Composer Studio). The following process guides you through the necessary steps in detail:
1. Drag the F2812, F2808, or F28335 Stand alone using Flash Memory Target Preference block into the model. This block can be found in Target Support Package TC2 >> C2000 Target Preferences. If you do not have Target Support Package TC2 installed or you have a different board, use the Custom Board block from Embedded IDE Link CC >> Target Preferences, and manually configure its parameters.
2. Press "Ctrl + E" to open the Configuration Parameters window. Select Real-Time Workshop >> Embedded IDE Link CC, and set the Build action to "Build". Apply the change and close the window.
3. Make sure the board is connected to your PC and turned on. Press "Ctrl + B" to build the mode. When this process is completed successfully, MATLAB command prompt displays:
### Build complete
and Code Composer Studio Output window displays:
Build Complete,
0 Errors, 0 Warnings, 0 Remarks.
4. In Code Composer Studio, launch the Flash Programmer by selecting Tools >> F28xx On-Chip Flash Programmer. Select the radio button named "Erase, Program, Verify", and click on the "Execute Operation" button. Once this operation is completed, you should see the following message in the Code Composer Studio Output window:
Erase/Program/Verify Operation succeeded
**** End Erase/Program/Verify Operation. ***
5. In Code Composer Studio, Select Debug >> Disconnect. Then, unplug the power for the board, and physically disconnect the board from the PC.
6. Now that the code is saved in the C28xx DSP chip nonvolatile memory, you must set an indicator for the chip before you can run this code. This indicator is set by the Bootloader Modes of the particular chip. For example, on F2812 eZdsp, you need to change the jumper setting for JP7 from the factory default settings. On F2808 eZdsp, you need to change the switches 1 and 3 on bank SW1 from the factory default settings. On F28335 eZdsp, you need to change the switch 3 on bank SW1 from the factory default settings. For precise instructions, refer to the specific DSP Boot ROM Reference Guide found on the TI Web page:
and the Spectrum Digital ™ Reference Guides for the eZdsp chips:
Evaluation Modules and DSP Starter Kits > C2000 Family section:
7. To run the code in Flash Memory, turn on the board. The code starts to run as soon as the power is plugged in.
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