Darrin, I received the information faster than I thought. Please see below. • MSP430F6638 - 20 MHz Mixed Signal Microcontroller with 256 KB Flash, 16 KB SRAM • MSP430G2452 - 16 MHz Mixed Signal Microcontroller with 8 KB Flash, 256 B SRAM • A3PN125-VQG100 - ProASIC3 Flash FPGA with 1Kbit Flash, 4.5 KB SRAM
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Forum Post: RE: Does MSPFET have memory (RAM or flash), and if so, how much?
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Forum Post: RE: TM4C1294KCPDT: USB0 OTG device suspend VBUS pin
Hello BP101, I think you need to spend some time to review how USB operation is supposed to occur. Generating a Host Endpoint for a USB Device is not a solution to your problem, and we certainly would never consider adding such a contradictory piece of code into our USB library that 100's of customers are using without hitting the issue seen on your system setup. There is no 'unknown default host endpoint', because the TivaWare USB Device mode handling does not use HOST endpoints. If you are seeing an improvement, then that means you are likely missing another USB Device API call in your configuration which is called by the Host Endpoint Configuration API. So I would suggest you check what is done within USBHostEndpointConfig, and see what impacts VBUS and USB power settings, and then go through your initialization code and ensure you actually are making all the required calls to set the right registers.
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Forum Post: RE: CCS/TMS320F280049C: Trigger ADC with ecap
Thanks for your reply. So, as I have already used all pwm channels and need the adc to be triggered at 8x frequency of the pwm channels, I want to use an ecap channel to do so. I thought I could maybe configure one ecap channel as apwm, connect this signal to a gpio and connect this gpio to the InputXbarRegs.INPUT5SELECT (XINT2). The XINT2 would then trigger the ADC
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Forum Post: RE: CCS/LAUNCHXL-F28379D: I configured DACB Module to produce the output at J7, pin-70. I am not getting any output across pin 70.
Dear Sir, I am using Launch pad. According to your instructions, I changed the program ( #define REFERENCE REFERENCE_VREF ) then i noticed 160mv in the CRO. What is the Reference voltage for DAC? Here I am attaching Images, Please let me know that i did correct or not? May I know Why we changed to REFERENCE_DAC to REFERENCE_VREF? Is that ADC REFERNCEVOLTAGE and VREF voltage are different?
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Forum Post: RE: TMS320F28335: Double pulse generation with given PRI.
Hi Ysn, Each ePWM time base has a common counter that is shared between PWM channels A and B. The modules also have two compares, A and B, that fire when they match the count. If you want to do arbitrary placement in the 20ms period and want to also control the width I think you'll need to use both compare A and B. This means you will get a single pulse per ePWM module. e.g. if you want 20mS period with 150MHz/64 = 2.3MHz ePWM clock, then ePWM period = 46875 in up-count mode. If the rising edge of the pulse is supposed to start at 1.65ms, then compare A = 3867 and action on compare A = ePWMA --> High. If the pulse is supposed to end after another 0.55ms then compare B = 5156 and action on compare B = ePWMA --> Low. If you want to do a single pulse (not repeating), setup the ePWM using an immediate load to the active registers, then setup the shadow registers such that at the end of the period the new values will be loaded resulting in no pin toggles.
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Forum Post: RE: CCS/TMS320F28027: questions about TMS320F28027: Piccolo HVPSFB(PCMC)
I'm looking into the above question. I will give an update by tommorow US CST time. Best, Matthew
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Forum Post: RE: CCS/TMDSCNCD28069MISO: Device Held in Reset. Unable to write to control card.
Varun, I understand better now, I thought you might have a docking station, but if the DRV kit came with the control CARD, then you wouldn't have gotten the generic base board. Let me look at both schematics tonight to see if there is a simple/clean way to do this; else we can just assume the card is bad and go from there. Appreciate you patience here. Best, Matthew
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Forum Post: RE: TMS320F280049C: ADC Prescaler Seems Not to Work and How to adjust the Sampling Rate Using ADC.
Hi Bilal, It should generally be possible to mix the bitfields and driverlib functionality into a single application. I'm maybe not the best source for SW debug help; you may want to create a new e2e with a description of the SW error, but my best advice to try and merge the projects would be: -Start with a working example -Merge in code in the smallest possible chunks, recompiling at each step. This may be one line at a time! It is OK if the code wouldn't work functionally for these intermediate steps. -If you run into a compilation error, resolve that issue before continuing. Usually the issue will be that you need to add an include or common support file. If you can't resolve this, it will be helpful on the e2e to know exactly which added line or small code chunk caused the issue -Functionally test the code as soon as it is testable. i.e. don't try and merge in multiple features before testing the functionality. Do make sure you also test the existing functionality (e.g. if the working code was ADC and now the code is ADC + SPI, test that the ADC still works)
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Forum Post: RE: TMS320F28377D: I have a question about the USB circuit of the F28379D ControlCARD.
Thank you for your quick response. Yes, I would like to use the same 4-pin USB Type-A connector as the attached image. After designing the USB circuit on the TMS320F2837x system, I want to back up the data by connecting the USB mass storage device.
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Forum Post: RE: TMS320F28069: Problem with lab12b using encoder and TI high voltage kit
Any comments/suggestions?
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Forum Post: RE: RTOS: NDK recv() - task scheduling
Hello Tod, Lets pause this for a while, because I had to focus on other project. Thank you for your help.
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Forum Post: RTOS/MSP432P401R: FatFS with EEPROM?
Part Number: MSP432P401R Tool/software: TI-RTOS Dear, I just read http://dev.ti.com/tirex/content/simplelink_cc13x0_sdk_1_40_00_10/docs/simplelink_mcu_sdk/Users_Guide.html#making-choices-for-your-application in the section FatFS, it seems RTOS provides drivers for using this filesystem with SD cards (SDSPI) and USB devices. However, I was wondering if there is any issue in trying to use FatFS with a SPI 1Gbit flash memory. Is the implementation of such driver a realistic effort? I plan to use MSP432. Memory would be not accessed very often. Are there similar examples and/or documentation related to this case you would recommend me? I will look into this thread meanwhile: Please let me know and have a beautiful weekend.
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Forum Post: RE: MSP430F5438A: Long delay after SPI byte was shifted out
The 50us is presumably in your ISR. The RXIFG doesn't trigger until after the byte has shifted out, so that's when the ISR starts. 50us at 1MHz is 50 clocks. Figure 20 clocks to get in/out of the ISR, and adding in the switch and the tests, I would have guessed closer to 30-40us, but 50us doesn't surprise me much. Unsolicited: With a fast SPI, an ISR is a net loss.
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Forum Post: RE: CCS/TMS320F28069: Usability of HRCAPTURE MODULE OF TMS 320F 28069 micrcontroller to measure the variation of ON time of the pulse that varies 0 to 10 microcseconds
Hi Mohana, Sorry about the delay. Ignoring the external function generator for a moment, when you run the example as-is by connecting GPIO0 to GPIO27, do you see the expected results? Also are you using a launchpad?
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Forum Post: CCS/TMS320F28069: About TBPRDHR and TBPHS
Part Number: TMS320F28069 Tool/software: Code Composer Studio How to use TBPRDHR & TBPHS register at the same time?
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Forum Post: RE: CCS/TMS320F28377D: 28377D:sample rate
Thank you for your reply, and I will up load the program, can you help me to check the sample rate is 5254 or not? All I changed is the value of TBPRD and CMPA.And I ensure that my sine wawe is right(3V,2kHz). In addition, You mean that ADC input pins are default analogue inputs and I need not to change it? thanks and best, Tianyi(Please visit the site to view this file)
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Forum Post: RE: TMS320F28379D: can_external_transmit code not working with changed (CANTXA ,CANRXA) pin to (GPIO19 and GPIO18)
Yes Harish. I tried those GPIOs 12,17 and connected scope on CANH CANL lines. Still no change. Thanks, Akshay
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Forum Post: TMS320F28377D: config driver
Part Number: TMS320F28377D Hello everyone: I read the files of NnandFlash through SPI_B of CPU1 of 28377D, then gave the control authority of SPI_B to CPU2, and then read the files of NandFlash through CPU2. The function is normal. Now, due to the need to configure SPI_B permissions to CPU1 and then operate NandFlash, file access fails at this time. Through emulator tracking, it was found that the root directory data read through SPI_B was wrong. Now I don't know which direction to solve the problem. I hope Great God can give me more advice. At the same time, TI is looking forward to informing you whether 28377D dual-core has more detailed reference materials for peripheral resource allocation, and what should be paid attention to when using the equipment. Thank you!
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Forum Post: RE: LAUNCHXL-F28069M: Lab11e Hall Start to FAST with Motorware and DRV8305 boosterpack
Hi Yanming, I also double-checked the gHall_dir and gHall_State_delta, while moving the shaft manually. The code is producing the correct expected values. Can't see anything wrong with it. Regards, --Gunter
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Forum Post: RE: RTOS/TMS320F280049: how the F280049 recognize the two Boot Modes by which Pin?
Hi,Christopher I understand it totally. thanks sincerely for your help.
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