MSP432P4111: Using all 24 ADC channels on the MSP432P4111 for fast simultaneous sampling and transmittal via UART

James Cooney1

Part Number: MSP432P4111

I have a design that requires 24 analog channels sampled as fast as possible. I'm referring to the SimpleLink MSP432P4 SDK 3.40.01.02 adcbufmultichannel example. I'm struggling to adapt the example to suit my needs. I'd like to use FreeRtos and the adcbuf ti driver however it's proving very challenging and looking like I might have to go NoRTOS - though I'm not sure. Is there an existing solution or SimpleLink Academy lesson which will help me with this task?

Thanks

over 4 years ago

0 Srinivas Lingam over 4 years ago

TI__Expert 7365 points

Hi James,

The Simplelink academy related to MSP432 SDK can be found at https://training.ti.com/simplelink-academy-msp432-sdk and https://dev.ti.com/tirex/explore/node?node=AATEgxxe8h0gSEOhItDZiQ__z-lQYNj__LATEST. But the closest example for multichannel ADC provided by TI is the adcbufmultichannel example in the SDK.

Srinivas

0 James Cooney1 over 4 years ago in reply to Srinivas Lingam

Prodigy 20 points

Hi Srinivas,

Thanks for the reply. Those resources were very helpful getting me going. I eventually came across some other forum posts addressing my issue and it seems I'm required to use the DMA to scatter/gather, and that the adcbuf driver doesn't yet have this implementation. I'll have to use the driverlib functions. Thanks!

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MSP432P4111: Using all 24 ADC channels on the MSP432P4111 for fast simultaneous sampling and transmittal via UART