LPC43S37 analog pin?

[luca_bonora89]

Hi everybody, I have got an PLC43s37 and I'm looking for a way to configure an analog pin on the board to read a value from a sensor, temperature for example?

[Alice_Yang]

Hello luca bonora,

You can download and refer to the LPCopen , there is periph_adc demo:

LPCOpen Software for LPC43XX | NXP 

Hope it helps,

Have a great day,
TIC

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[luca_bonora89]

Thanks a lot Alice, I'm reading that book very deep... my question is even easier: if I want to use one of the analog pin (A0-A5), how I know which GPIOx[y] pin it refers??

[Alice_Yang]

Hello Luca,

Please refer to User Manual about "Table 1108.10-bit ADC0/1 channels for different packages on parts LPC435x/3x/2x/1x (without 12-bit ADCHS))".

About how to enable the pins to ADC function, please have a look at "17.4.6 ADC0 function select register" of UM.

Have a great day,
TIC

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[luca_bonora89]

Hello Alice and thanks a lot!

Now that I'm able to read analog input (temp sensor) from ADC0 with M0 processor, I would like to send information to M4 processor via Interrupts, DMA or something else, so that it can do something while M0 keep on reading.

Thanks in advice

LB

[Alice_Yang]

Hello luca,

You can refer to the multicore demo under LPCopen, you can know how transfer data from the two cores.

Hope it helps,

Have a great day,
TIC

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