Any bugs you encounter with Flowcode should be discussed here.
stefan.erni
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by stefan.erni Wed Jul 23, 2025 9:52 am
Hi to All
If I use the MCP356x1 init macro I get an error.
C:/Users/Desktop/esp-idf-2/mtxesp32s_sdkconfig/main/esp-project.c: In function 'FCD_07892_ADC_MCP356X1__Initialise':
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Post_MCP1.fcfx (9.52 KiB) Downloaded 45 times
BenR
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by BenR Wed Jul 23, 2025 3:08 pm
Hi Stefan,
stefan.erni
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Posts: 1065 Joined: Wed Dec 02, 2020 10:53 amHas thanked: 201 times Been thanked: 224 times
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by stefan.erni Mon Aug 04, 2025 11:16 am
Hi Ben
I can compile, but when I send measured values to uart, I get an invalid device handle from SPI instead of measured values.
from my terminal program:
2025-08-04_12-09-27.PNG (32.5 KiB) Viewed 584 times
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Post_MCP2.fcfx (12.54 KiB) Downloaded 32 times
stefan.erni
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Posts: 1065 Joined: Wed Dec 02, 2020 10:53 amHas thanked: 201 times Been thanked: 224 times
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by stefan.erni Tue Aug 05, 2025 9:06 am
Hi Ben
It's working now.
First I tested in software mode SPI and it was ok.
Then I reduced the prescale from 40Mhz to 20Mhz like in the pdf from the MCP35x1 and now the value are ok and no messages
reduced:
SNAG-0020.PNG (63.01 KiB) Viewed 564 times
result:
2025-08-05_09-58-09.PNG (89.09 KiB) Viewed 564 times
