Puya PY32F07x support#3694
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Jun 11, 2026
| }; | ||
| uint16_t length; /* the number of bytes in the buffer */ | ||
| uint16_t remaining; /* the number of bytes remaining in the buffer */ | ||
| uint16_t mps; /* maximum packet size */ |
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adds 2 more bytes to the struct, is this ok? py32's maxp field is in increments of multiples of 8 for packet size, instead of per byte for others
| | +---------+-------------------+--------+------+-----------+------------------------+--------------------+ | ||
| | | RW61x | ✅ | ✅ | ✅ | ci_hs, ehci | | | ||
| +--------------+-----------------------------+--------+------+-----------+------------------------+--------------------+ | ||
| | Puya | PY32F071, PY32F072 | ✅ | ❌ | ❌ | musb | 1-dir ep | |
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A bit more specific than "1-dir ep"? Two dirs are possible with some scheduling, but probably very complex
| #if defined(TUP_USBIP_MUSB_PY32) | ||
| void dcd_connect(uint8_t rhport) | ||
| { | ||
| (void) rhport; |
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A connect/disconnect requires enabling or disabling the entire block through the APB, doesn't look like it can disconnect the resistor by itself.
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| target | .text | .rodata | .data | .bss | total | % diff |
|---|---|---|---|---|---|---|
| ek_tm4c123gxl/audio_test | 12,164 → 12,180 (+16) | — | — | — | 12,216 → 12,232 (+16) | +0.1% |
| ek_tm4c123gxl/audio_test_multi_rate | 12,376 → 12,392 (+16) | — | — | — | 12,428 → 12,444 (+16) | +0.1% |
| msp_exp432e401y/dfu_runtime | 8,960 → 8,948 (-12) | — | — | — | 9,528 → 9,516 (-12) | -0.1% |
| ek_tm4c123gxl/video_capture | 13,352 → 13,368 (+16) | — | — | — | 13,412 → 13,428 (+16) | +0.1% |
| ek_tm4c123gxl/uac2_headset | 13,692 → 13,708 (+16) | — | — | — | 13,728 → 13,744 (+16) | +0.1% |
| msp_exp432e401y/hid_generic_inout | 10,012 → 10,000 (-12) | — | — | — | 10,580 → 10,568 (-12) | -0.1% |
| ek_tm4c123gxl/uac2_speaker_fb | 14,456 → 14,472 (+16) | — | — | — | 14,492 → 14,508 (+16) | +0.1% |
| msp_exp432e401y/hid_multiple_interface | 10,796 → 10,784 (-12) | — | — | — | 11,364 → 11,352 (-12) | -0.1% |
| msp_exp432e401y/hid_boot_interface | 10,808 → 10,796 (-12) | — | — | — | 11,376 → 11,364 (-12) | -0.1% |
| ek_tm4c123gxl/cdc_uac2 | 15,292 → 15,308 (+16) | — | — | — | 15,328 → 15,344 (+16) | +0.1% |
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Hardware-in-the-loop (HIL) Test Reporthfp.json✅ 52 passed · ❌ 0 failed · ⚪ 0 skipped · blank not run
tinyusb.json✅ 338 passed · ❌ 1 failed · ⚪ 11 skipped · blank not run
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This adds support for another musb variant, py32f07x. The USB block looks like musb with a modified register layout and a lot of functions stripped out.
I'm evaluating this MCU due to it having USB support (also have DFU and is low cost). I also have HC32F460 and HC32F4A0 if anyone is interested to see a port of those.
Dev board is a generic board, no special name
