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Copilot AI commented Dec 28, 2025

Describe the PR

  • Added comprehensive build instructions for RP2040 and ESP32 platforms with required SDK installation and environment setup steps before cmake.

  • Update comment on CDC EP size

fix #3287

Copilot AI and others added 2 commits December 28, 2025 14:18
…ed.rst

- Added dedicated "Building for RP2040" section with pico-sdk installation steps
- Added dedicated "Building for ESP32" section with esp-idf installation steps
- Included platform-specific instructions for Linux/macOS and Windows
- Added PICO_SDK_PATH export steps before cmake for rp2040
- Added esp-idf source/export steps before cmake for esp32
- Updated note section to reference new detailed sections
- Documentation builds successfully without errors

Co-authored-by: HiFiPhile <[email protected]>
- Changed Windows Command Prompt blocks from bash to bat for proper highlighting
- Changed PowerShell blocks from bash to powershell for proper highlighting
- Improves documentation readability and accuracy

Co-authored-by: HiFiPhile <[email protected]>
Copilot AI changed the title [WIP] Improve build steps for rp2040 and esp32 Add detailed SDK setup instructions for RP2040 and ESP32 builds Dec 28, 2025
Copilot AI requested a review from HiFiPhile December 28, 2025 14:21
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@copilot fix precommit check error

- Removed trailing whitespace from line 37 as detected by pre-commit check
- Documentation builds successfully

Co-authored-by: HiFiPhile <[email protected]>
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Copilot AI commented Dec 28, 2025

@copilot fix precommit check error

Fixed in db08f5f - removed trailing whitespace from line 37 in getting_started.rst

@HiFiPhile HiFiPhile marked this pull request as ready for review December 28, 2025 14:27
Copilot AI review requested due to automatic review settings December 28, 2025 14:27
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Pull request overview

This PR adds comprehensive SDK setup instructions for building TinyUSB on RP2040 and ESP32 platforms, addressing a gap in the existing documentation that previously only mentioned SDK requirements without detailed installation steps.

Key changes:

  • Added detailed "Building for RP2040" section with Pico SDK installation, environment setup, and build example
  • Added detailed "Building for ESP32" section with ESP-IDF installation, environment sourcing, and build example
  • Updated initial note to include cross-references to the new detailed sections

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@HiFiPhile HiFiPhile changed the title Add detailed SDK setup instructions for RP2040 and ESP32 builds doc update Jan 19, 2026
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Size Difference Report

Because TinyUSB code size varies by port and configuration, the metrics below represent the averaged totals across all example builds.

Note: If there is no change, only one value is shown.

Changes >1% in size

No entries.

Changes <1% in size

No entries.

No changes
file .text .rodata .data .bss size % diff
audio_device.c 2849 0 1248 1673 4518 +0.0%
cdc_device.c 1328 16 19 661 1988 +0.0%
cdc_host.c 6596 487 15 1539 8357 +0.0%
dcd_ch32_usbfs.c 1472 0 0 2444 3916 +0.0%
dcd_ch32_usbhs.c 1648 0 0 448 2096 +0.0%
dcd_ci_fs.c 1925 0 0 1290 3215 +0.0%
dcd_ci_hs.c 1762 0 0 1280 2530 +0.0%
dcd_da146xx.c 3067 0 0 144 3211 +0.0%
dcd_dwc2.c 4101 24 0 263 4387 +0.0%
dcd_eptri.c 2270 0 0 259 2529 +0.0%
dcd_khci.c 1953 0 0 1290 3243 +0.0%
dcd_lpc17_40.c 1470 0 0 648 1794 +0.0%
dcd_lpc_ip3511.c 1463 0 0 264 1639 +0.0%
dcd_mm32f327x_otg.c 1478 0 0 1290 2768 +0.0%
dcd_msp430x5xx.c 1796 0 0 176 1972 +0.0%
dcd_musb.c 2431 0 0 160 2591 +0.0%
dcd_nrf5x.c 2919 0 0 292 3211 +0.0%
dcd_nuc120.c 1093 0 0 78 1171 +0.0%
dcd_nuc121.c 1167 0 0 101 1268 +0.0%
dcd_nuc505.c 0 0 1529 157 1686 +0.0%
dcd_rp2040.c 859 20 604 655 2138 +0.0%
dcd_rusb2.c 2917 0 0 156 3073 +0.0%
dcd_samd.c 1032 0 0 266 1298 +0.0%
dcd_samg.c 1319 0 0 72 1391 +0.0%
dcd_stm32_fsdev.c 2556 0 0 291 2847 +0.0%
dfu_device.c 744 28 712 183 926 +0.0%
dfu_rt_device.c 156 0 134 0 156 +0.0%
dwc2_common.c 582 29 0 0 597 +0.0%
ecm_rndis_device.c 1037 0 1 2272 3310 +0.0%
ehci.c 2761 0 0 5970 7537 +0.0%
fsdev_common.c 180 0 0 0 180 +0.0%
hcd_ch32_usbfs.c 2484 0 0 498 2982 +0.0%
hcd_ci_hs.c 190 0 0 0 190 +0.0%
hcd_dwc2.c 4893 30 0 512 5434 +0.0%
hcd_khci.c 2442 0 0 449 2891 +0.0%
hcd_musb.c 3073 0 0 157 3230 +0.0%
hcd_pio_usb.c 262 0 240 0 502 +0.0%
hcd_rp2040.c 976 73 416 384 1849 +0.0%
hcd_rusb2.c 2923 0 0 245 3168 +0.0%
hcd_samd.c 2220 0 0 324 2544 +0.0%
hcd_stm32_fsdev.c 3282 0 1 420 3703 +0.0%
hid_device.c 1118 44 997 115 1233 +0.0%
hid_host.c 1206 0 0 1250 2456 +0.0%
hub.c 1235 8 8 29 1268 +0.0%
midi_device.c 1127 0 991 589 1714 +0.0%
midi_host.c 1353 7 7 3740 5097 +0.0%
msc_device.c 2503 108 2274 538 3041 +0.0%
msc_host.c 1589 0 0 394 1984 +0.0%
mtp_device.c 1689 22 1449 579 2275 +0.0%
ncm_device.c 1514 28 1408 5830 7358 +0.0%
ohci.c 1942 0 0 2414 4356 +0.0%
rp2040_usb.c 172 75 718 4 969 +0.0%
rusb2_common.c 160 0 16 0 176 +0.0%
tusb.c 429 0 368 3 430 +0.0%
tusb_fifo.c 843 0 477 0 838 +0.0%
typec_stm32.c 820 8 2 12 842 +0.0%
usbc.c 420 2 20 166 608 +0.0%
usbd.c 3177 57 89 276 3518 +0.0%
usbd_control.c 523 0 474 78 600 +0.0%
usbh.c 4374 60 63 954 5415 +0.0%
usbtmc_device.c 2176 24 69 291 2500 +0.0%
vendor_device.c 624 0 530 464 1087 +0.0%
video_device.c 4391 5 1851 472 4855 +0.0%
TOTAL 113061 1155 16730 45509 160656 +0.0%

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esp32s3: tools/get_deps and make BOARD=xxx get-deps fails

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