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gerrit-public.fairphone.software / platform / external / pigweed / 22ee114b142bfdfb7318f04b6860e59ad99ee7c9
commit22ee114b142bfdfb7318f04b6860e59ad99ee7c9[log] [tgz]
authorAlexei Frolov <frolv@google.com>Thu Feb 03 13:59:01 2022 -0800
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Wed Feb 09 05:28:33 2022 +0000
treedb028f602d10f62478f0a03bd6aa5e5a7ce345ba
parent5715ba8c76bdd608c723d98fc9c2d2193908f780 [diff]
pw_transfer: Rewrite to use event model

This updates the design of the pw_transfer C++ code to run via a series
of events dispatched to a dedicated transfer thread. This removes any
transfer processing from RPC callback contexts, preventing RPC-servicing
threads from blocking on expensive transfer operations.

Additionally, system timers are no longer used for timeouts, as the
potential to run in an interrupt context precludes effective handling of
timeout operations. Instead, timeouts are managed by the transfer thread
checking to see if any of its transfers have timed out every time it
runs.

Change-Id: I28b858f1918c3f3a9e126564d3426a296519a5cc
Requires: pigweed-internal:22480
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/82883
Reviewed-by: Keir Mierle <keir@google.com>
Commit-Queue: Wyatt Hepler <hepler@google.com>
31 files changed
tree: db028f602d10f62478f0a03bd6aa5e5a7ce345ba
  1. build_overrides/
  2. docker/
  3. docs/
  4. pw_allocator/
  5. pw_analog/
  6. pw_android_toolchain/
  7. pw_arduino_build/
  8. pw_assert/
  9. pw_assert_basic/
  10. pw_assert_log/
  11. pw_assert_tokenized/
  12. pw_assert_zephyr/
  13. pw_base64/
  14. pw_bloat/
  15. pw_blob_store/
  16. pw_bluetooth_hci/
  17. pw_boot/
  18. pw_boot_cortex_m/
  19. pw_build/
  20. pw_build_info/
  21. pw_build_mcuxpresso/
  22. pw_bytes/
  23. pw_checksum/
  24. pw_chrono/
  25. pw_chrono_embos/
  26. pw_chrono_freertos/
  27. pw_chrono_stl/
  28. pw_chrono_threadx/
  29. pw_chrono_zephyr/
  30. pw_cli/
  31. pw_console/
  32. pw_containers/
  33. pw_cpu_exception/
  34. pw_cpu_exception_cortex_m/
  35. pw_crypto/
  36. pw_docgen/
  37. pw_doctor/
  38. pw_env_setup/
  39. pw_file/
  40. pw_function/
  41. pw_fuzzer/
  42. pw_hdlc/
  43. pw_hex_dump/
  44. pw_i2c/
  45. pw_interrupt/
  46. pw_interrupt_cortex_m/
  47. pw_interrupt_zephyr/
  48. pw_kvs/
  49. pw_libc/
  50. pw_log/
  51. pw_log_basic/
  52. pw_log_null/
  53. pw_log_rpc/
  54. pw_log_string/
  55. pw_log_tokenized/
  56. pw_log_zephyr/
  57. pw_malloc/
  58. pw_malloc_freelist/
  59. pw_metric/
  60. pw_minimal_cpp_stdlib/
  61. pw_module/
  62. pw_multisink/
  63. pw_package/
  64. pw_persistent_ram/
  65. pw_polyfill/
  66. pw_preprocessor/
  67. pw_presubmit/
  68. pw_protobuf/
  69. pw_protobuf_compiler/
  70. pw_random/
  71. pw_result/
  72. pw_ring_buffer/
  73. pw_router/
  74. pw_rpc/
  75. pw_snapshot/
  76. pw_software_update/
  77. pw_span/
  78. pw_spi/
  79. pw_status/
  80. pw_stm32cube_build/
  81. pw_stream/
  82. pw_string/
  83. pw_symbolizer/
  84. pw_sync/
  85. pw_sync_baremetal/
  86. pw_sync_embos/
  87. pw_sync_freertos/
  88. pw_sync_stl/
  89. pw_sync_threadx/
  90. pw_sync_zephyr/
  91. pw_sys_io/
  92. pw_sys_io_arduino/
  93. pw_sys_io_baremetal_lm3s6965evb/
  94. pw_sys_io_baremetal_stm32f429/
  95. pw_sys_io_mcuxpresso/
  96. pw_sys_io_stdio/
  97. pw_sys_io_stm32cube/
  98. pw_sys_io_zephyr/
  99. pw_system/
  100. pw_target_runner/
  101. pw_thread/
  102. pw_thread_embos/
  103. pw_thread_freertos/
  104. pw_thread_stl/
  105. pw_thread_threadx/
  106. pw_tls_client/
  107. pw_tls_client_boringssl/
  108. pw_tls_client_mbedtls/
  109. pw_tokenizer/
  110. pw_tool/
  111. pw_toolchain/
  112. pw_trace/
  113. pw_trace_tokenized/
  114. pw_transfer/
  115. pw_unit_test/
  116. pw_varint/
  117. pw_watch/
  118. pw_web_ui/
  119. pw_work_queue/
  120. targets/
  121. third_party/
  122. zephyr/
  123. .dockerignore ⇨ .gitignore
  124. activate.sh ⇨ bootstrap.sh
  125. .bazelignore
  126. .bazelrc
  127. .clang-format
  128. .clang-tidy
  129. .eslintrc.json
  130. .gitattributes
  131. .gitignore
  132. .gn
  133. .prettierrc.js
  134. .pylintrc
  135. activate.bat
  136. Android.bp
  137. AUTHORS
  138. bootstrap.bat
  139. bootstrap.sh
  140. BUILD.bazel
  141. BUILD.gn
  142. BUILDCONFIG.gn
  143. CMakeLists.txt
  144. Kconfig.zephyr
  145. LICENSE
  146. modules.gni
  147. OWNERS
  148. package.json
  149. PW_PLUGINS
  150. README.md
  151. tsconfig.json
  152. WORKSPACE
  153. yarn.lock
README.md

Pigweed

Pigweed is an open source collection of embedded-targeted libraries–or as we like to call them, modules. These modules are building blocks and infrastructure that enable faster and more reliable development on small-footprint MMU-less 32-bit microcontrollers like the STMicroelectronics STM32L452 or the Nordic nRF52832.

For more information please see our website: https://pigweed.dev/

Links