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Author SHA1 Message Date
Deng Xin
faede72435 Wifi: add compatible to ccmp encryption 2018-07-21 14:37:27 +08:00
Jiang Jiang Jian
8892174383 Merge branch 'bugfix/coex_pause' into 'master' 
fix coex pause cause bluetooth performance decrease

See merge request idf/esp-idf!2741
 2018-07-21 14:22:09 +08:00
Konstantin Klitenik
3486b51388 Fix stackoverflow due to recursion in vfs_spiffs_readdir_r 2018-07-20 10:27:53 -04:00
Ivan Grokhotkov
0e3694b542 Merge branch 'feature/freertos_vtasklist_xcoreid' into 'master' 
freertos: Add option to display xCoreID in vTaskList

See merge request idf/esp-idf!2728
 2018-07-20 18:46:41 +08:00
Anurg Kar
656bef7bb7 Http Server : Add a simple light weight HTTP Server Component. 
Also add examples, docs and test apps for the HTTP Server.
 2018-07-20 15:49:17 +05:30
David Cermak
0c147648f7 added CI job for AFL fuzzer tests 2018-07-20 10:28:12 +02:00
Tian Hao
6e4342a877 bt : fix bug that bluetooth controller init/disable/enable/disable may cause exception 
1. when one task do deinit/init/disable/enable, especially different cpu
core, it may cause controller crash in ISR handler
2. fix while BLE is scanning, bluetooth controller is disabled cause BLE
scan is not abort.
 2018-07-20 14:10:55 +08:00
Hrishikesh Dhayagude
f610249bdd Reclaim BT/BTDM BSS and Data in bluetooth memory release function 
1. Modify esp_bt_controller_mem_release() to release BTDM BSS and Data to heap if
ESP_BT_MODE_BTDM mode is passed to it
2. Add a new API esp_bt_mem_release() which internally calls
esp_bt_controller_mem_release() with the provided mode and then if mode
is ESP_BT_MODE_BTDM, releases BT BSS and Data to heap.

Background:
For Wi-Fi and BT/BLE applications, for e.g. the usecase is like when
Bluetooth is used for provisioning and once the device is connected to the Wi-Fi
AP, we can turn off Bluetooth completely. In such scenarios, it should be possible to
reclaim all the memory of Bluetooth. Although, currently this does not
happen.

Experiment:
Made the following modifications to examples/bluetooth/gatt_server :
1. Added support of simple_wifi to it
2. Moved all the bluetooth related code under CONFIG_BT_ENABLED config
option
3. Calculated the free heap in 2 similar scenarios:
   i. Disabled BT (CONFIG_BT_ENABLED undefined) and checked the free
heap after STA connected
   ii. Kept BT enabled and disabled it after STA connected and checked
the free heap
Ideally, the numbers for i., ii. above should have been similar. But
there was a delta of almost 30-31K. (i. > ii.)
4. Through make size-components checked the common BSS for libbta.a and libbtdm_app.a
and found it to be almost 30K. Data is around 1K

Solution:
1. Modified the linker script to mark the BSS and Data for these libraries and
free it when ESP_BT_MODE_BTDM mode is passed to mem release APIs.
2. Verified that the free heap is comparable for i. and ii. above.

Note: It is known that once this is done, Bluetooth can only be used
again post reboot.

Signed-off-by: Hrishikesh Dhayagude <hrishi@espressif.com>
 2018-07-20 11:33:26 +05:30
Jiang Jiang Jian
e4fb359c34 Merge branch 'bugfix/btdm_bt_remove_device_fail_when_ble_connected' into 'master' 
component/bt: Fix bug of remove bond device fail when BLE and BT are connectd at the same time

See merge request idf/esp-idf!2767
 2018-07-20 10:46:31 +08:00
Angus Gratton
45275ab189 Merge branch 'feature/nvs_multipage_blob' into 'master' 
nvs-flash: Support for blobs larger than half of SPI Flash sector size

See merge request idf/esp-idf!2182
 2018-07-20 09:13:34 +08:00
Sagar Bijwe
5a27a63541 nvs-flash: Support for blobs larger than half of SPI Flash sector size 
This change removes the earlier limitation of 1984 bytes for storing data-blobs.
Blobs larger than the sector size are split and stored on multiple sectors.
For this purpose, two new datatypes (multi-page index and multi-page data) are
added for entries stored in the sectors. The underlying read, write, erase and find
operations are modified to support these large blobs. The change is transparent
to users of the library and no special APIs need to be used to store these large
blobs.
 2018-07-20 00:13:15 +05:30
Roland Dobai
0efb4a11ec Correct source code encoding 2018-07-19 14:00:44 +02:00
Ivan Grokhotkov
fec079cd44 Merge branch 'bugfix/rtc_io_hold_regs' into 'master' 
Fix errors in rtc_gpio_desc values

See merge request idf/esp-idf!2765
 2018-07-19 15:04:42 +08:00
Angus Gratton
f0d74b1c64 bootloader: Ensure bootloader never returns to caller 
* Fixes some "noreturn" functions in bootloader utils which did return (causing fatal CPU
  exceptions).
* Marks bootloader entry as "noreturn", preventing "user code done" from stalling boot
  Partial fix for https://github.com/espressif/esp-idf/issues/1814 TW20016
  (Comprehensive fix for this issue will be enabling WDT during bootloader, coming shortly.)
 2018-07-19 16:24:11 +10:00
Wang Jia Lin
de907e8801 Merge branch 'bugfix/rmt_mem_num_maximum_limit_is_not_accurate' into 'master' 
bugfix(rmt): Modify the rmt_mem_num maximum limit value from 15 to 8.

See merge request idf/esp-idf!2734
 2018-07-18 16:15:14 +08:00
Ivan Grokhotkov
c46b8178f2 Merge branch 'bugfix/sdmmc_auto_stop_cmd' into 'master' 
sdmmc: enable host auto_stop only for certain commands

See merge request idf/esp-idf!2710
 2018-07-18 14:55:45 +08:00
Ivan Grokhotkov
0b78959070 Merge branch 'bugfix/deep_sleep_flush_uart' into 'master' 
sleep: fix flushing UARTs when entering deep sleep

See merge request idf/esp-idf!2698
 2018-07-18 14:55:13 +08:00
Jiang Jiang Jian
d62293165b Merge branch 'bugfix/btdm_using_osi_malloc_instead_of_malloc' into 'master' 
component/bt: Using osi_malloc instead of malloc

See merge request idf/esp-idf!2748
 2018-07-18 11:09:28 +08:00
Angus Gratton
aa4d77467b Merge branch 'bugfix/esp_err_ignore_dirs' into 'master' 
esp32: Do not document error codes defined in examples

See merge request idf/esp-idf!2732
 2018-07-18 08:29:53 +08:00
Tian Hao
cf14826100 fix coex pause cause bluetooth performance decrease 
1. it may cause BLE connection unstable
2. it may cause Classic BT connection unstable
3. it may cause BLE/BREDR scan performance decrease
 2018-07-17 21:06:57 +08:00
Jiang Jiang Jian
603ce05376 Merge branch 'bugfix/ampdu_duplicate' into 'master' 
wifi: fix ampdu duplicate issue

See merge request idf/esp-idf!2742
 2018-07-17 20:45:45 +08:00
fuzhibo
54a67d92a4 fix(sleep): swap touchpad num in wakeup status 2018-07-17 20:25:06 +08:00
Ivan Grokhotkov
5376a06d7b Merge branch 'bugfix/range_CONFIG_ESP32_RTC_CLK_CAL_CYCLES' into 'master' 
soc/clk: Fix range CONFIG_ESP32_RTC_CLK_CAL_CYCLES

See merge request idf/esp-idf!2719
 2018-07-17 19:43:11 +08:00
Ivan Grokhotkov
cffaa9f5b5 freertos: add configTASKLIST_INCLUDE_COREID 2018-07-17 10:57:26 +00:00
Dave McNaughton
0fb1945482 Added: display xCoreID in vTaskList 
Merges https://github.com/espressif/esp-idf/pull/2064
 2018-07-17 10:57:26 +00:00
Ivan Grokhotkov
ea452920bb Merge branch 'bugfix/time_ut_wakeup_from_deep_sleep' into 'master' 
esp32/test: Reduces a unit test execution time

See merge request idf/esp-idf!2776
 2018-07-17 18:39:15 +08:00
zhangyanjiao
d90f8c06c2 changes for timers 2018-07-17 16:46:53 +08:00
Wang Jia Lin
5480a6b6e5 Merge branch 'bugfix/clear_intr_status_when_enable_intr' into 'master' 
driver(gpio): fix the gpio interrupt false triggering issue

See merge request idf/esp-idf!2498
 2018-07-17 15:44:00 +08:00
Wang Jia Lin
e7135c53b5 Merge branch 'bugfix/fix_uart_timeout_bug_when_enable_reftick' into 'master' 
driver(uart):  Fix uart time_out bug when using ref_tick

See merge request idf/esp-idf!2775
 2018-07-17 15:43:47 +08:00
Angus Gratton
5cbc4e976b app_update: Don't double-verify secure boot signature during OTA 
esp_image_load() already verifies the signature
 2018-07-17 15:33:47 +10:00
Angus Gratton
57b601ab7f secure boot: Pad to avoid data after the signature mapping into the address space 
Because address space is mapped in 64KB pages, it was possible for unauthenticated data after the
app .bin to become mapped into the flash cache address space.

This problem is solved by 2 changes:

* "esptool elf2image --secure-pad" will pad the image so that the signature block ends close to the
  64KB boundary. Due to alignment constraints it will be 12 bytes too short after signing (but
  with flash encryption, these 12 bytes are still encrypted as part of the last block and can't be
  arbitrarily changed).
* By default, secure boot now requires all app partitions to be a multiple of 64KB in size.
 2018-07-17 15:33:47 +10:00
XiongYu
6d57757840 Modify the rmt_mem_num maximum limit value from 15 to 8. 2018-07-16 19:10:42 +08:00
Konstantin Kondrashov
4df7145564 esp32/test: Reduces a unit test execution time 2018-07-16 14:14:40 +05:00
chenyudong
936b8e1967 wifi: fix ampdu duplicate issue 
fix ampdu duplicate issue
 2018-07-16 17:10:58 +08:00
Jiang Jiang Jian
70f3933db1 Merge branch 'bugfix/tw23835_add_source_ip_route_for_unicast' into 'master' 
lwip: add source ip based route for unicast packet

See merge request idf/esp-idf!2757
 2018-07-16 17:01:16 +08:00
hou wen xiang
e2b9b70800 driver(uart): Fix uart time_out bug when using ref_tick 2018-07-16 16:56:14 +08:00
Angus Gratton
e5d2406b1d Merge branch 'bugfix/spi_cs_setup_fulldup' into 'master' 
fix(spi_master): allow to use cs_ena_pretrans in full duplex mode without…

See merge request idf/esp-idf!2576
 2018-07-16 16:30:36 +08:00
Angus Gratton
fe1ffb3d1c Merge branch 'bugfix/mdns_remove' into 'master' 
mdns: Minor fix for mdns_service_remove()

See merge request idf/esp-idf!2760
 2018-07-16 16:29:20 +08:00
Angus Gratton
e90a920ea8 Merge branch 'bugfix/add_queueset_critical_sections' into 'master' 
freertos: Add critical sections to queue sets.

See merge request idf/esp-idf!2761
 2018-07-16 15:57:35 +08:00
baohongde
11ca056320 component/bt: Fix bug of remove bond device fail when BLE and BT are connectd at the same time 2018-07-16 15:46:27 +08:00
Jiang Jiang Jian
7f382f461c Merge branch 'feature/support_for_XM25QU64A' into 'master' 
feature(flash): set QIO mode for XM25QU64A(1V8_64M_flash)

See merge request idf/esp-idf!2753
 2018-07-16 12:16:13 +08:00
Jiang Jiang Jian
8809fabcd5 Merge branch 'bugfix/ledc_duty_and_freq' into 'master' 
bugfix(ledc): fix bugs reported from unit-test and github.

See merge request idf/esp-idf!2735
 2018-07-16 12:12:48 +08:00
Angus Gratton
68e01045f1 Merge branch 'bugfix/secure_boot_regression_partitions' into 'master' 
Fix secure boot & flash encryption regression, don't verify partitions as part of secure boot

See merge request idf/esp-idf!2764
 2018-07-16 12:07:56 +08:00
Jiang Jiang Jian
3b19269fcb Merge branch 'feature/wifi_check_wifi_lib_git_commit_id' into 'master' 
check WiFi library git commit id in unit test

See merge request idf/esp-idf!2621
 2018-07-16 11:45:59 +08:00
Angus Gratton
cee6d7d5a9 docs: Add more ReST-isms in secure boot & flash encryption docs 
(Original version of these docs were in Markdown.)
 2018-07-16 11:52:52 +10:00
Angus Gratton
2ae758ebcb Merge branch 'bugfix/spi_sdio_sdkconfig_include' into 'master' 
sdio_example/spi: fix sdkconfig include issue

See merge request idf/esp-idf!2756
 2018-07-16 08:00:15 +08:00
Jiang Jiang Jian
a22d6607f8 Merge branch 'bugfix/autoip_compilation' into 'master' 
LWIP AutoIP Compilation Fixed by defining IP_IS_V4_VAL()

See merge request idf/esp-idf!2758
 2018-07-15 15:19:11 +08:00
He Yin Ling
be81d2c16d Merge branch 'test/print_debug_info_when_test_failed' into 'master' 
tiny-test-fw: print debug info when test failed

See merge request idf/esp-idf!2564
 2018-07-13 21:22:29 +08:00
Jiang Jiang Jian
6554bdcbb6 Merge branch 'bugfix/btdm_add_profile_descriptor_list_for_spp' into 'master' 
component/bt: Add profile descriptor list for SPP

See merge request idf/esp-idf!2691
 2018-07-13 19:20:03 +08:00
Jiang Jiang Jian
8571170abe Merge branch 'feature/btdm_bt_ssp' into 'master' 
component/bt: Add Secure Simple Pairing

See merge request idf/esp-idf!2453
 2018-07-13 19:19:53 +08:00
Piyush Shah
fd8a7666c8 LWIP AutoIP Compilation Fixed by defining IP_IS_V4_VAL() 2018-07-13 15:04:39 +05:30
He Yin Ling
f348076920 esp32/test: set 60s timeout for one deep sleep case 2018-07-13 07:04:05 +00:00
Ivan Grokhotkov
b354770f42 Merge branch 'bugfix/fixes_from_github' into 'master' 
Fixes from Github

See merge request idf/esp-idf!2730
 2018-07-13 15:03:50 +08:00
Angus Gratton
8b5a2ccb8d docs: Update Flash Encryption docs to clarify reflashing options 2018-07-13 16:18:07 +10:00
negativekelvin
8a9e3875ed
Fix errors in rtc_gpio_desc values 2018-07-12 23:16:15 -07:00
Darian Leung
21ccecc802 freertos: Add critical sections to queue sets. 
Queue sets are not SMP safe. This commit adds
critical sections to queue sets. Unit tests for
queue sets have also been added.
 2018-07-13 13:58:54 +08:00
Angus Gratton
6fd6e024fc bootloader: Fix warning building reflashable Secure Boot image 2018-07-13 15:45:15 +10:00
Angus Gratton
fb439e48f5 bootloader: Don't verify Partition Table as part of Secure Boot 
Partition Tables are still signed for backwards compatibility, but signature is no longer checked as
part of bootloader.

Closes https://github.com/espressif/esp-idf/issues/1641
 2018-07-13 15:45:15 +10:00
Angus Gratton
7b9009ca5c bootloader: Fix secure boot & flash encryption functionality 
Fixes regression in 3e0ac4db79.
 2018-07-13 15:26:18 +10:00
Liu Zhi Fu
2e1427a239 lwip: add source ip based route for unicast packet 
Add source IP based route for unicast packets forwarding.
 2018-07-13 12:35:17 +08:00
Ivan Grokhotkov
46639bab85 Merge branch 'bugfix/crlf_auto_conversion' into 'master' 
Convert CRLF (Windows line endings) to LF (Unix style), add CI check

See merge request idf/esp-idf!2119
 2018-07-13 11:44:57 +08:00
Ivan Grokhotkov
6d46eed8e4 sdmmc: enable host auto_stop only for certain commands 
Perviously host send_auto_stop flag would be set for every data
transfer over 1 block long. This caused stop commands to be sent
after CMD53, which shouldn't be done. Fix by adding an explicit list
of commands for which send_auto_stop should be set.
 2018-07-13 03:28:10 +00:00
Angus Gratton
ffaf08e851 Merge branch 'fix/bootloader_typedef_enum' into 'master' 
bootloader: fix missing typedef on enum defintion

See merge request idf/esp-idf!2718
 2018-07-13 08:24:28 +08:00
Piyush Shah
5c7eb7e27b mdns: Minor fix for mdns_service_remove() 
Send the Goodbye packet while removing an mDNS service as an "Authoritative" packet so
that the listeners remove the service from their records immediately.
 2018-07-12 19:18:54 +05:30
hou wen xiang
5402ace528 driver(gpio) : Fixed the gpio related bug for release v3.1. 2018-07-12 20:19:02 +08:00
Angus Gratton
a67d5d89e0 Replace all DOS line endings with Unix 
Command run was:
git ls-tree -r HEAD --name-only | xargs dos2unix
 2018-07-12 19:10:37 +08:00
XiaXiaotian
32bc9f94c0 check WiFi library git commit id in unit test 2018-07-12 17:53:21 +08:00
weyoui
24e7286693 bootloader: fix missing typedef on enum defintion 
(MINOR CHANGES)
Closes https://github.com/espressif/esp-idf/pull/2140
 2018-07-12 17:43:59 +08:00
Jiang Jiang Jian
dc092366bb Merge branch 'bugfix/beacon_info_do_not_update_after_user_scan' into 'master' 
Wifi: bugfix of beacon info don't update after user scan

See merge request idf/esp-idf!2749
 2018-07-12 17:24:54 +08:00
Ivan Grokhotkov
b0c049a6c8 Merge branch 'bugfix/fix_esp_pthread_h_compatible_with_cpp' into 'master' 
pthread: fix esp_pthread.h to compatible with c++

See merge request idf/esp-idf!2739
 2018-07-12 16:54:18 +08:00
Michael (XIAO Xufeng)
95dbfbe4c0 sdio_example/spi: fix sdkconfig include issue 
(MINOR CHANGES)
 2018-07-12 15:59:16 +08:00
Angus Gratton
04caff2fb2 Merge branch 'fix/sdio_speed_4bit' into 'master' 
fix(sdio): update sdio to better run in 4bit HS mode

See merge request idf/esp-idf!2704
 2018-07-12 08:54:03 +08:00
chenjianqiang
542373b6ef feature(flash): support for QIO mode of XM25QU64A 2018-07-11 22:28:01 +08:00
Darian Leung
882b50dd8c driver: Fix memory leak in rtc_isr_deregister() 
Closes #2179
 2018-07-11 21:34:09 +08:00
Deng Xin
6e42a2b4b9 Wifi: bugfix of beacon info don't update after user scan 2018-07-11 20:02:33 +08:00
Jiang Jiang Jian
1b1477d16a Merge branch 'bugfix/btdm_err_data_report' into 'master' 
component/bt: bugfix for erroneous data reporting always enabled

See merge request idf/esp-idf!2709
 2018-07-11 20:00:46 +08:00
baohongde
47a164b3ac component/bt: Using osi_malloc instead of malloc 2018-07-11 11:15:41 +00:00
baohongde
d7c4ec5235 component/bt: Add profile descriptor list for SPP 2018-07-11 11:14:41 +00:00
morris
5c6e1e6e67 pthread: fix esp_pthread.h to compatible with c++ 
esp_pthread.h is missing the necessary extern "C"{ ... } wrapper to be compatible with C++. The result is link errors when you call its functions from C++ code, because the compiler generates mangled names.

Closes https://github.com/espressif/esp-idf/issues/2121
Closes https://github.com/espressif/esp-idf/issues/2172
 2018-07-11 14:21:09 +08:00
XiaXiaotian
c96d80f789 esp32: synchronize header file with that in wifi library 2018-07-11 12:11:06 +08:00
Konstantin Kondrashov
ac3508615a soc/clk: Fix range CONFIG_ESP32_RTC_CLK_CAL_CYCLES 
Fixed the error division on zero.
Also fixed range CONFIG_ESP32_RTC_CLK_CAL_CYCLES in Kconfig.
Fixed a overflow error by TIMG in the function rtc_clk_cal_internal. This error was due to a limit in values TIMG_RTC_CALI_MAX=0x7FFF (to write the slowclk_cycles) and TIMG_RTC_CALI_VALUE=0x1FFFFFF (to read xtal_cycles). Added assert finctions.

Closes https://github.com/espressif/esp-idf/issues/2147
 2018-07-10 11:56:12 +05:00
Roland Dobai
20f80da723 esp32: Do not document error codes defined in examples 2018-07-10 07:57:54 +02:00
baohongde
21af1d7339 component/bt: Add Secure Simple Pairing 2018-07-10 11:18:52 +08:00
Jiang Jiang Jian
9d830a6f7c Merge branch 'bugfix/tw23667_tcp_pcb_purge_assert' into 'master' 
lwip: fix the assertion in tcp_pcb_purge()

See merge request idf/esp-idf!2657
 2018-07-10 10:16:47 +08:00
Wangjialin
ab44c6ecc2 bugfix(ledc): fix bugs reported from unit-test and github. 
1. In ledc_set_duty_and_update, return if duty updated. Close https://github.com/espressif/esp-idf/issues/2082
2. fix ledc_set_freq function for low speed mode.
 2018-07-10 02:22:23 +08:00
Anton Maklakov
27311811e0 Merge branch 'bugfix/gcc8_complation_errors' into 'master' 
Warnings and errors detected by GCC8

See merge request idf/esp-idf!2703
 2018-07-09 22:55:52 +08:00
Jiang Jiang Jian
3e7a5c4f50 Merge branch 'bugfix/wifi_channel_state_information_data_type' into 'master' 
esp32: Change channel state information(CSI) data type from unsigned char to signed char

See merge request idf/esp-idf!2694
 2018-07-09 21:28:09 +08:00
Alexey Gerenkov
c2dc09304c gcc8_newlib3: Compilation warnings and errors not specific to newlib v3 2018-07-09 13:22:24 +03:00
Ivan Grokhotkov
82047ff181 Merge branch 'bugfix/smartconfig_ack' into 'master' 
smartconfig_ack.c : Fixed the declaration of remote_ip in sc_ack_send_task()

See merge request idf/esp-idf!2689
 2018-07-09 16:20:22 +08:00
Chris Morgan
3e1633354a ssl_pm_reload_crt() - Fix verify_mode checking to match openssl documentation https://www.openssl.org/docs/manmaster/man3/SSL_CTX_set_verify.html 
Merges https://github.com/espressif/esp-idf/pull/2162
 2018-07-09 14:41:56 +08:00
Le-Andrew
a8da9c1b96 Fixed typos on booleans. 
Merges https://github.com/espressif/esp-idf/pull/2067
 2018-07-09 14:36:06 +08:00
wangmengyang
1ade9a34d2 component/bt: bugfix for erroneous data reporting always enabled 2018-07-09 13:45:55 +08:00
Jiang Jiang Jian
f22a74b85c Merge branch 'bugfix/btdm_invalid_sco_handle' into 'master' 
component/bt: bugfix of invalid SCO handle in HCI number_of_completed_packets event

See merge request idf/esp-idf!2707
 2018-07-09 12:10:02 +08:00
Jiang Jiang Jian
6bf435217e Merge branch 'bugfix/disable_lwip_trust_ip_by_default' into 'master' 
lwip: disable ETHARP_TRUST_IP_MAC by default

See merge request idf/esp-idf!2652
 2018-07-09 10:03:30 +08:00
michael
c34672e7dc fix(sdmmc): disable all pulldowns used by sdmmc host 2018-07-06 18:17:51 +08:00
michael
597eda5f0b fix(sdio_slave): improve sdio slave for high speed and 4 bit mode 2018-07-06 18:17:50 +08:00
michael
823ebba0f0 fix(sdio_slave): fix minor issues like return value of send function, output arg, etc. 2018-07-06 18:17:49 +08:00
Ivan Grokhotkov
d92c1d02e7 Merge branch 'bugfix/bootloader_entry_addr_decoding' into 'master' 
bootloader: move iram_seg 1k up to have better looking idf_monitor output

See merge request idf/esp-idf!2699
 2018-07-05 16:18:33 +08:00
Ivan Grokhotkov
934df45473 Merge branch 'bugfix/xthal_get_interrupt_volatile' into 'master' 
xtensa: make XTHAL_GET_INTERRUPT, XTHAL_GET_CCOUNT volatile

See merge request idf/esp-idf!2681
 2018-07-05 16:18:18 +08:00
Liu Zhi Fu
49c236d613 lwip: fix the assertion in tcp_pcb_purge() 
Fix the assertion in tcp_pcb_purge().
 2018-07-05 14:29:03 +08:00