update SDK to 1.0.1_b1_15_04_02

Author: Links2004

hardware/tools/esp8266/sdk/License

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+ESPRESSIF GENERAL PUBLIC LICENSE
+
+PREAMBLE
+
+The Espressif General Public License is a free, copyleft license for software and other kinds of works.
+The Espressif General Public License is intended to guarantee your freedom to share and change all versions of a program released by ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD, to make sure it remains free software for all its users. We use the Espressif General Public License for all of our open-source software.
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+TERMS AND CONDITIONS
+
+0. Definitions.
+��This License�� refers to the Espressif Public License.
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+
+12. Interpretation of Sections 10 and 11.
+If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS

hardware/tools/esp8266/sdk/changelog.txt

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+esp_iot_sdk_v1.0.1_b1_15_04_02 Release note
+-------------------------------------------
+
+Fix bugs:
+1. Connect to ESP8266 softAP fail after SmartConfig;
+2. SmartConfig loses one bit of SSID
+
+Optimize:
+1. espconn_set_opt: set configuration of TCP connection,add parameter for TCP keep-alive
+
+Add APIs:
+1. espconn_clear_opt: clear configuration of TCP connection
+2. espconn_set_keepalive: set configuration of TCP keep-alive to detect if TCP connection broke
+3. espconn_get_keepalive: get configuration of TCP keep-alive
+
+AT_v0.23_b1 release note
+Note: AT added some functions so flash size need to be 1024KB or more than that.
+
+Fix bug:
+1. Always "busy" if TCP connection abnormally broke during AT+CIPSEND
+
+Optimize:
+1. Add UDP transparent transmission
+2. Optimize the initial value of AT+CWDHCP?
+3. Add TCP keep-alive function in AT+CIPSTART
+
+Add AT command:
+1. Add AT+CIPSENDEX which support quit from sending mode by "\0" (so an useful "\0" need to be "\\0")
+
+esp_iot_sdk_v1.0.0_15_03_20 Release Note
+----------------------------------------
+
+Optimize:
+1. Optimize smartconfig to version v1.0; Please don't call any other APIs during SmartConfig.
+2. Optimize AT to version 0.22.0.0;
+3. Optimize the protection of system parameters, and add error-check about it;
+4. Optimize beacon delay of ESP8266 softAP;
+5. Optimize boot to version 1.3(b3);
+   - Add API system_restart_enhance: for factory test, support to load and run program in any specific address;
+   - Add APIs to get boot version and start address of current user bin;
+   - Fix compatibility problem of dual flash;
+6. Optimize sniffer, structure sniffer_buf changed, please refer to document;
+7. Optimize espconn;
+8. Optimize pwm;
+9. Other optimize to make the software more reliable;
+
+Add APIs:
+1. system_update_cpu_freq: change CPU frequency;
+2. wifi_promiscuous_set_mac: set a mac address filter during sniffer;
+3. wifi_set_broadcast_if : set which interface will UDP broadcast send from;
+
+Fix bugs:
+1. Interrupt during flash erasing will cause wdt reset;
+2. Read/write rtc memory;
+3. If router disconnect to ESP8266, ESP8266 won't reconnect;
+4. Connect to router which hid its SSID
+
+AT_v0.22 release note
+
+Fix bug:
+1. Wrong return value of AT+CIPSTATUS;
+2. wdt rest after "0,CONNECT FAIL";
+
+Add AT commands:
+1. Change AT commands of which configuration will store into flash to two kinds:
+   XXX_CUR: current, only set configuration won't save it into Flash;
+   XXX_DEF: default, set configuration and save it to Flash
+2. Add SmartConfig in AT:
+   AT+CWSTARTSMART/AT+CWSTOPSMART: start / stop SmartConfig
+   Notice: please refer to the document, call  "AT+CWSTOPSMART" to stop SmartConfig first since "AT+CWSTARTSMART", then call other AT commands. Don't call any other AT commands during SmartConfig. 
+2. AT+SAVETRANSLINK: save transparent transmission link to Flash;
+   Note:AT+CIPMODE=1 set to enter transparent transmission mode, won't save to Flash.
+
+
+Add AT APIs
+1. at_customLinkMax: set the max link that allowed, most can be 10; if you want to set it, please set it before at_init; if you didn't set it, the max link allowed is 5 by default. 
+2. at_enter_special_state/ at_leave_special_state:Enter/leave AT processing state. In processing state, AT core will return "busy" for any further AT commands. 
+3. at_set_custom_info:set custom version information of AT which can be got by AT+GMR;
+4. at_get_version:get version information of AT lib .
+
+Optimize
+1. Add UDP remote ip and remote port is allowed to be parameters of "AT+CIPSEND"
+2. Move "AT+CIUPDATE" from lib to AT "demo\esp_iot_sdk\examples\at", AT demo shows how to upgrade AT firmware from a local server. Notice that AT upgrade the bin files name have to be "user1.bin" and "user2.bin".
+3. Optimize "AT+CIPSTA", add gateway and netmask as parameters 
+4. Optimize transparent transmission.
+
+esp_iot_sdk_v0.9.5_15_01_22 Release Note
+----------------------------------------
+
+AT becomes a lib attached to esp_iot_sdk, programming guide in "document" shows APIs for user to define their own AT commands, AT bin files are in \esp_iot_sdk\bin\at
+
+Fix bugs:
+1. Incorrect status got by API : wifi_station_get_connect_status;
+2. Sniffer can not quit without restart;
+3. wifi_station_ap_change always return true;
+4. TCP connection issues
+
+Add APIs:
+1. system_deep_sleep_set_option: set what the chip will do when deep-sleep wake up;
+2. wifi_status_led_uninstall;
+3. wifi_station_ap_get_info: get information of AP that ESP8266 station connected.
+4. wifi_station_dhcpc_status & wifi_softap_dhcps_status : get DHCP status
+5. smart config APIs, more details in documents.
+6. add beacon_interval parameter in struct softap_config
+7. espconn_recv_hold and espconn_recv_unhold to block TCP receiving data and unblock it.
+8. AT APIs to let user define their own AT, more details in documents.
+
+Optimize:
+1. light sleep, modem sleep, deep sleep
+2. compile method: ./gen_misc.sh, then follow the tips and steps.
+3. when no buffer for os_malloc, return NULL instead of malloc assert.
+4. users can enable #define USE_OPTIMIZE_PRINTF in user_config.h to remove strings of os_printf from ram to irom
+5. faster the re-connection of ESP8266 station to router after deep-sleep.
+6. update to boot v1.2 to support new format user.bin;
+7. update ARP
+8. update SSL
+9. revised system_deep_sleep,system_deep_sleep(0),set no wake up timer,connect a GPIO to pin RST, the chip will wake up by a falling-edge on pin RST 
+
+esp_iot_sdk_v0.9.4_14_12_19 Release Note
+----------------------------------------
+
+1. Update sniffer to support capture HT20/HT40 packet;
+2. Add APIs to set and get sleep type;
+3. Add APIs to get version info of sdk, delete version.h;
+4. RAW in LWIP is open source now, add API of function ping;
+5. Update spi driver;
+6. Optimize APIs related to espconn;
+7. Fix some bugs to make the software more reliable;
+
+Known Issue:
+1. exception of small probability occured while recving multi-client data in softap
+2. restart of small probability occured while tcp client reconnecting
+
+So sorry that we have some known issues here, we will solve it ASAP.
+
+esp_iot_sdk_v0.9.3_14_11_21 Release Note
+----------------------------------------
+
+1. Add license documentation of ESPRESSIF SDK
+2. Add APIs to read and write RTC memory, and APIs to get RTC time.
+3. Add APIs to swap UART0
+4. Add API to read ADC, delete adc.c.
+5. Add API to read spi flash id
+6. Revise struct station_config, add bssid parameters to distinguish different AP with same ssid ;
+   Note: if station_config.bssid_set == 1 , station_config.bssid has to be set, or connection will fail. So in general, station_config.bssid_set need to be 0.
+7. Revise struct scan_config, add scan_config.show_hidden to set whether scan APs which ssid is hidden or not; not scan, set scan_config.show_hidden to be 0.
+   Add bss_info.is_hidden in struct bss_info to show if this APTs ssid is hidden.
+8. Revise struct softap_config, add softap_config.ssid_len. If softap_config.ssid_len == 0, check ssid till find a termination characters; otherwise it depends on softap_config.ssid_len.
+9. Revise API "wifi_softap_set_config" to take effect immediately, needs not restart to make the configuration enable any more.
+10. Add APIs to set and get physical layer mode(802.11b/g/n)
+11. Add APIs to enable and disable DHCP server of ESP8266 softAP
+12. Add APIs to enable and disable DHCP client of ESP8266 station
+13. Add API to set range of ip address that get from DHCP server
+14. Add APIs to set and get how many TCP connections allowed at max.
+15. Add APIs to set and get how many TCP clients allowed at max to a TCP server.
+16. Revise "wifi_set_ip_info" and "wifi_set_macaddr" to take effect immediately.
+17. Fix some bugs to make the software more reliable.
+
+ESP8266EX: Fix A Potential Error For UART RX in esp_iot_sdk_v0.9.2_14_10_24
+---------------------------------------------------------------------------
+
+The previously released SDK for ESP8266EX inadvertently introduced a bug that may cause a little packet loss when transferring packet by Uart RX.
+So for now,I will release the patch for this bug.Please download the patch from the attachment,and refer to the following steps:
+Following Commands:
+1. REPLACE LIBPHY.A IN SDK/LIB
+2. ADD LIBPP.A TO SDK/LIB
+3. MODIFY SDK/APP/MAKEFILE
+4. ADD "-lpp \" AS BELOW
+-lgcc
+-lhal
+-lpp
+-lphy
+-lnet80211
+-llwip
+-lwpa
+-lmain
+-lssc
+-lssl
+
+esp_iot_sdk_v0.9.2_14_10_24 Release Note
+----------------------------------------
+
+Initial version for public, can be compiled on both windows and lubuntu.