8-esp8266開發(fā)板配套的程序代碼官網(wǎng)固件programming1

1、ESP8266SDKESP8266SDKEspressif Systems IOT Copyright(c) Wi-FiWi- 2015 Espressif Systems Friday,June12, Tableof Tableof 3.1. 3.2. Espressif Systems Friday,June12, 1SPIFlashWi-Fi Espressif Systems Friday,June12, Espressif Systems Friday,June12, wifi_get_broadcast (FOTA)Sni#ersmart config SNTP Espressif

2、 Systems Friday,June12, SNTPTCP/UDP TCPEspressif Systems Friday,June12, UDPmDNS Espressif Systems Friday,June12, JSON Espressif Systems Friday,June12, WiFisionsoft-AP scanWiFieventsmart config json jsonjsonespconn GPIO PINGPIOGPIOGPIOUARTI2CMaster Espressif Systems Friday,June12, ESPCONN TCPC ntTCPS

3、erverespconn RTC APIs Sni#erESP8266soft-APionEspressif Systems Friday,June12, ESP8266EX Wi-Fi ESP8266EX Wi-Fi Wi-Fi ESP8266 Wi-Fi CHB ESP8266EX GPIO SDK ESP8266EX ESP8266EX Espressif Systems Friday,June12, SDK user_main.c SDK user_main.c SDK_v1.1.0 user_main.c void IOT_Demo user_main.c user_rf_pre_i

4、nit RF RF system_phy_set_rfoption RF ion soft-AP SDK json OS SDK task task CPU taskCPU10Wi-Fi!OSSDKR RTOS SDKOS task task Espressif Systems Friday,June12, 3.1. 3.1. os_timer timeros_timer_armos_timer_arm_us os_timer_disarm Espressif Systems Friday,June12,void os_timer_arm ( ETSTimer*ptimer,32_tmilli

5、seconds, bool repeat_flag)ETSTimer *ptimer : 32_t milliseconds : system_timer_reinit system_timer_reinit bool repeat_flag : Espressif Systems Espressif Systems Friday,June12, system_timer_reinit user_init voidsystem_timer_reinitvoid os_timer_setfn( ETSTimer *ptimer, ETSTimerFunc*pfunction, void *par

6、g)ETSTimer *ptimer : TESTimerFunc*pfunction: void *parg : voidos_timer_disarm(ETSTimerETSTimer *ptimer : driver_lib “readme.txt” driver_lib “readme.txt” NMI hw_timer_arm 100 NMI FRC1 hw_timer.cEspressif Systems Friday,June12, ISR user_init voidos_timer_arm_us( ETSTimer *ptimer,32_tmicroseconds, bool

7、 repeat_flag)ETSTimer *ptimer : 32_t microseconds : 0 x64 F bool repeat_flag : Espressif Systems Espressif Systems Friday,June12,voidhw_timer_set_func(void(*user_hw_timer_cb_set)(void)voidhw_timer_arm3232val: 1 FRC1_SOURCE : 50 0 x7ff; I NMI_SOURCE : 100 0 x7ff; : 10 0 x7ff;void hw_timer_init ( FRC1

8、_TIMER_SOURCE_TYPEsource_type, u8 req)FRC1_TIMER_SOURCE_TYPEsource_type: ISRFRC1_SOURCE, FRC1NMI_SOURCE, NMIu8req: 0,1, Espressif Systems Espressif Systems Friday,June12,wifi_sion_set_auto_connect, wifi_set_phy_mode, wifi_softap_set_config , wifi_sion_set_config , wifi_set_opmode, e AP_CACHE P #defi

9、ne REG_READ(_r)(*(volatile u32*)(_r) #define WDEV_NOW()32tick_now2=voidic u16j=0; if( (WDEV_NOW() - tick_now2) = 1000000 ic u32 idx = 1; tick_now2=WDEV_NOW();j = 0;void ICACHE_FLASH_ATTR void (* user_hw_timer_cb_set)(void) : Espressif Systems Espressif Systems Friday,June12, user_init wifi_sion_scan

10、 sn voidsystem_init_done_cb(init_done_cb_tinit_done_cb_t cb : void to_scan(void) wifi_sion_scan(null,scan_done); void user_init(void) voidvoid Espressif Systems Espressif Systems Friday,June12, TOUT 6 1/1024 system_adc_read TOUT TOUT 0byte(vdd33_const) VDD3P3 3 4 “vdd33_const“ 0.1VESP8266 “vdd33_con

11、st“18, VDD3P3 3 4 1/1024 system_get_vdd33 TOUT TOUT esp_init_data_default.bin0127byte 107 “vdd33_const“ 0 xFF 16VDD33 1/1024 32system_get_chip_id Espressif Systems Espressif Systems Friday,June12, deep-sleep API system_deep_sleep bool8 8optiondeep_sleep_set_option(0): esp_init_data_default.bin(0127b

12、yte) byte deep-sleep deep_sleep_set_option(1): deep-sleep deep_sleep_set_option(2): deep-sleep RF_CAL deep_sleep_set_option(4):deep-sleep RF modem-sleep p user_init XPD_DCDC 0R EXT_RSTB deep-sleepsystem_deep_sleep(0) GPIO RSTvoid3232 time_in_us : 16TOUT 6 1/1024 Espressif Systems Espressif Systems F

13、riday,June12, RF er void88 max_tpw : RF Tx 127byte 34 byte (er_qdb_0) 0.25dBm ESP8266 RF API user_rf_pre_init system_deep_sleep_set_option system_deep_sleep_set_option void8 8optionsystem_phy_set_rfoption(0) : esp_init_data_default.bin(0127byte) 108 deep-sleep system_phy_set_rfoption(1) : deep-sleep

14、 system_phy_set_rfoption(2) : deep-sleep system_phy_set_rfoption(4) : deep-sleep RF true :false: Espressif Systems Espressif Systems Friday,June12, void_meminfo logvoid8 8 onoff=0: onoff=1: 3 F Xer4 V TOUT VDD33 system_get_vdd33 TOUT system_get_vdd33 VDD33void1616 vdd33 : VDD33 1/1024V1900, Espressi

15、f Systems Espressif Systems Friday,June12,bool system_os_task( )os_task_t task : 8 prio : 3 : 0/1/2; 0 os_event_t *queue : 8 qlen : true: false: heap3232: heap tEspressif Systems tEspressif Systems Friday,June12,bool system_os_t( 8 prio, os_signal_t sig, os_param_t par)8: os_signal_t sig : os_param_

16、tpar :true: false:voidt(void)t(USER_TASK_PRIO_0,SIG_RX,#define#defineTEST_QUEUE_LEN os_event_tvoidtest_task(os_event_t*e) switch (e-sig) casef(sig_rx%c/n,(char)e-par); voidtask_init(void)testQueue=(os_event_t*)os_malloc(sizeof(os_event_t)*TEST_QUEUE_LEN); Espressif Systems Espressif Systems Friday,J

17、une12, RTCRTC system_get_rtc_time 10( 10 RTC), system_rtc_clock_cali_proc 5.75( 1 RTC 5.75 10 x5.75=57.5system_restart RTC CHIP_EN deep-sleepRTCEXT_RST: RTC memory RTC timer watchdogreset:RTCmemoryRTCtimersystem_restart: RTC memory RTC timer :RTCmemoryRTCtimerCHIP_EN : RTC memory RTC timer 3232sig_r

18、x Espressif Systems Espressif Systems Friday,June12, deep-sleep RTC RTCmemory userdata 512bytes|-user256512RTCmemory 4$(-(: des_addr block block4$ userdata) 3 12 RTCRTC Espressif Systems Espressif Systems Friday,June12,UART0 MTCK UART0RXMTDO UART0TX MTDO(U0CTS)MTCK(U0RTS) UART0 UART0 ROMvoidsystem_u

19、art_swap RTCmemory userdata 512bytes|-user256512RTC memory 4 src_addr block boolsystem_rtc_mem_read( 32 src_addr,void*des_addr, 32)32src_addr :/ rtcmemory 3=64 void * des_addr : 32 save_size : true: false:32des_addr :rtcmemorydes_addr void * src_addr : true: false: Espressif Systems Friday, Espressi

20、f Systems Friday,June12, userbin(user1.bin user2.bin)32system_get_userbin_addr boot8 boot = 3 boot ( UART0 UART0 MTCKMTDO voidsystem_uart_de_swap Espressif Systems Espressif Systems Friday,June12,Boot boolsystem_restart_enhance( 8 bin_type,32)8bin_type:bin#defineSYS_BOOT_NORMAL_BIN 0 /user1.bin user

21、2.bin #define SYS_BOOT_TEST_BIN 1/ Espressif test 32bin_addr:bintrue: false: boot8system_get_boot_mode#defineSYS_BOOT_ENHANCE_MODE#defineSYS_BOOT_NORMAL_MODE boot userbin Espressif Systems Friday, Espressif Systems Friday,June12, flashsize flashflash map “2A-ESP8266 enum flash_size_map FLASH_SIZE_4M

22、_MAP_256_256=0, &8 CPU 8 CPU , : CPU bool8 8 freq : CPU frequency #defineSYS_CPU_80MHz 80#defineSYS_CPU_160MHztrue: false:SYS_BOOT_TEST_BIN Espressif Systems Espressif Espressif Systems Friday,June12,enumrst_reason= 0,/ normal startup byeron = 1,/ hardware watch dog reset/ exception reset, GPIO susw

23、ontchange = 2,/ software watch dog reset, GPIO suswontchange = 3,/ software restart ,system_restart , GPIO suswontchange = 4,= /wakeupfromdeep-structrst_info32 reason;/enumrst_reason 32 exccause;32323232enumflash_size_mapflash Espressif Systems Espressif Systems Friday,June12, C os_memcpy(void*des,v

24、oid*src,size_tvoid *des - size_tn- C -. 91, os_memset(voidch,size_tvoid *s - ch-size_tn-8os_memset(buffer,0,32structrst_info* fEspressif Systems fEspressif Systems Friday,June12, UART 0 IOT_Demo uart_init 1(void *)uart1_write_char) f UART 1 voidf(constcharconstchar*s-f(“SDK:%sn”, C os_strlen(charcha

25、r*s-char= , 8buffer4=os_memcpy(buffer,“abcd”, 1Espressif Systems 1Espressif Systems Friday,June12,void1(void(*p)(charvoid(*p)(char c) - IOT_Demouart_init 1(void*)uart1_write_char)os_prf T 1 os_prf T 0 65535 void1616us- p n voidos_bzero(void*p,size_tvoid *p - size_t n - SPI Flash SPI Flash Espressif

26、Systems Friday,June12, flashflash 4flash “Espressif IOT Flash flashflash “Espressif IOT Flash SpiFlashOpResultspi_flash_erase_sector1616 sec : 0 typedef spiflash 32spi_flash_get_idspiflash Espressif Espressif Systems Friday,June12, flashflash 4SpiFlashOpResultspi_flash_read( 32 src_addr,32*des_addr,

27、 32 size)32 src_addr: flash32 *des_addr: 32 typedef enum 32SpiFlashOpResultspi_flash_write( 32 des_addr,3232)32des_addr : flash32 *src_addr : 32 size: typedef Espressif Systems Espressif Systems Friday,June12, flash flash 4 flash 3 sector 4KB sector 1 sector sector 0 sector 1 sector 2 flag sector0 s

28、ector flashflash 4 flash 3 sector 4KB sector 1 sector sector 0 sector 1 sector 2 flag sector0 sectorflash “99A-SDK-Espressif IOT Flash RW HYPERLINK http:/viewtopic/ boolsystem_param_save_with_protect( 16 start_sec,void*param, 16 len)16start_sec : 3 sector sector0IOT_Demo 0 x3D000 3 sector3*4 start_s

29、ec 0 x3Dvoid *param : 16 len : 1 sector 4 * 8*addr=8 spi_flash_read(0 x3E*SPI_FLASH_SEC_SIZE,32*)addr,f(0 x3Esec:%02x%02x%02x%02xrn,addr0,addr1,addr2, Espressif Systems Espressif Systems Friday,June12, SPIflashread SPI overlap voidspi_flash_set_read_func(user_spi_flash_readuser_spi_flash_readread SP

30、IflashreadtypedefSpiFlashOpResultflash “99A-SDK-Espressif IOT Flash RW HYPERLINK http:/viewtopic/ boolsystem_param_load1616offset, void *param,16)16start_sec : 3 sector sector0sector1 sector2IOT_Demo 0 x3D000 3 sector3*4 start_sec 0 x3D 0 x3E 16offset : sector: 16: 1 sector offset+len # ion ion ion

31、“ flash ” flash Espressif Systems Friday,June12, flash WiFi8 wifi_get_opmode_default WiFi8wifi_get_opmode0 x01:ion0 x02:soft-AP0 x03:ion+soft-APSpiFlashChip*spi, 32 src_addr,32*des_addr, 32 size) Espressif Systems Espressif Systems Friday,June12, i sionP sion+soft-AP flashboolwifi_set_opmode_current

32、88opmode:WiFi0 x01: sion 0 x02: soft-AP 0 x03: s i sionP sion+soft-AP flash soft-AP esp_iot_sdk_v0.9.2 flash boolwifi_set_opmode88opmode:WiFi0 x01: sion 0 x02: soft-AP 0 x03: strue: false:0 x01:ion0 x02:soft-AP0 x03:ion+soft-AP Espressif Systems Friday,June Espressif Systems Friday,June12, WiFiion i

33、on wifi_sion_set_config user_init 6 sn ion_connect WiFiion flash boolion_get_config_default(struction_configstruction_config*config:WiFiion true: false: WiFiion boolion_get_config(struction_configstruction_config*config:WiFiion true: false:true: false: Espressif Systems Espressif Systems Friday,June

34、12, WiFiion ion _set 0 AP MAC AP flash boolion_set_config(struction_configstruction_config*config:WiFiion true: false:void32char password64 = PASSWORD; struct sion_config s_set=0; /neednotcheckMACaddressof, 32); ionConf.password,password,64); voidIONAP_MODE); /Set softAP + sionmode Espressif Systems

35、 Espressif Systems Friday,June12,ESP8266WiFiion AP user_init 6 sn ESP8266WiFiion user_init 6 sn 6 AP wifi_sion_disconnect boolion_connecttrue: false: ion_set_config_current user_init ion wifi_sion_connect ion_connect _set 0 AP MAC AP boolion_set_config_current(struction_configstruction_config*config

36、:WiFiion true: false: Espressif Systems Friday, Espressif Systems Friday,June12, AP user_init 6 sn boolion_scan(structscan_config*config,scan_done_cb_t ESP8266WiFiion AP8 usION_IDLE=boolion_disconnecttrue: false: Espressif Espressif Systems Friday,June12,ion_scan voidscan_done_cb_t(void*arg,USvoid *

37、arg: AP SUS sus: ion_scan(&config,ic void ICACHE_FLASH_ATTR scan_done(void *arg, SUS sus) if (sus = OK) structbss_info*bss_link=(structbss_info*)arg; bss_link = bss_link-next.stqe_next; /ignorestructscan_config8 /8 /APs8 /scanaspecific8show_hidden; /scanAPsofisstructscan_config*config: AP config=nul

38、l: AP config.=null & config.b=null&config.channel!=null: ESP8266 sion AP . config.!=null & config.b=null&config.channel=null: ESP8266ion AP scan_done_cb_tcb: true: false: Espressif Systems Friday, Espressif Systems Friday,June12,ESP8266ion AP boolion_ap_change8 8new_ap_id:AP id 0 ion AP 5 8 ion_get_

39、ap_info(struction_configstruction_configconfig:AP APstruction_configi = ion AP 6 sn P P d flash boolion_ap_number_set88 ap_number: AP ( true: false: Espressif Systems Friday,June Espressif Systems Friday,June12, ion AP user_init flash bool8 ion AP 8 AP Non-0: AP AP id ESP8266 AP 0 8 ion_get_current_

40、ap_id AP id true: false: Espressif Systems Espressif Systems Friday,June12, ESP8266ionDHCP1DHCP 2DHCP IPDHCP IP IP DHCP bool ESP8266ionDHCP1DHCP 2DHCP IP DHCP IP IP booltrue: false:8set: 0: AP1: true: false: Espressif Systems Friday,June Espressif Systems Friday,June12, ion AP ion AP user_initbool b

41、ool set - true, ESP8266ionDHCPntenumusenum dhcp_sus true: false: Espressif Systems Friday, Espressif Systems Friday,June12, ESP8266 WiFi soft-AP ion DHCP char* ion DHCP boolion_get_hostname(char*char*hostname 328 event); switch (evt-event) f(connect%s,channelevt-,f(disconnect%s,reasonevt-,f(mode:%d-

42、casef(ip:IPSTR,mask:IPSTR,gw:caseion:MACSTRjoin,AID=Espressif Systems Friday,June12, Espressif Systems Friday,June12,caseion: MACSTR leave, AID = %dn, void/TODO:addyourowncode Espressif Systems Friday,June12,8 system_upgrade_start spi_flash_write flash flagUPGRADE_FLAG_FINISH system_upgrade_reboot v

43、oid8 8 #defineUPGRADE_FLAG_IDLE 0 x00 #defineUPGRADE_FLAG_START 0 x01 #defineUPGRADE_FLAG_FINISH user8 0 x00:UPGRADE_FW_BIN1,i.e.0 x01:UPGRADE_FW_BIN2,i.e. Espressif Systems Espressif Systems Friday,June12,voidsystem_upgrade_rebootboolsystem_upgrade_start(structupgrade_server_infostruct upgrade_serv

44、er_info *server : true:false: #defineUPGRADE_FLAG_IDLE 0 x00 #defineUPGRADE_FLAG_START 0 x01 #defineUPGRADE_FLAG_FINISH Sniffer SnifferEspressif Systems Friday,June12, sniffer MACMAC sniffer sniffer sniffer MACvoidwifi_promiscuous_set_mac(const8_tconst8_t*address: MAC1 ESP8266 ion 26 sn P 3 ion_disc

45、onnect4 API wifi_promiscuous_enable(0 void8 8promiscuous: 0:1: EspressifSystems sniffer Espressif Systems Espressif Systems Friday,June12, boolwifi_set_channel88channel: true: false: 8 voidwifi_set_promiscuous_rx_cb(wifi_promiscuous_cb_twifi_promiscuous_cb_t cb : charap_mac6=0 x16,0 x34,0 x56,0 x78,

46、0 x90, smart config Espressif Systems Friday,June12, 6 sn 6 P d d 1 ion2smartconfig ESP8266 ion soft-AP3smartconfig_start smartconfig_start smartconfig_stop 4smartconfig API boolsmartconfig_start( sc_type type, sc_callback_t cb,8 )sc_typetype : :AirKiss ESP-TOUCH sc_callback_t cb : smartconfig sus g

47、 : us US_LINK void*pdata struction_config us US_LINK_OVER void *pdata IP 4 ESPTOUCH us void *pdata 8log:1:UART;:UARTtrue: false:sc_type voidusus,voidcaseus)case SC_Scasecase voidusus,voidcaseus)case SC_Scasecasesion_config*sta_conf=caseif(SC_Type=SC_TYPE_ESPTOUCH)u8phone_ip4=memcpy(phone_ip,8*)pdata

48、,f(Phoneip:= Espressif Systems Friday,June12, SNTP SNTPEspressif Systems Friday,June12, SNTP IP ip_addr_tsntp_getserver(unsignedcharunsignedcharidx : SNTP 3 SNTP0 IP SNTP 3 SNTP voidsntp_setserver(unsignedcharidx,ip_addr_tunsignedcharidx : SNTP 3 SNTP0201 2ip_addr_t *addr : IP SNTP smartconfig_start

49、 AP smartconfig_startbooltrue: false: Espressif Systems Espressif Systems Friday,June12,void SNTP sntp_setservername SNTPchar*sntp_getservername(unsignedcharunsignedcharidx : SNTP 3 SNTP0 SNTP 3 SNTP voidsntp_setservername(unsignedcharidx,charunsignedcharidx : SNTP 3 SNTP0201 2: SNTP IP Espressif Sy

50、stems Friday, Espressif Systems Friday,June12,GMT + char*sntp_get_real_time(longlong t - 1970.01.01 000000 GMT + 32void SNTP SNTPEspressif Systems Friday,June12,ip_addr_t *addr = (ip_addr_t *)os_zalloc(sizeof(ip_addr_t); sntp_setservername(0, ”us.pool.ntp.”); / set server 0 bysntp_setservername(1, ”

51、); / set server 1 byipaddr_aton(“4”, addr);sntp_setserver(2,addr);/setserver2byIPaddress 32= f(“sntp:%d,%s, boolsntp_set_timezone 8 8 timezone -11 if(true=sntp_set_timezone(-5) TCP/UDP : TCP TCP/UDP : TCP UDP TCP APIs: TCP UDP APIs: UDP mDNSAPIs: mDNS Espressif Systems Friday,June12,DNSTCP:espconn_a

52、ccept, UDP:espconn_create8espconn_delete(structespconnstruct espconn *espconn : : ESPCONN_ARG - espconn Espressif Espressif Systems Friday,June12, 32err_t espconn_gethostbyname( structespconn*pespconn, const char *hostname, ip_addr_t *addr, dns_found_callback found)struct espconn *espconn : const ch

53、ar *hostname: ip_addr_t *addr: IP dns_found_callback found : DNS err_t:ESPCONN_OK-ESPCONN_ISCONN - ESPCONN_ARG - espconn ip_addr_tLOCALvoiduser_esp_platform_dns_found(constchar*name,ip_addr_t*ipaddr,voidstruct espconn *pespconn = (struct espconn *)arg; f(user_esp_platform_dns_found%d.%d.%d.%d/n,8*)&

54、ipaddr-addr),8*)&ipaddr-addr+8*)&ipaddr-addr+2),8*)&ipaddr-addr+voiddns_test(void),&esp_server_ip, Espressif Systems Espressif Systems Friday,June12, espconn_regist_sentcb 8 espconn_regist_recvcb( struct espconn *espconn, espconn_recv_callbackrecv_cb)struct espconn *espconn : espconn_connect_callbac

55、k connect_cb : : ESPCONN_ARG - espconn 8 espconn_regist_sentcb( struct espconn *espconn, espconn_sent_callbacksent_cb)struct espconn *espconn : espconn_sent_callback sent_cb : : ESPCONN_ARG - espconn Espressif Systems Espressif Systems Friday,June12, WiFi espconn_sent_callback espconn_regist_recvcb

56、voidespconn_recv_callback( void *arg,char *pdata, unsignedshortlen)void*arg: espconn espconn remote_ip, remote_port char *pdata : unsigned short len : voidespconn_sent_callback(voidvoid *arg : espconn espconn remote_ip, remote_port TCPTCP TCP TCPTCP TCP Espressif Systems Friday,June12, SSLTCPserver

57、SSL TCP8espconn_accept(structespconnstruct espconn *espconn : : ESPCONN_ARG- espconn TCPESPCONN_MEM - ESPCONN_ISCONN - 8 structespconn*espconn, 8 *psent,16)struct espconn *espconn : 8:16length : ESPCONN_ARG - espconn ESPCONN_MEM - Espressif Espressif Systems Friday,June12, espconn_accept 06 P r P cn

58、t8 structespconn*espconn, 8 )struct espconn *espconn : erval : 7200 8 type_flag : 0 TCP 1 TCP ) L server L cnt(2) SSL espconn_secure_set_sizeESP8266SSL (3) SSL TCP SSL 8espconn_secure_accept(structespconnstruct espconn *espconn : : ESPCONN_ARG- espconn TCPESPCONN_MEM - ESPCONN_ISCONN - Espressif Sys

59、tems Espressif Systems Friday,June12, TCPserver(ESP8266 TCP8espconn_connect(structespconnstruct espconn *espconn : : ESPCONN_ARG- espconn TCPESPCONN_MEM - ESPCONN_ISCONN - ESPCONN_RTE - P 6 P r P ct 8espconn_get_connection_info( struct espconn *espconn, remot_info *pcon_info,8 )struct espconn *espco

60、nn : remot_info*pcon_info :connecttont8 :0,regularserver;1,ssl: ESPCONN_ARG - espconn TCP : ESPCONN_ARG - espconn TCP Espressif Espressif Systems Friday,June12, TCP espconn_regist_connectcb ESP8266 server TCP cnt ESP8266 TCP cnt TCP server voidespconn_connect_callback(voidvoid *arg : espconn espconn