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zaryazarya
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Merge pull request #10 from AndiceLabs/master
An example for connecting to dweet.io and sending some "thing" data
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‎dweet/Makefile

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# Makefile for ESP8266 projects
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#
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# Thanks to:
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# - zarya
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# - Jeroen Domburg (Sprite_tm)
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# - Christian Klippel (mamalala)
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# - Tommie Gannert (tommie)
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#
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# Changelog:
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# - 2014-10-06: Changed the variables to include the header file directory
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# - 2014-10-06: Added global var for the Xtensa tool root
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# - 2014-11-23: Updated for SDK 0.9.3
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# - 2014-12-25: Replaced esptool by esptool.py
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# Output directors to store intermediate compiled files
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# relative to the project directory
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BUILD_BASE = build
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FW_BASE = firmware
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# base directory for the compiler
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XTENSA_TOOLS_ROOT ?= /home/rbattles/nas/work/esp-open-sdk/xtensa-lx106-elf/bin
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# base directory of the ESP8266 SDK package, absolute
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SDK_BASE ?= /home/rbattles/nas/work/esp-open-sdk/esp_iot_sdk_v1.2.0
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# esptool.py path and port
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ESPTOOL ?= esptool.py
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ESPPORT ?= /dev/ttyUSB0
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# name for the target project
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TARGET = dweet
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# which modules (subdirectories) of the project to include in compiling
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MODULES = driver user
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EXTRA_INCDIR = include
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# libraries used in this project, mainly provided by the SDK
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LIBS = c gcc hal pp phy net80211 lwip wpa main
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# compiler flags using during compilation of source files
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CFLAGS = -Os -g -O2 -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH
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# linker flags used to generate the main object file
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LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static
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# linker script used for the above linkier step
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LD_SCRIPT = eagle.app.v6.ld
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# various paths from the SDK used in this project
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SDK_LIBDIR = lib
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SDK_LDDIR = ld
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SDK_INCDIR = include include/json
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# we create two different files for uploading into the flash
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# these are the names and options to generate them
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FW_FILE_1_ADDR = 0x00000
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FW_FILE_2_ADDR = 0x40000
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# select which tools to use as compiler, librarian and linker
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CC := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
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AR := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-ar
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LD := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
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####
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#### no user configurable options below here
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####
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SRC_DIR := $(MODULES)
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BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES))
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SDK_LIBDIR := $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR))
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SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
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SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
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OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
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LIBS := $(addprefix -l,$(LIBS))
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APP_AR := $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a)
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TARGET_OUT := $(addprefix $(BUILD_BASE)/,$(TARGET).out)
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LD_SCRIPT := $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
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INCDIR := $(addprefix -I,$(SRC_DIR))
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EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR))
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MODULE_INCDIR := $(addsuffix /include,$(INCDIR))
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FW_FILE_1 := $(addprefix $(FW_BASE)/,$(FW_FILE_1_ADDR).bin)
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FW_FILE_2 := $(addprefix $(FW_BASE)/,$(FW_FILE_2_ADDR).bin)
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V ?= $(VERBOSE)
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ifeq ("$(V)","1")
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Q :=
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vecho := @true
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else
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Q := @
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vecho := @echo
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endif
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vpath %.c $(SRC_DIR)
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define compile-objects
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$1/%.o: %.c
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$(vecho) "CC $$<"
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$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@
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endef
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.PHONY: all checkdirs flash clean
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all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2)
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$(FW_BASE)/%.bin: $(TARGET_OUT) | $(FW_BASE)
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$(vecho) "FW $(FW_BASE)/"
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$(Q) $(ESPTOOL) elf2image -o $(FW_BASE)/ $(TARGET_OUT)
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$(TARGET_OUT): $(APP_AR)
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$(vecho) "LD $@"
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$(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@
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$(APP_AR): $(OBJ)
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$(vecho) "AR $@"
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$(Q) $(AR) cru $@ $^
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checkdirs: $(BUILD_DIR) $(FW_BASE)
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$(BUILD_DIR):
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$(Q) mkdir -p $@
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$(FW_BASE):
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$(Q) mkdir -p $@
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flash: $(FW_FILE_1) $(FW_FILE_2)
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$(ESPTOOL) --port $(ESPPORT) write_flash $(FW_FILE_1_ADDR) $(FW_FILE_1) $(FW_FILE_2_ADDR) $(FW_FILE_2)
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clean:
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$(Q) rm -rf $(FW_BASE) $(BUILD_BASE)
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$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))

‎dweet/user/user_config.h

Whitespace-only changes.

‎dweet/user/user_main.c

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#include "ets_sys.h"
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#include "osapi.h"
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#include "gpio.h"
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#include "os_type.h"
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#include "ip_addr.h"
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#include "espconn.h"
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#include "user_interface.h"
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#include "user_config.h"
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struct espconn dweet_conn;
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ip_addr_t dweet_ip;
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esp_tcp dweet_tcp;
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char dweet_host[] = "dweet.io";
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char dweet_path[] = "/dweet/for/eccd882c-33d0-11e5-96b7-10bf4884d1f9";
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char json_data[ 256 ];
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char buffer[ 2048 ];
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void user_rf_pre_init( void )
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{
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}
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void data_received( void *arg, char *pdata, unsigned short len )
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{
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struct espconn *conn = arg;
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os_printf( "%s: %s\n", __FUNCTION__, pdata );
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espconn_disconnect( conn );
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}
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void tcp_connected( void *arg )
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{
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int temperature = 55; // test data
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struct espconn *conn = arg;
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os_printf( "%s\n", __FUNCTION__ );
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espconn_regist_recvcb( conn, data_received );
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os_sprintf( json_data, "{\"temperature\": \"%d\" }", temperature );
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os_sprintf( buffer, "POST %s HTTP/1.1\r\nHost: %s\r\nConnection: close\r\nContent-Type: application/json\r\nContent-Length: %d\r\n\r\n%s",
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dweet_path, dweet_host, os_strlen( json_data ), json_data );
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os_printf( "Sending: %s\n", buffer );
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espconn_sent( conn, buffer, os_strlen( buffer ) );
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}
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void tcp_disconnected( void *arg )
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{
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struct espconn *conn = arg;
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os_printf( "%s\n", __FUNCTION__ );
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wifi_station_disconnect();
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}
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void dns_done( const char *name, ip_addr_t *ipaddr, void *arg )
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{
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struct espconn *conn = arg;
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os_printf( "%s\n", __FUNCTION__ );
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if ( ipaddr == NULL)
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{
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os_printf("DNS lookup failed\n");
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wifi_station_disconnect();
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}
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else
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{
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os_printf("Connecting...\n" );
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conn->type = ESPCONN_TCP;
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conn->state = ESPCONN_NONE;
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conn->proto.tcp=&dweet_tcp;
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conn->proto.tcp->local_port = espconn_port();
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conn->proto.tcp->remote_port = 80;
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os_memcpy( conn->proto.tcp->remote_ip, &ipaddr->addr, 4 );
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espconn_regist_connectcb( conn, tcp_connected );
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espconn_regist_disconcb( conn, tcp_disconnected );
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espconn_connect( conn );
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}
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}
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void wifi_callback( System_Event_t *evt )
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{
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os_printf( "%s: %d\n", __FUNCTION__, evt->event );
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switch ( evt->event )
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{
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case EVENT_STAMODE_CONNECTED:
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{
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os_printf("connect to ssid %s, channel %d\n",
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evt->event_info.connected.ssid,
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evt->event_info.connected.channel);
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break;
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}
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case EVENT_STAMODE_DISCONNECTED:
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{
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os_printf("disconnect from ssid %s, reason %d\n",
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evt->event_info.disconnected.ssid,
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evt->event_info.disconnected.reason);
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deep_sleep_set_option( 0 );
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system_deep_sleep( 60 * 1000 * 1000 ); // 60 seconds
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break;
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}
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case EVENT_STAMODE_GOT_IP:
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{
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os_printf("ip:" IPSTR ",mask:" IPSTR ",gw:" IPSTR,
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IP2STR(&evt->event_info.got_ip.ip),
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IP2STR(&evt->event_info.got_ip.mask),
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IP2STR(&evt->event_info.got_ip.gw));
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os_printf("\n");
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espconn_gethostbyname( &dweet_conn, dweet_host, &dweet_ip, dns_done );
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break;
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}
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default:
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{
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break;
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}
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}
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}
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void user_init( void )
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{
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static struct station_config config;
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uart_div_modify( 0, UART_CLK_FREQ / ( 115200 ) );
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os_printf( "%s\n", __FUNCTION__ );
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wifi_station_set_hostname( "dweet" );
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wifi_set_opmode_current( STATION_MODE );
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gpio_init();
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config.bssid_set = 0;
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os_memcpy( &config.ssid, "AndiceLabs", 32 );
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os_memcpy( &config.password, "password", 64 );
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wifi_station_set_config( &config );
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wifi_set_event_handler_cb( wifi_callback );
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}
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