initial commit

.gitignore

@@ -0,0 +1,3 @@
+*.swp
+firmware/*
+build/*

Makefile

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+# tnx to mamalala
+# Changelog
+# Changed the variables to include the header file directory
+# Added global var for the XTENSA tool root
+#
+# This make file still needs some work.
+#
+#
+# Output directors to store intermediate compiled files
+# relative to the project directory
+BUILD_BASE	= build
+FW_BASE		= firmware
+
+# Base directory for the compiler
+#XTENSA_TOOLS_ROOT ?= /opt/Espressif/crosstool-NG/builds/xtensa-lx106-elf/bin
+XTENSA_TOOLS_ROOT ?= /home/main/esp8266/esp-open-sdk/xtensa-lx106-elf/bin
+
+# base directory of the ESP8266 SDK package, absolute
+#SDK_BASE	?= /opt/Espressif/ESP8266_SDK
+SDK_BASE	?= /home/main/esp8266/esp-open-sdk/sdk
+
+#Esptool.py path and port
+ESPTOOL		?= /home/main/esp8266/esp-open-sdk/esptool/esptool.py
+ESPPORT		?= /dev/ttyUSB0
+
+# name for the target project
+TARGET		= app
+
+# which modules (subdirectories) of the project to include in compiling
+MODULES		= driver user softuart
+EXTRA_INCDIR    = include /opt/Espressif/include
+
+# libraries used in this project, mainly provided by the SDK
+LIBS		= c gcc hal pp phy net80211 lwip wpa main
+
+# compiler flags using during compilation of source files
+CFLAGS		= -Os -g -O2 -Wpointer-arith -Wundef -Werror -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals  -D__ets__ -DICACHE_FLASH
+
+# linker flags used to generate the main object file
+LDFLAGS		= -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static
+
+# linker script used for the above linkier step
+LD_SCRIPT	= eagle.app.v6.ld
+
+# various paths from the SDK used in this project
+SDK_LIBDIR	= lib
+SDK_LDDIR	= ld
+SDK_INCDIR	= include include/json
+
+# we create two different files for uploading into the flash
+# these are the names and options to generate them
+FW_FILE_1	= 0x00000
+FW_FILE_1_ARGS	= -bo $@ -bs .text -bs .data -bs .rodata -bc -ec
+FW_FILE_2	= 0x40000
+FW_FILE_2_ARGS	= -es .irom0.text $@ -ec
+
+# select which tools to use as compiler, librarian and linker
+CC		:= $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
+AR		:= $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-ar
+LD		:= $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
+
+
+
+####
+#### no user configurable options below here
+####
+SRC_DIR		:= $(MODULES)
+BUILD_DIR	:= $(addprefix $(BUILD_BASE)/,$(MODULES))
+
+SDK_LIBDIR	:= $(addprefix $(SDK_BASE)/,$(SDK_LIBDIR))
+SDK_INCDIR	:= $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
+
+SRC		:= $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
+OBJ		:= $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
+LIBS		:= $(addprefix -l,$(LIBS))
+APP_AR		:= $(addprefix $(BUILD_BASE)/,$(TARGET)_app.a)
+TARGET_OUT	:= $(addprefix $(BUILD_BASE)/,$(TARGET).out)
+
+LD_SCRIPT	:= $(addprefix -T$(SDK_BASE)/$(SDK_LDDIR)/,$(LD_SCRIPT))
+
+INCDIR	:= $(addprefix -I,$(SRC_DIR))
+EXTRA_INCDIR	:= $(addprefix -I,$(EXTRA_INCDIR))
+MODULE_INCDIR	:= $(addsuffix /include,$(INCDIR))
+
+FW_FILE_1	:= $(addprefix $(FW_BASE)/,$(FW_FILE_1).bin)
+FW_FILE_2	:= $(addprefix $(FW_BASE)/,$(FW_FILE_2).bin)
+
+V ?= $(VERBOSE)
+ifeq ("$(V)","1")
+Q :=
+vecho := @true
+else
+Q := @
+vecho := @echo
+endif
+
+vpath %.c $(SRC_DIR)
+
+define compile-objects
+$1/%.o: %.c
+	$(vecho) "CC $$<"
+	$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS)  -c $$< -o $$@
+endef
+
+.PHONY: all checkdirs flash clean
+
+all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2)
+
+$(FW_FILE_1): $(TARGET_OUT)
+		$(vecho) "FW $@"
+			$(ESPTOOL) elf2image $< -o $(FW_BASE)/
+
+$(FW_FILE_2): $(TARGET_OUT)
+		$(vecho) "FW $@"
+			$(ESPTOOL) elf2image $< -o $(FW_BASE)/
+
+$(TARGET_OUT): $(APP_AR)
+	$(vecho) "LD $@"
+	$(Q) $(LD) -L$(SDK_LIBDIR) $(LD_SCRIPT) $(LDFLAGS) -Wl,--start-group $(LIBS) $(APP_AR) -Wl,--end-group -o $@
+
+$(APP_AR): $(OBJ)
+	$(vecho) "AR $@"
+	$(Q) $(AR) cru $@ $^
+
+checkdirs: $(BUILD_DIR) $(FW_BASE)
+
+$(BUILD_DIR):
+	$(Q) mkdir -p $@
+
+firmware:
+	$(Q) mkdir -p $@
+
+flash: firmware/0x00000.bin firmware/0x40000.bin
+	-$(ESPTOOL) --baud 115200 --port $(ESPPORT) write_flash 0x00000 firmware/0x00000.bin 0x40000 firmware/0x40000.bin
+
+clean:
+	$(Q) rm -f $(APP_AR)
+	$(Q) rm -f $(TARGET_OUT)
+	$(Q) rm -rf $(BUILD_DIR)
+	$(Q) rm -rf $(BUILD_BASE)
+
+
+	$(Q) rm -f $(FW_FILE_1)
+	$(Q) rm -f $(FW_FILE_2)
+	$(Q) rm -rf $(FW_BASE)
+
+$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))

softuart/include/softuart.h

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+#ifndef SOFTUART_H_
+#define SOFTUART_H_
+
+#include "user_interface.h"
+
+#define SOFTUART_MAX_RX_BUFF 64 
+
+#define SOFTUART_GPIO_COUNT 16
+
+typedef struct softuart_pin_t {
+	uint8_t gpio_id;
+	uint32_t gpio_mux_name;
+	uint8_t gpio_func;
+} softuart_pin_t;
+
+typedef struct softuart_buffer_t {
+	char receive_buffer[SOFTUART_MAX_RX_BUFF]; 
+	uint8_t receive_buffer_tail;
+	uint8_t receive_buffer_head;
+	uint8_t buffer_overflow; 
+} softuart_buffer_t;
+
+typedef struct {
+	softuart_pin_t pin_rx;
+	softuart_pin_t pin_tx;
+	volatile softuart_buffer_t buffer;
+	uint16_t bit_time;
+} Softuart;
+
+
+BOOL Softuart_Available(Softuart *s);
+void Softuart_Intr_Handler(Softuart *s);
+
+
+//define mapping from pin to functio mode
+typedef struct {
+	uint32_t gpio_mux_name;
+	uint8_t gpio_func;
+} softuart_reg_t;
+
+#endif /* SOFTUART_H_ */