Ting, a webserver example - first commit

v0.9.0
Jeroen Domburg 10 years ago
commit b736d77abb
  1. 148
      Makefile
  2. 44
      driver/Makefile
  3. 247
      driver/uart.c
  4. 101
      include/driver/uart.h
  5. 128
      include/driver/uart_register.h
  6. 1
      include/user_config.h
  7. 201
      user/httpd.c
  8. 1
      user/httpd.h
  9. 18
      user/io.c
  10. 2
      user/io.h
  11. 15
      user/user_main.c

@ -0,0 +1,148 @@
# 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
# base directory of the ESP8266 SDK package, absolute
SDK_BASE ?= /opt/Espressif/ESP8266_SDK
#Esptool.py path and port
ESPTOOL ?= esptool.py
ESPPORT ?= /dev/ttyUSB0
# name for the target project
TARGET = ting
# which modules (subdirectories) of the project to include in compiling
MODULES = driver user
EXTRA_INCDIR = include ../../esp_iot_sdk_novm_unpacked/usr/xtensa/XtDevTools/install/builds/RC-2010.1-win32/lx106/xtensa-elf/include/
# libraries used in this project, mainly provided by the SDK
LIBS = c gcc hal 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
####
FW_TOOL ?= /usr/bin/esptool
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 clean
all: checkdirs $(TARGET_OUT) $(FW_FILE_1) $(FW_FILE_2)
$(FW_FILE_1): $(TARGET_OUT)
$(vecho) "FW $@"
$(Q) $(FW_TOOL) -eo $(TARGET_OUT) $(FW_FILE_1_ARGS)
$(FW_FILE_2): $(TARGET_OUT)
$(vecho) "FW $@"
$(Q) $(FW_TOOL) -eo $(TARGET_OUT) $(FW_FILE_2_ARGS)
$(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) --port $(ESPPORT) write_flash 0x00000 firmware/0x00000.bin
sleep 3
-$(ESPTOOL) --port $(ESPPORT) write_flash 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))))

@ -0,0 +1,44 @@
#############################################################
# Required variables for each makefile
# Discard this section from all parent makefiles
# Expected variables (with automatic defaults):
# CSRCS (all "C" files in the dir)
# SUBDIRS (all subdirs with a Makefile)
# GEN_LIBS - list of libs to be generated ()
# GEN_IMAGES - list of images to be generated ()
# COMPONENTS_xxx - a list of libs/objs in the form
# subdir/lib to be extracted and rolled up into
# a generated lib/image xxx.a ()
#
ifndef PDIR
GEN_LIBS = libdriver.a
endif
#############################################################
# Configuration i.e. compile options etc.
# Target specific stuff (defines etc.) goes in here!
# Generally values applying to a tree are captured in the
# makefile at its root level - these are then overridden
# for a subtree within the makefile rooted therein
#
#DEFINES +=
#############################################################
# Recursion Magic - Don't touch this!!
#
# Each subtree potentially has an include directory
# corresponding to the common APIs applicable to modules
# rooted at that subtree. Accordingly, the INCLUDE PATH
# of a module can only contain the include directories up
# its parent path, and not its siblings
#
# Required for each makefile to inherit from the parent
#
INCLUDES := $(INCLUDES) -I $(PDIR)include
INCLUDES += -I ./
PDIR := ../$(PDIR)
sinclude $(PDIR)Makefile

@ -0,0 +1,247 @@
/******************************************************************************
* Copyright 2013-2014 Espressif Systems (Wuxi)
*
* FileName: uart.c
*
* Description: Two UART mode configration and interrupt handler.
* Check your hardware connection while use this mode.
*
* Modification history:
* 2014/3/12, v1.0 create this file.
*******************************************************************************/
#include "ets_sys.h"
#include "osapi.h"
#include "driver/uart.h"
#include "driver/uart_register.h"
//#include "ssc.h"
//#include "at.h"
// UartDev is defined and initialized in rom code.
extern UartDevice UartDev;
//extern os_event_t at_recvTaskQueue[at_recvTaskQueueLen];
LOCAL void uart0_rx_intr_handler(void *para);
/******************************************************************************
* FunctionName : uart_config
* Description : Internal used function
* UART0 used for data TX/RX, RX buffer size is 0x100, interrupt enabled
* UART1 just used for debug output
* Parameters : uart_no, use UART0 or UART1 defined ahead
* Returns : NONE
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
uart_config(uint8 uart_no)
{
if (uart_no == UART1)
{
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_U1TXD_BK);
}
else
{
/* rcv_buff size if 0x100 */
ETS_UART_INTR_ATTACH(uart0_rx_intr_handler, &(UartDev.rcv_buff));
PIN_PULLUP_DIS(PERIPHS_IO_MUX_U0TXD_U);
PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD);
// PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTDO_U, FUNC_U0RTS);
}
uart_div_modify(uart_no, UART_CLK_FREQ / (UartDev.baut_rate));
WRITE_PERI_REG(UART_CONF0(uart_no), UartDev.exist_parity
| UartDev.parity
| (UartDev.stop_bits << UART_STOP_BIT_NUM_S)
| (UartDev.data_bits << UART_BIT_NUM_S));
//clear rx and tx fifo,not ready
SET_PERI_REG_MASK(UART_CONF0(uart_no), UART_RXFIFO_RST | UART_TXFIFO_RST);
CLEAR_PERI_REG_MASK(UART_CONF0(uart_no), UART_RXFIFO_RST | UART_TXFIFO_RST);
//set rx fifo trigger
// WRITE_PERI_REG(UART_CONF1(uart_no),
// ((UartDev.rcv_buff.TrigLvl & UART_RXFIFO_FULL_THRHD) << UART_RXFIFO_FULL_THRHD_S) |
// ((96 & UART_TXFIFO_EMPTY_THRHD) << UART_TXFIFO_EMPTY_THRHD_S) |
// UART_RX_FLOW_EN);
if (uart_no == UART0)
{
//set rx fifo trigger
WRITE_PERI_REG(UART_CONF1(uart_no),
((0x01 & UART_RXFIFO_FULL_THRHD) << UART_RXFIFO_FULL_THRHD_S) |
((0x01 & UART_RX_FLOW_THRHD) << UART_RX_FLOW_THRHD_S) |
UART_RX_FLOW_EN);
}
else
{
WRITE_PERI_REG(UART_CONF1(uart_no),
((UartDev.rcv_buff.TrigLvl & UART_RXFIFO_FULL_THRHD) << UART_RXFIFO_FULL_THRHD_S));
}
//clear all interrupt
WRITE_PERI_REG(UART_INT_CLR(uart_no), 0xffff);
//enable rx_interrupt
SET_PERI_REG_MASK(UART_INT_ENA(uart_no), UART_RXFIFO_FULL_INT_ENA);
}
/******************************************************************************
* FunctionName : uart1_tx_one_char
* Description : Internal used function
* Use uart1 interface to transfer one char
* Parameters : uint8 TxChar - character to tx
* Returns : OK
*******************************************************************************/
LOCAL STATUS
uart_tx_one_char(uint8 uart, uint8 TxChar)
{
while (true)
{
uint32 fifo_cnt = READ_PERI_REG(UART_STATUS(uart)) & (UART_TXFIFO_CNT<<UART_TXFIFO_CNT_S);
if ((fifo_cnt >> UART_TXFIFO_CNT_S & UART_TXFIFO_CNT) < 126) {
break;
}
}
WRITE_PERI_REG(UART_FIFO(uart) , TxChar);
return OK;
}
/******************************************************************************
* FunctionName : uart1_write_char
* Description : Internal used function
* Do some special deal while tx char is '\r' or '\n'
* Parameters : char c - character to tx
* Returns : NONE
*******************************************************************************/
LOCAL void ICACHE_FLASH_ATTR
uart0_write_char(char c)
{
if (c == '\n')
{
uart_tx_one_char(UART0, '\r');
uart_tx_one_char(UART0, '\n');
}
else if (c == '\r')
{
}
else
{
uart_tx_one_char(UART0, c);
}
}
/******************************************************************************
* FunctionName : uart0_tx_buffer
* Description : use uart0 to transfer buffer
* Parameters : uint8 *buf - point to send buffer
* uint16 len - buffer len
* Returns :
*******************************************************************************/
void ICACHE_FLASH_ATTR
uart0_tx_buffer(uint8 *buf, uint16 len)
{
uint16 i;
for (i = 0; i < len; i++)
{
uart_tx_one_char(UART0, buf[i]);
}
}
/******************************************************************************
* FunctionName : uart0_sendStr
* Description : use uart0 to transfer buffer
* Parameters : uint8 *buf - point to send buffer
* uint16 len - buffer len
* Returns :
*******************************************************************************/
void ICACHE_FLASH_ATTR
uart0_sendStr(const char *str)
{
while(*str)
{
uart_tx_one_char(UART0, *str++);
}
}
/******************************************************************************
* FunctionName : uart0_rx_intr_handler
* Description : Internal used function
* UART0 interrupt handler, add self handle code inside
* Parameters : void *para - point to ETS_UART_INTR_ATTACH's arg
* Returns : NONE
*******************************************************************************/
//extern void at_recvTask(void);
LOCAL void
uart0_rx_intr_handler(void *para)
{
/* uart0 and uart1 intr combine togther, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
* uart1 and uart0 respectively
*/
// RcvMsgBuff *pRxBuff = (RcvMsgBuff *)para;
// uint8 RcvChar;
uint8 uart_no = UART0;//UartDev.buff_uart_no;
// if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(uart_no)) & UART_RXFIFO_FULL_INT_ST))
// {
// return;
// }
if (UART_RXFIFO_FULL_INT_ST == (READ_PERI_REG(UART_INT_ST(uart_no)) & UART_RXFIFO_FULL_INT_ST))
{
// at_recvTask();
WRITE_PERI_REG(UART_INT_CLR(uart_no), UART_RXFIFO_FULL_INT_CLR);
}
// WRITE_PERI_REG(UART_INT_CLR(uart_no), UART_RXFIFO_FULL_INT_CLR);
// if (READ_PERI_REG(UART_STATUS(uart_no)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
// {
// RcvChar = READ_PERI_REG(UART_FIFO(uart_no)) & 0xFF;
// at_recvTask();
// *(pRxBuff->pWritePos) = RcvChar;
// system_os_post(at_recvTaskPrio, NULL, RcvChar);
// //insert here for get one command line from uart
// if (RcvChar == '\r')
// {
// pRxBuff->BuffState = WRITE_OVER;
// }
//
// pRxBuff->pWritePos++;
//
// if (pRxBuff->pWritePos == (pRxBuff->pRcvMsgBuff + RX_BUFF_SIZE))
// {
// // overflow ...we may need more error handle here.
// pRxBuff->pWritePos = pRxBuff->pRcvMsgBuff ;
// }
// }
}
/******************************************************************************
* FunctionName : uart_init
* Description : user interface for init uart
* Parameters : UartBautRate uart0_br - uart0 bautrate
* UartBautRate uart1_br - uart1 bautrate
* Returns : NONE
*******************************************************************************/
void ICACHE_FLASH_ATTR
uart_init(UartBautRate uart0_br, UartBautRate uart1_br)
{
// rom use 74880 baut_rate, here reinitialize
UartDev.baut_rate = uart0_br;
uart_config(UART0);
UartDev.baut_rate = uart1_br;
uart_config(UART1);
ETS_UART_INTR_ENABLE();
// install uart0 putc callback
os_install_putc1((void *)uart0_write_char);
}
void ICACHE_FLASH_ATTR
uart_reattach()
{
uart_init(BIT_RATE_74880, BIT_RATE_74880);
// ETS_UART_INTR_ATTACH(uart_rx_intr_handler_ssc, &(UartDev.rcv_buff));
// ETS_UART_INTR_ENABLE();
}

@ -0,0 +1,101 @@
#ifndef UART_APP_H
#define UART_APP_H
#include "uart_register.h"
#include "eagle_soc.h"
#include "c_types.h"
#define RX_BUFF_SIZE 256
#define TX_BUFF_SIZE 100
#define UART0 0
#define UART1 1
typedef enum {
FIVE_BITS = 0x0,
SIX_BITS = 0x1,
SEVEN_BITS = 0x2,
EIGHT_BITS = 0x3
} UartBitsNum4Char;
typedef enum {
ONE_STOP_BIT = 0,
ONE_HALF_STOP_BIT = BIT2,
TWO_STOP_BIT = BIT2
} UartStopBitsNum;
typedef enum {
NONE_BITS = 0,
ODD_BITS = 0,
EVEN_BITS = BIT4
} UartParityMode;
typedef enum {
STICK_PARITY_DIS = 0,
STICK_PARITY_EN = BIT3 | BIT5
} UartExistParity;
typedef enum {
BIT_RATE_9600 = 9600,
BIT_RATE_19200 = 19200,
BIT_RATE_38400 = 38400,
BIT_RATE_57600 = 57600,
BIT_RATE_74880 = 74880,
BIT_RATE_115200 = 115200,
BIT_RATE_230400 = 230400,
BIT_RATE_460800 = 460800,
BIT_RATE_921600 = 921600
} UartBautRate;
typedef enum {
NONE_CTRL,
HARDWARE_CTRL,
XON_XOFF_CTRL
} UartFlowCtrl;
typedef enum {
EMPTY,
UNDER_WRITE,
WRITE_OVER
} RcvMsgBuffState;
typedef struct {
uint32 RcvBuffSize;
uint8 *pRcvMsgBuff;
uint8 *pWritePos;
uint8 *pReadPos;
uint8 TrigLvl; //JLU: may need to pad
RcvMsgBuffState BuffState;
} RcvMsgBuff;
typedef struct {
uint32 TrxBuffSize;
uint8 *pTrxBuff;
} TrxMsgBuff;
typedef enum {
BAUD_RATE_DET,
WAIT_SYNC_FRM,
SRCH_MSG_HEAD,
RCV_MSG_BODY,
RCV_ESC_CHAR,
} RcvMsgState;
typedef struct {
UartBautRate baut_rate;
UartBitsNum4Char data_bits;
UartExistParity exist_parity;
UartParityMode parity; // chip size in byte
UartStopBitsNum stop_bits;
UartFlowCtrl flow_ctrl;
RcvMsgBuff rcv_buff;
TrxMsgBuff trx_buff;
RcvMsgState rcv_state;
int received;
int buff_uart_no; //indicate which uart use tx/rx buffer
} UartDevice;
void uart_init(UartBautRate uart0_br, UartBautRate uart1_br);
void uart0_sendStr(const char *str);
#endif

@ -0,0 +1,128 @@
//Generated at 2012-07-03 18:44:06
/*
* Copyright (c) 2010 - 2011 Espressif System
*
*/
#ifndef UART_REGISTER_H_INCLUDED
#define UART_REGISTER_H_INCLUDED
#define REG_UART_BASE( i ) (0x60000000+(i)*0xf00)
//version value:32'h062000
#define UART_FIFO( i ) (REG_UART_BASE( i ) + 0x0)
#define UART_RXFIFO_RD_BYTE 0x000000FF
#define UART_RXFIFO_RD_BYTE_S 0
#define UART_INT_RAW( i ) (REG_UART_BASE( i ) + 0x4)
#define UART_RXFIFO_TOUT_INT_RAW (BIT(8))
#define UART_BRK_DET_INT_RAW (BIT(7))
#define UART_CTS_CHG_INT_RAW (BIT(6))
#define UART_DSR_CHG_INT_RAW (BIT(5))
#define UART_RXFIFO_OVF_INT_RAW (BIT(4))
#define UART_FRM_ERR_INT_RAW (BIT(3))
#define UART_PARITY_ERR_INT_RAW (BIT(2))
#define UART_TXFIFO_EMPTY_INT_RAW (BIT(1))
#define UART_RXFIFO_FULL_INT_RAW (BIT(0))
#define UART_INT_ST( i ) (REG_UART_BASE( i ) + 0x8)
#define UART_RXFIFO_TOUT_INT_ST (BIT(8))
#define UART_BRK_DET_INT_ST (BIT(7))
#define UART_CTS_CHG_INT_ST (BIT(6))
#define UART_DSR_CHG_INT_ST (BIT(5))
#define UART_RXFIFO_OVF_INT_ST (BIT(4))
#define UART_FRM_ERR_INT_ST (BIT(3))
#define UART_PARITY_ERR_INT_ST (BIT(2))
#define UART_TXFIFO_EMPTY_INT_ST (BIT(1))
#define UART_RXFIFO_FULL_INT_ST (BIT(0))
#define UART_INT_ENA( i ) (REG_UART_BASE( i ) + 0xC)
#define UART_RXFIFO_TOUT_INT_ENA (BIT(8))
#define UART_BRK_DET_INT_ENA (BIT(7))
#define UART_CTS_CHG_INT_ENA (BIT(6))
#define UART_DSR_CHG_INT_ENA (BIT(5))
#define UART_RXFIFO_OVF_INT_ENA (BIT(4))
#define UART_FRM_ERR_INT_ENA (BIT(3))
#define UART_PARITY_ERR_INT_ENA (BIT(2))
#define UART_TXFIFO_EMPTY_INT_ENA (BIT(1))
#define UART_RXFIFO_FULL_INT_ENA (BIT(0))
#define UART_INT_CLR( i ) (REG_UART_BASE( i ) + 0x10)
#define UART_RXFIFO_TOUT_INT_CLR (BIT(8))
#define UART_BRK_DET_INT_CLR (BIT(7))
#define UART_CTS_CHG_INT_CLR (BIT(6))
#define UART_DSR_CHG_INT_CLR (BIT(5))
#define UART_RXFIFO_OVF_INT_CLR (BIT(4))
#define UART_FRM_ERR_INT_CLR (BIT(3))
#define UART_PARITY_ERR_INT_CLR (BIT(2))
#define UART_TXFIFO_EMPTY_INT_CLR (BIT(1))
#define UART_RXFIFO_FULL_INT_CLR (BIT(0))
#define UART_CLKDIV( i ) (REG_UART_BASE( i ) + 0x14)
#define UART_CLKDIV_CNT 0x000FFFFF
#define UART_CLKDIV_S 0
#define UART_AUTOBAUD( i ) (REG_UART_BASE( i ) + 0x18)
#define UART_GLITCH_FILT 0x000000FF
#define UART_GLITCH_FILT_S 8
#define UART_AUTOBAUD_EN (BIT(0))
#define UART_STATUS( i ) (REG_UART_BASE( i ) + 0x1C)
#define UART_TXD (BIT(31))
#define UART_RTSN (BIT(30))
#define UART_DTRN (BIT(29))
#define UART_TXFIFO_CNT 0x000000FF
#define UART_TXFIFO_CNT_S 16
#define UART_RXD (BIT(15))
#define UART_CTSN (BIT(14))
#define UART_DSRN (BIT(13))
#define UART_RXFIFO_CNT 0x000000FF
#define UART_RXFIFO_CNT_S 0
#define UART_CONF0( i ) (REG_UART_BASE( i ) + 0x20)
#define UART_TXFIFO_RST (BIT(18))
#define UART_RXFIFO_RST (BIT(17))
#define UART_IRDA_EN (BIT(16))
#define UART_TX_FLOW_EN (BIT(15))
#define UART_LOOPBACK (BIT(14))
#define UART_IRDA_RX_INV (BIT(13))
#define UART_IRDA_TX_INV (BIT(12))
#define UART_IRDA_WCTL (BIT(11))
#define UART_IRDA_TX_EN (BIT(10))
#define UART_IRDA_DPLX (BIT(9))
#define UART_TXD_BRK (BIT(8))
#define UART_SW_DTR (BIT(7))
#define UART_SW_RTS (BIT(6))
#define UART_STOP_BIT_NUM 0x00000003
#define UART_STOP_BIT_NUM_S 4
#define UART_BIT_NUM 0x00000003
#define UART_BIT_NUM_S 2
#define UART_PARITY_EN (BIT(1))
#define UART_PARITY (BIT(0))
#define UART_CONF1( i ) (REG_UART_BASE( i ) + 0x24)
#define UART_RX_TOUT_EN (BIT(31))
#define UART_RX_TOUT_THRHD 0x0000007F
#define UART_RX_TOUT_THRHD_S 24
#define UART_RX_FLOW_EN (BIT(23))
#define UART_RX_FLOW_THRHD 0x0000007F
#define UART_RX_FLOW_THRHD_S 16
#define UART_TXFIFO_EMPTY_THRHD 0x0000007F
#define UART_TXFIFO_EMPTY_THRHD_S 8
#define UART_RXFIFO_FULL_THRHD 0x0000007F
#define UART_RXFIFO_FULL_THRHD_S 0
#define UART_LOWPULSE( i ) (REG_UART_BASE( i ) + 0x28)
#define UART_LOWPULSE_MIN_CNT 0x000FFFFF
#define UART_LOWPULSE_MIN_CNT_S 0
#define UART_HIGHPULSE( i ) (REG_UART_BASE( i ) + 0x2C)
#define UART_HIGHPULSE_MIN_CNT 0x000FFFFF
#define UART_HIGHPULSE_MIN_CNT_S 0
#define UART_PULSE_NUM( i ) (REG_UART_BASE( i ) + 0x30)
#define UART_PULSE_NUM_CNT 0x0003FF
#define UART_PULSE_NUM_CNT_S 0
#define UART_DATE( i ) (REG_UART_BASE( i ) + 0x78)
#define UART_ID( i ) (REG_UART_BASE( i ) + 0x7C)
#endif // UART_REGISTER_H_INCLUDED

@ -0,0 +1,201 @@
#include "driver/uart.h"
#include "c_types.h"
#include "user_interface.h"
#include "espconn.h"
#include "mem.h"
#include "osapi.h"
#include "espconn.h"
#include "httpd.h"
#include "io.h"
#define MAX_HEAD_LEN 1024
int cgiSet(struct espconn *conn);
typedef int (* cgiSendCallback)(struct espconn *conn);
typedef struct {
const char *url;
const char *fixedResp;
cgiSendCallback cgiCb;
} UrlData;
const char htmlIndex[]="<html><head><title>Hello World</title></head> \
<body><h1>Hello, World!</h1></body> \
</html>";
static const UrlData urls[]={
{"/", htmlIndex, NULL},
{"/set", NULL, cgiSet},
{NULL, NULL, NULL},
};
static struct espconn conn;
static esp_tcp tcp;
static int recLen;
static char recBuff[MAX_HEAD_LEN];
typedef struct {
char *url;
char *getArgs;
const UrlData *effUrl;
} GetData;
static GetData getData;
//Find a specific arg in a string of get- or post-data.
static char *ICACHE_FLASH_ATTR httpdFindArg(char *line, char *arg) {
char *p;
int al;
if (line==NULL) return NULL;
p=line;
al=os_strlen(arg);
os_printf("Finding %s in %s\n", arg, line);
while (p[0]!=0) {
if (os_strncmp(p, arg, al)==0 && p[al]=='=') {
//Gotcha.
return &p[al+1];
} else {
//Wrong arg. Advance to start of next arg.
p+=os_strlen(p)+1;
}
}
os_printf("Finding %s in %s: Not found :/\n", arg, line);
return NULL; //not found
}
//ToDo: Move cgi functions to somewhere else
int cgiSet(struct espconn *conn) {
char *on;
static const char okStr[]="<html><head><title>OK</title></head><body><p>OK</p></body></html>";
on=httpdFindArg(getData.getArgs, "led");
os_printf("cgiSet: on=%s\n", on?on:"not found");
if (on!=NULL) ioLed(atoi(on));
espconn_sent(conn, (uint8 *)okStr, os_strlen(okStr));
return 1;
}
static const char *httpOkHeader="HTTP/1.0 200 OK\r\nServer: esp8266-thingie/0.1\r\nContent-Type: text/html\r\n\r\n";
static const char *httpNotFoundHeader="HTTP/1.0 404 Not Found\r\nServer: esp8266-thingie/0.1\r\n\r\nNot Found.\r\n";
static void ICACHE_FLASH_ATTR httpdSentCb(void *arg) {
struct espconn *conn=arg;
if (getData.effUrl==NULL) {
espconn_disconnect(conn);
return;
}
if (getData.effUrl->cgiCb!=NULL) {
if (getData.effUrl->cgiCb(conn)) getData.effUrl=NULL;
} else {
espconn_sent(conn, (uint8 *)getData.effUrl->fixedResp, os_strlen(getData.effUrl->fixedResp));
getData.effUrl=NULL;
}
}
static void ICACHE_FLASH_ATTR httpdSendResp(struct espconn *conn) {
int i=0;
while (urls[i].url!=NULL) {
if (os_strcmp(urls[i].url, getData.url)==0) {
getData.effUrl=&urls[i];
os_printf("Is url index %d\n", i);
espconn_sent(conn, (uint8 *)httpOkHeader, os_strlen(httpOkHeader));
return;
}
i++;
}
//Can't find :/
espconn_sent(conn, (uint8 *)httpNotFoundHeader, os_strlen(httpNotFoundHeader));
}
static void ICACHE_FLASH_ATTR httpdParseHeader(char *h) {
os_printf("Got header %s\n", h);
if (os_strncmp(h, "GET ", 4)==0) {
char *e;
getData.url=h+4;
e=(char*)os_strstr(getData.url, " ");
if (e==NULL) return; //wtf?
*e=0; //terminate url part
os_printf("URL = %s\n", getData.url);
getData.getArgs=(char*)os_strstr(getData.url, "?");
if (getData.getArgs!=0) {
int x,l;
*getData.getArgs=0;
getData.getArgs++;
os_printf("GET args = %s\n", getData.getArgs);
l=os_strlen(getData.getArgs);
for (x=0; x<l; x++) if (getData.getArgs[x]=='&') getData.getArgs[x]=0;
//End with double-zero
getData.getArgs[l]=0;
getData.getArgs[l+1]=0;
} else {
getData.getArgs=NULL;
}
}
}
static void ICACHE_FLASH_ATTR httpdRecvCb(void *arg, char *data, unsigned short len) {
struct espconn *conn=arg;
int x;
char *p, *e;
if (recLen==-1) return; //we don't accept data anymore
for (x=0; x<len && recLen!=MAX_HEAD_LEN; x++) recBuff[recLen++]=data[x];
recBuff[recLen]=0;
//Scan for /r/n/r/n
if ((char *)os_strstr(recBuff, "\r\n\r\n")!=NULL) {
//Reset url data
getData.url=NULL;
//Find end of next header line
p=recBuff;
while(p<(&recBuff[recLen-4])) {
e=(char *)os_strstr(p, "\r\n");
if (e==NULL) break;
e[0]=0;
httpdParseHeader(p);
p=e+2;
}
httpdSendResp(conn);
}
}
static void ICACHE_FLASH_ATTR httpdReconCb(void *arg, sint8 err) {
os_printf("ReconCb\n");
httpdInit();
}
static void ICACHE_FLASH_ATTR httpdDisconCb(void *arg) {
struct espconn *conn=arg;
os_printf("Disconnected, conn=%p\n", conn);
}
static void ICACHE_FLASH_ATTR httpdConnectCb(void *arg) {
struct espconn *conn=arg;
os_printf("Con req, conn=%p\n", conn);
recLen=0;
espconn_regist_recvcb(conn, httpdRecvCb);
espconn_regist_reconcb(conn, httpdReconCb);
espconn_regist_disconcb(conn, httpdDisconCb);
espconn_regist_sentcb(conn, httpdSentCb);
}
void ICACHE_FLASH_ATTR httpdInit() {
conn.type=ESPCONN_TCP;
conn.state=ESPCONN_NONE;
tcp.local_port=80;
conn.proto.tcp=&tcp;
os_printf("Httpd init, conn=%p\n", conn);
espconn_regist_connectcb(&conn, httpdConnectCb);
espconn_accept(&conn);
}

@ -0,0 +1 @@
void ICACHE_FLASH_ATTR httpdInit();

@ -0,0 +1,18 @@
#include "c_types.h"
#include "user_interface.h"
#include "espconn.h"
#include "mem.h"
#include "osapi.h"
#include "gpio.h"
void ICACHE_FLASH_ATTR ioLed(int ena) {
if (ena) {
gpio_output_set(BIT2, 0, BIT2, 0);
} else {
gpio_output_set(0, BIT2, BIT2, 0);
}
}
void ioInit() {
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_GPIO2);
}

@ -0,0 +1,2 @@
void ICACHE_FLASH_ATTR ioLed(int ena);
void ioInit(void);

@ -0,0 +1,15 @@
#include "ets_sys.h"
#include "driver/uart.h"
#include "osapi.h"
#include "httpd.h"
#include "io.h"
extern uint8_t at_wifiMode;
void user_init(void)
{
uart_init(BIT_RATE_115200, BIT_RATE_115200);
httpdInit();
ioInit();
os_printf("\nReady\n");
}
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