CC3200 FS refactoring and basic Mongoose example

Moved filesystem-related code out of SJS and into common.
Made it possible to have one, both or no filesystems enabled.
FailFS is now SimpleLinkFS, SLFS (ahem).

Example just serves a "Hello, world!" index page for now.

PUBLISHED_FROM=0e98ee4b8d95782c10791522c42eae5a7ba314f9

examples/CC3200/Makefile

@@ -0,0 +1,27 @@
+SDK ?= $(shell cat sdk.version)
+SRC_DIR ?= $(realpath ../../..)
+PORT ?= auto
+
+.PHONY: all clean
+
+MAKEFLAGS += w
+
+all clean:
+	docker run --rm -i -v $(SRC_DIR):/src $(SDK) \
+		/bin/bash -c "\
+			make -C /src/mongoose mongoose.c mongoose.h && \
+			make -C /src/mongoose/examples/CC3200 -f Makefile.build $@ -$(MAKEFLAGS) \
+		"
+
+ifeq ("$(PORT)", "auto")
+PORT = $(shell ls -1 /dev/ttyUSB* | tail -n 1)
+endif
+flash:
+	docker run --rm -it --privileged -v $(SRC_DIR):/src $(SDK) /bin/bash -c "\
+		cd /usr/local/bin; \
+		./cc3200prog $(PORT) /src/smartjs/platforms/cc3200/firmware/smartjs.bin \
+	"
+
+debug:
+	docker run --rm -it --privileged -v $(SRC_DIR):/src $(SDK) \
+		/bin/bash -c "cd /src/smartjs/platforms/cc3200 && tools/gdb.sh"

examples/CC3200/Makefile.build

@@ -0,0 +1,132 @@
+# -*- mode: makefile -*-
+# This file is executed inside Docker build container.
+# It can be used without container too if SDK_PATH and V7_PATH are configured.
+
+PLATFORM = CC3200
+SDK_PATH ?= /cc3200-sdk
+REPO_PATH ?= ../../..
+COMMON_PATH ?= $(REPO_PATH)/common
+BUILD_DIR ?= ./build
+FW_DIR ?= ./out
+SLFS_PATH ?= ./slfs
+
+BINDIR = ${FW_DIR}
+OBJDIR = ${BUILD_DIR}
+
+include ${SDK_PATH}/tools/gcc_scripts/makedefs
+
+.PHONY: all clean flash
+
+PROG = cc3200_example
+
+IPATH = . ../.. \
+        $(REPO_PATH) \
+        ${SDK_PATH} \
+        ${SDK_PATH}/inc \
+        ${SDK_PATH}/driverlib \
+        ${SDK_PATH}/oslib \
+        ${SDK_PATH}/simplelink \
+        ${SDK_PATH}/simplelink/include \
+        ${SDK_PATH}/third_party/FreeRTOS/source \
+        ${SDK_PATH}/third_party/FreeRTOS/source/include \
+        ${SDK_PATH}/third_party/FreeRTOS/source/portable/GCC/ARM_CM4
+
+VPATH = ../.. ${SDK_PATH}/driverlib \
+        ${SDK_PATH}/example/common \
+        ${SDK_PATH}/oslib \
+        ${SDK_PATH}/simplelink \
+        ${SDK_PATH}/simplelink/source \
+        ${SDK_PATH}/third_party/FreeRTOS/source \
+        ${SDK_PATH}/third_party/FreeRTOS/source/portable/GCC/ARM_CM4 \
+        ${SDK_PATH}/third_party/FreeRTOS/source/portable/MemMang \
+        ${COMMON_PATH}/platforms/cc3200 \
+
+MONGOOSE_FEATURES = \
+  -DMG_CC3200 \
+  -DMG_DISABLE_DIRECTORY_LISTING \
+  -DMG_DISABLE_JSON_RPC \
+  -DMG_DISABLE_COAP \
+  -DMG_DISABLE_SYNC_RESOLVER \
+  -DMG_DISABLE_SOCKETPAIR \
+  -DMG_DISABLE_DAV \
+  -DMG_DISABLE_CGI \
+  -DMG_DISABLE_SSI \
+  -DMG_ENABLE_HTTP_STREAMING_MULTIPART \
+  -DMG_MAX_HTTP_HEADERS=20 \
+  -DMG_MAX_HTTP_REQUEST_SIZE=1024 \
+  -DMG_MAX_PATH=40 \
+  -DMG_MAX_HTTP_SEND_MBUF=1024 \
+  -DMG_NO_BSD_SOCKETS
+
+SDK_FLAGS = -DTARGET_IS_CC3200 -DUSE_FREERTOS -DSL_PLATFORM_MULTI_THREADED
+
+DISABLED_SDK_WARNINGS = -Wno-missing-braces -Wno-strict-aliasing -Wno-parentheses -Wno-unused-variable
+
+CFLAGS += -Os -Wall -Werror \
+          $(SDK_FLAGS) -DCS_PLATFORM=4 -DCC3200_FS_SLFS \
+          ${MONGOOSE_FEATURES} ${CFLAGS_EXTRA}
+
+FW_ELF = ${FW_DIR}/${PROG}.axf
+FW_BIN = ${FW_DIR}/${PROG}.bin
+FW_MANIFEST = ${FW_DIR}/manifest.json
+FW_ZIP = ${FW_DIR}/firmware.zip
+BUILD_INFO_JSON = ${OBJDIR}/build_info.json
+SLFS_FILES = $(wildcard $(SLFS_PATH)/*)
+
+.PHONY: all clean flash
+
+all: ${OBJDIR} ${SYS_CONFIG_C} ${FW_DIR} ${FW_ZIP}
+
+clean:
+	@rm -rf ${OBJDIR} ${wildcard *~}
+	@rm -rf ${FW_DIR} ${wildcard *~}
+
+${OBJDIR}:
+	@echo "  MKDIR $@"
+	@mkdir -p ${OBJDIR} ${FS_BUILD_DIR}
+
+${FW_DIR}:
+	@echo "  MKDIR $@"
+	@mkdir -p ${FW_DIR}
+
+${FW_ZIP}: ${FW_ELF} ${FW_BIN} ${SLFS_FILES}
+	@echo "    Code size: $(shell ls -l ${FW_BIN} | awk '{print $$5}')"
+	@echo "  GEN   ${FW_MANIFEST}"
+	@$(COMMON_PATH)/tools/fw_meta.py gen_build_info \
+	  --json_output=$(BUILD_INFO_JSON)
+	@cp -v $(SLFS_FILES) out/
+	@$(COMMON_PATH)/tools/fw_meta.py create_manifest \
+	  --name=$(PROG) --platform=$(PLATFORM) \
+	  --build_info=$(BUILD_INFO_JSON) \
+	  --output=$(FW_MANIFEST) \
+	  --src_dir=$(FW_DIR) \
+	  sys_mcuimg.bin:src=$(notdir $(FW_BIN)) \
+		$(foreach f,$(SLFS_FILES), $(notdir $(f)):src=$(notdir $(f)))
+	@echo "  ZIP   $@"
+	@$(COMMON_PATH)/tools/fw_meta.py create_fw \
+	  --manifest=$(FW_MANIFEST) \
+	  --src_dir=$(FW_DIR) \
+	  --output=$@
+
+APP_OBJS = $(OBJDIR)/main.o \
+           ${OBJDIR}/cc3200_fs.o ${OBJDIR}/cc3200_fs_slfs.o ${OBJDIR}/cc3200_libc.o \
+           ${OBJDIR}/cc3200_socket.o \
+           ${OBJDIR}/mongoose.o \
+           ${OBJDIR}/startup_gcc.o \
+           ${OBJDIR}/timers.o ${OBJDIR}/list.o ${OBJDIR}/queue.o ${OBJDIR}/tasks.o ${OBJDIR}/port.o ${OBJDIR}/heap_3.o ${OBJDIR}/osi_freertos.o \
+           ${OBJDIR}/socket.o ${OBJDIR}/wlan.o ${OBJDIR}/driver.o ${OBJDIR}/device.o ${OBJDIR}/netapp.o ${OBJDIR}/netcfg.o ${OBJDIR}/cc_pal.o ${OBJDIR}/fs.o \
+           ${OBJDIR}/cpu.o ${OBJDIR}/i2c.o ${OBJDIR}/interrupt.o ${OBJDIR}/pin.o ${OBJDIR}/prcm.o ${OBJDIR}/spi.o ${OBJDIR}/uart.o ${OBJDIR}/udma.o ${OBJDIR}/utils.o
+
+${FW_ELF}: ${APP_OBJS}
+
+SCATTERgcc_${PROG} = ${PROG}.ld
+ENTRY_${PROG} = ResetISR
+
+# Target specific warning inhibitions
+
+build/wlan.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
+build/driver.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
+build/fs.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
+build/spi.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
+build/prcm.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
+build/spiffs_hydrogen.o: CFLAGS += -Wno-unused-function

examples/CC3200/cc3200_example.ld

@@ -0,0 +1,93 @@
+/*****************************************************************************
+* app.ld
+*
+* GCC Linker script for SmartJS. Based on TI's example "blinky.ld".
+*
+* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ 
+* 
+* 
+*  Redistribution and use in source and binary forms, with or without 
+*  modification, are permitted provided that the following conditions 
+*  are met:
+*
+*    Redistributions of source code must retain the above copyright 
+*    notice, this list of conditions and the following disclaimer.
+*
+*    Redistributions in binary form must reproduce the above copyright
+*    notice, this list of conditions and the following disclaimer in the 
+*    documentation and/or other materials provided with the   
+*    distribution.
+*
+*    Neither the name of Texas Instruments Incorporated nor the names of
+*    its contributors may be used to endorse or promote products derived
+*    from this software without specific prior written permission.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************/
+
+
+HEAP_SIZE = 0xB000;
+
+MEMORY
+{
+    /* SRAM size of 240KB for cc3200 ES 1.33 device onward */
+    SRAM (rwx) : ORIGIN = 0x20004000, LENGTH = 0x3C000
+}
+
+SECTIONS
+{
+    .text :
+    {
+        _text = .;
+        KEEP(*(.intvecs))
+        *(.text*)
+        *(.rodata*)
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        . = ALIGN(8);
+        _etext = .;
+    } > SRAM
+
+    .ARM : {
+    __exidx_start = .;
+      *(.ARM.exidx*)
+      __exidx_end = .;
+    } > SRAM
+
+    __init_data = .;
+
+    .data : AT(__init_data)
+    {
+        _data = .;
+        *(.data*)
+        . = ALIGN (8);
+        _edata = .;
+    } > SRAM
+
+    .bss :
+    {
+        _bss = .;
+        *(.bss*)
+        *(COMMON)
+        _ebss = .;
+    } > SRAM
+
+    .heap :
+    {
+        _heap = .;
+        . = . + HEAP_SIZE;
+        . = ALIGN(8);
+        _eheap = .;
+
+    }
+}

examples/CC3200/main.c

@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2014-2016 Cesanta Software Limited
+ * All rights reserved
+ */
+
+#include <malloc.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Driverlib includes */
+#include "hw_types.h"
+
+#include "hw_ints.h"
+#include "hw_memmap.h"
+#include "interrupt.h"
+#include "pin.h"
+#include "prcm.h"
+#include "rom.h"
+#include "rom_map.h"
+#include "uart.h"
+#include "utils.h"
+
+#include "simplelink.h"
+#include "device.h"
+
+#include "oslib/osi.h"
+
+#include <mongoose.h>
+
+#define CONSOLE_BAUD_RATE 115200
+#define CONSOLE_UART UARTA0_BASE
+#define CONSOLE_UART_PERIPH PRCM_UARTA0
+
+#define WIFI_SSID "YourWiFi"
+#define WIFI_PASS "YourPassword"
+
+struct sj_event {
+  int type;
+  void *data;
+};
+
+OsiMsgQ_t s_v7_q;
+struct mg_mgr mg_mgr;
+
+void SimpleLinkWlanEventHandler(SlWlanEvent_t *e) {
+  if (e->Event == SL_WLAN_CONNECT_EVENT) {
+    LOG(LL_INFO, ("WiFi: connected"));
+  } else {
+    LOG(LL_INFO, ("WiFi: event %d", e->Event));
+  }
+}
+
+void SimpleLinkNetAppEventHandler(SlNetAppEvent_t *e) {
+  if (e->Event == SL_NETAPP_IPV4_IPACQUIRED_EVENT) {
+    SlIpV4AcquiredAsync_t *ed = &e->EventData.ipAcquiredV4;
+    LOG(LL_INFO, ("IP: %lu.%lu.%lu.%lu", SL_IPV4_BYTE(ed->ip, 3),
+             SL_IPV4_BYTE(ed->ip, 2), SL_IPV4_BYTE(ed->ip, 1),
+             SL_IPV4_BYTE(ed->ip, 0)));
+  }
+}
+
+
+static void ev_handler(struct mg_connection *nc, int ev, void *p) {
+  LOG(LL_DEBUG, ("Ev: %d", ev));
+  if (ev == MG_EV_HTTP_REQUEST) {
+    struct mg_serve_http_opts opts;
+    memset(&opts, 0, sizeof(opts));
+    opts.document_root = ".";
+    mg_serve_http(nc, (struct http_message *) p, opts);
+  }
+}
+
+static void mg_task(void *arg) {
+  LOG(LL_INFO, ("Hello, world!"));
+
+  osi_MsgQCreate(&s_v7_q, "V7", sizeof(struct sj_event), 32 /* len */);
+
+  sl_Start(NULL, NULL, NULL);
+
+  if (strlen(WIFI_SSID) > 0) {
+    int ret;
+    SlSecParams_t sp;
+    sl_WlanSetMode(ROLE_STA);
+    sl_Stop(0);
+    sl_Start(NULL, NULL, NULL);
+    sl_WlanDisconnect();
+    LOG(LL_INFO, ("WiFi: connecting to %s", WIFI_SSID));
+    sp.Key = (_i8 *) WIFI_PASS;
+    sp.KeyLen = strlen(WIFI_PASS);
+    sp.Type = sp.KeyLen ? SL_SEC_TYPE_WPA : SL_SEC_TYPE_OPEN;
+    ret = sl_WlanConnect((const _i8 *) WIFI_SSID, strlen(WIFI_SSID), 0, &sp, 0);
+    if (ret != 0) {
+      LOG(LL_ERROR, ("WlanConnect error: %d\n", ret));
+    }
+  } else {
+    LOG(LL_INFO, ("Not connecting to WiFi."));
+    sl_Start(NULL, NULL, NULL);
+  }
+
+  /* We don't need TI's web server. */
+  sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
+
+  mg_mgr_init(&mg_mgr, NULL);
+
+  const char *err = "";
+  struct mg_bind_opts opts;
+  memset(&opts, 0, sizeof(opts));
+  opts.error_string = &err;
+
+  struct mg_connection *nc = mg_bind(&mg_mgr, "80", ev_handler);
+  if (nc != NULL) {
+    mg_set_protocol_http_websocket(nc);
+  } else {
+    LOG(LL_ERROR, ("Failed to create listener: %s", err));
+  }
+
+  while (1) {
+    struct sj_event e;
+    mg_mgr_poll(&mg_mgr, 0);
+    if (osi_MsgQRead(&s_v7_q, &e, 1000) != OSI_OK) continue;
+  }
+}
+
+/* Int vector table, defined in startup_gcc.c */
+extern void (*const g_pfnVectors[])(void);
+
+int main() {
+  MAP_IntVTableBaseSet((unsigned long) &g_pfnVectors[0]);
+  MAP_IntEnable(FAULT_SYSTICK);
+  MAP_IntMasterEnable();
+  PRCMCC3200MCUInit();
+
+  /* Console UART init. */
+  MAP_PRCMPeripheralClkEnable(CONSOLE_UART_PERIPH, PRCM_RUN_MODE_CLK);
+  MAP_PinTypeUART(PIN_55, PIN_MODE_3); /* PIN_55 -> UART0_TX */
+  MAP_PinTypeUART(PIN_57, PIN_MODE_3); /* PIN_57 -> UART0_RX */
+  MAP_UARTConfigSetExpClk(
+      CONSOLE_UART, MAP_PRCMPeripheralClockGet(CONSOLE_UART_PERIPH),
+      CONSOLE_BAUD_RATE,
+      (UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE | UART_CONFIG_PAR_NONE));
+  MAP_UARTFIFOLevelSet(CONSOLE_UART, UART_FIFO_TX1_8, UART_FIFO_RX4_8);
+  MAP_UARTFIFOEnable(CONSOLE_UART);
+
+  setvbuf(stdout, NULL, _IONBF, 0);
+  setvbuf(stderr, NULL, _IONBF, 0);
+  //cs_log_set_level(LL_INFO);
+  cs_log_set_level(LL_VERBOSE_DEBUG);
+
+  VStartSimpleLinkSpawnTask(8);
+  osi_TaskCreate(mg_task, (const signed char *) "mg", 8192, NULL, 3, NULL);
+  osi_start();
+
+  return 0;
+}
+
+/* These are FreeRTOS hooks for various life situations. */
+void vApplicationMallocFailedHook() {
+}
+
+void vApplicationIdleHook() {
+}
+
+void vApplicationStackOverflowHook(OsiTaskHandle *th, signed char *tn) {
+}
+
+void SimpleLinkHttpServerCallback(SlHttpServerEvent_t *e,
+                                  SlHttpServerResponse_t *resp) {
+}
+
+void SimpleLinkSockEventHandler(SlSockEvent_t *e) {
+}
+

examples/CC3200/sdk.version

@@ -0,0 +1 @@
+docker.cesanta.com:5000/cc3200-build:1.1.0-r7

examples/CC3200/slfs/index.html

@@ -0,0 +1,7 @@
+<!DOCTYPE HTML>
+<html>
+  <head></head>
+  <body>
+    <h1>Hello, world!</h1>
+  </body>
+</html>

examples/Makefile

@@ -3,7 +3,7 @@
 
 # `wildcard ./*/` works in both linux and linux/wine, while `wildcard */` enumerates nothing under wine
 SUBDIRS = $(sort $(dir $(wildcard ./*/)))
-SUBDIRS:=$(filter-out ./, $(SUBDIRS))
+SUBDIRS:=$(filter-out ./ ./CC3200/, $(SUBDIRS))
 
 ifeq ($(OS), Windows_NT)
   SUBDIRS:=$(filter-out ./load_balancer/ ./netcat/ ./raspberry_pi_mjpeg_led/ ./captive_dns_server/, $(SUBDIRS))

mongoose.c

@@ -5865,7 +5865,12 @@ static void mg_http_send_file2(struct mg_connection *nc, const char *path,
         snprintf(range, sizeof(range), "Content-Range: bytes %" INT64_FMT
                                        "-%" INT64_FMT "/%" INT64_FMT "\r\n",
                  r1, r1 + cl - 1, (int64_t) st->st_size);
+#if _FILE_OFFSET_BITS == 64 || _POSIX_C_SOURCE >= 200112L || \
+    _XOPEN_SOURCE >= 600
         fseeko(pd->file.fp, r1, SEEK_SET);
+#else
+        fseek(pd->file.fp, r1, SEEK_SET);
+#endif
       }
     }
 

mongoose.h

@@ -561,7 +561,7 @@ int gettimeofday(struct timeval *t, void *tz);
 
 long int random(void);
 
-#ifdef CC3200_ENABLE_SPIFFS
+#ifdef CC3200_FS_SPIFFS
 #include <common/spiffs/spiffs.h>
 
 typedef struct {
@@ -575,7 +575,7 @@ typedef struct {
 DIR *opendir(const char *dir_name);
 int closedir(DIR *dir);
 struct dirent *readdir(DIR *dir);
-#endif
+#endif /* CC3200_FS_SPIFFS */
 
 #endif /* CS_PLATFORM == CS_P_CC3200 */
 #endif /* CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_ */