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nodemcu-firmware/app/user/user_main.c

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/******************************************************************************
* Copyright 2013-2014 Espressif Systems (Wuxi)
*
* FileName: user_main.c
*
* Description: entry file of user application
*
* Modification history:
* 2014/1/1, v1.0 create this file.
*******************************************************************************/
#include "lua.h"
#include "platform.h"
#include "c_string.h"
#include "c_stdlib.h"
#include "c_stdio.h"
#include "vfs.h"
#include "flash_api.h"
#include "user_interface.h"
#include "user_exceptions.h"
#include "user_modules.h"
#include "ets_sys.h"
#include "driver/uart.h"
#include "task/task.h"
#include "mem.h"
#include "espconn.h"
#ifdef LUA_USE_MODULES_RTCTIME
#include "rtc/rtctime.h"
#endif
static task_handle_t input_sig;
static uint8 input_sig_flag = 0;
/* Contents of esp_init_data_default.bin */
extern const uint32_t init_data[];
extern const uint32_t init_data_end[];
__asm__(
/* Place in .text for same reason as user_start_trampoline */
".section \".rodata.dram\"\n"
".align 4\n"
"init_data:\n"
".incbin \"" ESP_INIT_DATA_DEFAULT "\"\n"
"init_data_end:\n"
".previous\n"
);
/* Note: the trampoline *must* be explicitly put into the .text segment, since
* by the time it is invoked the irom has not yet been mapped. This naturally
* also goes for anything the trampoline itself calls.
*/
void TEXT_SECTION_ATTR user_start_trampoline (void)
{
__real__xtos_set_exception_handler (
EXCCAUSE_LOAD_STORE_ERROR, load_non_32_wide_handler);
#ifdef LUA_USE_MODULES_RTCTIME
// Note: Keep this as close to call_user_start() as possible, since it
// is where the cpu clock actually gets bumped to 80MHz.
rtctime_early_startup ();
#endif
/* Re-implementation of default init data deployment. The SDK does not
* appear to be laying down its own version of init data anymore, so
* we have to do it again. To see whether we need to, we read out
* the flash size and do a test for esp_init_data based on that size.
* If it's missing, we need to initialize it *right now* before the SDK
* starts up and gets stuck at "rf_cal[0] !=0x05,is 0xFF".
* If the size byte is wrong, then we'll end up fixing up the init data
* again on the next boot, after we've corrected the size byte.
* Only remaining issue is lack of spare code bytes in iram, so this
* is deliberately quite terse and not as readable as one might like.
*/
SPIFlashInfo sfi;
// enable operations on >4MB flash chip
extern SpiFlashChip * flashchip;
uint32 orig_chip_size = flashchip->chip_size;
flashchip->chip_size = FLASH_SIZE_16MBYTE;
SPIRead (0, (uint32_t *)(&sfi), sizeof (sfi)); // Cache read not enabled yet, safe to use
// handle all size entries
switch (sfi.size) {
case 0: sfi.size = 1; break; // SIZE_4MBIT
case 1: sfi.size = 0; break; // SIZE_2MBIT
case 5: sfi.size = 3; break; // SIZE_16MBIT_8M_8M
case 6: // fall-through
case 7: sfi.size = 4; break; // SIZE_32MBIT_8M_8M, SIZE_32MBIT_16M_16M
case 8: sfi.size = 5; break; // SIZE_64MBIT
case 9: sfi.size = 6; break; // SIZE_128MBIT
default: break;
}
uint32_t flash_end_addr = (256 * 1024) << sfi.size;
uint32_t init_data_hdr = 0xffffffff;
uint32_t init_data_addr = flash_end_addr - 4 * SPI_FLASH_SEC_SIZE;
SPIRead (init_data_addr, &init_data_hdr, sizeof (init_data_hdr));
if (init_data_hdr == 0xffffffff)
{
SPIEraseSector (init_data_addr);
SPIWrite (init_data_addr, init_data, 4 * (init_data_end - init_data));
}
// revert temporary setting
flashchip->chip_size = orig_chip_size;
call_user_start ();
}
// +================== New task interface ==================+
static void start_lua(task_param_t param, uint8 priority) {
char* lua_argv[] = { (char *)"lua", (char *)"-i", NULL };
NODE_DBG("Task task_lua started.\n");
lua_main( 2, lua_argv );
// Only enable UART interrupts once we've successfully started up,
// otherwise the task queue might fill up with input events and prevent
// the start_lua task from being posted.
ETS_UART_INTR_ENABLE();
}
static void handle_input(task_param_t flag, uint8 priority) {
(void)priority;
if (flag & 0x8000) {
input_sig_flag = flag & 0x4000 ? 1 : 0;
}
lua_handle_input (flag & 0x01);
}
bool user_process_input(bool force) {
return task_post_low(input_sig, force);
}
void nodemcu_init(void)
{
NODE_ERR("\n");
// Initialize platform first for lua modules.
if( platform_init() != PLATFORM_OK )
{
// This should never happen
NODE_DBG("Can not init platform for modules.\n");
return;
}
if( flash_detect_size_byte() != flash_rom_get_size_byte() ) {
NODE_ERR("Self adjust flash size.\n");
// Fit hardware real flash size.
flash_rom_set_size_byte(flash_detect_size_byte());
system_restart ();
// Don't post the start_lua task, we're about to reboot...
return;
}
#if 0
// espconn_secure_set_size() is not effective
// see comments for MBEDTLS_SSL_MAX_CONTENT_LEN in user_mbedtls.h
#if defined ( CLIENT_SSL_ENABLE ) && defined ( SSL_BUFFER_SIZE )
espconn_secure_set_size(ESPCONN_CLIENT, SSL_BUFFER_SIZE);
#endif
#endif
#ifdef BUILD_SPIFFS
if (!vfs_mount("/FLASH", 0)) {
// Failed to mount -- try reformat
dbg_printf("Formatting file system. Please wait...\n");
if (!vfs_format()) {
NODE_ERR( "\n*** ERROR ***: unable to format. FS might be compromised.\n" );
NODE_ERR( "It is advised to re-flash the NodeMCU image.\n" );
}
// Note that fs_format leaves the file system mounted
}
// test_spiffs();
#endif
// endpoint_setup();
if (!task_post_low(task_get_id(start_lua),'s'))
NODE_ERR("Failed to post the start_lua task!\n");
}
#ifdef LUA_USE_MODULES_WIFI
#include "../modules/wifi_common.h"
void user_rf_pre_init(void)
{
//set WiFi hostname before RF initialization (adds ~479 us to boot time)
wifi_change_default_host_name();
}
#endif
/******************************************************************************
* FunctionName : user_rf_cal_sector_set
* Description : SDK just reversed 4 sectors, used for rf init data and paramters.
* We add this function to force users to set rf cal sector, since
* we don't know which sector is free in user's application.
* sector map for last several sectors : ABCCC
* A : rf cal
* B : rf init data
* C : sdk parameters
* Parameters : none
* Returns : rf cal sector
*******************************************************************************/
uint32
user_rf_cal_sector_set(void)
{
enum flash_size_map size_map = system_get_flash_size_map();
uint32 rf_cal_sec = 0;
switch (size_map) {
case FLASH_SIZE_4M_MAP_256_256:
rf_cal_sec = 128 - 5;
break;
case FLASH_SIZE_8M_MAP_512_512:
rf_cal_sec = 256 - 5;
break;
case FLASH_SIZE_16M_MAP_512_512:
case FLASH_SIZE_16M_MAP_1024_1024:
rf_cal_sec = 512 - 5;
break;
case FLASH_SIZE_32M_MAP_512_512:
case FLASH_SIZE_32M_MAP_1024_1024:
case FLASH_SIZE_32M_MAP_2048_2048:
rf_cal_sec = 1024 - 5;
break;
case FLASH_SIZE_64M_MAP_1024_1024:
rf_cal_sec = 2048 - 5;
break;
case FLASH_SIZE_128M_MAP_1024_1024:
rf_cal_sec = 4096 - 5;
break;
default:
rf_cal_sec = 0;
break;
}
return rf_cal_sec;
}
extern void luaN_user_init(void);
/******************************************************************************
* FunctionName : user_init
* Description : entry of user application, init user function here
* Parameters : none
* Returns : none
*******************************************************************************/
void user_init(void)
{
#ifdef LUA_USE_MODULES_RTCTIME
rtctime_late_startup ();
#endif
UartBautRate br = BIT_RATE_DEFAULT;
input_sig = task_get_id(handle_input);
uart_init (br, br, input_sig, &input_sig_flag);
#ifndef NODE_DEBUG
system_set_os_print(0);
#endif
#ifdef LUA_FLASH_STORE
luaN_user_init();
#endif
system_init_done_cb(nodemcu_init);
}
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