void start(void)
{
//
// Call initialization routines.
// By default these are put by the compiler, right before start of the text segment.
// However, if _reset_vector__ is redefined in the program
// (as in the case when reprogramming is used),
// then the routines not included (starting from msp430 GCC 4.5+)
//
// The sequence is the same as in GCC sources,
// file gcc/config/msp430/crt0.S
//
// initialize stack register using __stack value provided by linker
SET_SP_IMMED(__stack);
// stop the watchdog
watchdogStop();
// copy data segment to RAM
register uint16_t i;
i = __data_size;
while (i) {
i--;
*(uint8_t *)((uint16_t)&__data_start + i) =
*(uint8_t *)((uint16_t)&__data_load_start + i);
}
// zero out BSS segment
i = __bss_size;
while (i) {
i--;
*(uint8_t *)((uint16_t)&__bss_start + i) = 0;
}
// initalization done;
// simply jump to start of .text section
((ApplicationStartExec)SYSTEM_CODE_START)();
}
//----------------------------------------------------------
// System initialization
//----------------------------------------------------------
static inline void initSystem(void)
{
bool success;
(void)success;
// disable interrupts: disabled on msp430 by default, but other systems might need this
DISABLE_INTS();
// stop the watchdog: GCC disables it by default, but other compilers might not be so helpful
watchdogStop();
// TODO: init dynamic memory
// platformMemInit();
// basic, platform-specific initialization: timers, platform-specific drivers (?)
initPlatform();
// start energy accounting (as soon as timers are initialized)
energyConsumerOn(ENERGY_CONSUMER_MCU);
#ifdef USE_PRINT
// init printing to serial (makes sense only after clock has been calibrated)
if (printInit != NULL) printInit();
#endif
INIT_PRINTF("starting MansOS...\n");
#ifdef USE_LEDS
INIT_PRINTF("init LED(s)...\n");
ledsInit();
#endif
#ifdef USE_BEEPER
beeperInit();
#endif
#ifdef RAMTEXT_START
if ((MemoryAddress_t)&_end > RAMTEXT_START) {
// Panic right aways on RAM overflow.
// In case this happens, you might want to increase the address
// specified by CONST_RAMTEXT_START in config file
assertionFailed("Overflow between .data and .ramtext sections", __FILE__, __LINE__);
}
#endif
#ifdef USE_ADC
if (adcInit != NULL) {
INIT_PRINTF("init ADC...\n");
adcInit();
}
#endif
#ifdef USE_RANDOM
INIT_PRINTF("init RNG...\n");
randomInit();
#endif
#if USE_ALARMS
INIT_PRINTF("init alarms...\n");
initAlarms();
#endif
#ifdef USE_RADIO
INIT_PRINTF("init radio...\n");
radioInit();
#endif
#ifdef USE_ADDRESSING
INIT_PRINTF("init communication stack...\n");
networkingInit();
#endif
#ifdef USE_EXT_FLASH
INIT_PRINTF("init external flash...\n");
extFlashInit();
#endif
#ifdef USE_SDCARD
INIT_PRINTF("init SD card...\n");
sdcardInit();
#endif
#ifdef USE_EEPROM
INIT_PRINTF("init EEPROM...\n");
eepromInit();
#endif
#ifdef USE_ISL29003
INIT_PRINTF("init ISL light sensor...\n");
success = islInit();
if (!success) {
INIT_PRINTF("ISL init failed!\n");
}
#endif
#ifdef USE_ADS1115
INIT_PRINTF("init ADS111x ADC converter chip...\n");
adsInit();
#endif
#if USE_ADS8638
INIT_PRINTF("init ADS8638 ADC converter chip...\n");
ads8638Init();
#endif
#if USE_ADS8328
INIT_PRINTF("init ADS8328 ADC converter chip...\n");
ads8328Init();
#endif
#if USE_AD5258
INIT_PRINTF("init AD5258 digital potentiometer...\n");
ad5258Init();
#endif
#if USE_DAC7718
INIT_PRINTF("init DAC7718 DAC converter chip...\n");
dac7718Init();
#endif
#if USE_ISL1219
INIT_PRINTF("init ISL1219 real-time clock chip...\n");
isl1219Init();
#endif
#ifdef USE_HUMIDITY
INIT_PRINTF("init humidity sensor...\n");
humidityInit();
#endif
#ifdef USE_ACCEL
INIT_PRINTF("init accelerometer...\n");
accelInit();
#endif
#ifdef USE_TIMESYNC
INIT_PRINTF("init base station time sync...\n");
timesyncInit();
#endif
#ifdef USE_SMP
INIT_PRINTF("init SSMP...\n");
smpInit();
#endif
#ifdef USE_REPROGRAMMING
INIT_PRINTF("init reprogramming...\n");
bootParamsInit();
#endif
#ifdef USE_DCO_RECALIBRATION
extern void dcoRecalibrationInit(void);
INIT_PRINTF("init DCO recalibration...\n");
dcoRecalibrationInit();
#endif
#ifdef USE_FS
INIT_PRINTF("init file system...\n");
fsInit();
#endif
#ifdef USE_FATFS
INIT_PRINTF("init FAT file system...\n");
fatFsInit();
INIT_PRINTF("init POSIX-like file routines...\n");
posixStdioInit();
#endif
#ifdef USE_WMP
INIT_PRINTF("init WMP...\n");
wmpInit();
#endif
#ifdef USE_SEAL_NET
INIT_PRINTF("init SEAL networking...\n");
sealNetInit();
#endif
INIT_PRINTF("starting the application...\n");
}
