void hardware_init (void){
init_IO();
/**
* @brief set watchdog timer
* we use hardware fuse bit to enforce watchdog is always on
* and ask timer to reset watchdog
* Set up the longest watchdog here
*/
//! Ram - From the AVR datasheet, the typical watchdog reset interval is 1.9 seconds at 3V Vcc for the max. prescalar value
// __asm__ __volatile__ ("wdr");
// WDTCR = (1 << WDCE) | (1 << WDE); //! Ram - Start the timed sequence required to change the watchdog pre-scaler values
// WDTCR = (1 << WDE) | (1 << WDP2) | (1 << WDP1) | (1 << WDP0); //! Ram - Set the pre-scalar values (Must be done within 4 clock cycles) (compiler must pre-compute const ?)
//! component level init
//! we do led initialization in sos_watchdog_processing
systime_init();
// SYSTEM TIMER
timer_hardware_init(DEFAULT_INTERVAL, DEFAULT_SCALE);
#ifdef USE_UART1
SET_FLASH_SELECT_DD_OUT();
SET_FLASH_OUT_DD_OUT();
SET_FLASH_CLK_DD_OUT();
SET_FLASH_SELECT();
#endif
// UART
uart_system_init();
#ifndef NO_SOS_UART
//! Initalize uart comm channel
sos_uart_init();
#endif
// I2C
i2c_system_init();
#ifndef NO_SOS_I2C
//! Initalize i2c comm channel
sos_i2c_init();
//! Initialize the I2C Comm Manager
// Ram - Assuming that it is turned on
// by default with the SOS_I2C component
sos_i2c_mgr_init();
#endif
// ADC
adc_proc_init();
#ifndef SOS_EMU
// radio_init(NON_BEACONED_PAN);
//hubert: use mac_init for vmac
mac_init();
#endif
}
//-------------------------------------------------------------------------
// MAIN
//-------------------------------------------------------------------------
int main(void)
{
oscc_init(); // Oscillator
PSSR = (PSSR_RDH | PSSR_PH); // Reenable the GPIO buffers (needed out of reset)
//SOS_SET_PIN_DIRECTIONS(); // GPIO
DVFS_SwitchCoreFreq(104, 104); // Switch to 104MHz mode
//DVFS_SwitchCoreFreq(13, 13); // Switch to 13MHz mode
memory_init(); // SDRAM
mmu_init(); // MMU
//gpio_init(); // GPIO Interrupts
//wdt_init(); // WATCHDOG
PXA27XGPIOInt_init();
pmic_init();
led_init(); // LEDS
//systime_init(); // LOCAL TIME
timer_hardware_init(
DEFAULT_INTERVAL, DEFAULT_SCALE); // SYSTEM TIMER
sos_main(SOS_BOOT_NORMAL);
return 0;
}
//-------------------------------------------------------------------------
// FUNCTION DECLARATION
//-------------------------------------------------------------------------
void hardware_init(void){
// Starting the evaluation
EVAL_START();
// LEDS
led_init();
// SYSTEM TIMER
timer_hardware_init(DEFAULT_INTERVAL, DEFAULT_SCALE);
// UART
ker_push_current_pid(KER_UART_PID);
uart_system_init();
ker_pop_current_pid();
#ifndef NO_SOS_UART
//! Initalize uart comm channel
ker_push_current_pid(KER_UART_PID);
sos_uart_init();
ker_pop_current_pid();
#endif
}
//-------------------------------------------------------------------------
// FUNCTION DECLARATION
//-------------------------------------------------------------------------
void hardware_init(void) {
init_IO();
// WATCHDOG SETUP FOR AVR
#ifndef DISABLE_WDT
/*
* Hardware Fuse Bit ensures WDT is always ON
* The following timed sequence sets up a WDT
* with the longest timeout period.
*/
__asm__ __volatile__ ("wdr");
WDTCR = (1 << WDCE) | (1 << WDE);
WDTCR = (1 << WDE) | (1 << WDP2) | (1 << WDP1) | (1 << WDP0);
#else
/*
* WDT may need to be disabled during debugging etc.
* You must also unset the WDT fuse. If it is set it
* is not possible to disable the WDT in software.
* Setting the fuses to ff9fff will allow it to be disabled.
*/
__asm__ __volatile__ ("wdr");
WDTCR = (1 << WDCE) | (1 << WDE);
WDTCR = 0;
#endif //DISABLE_MICA2_WDT
// LEDS
// We do led initialization in sos_watchdog_processing
// LOCAL TIME
systime_init();
// SYSTEM TIMER
timer_hardware_init(DEFAULT_INTERVAL, DEFAULT_SCALE);
// UART
#ifdef USE_UART1
SET_FLASH_SELECT_DD_OUT();
SET_FLASH_SELECT();
#endif
uart_system_init();
#ifndef NO_SOS_UART
//! Initalize uart comm channel
sos_uart_init();
#endif
// I2C
// always initalize the i2c system
i2c_system_init();
#ifndef NO_SOS_I2C
//! Initalize i2c comm channel
sos_i2c_init();
//! Initialize the I2C Comm Manager
// Ram - Assuming that it is turned on
// by default with the SOS_I2C component
sos_i2c_mgr_init();
#endif
// ADC
adc_proc_init();
// RADIO
#ifndef SOS_EMU
cc1k_radio_init();
#ifndef DISABLE_RADIO
cc1k_radio_start();
#ifdef RADIO_XMIT_POWER
cc1k_cnt_SetRFPower(RADIO_XMIT_POWER);
#endif//RADIO_XMIT_POWER
#else
cc1k_radio_stop();
#endif//DISABLE_RADIO
#endif//SOS_EMU
// EXTERNAL FLASH
#ifndef USE_UART1
exflash_init();
#endif
// MICA2 PERIPHERALS (Optional)
#ifdef SOS_MICA2_PERIPHERAL
mica2_peripheral_init();
#endif
//TODO: We may want to move this out of the mica2 hardware (Roy)
one_wire_init();
}
//-------------------------------------------------------------------------
// FUNCTION DECLARATION
//-------------------------------------------------------------------------
void hardware_init(void){
init_IO();
// WATCHDOG SETUP FOR MSP430
// After PUC, watchdog is enabled by default
// with a timeout of 32 ms. Till we support
// watchdog, we will simply disable it
DISABLE_WDT();
// CLOCK SUBSYSTEM
clock_hal_init();
// LEDS
led_init();
// HARDWARE TIMERS
timerb_hal_init();
// SYSTEM TIMER
timer_hardware_init(DEFAULT_INTERVAL);
// UART
uart_hardware_init();
uart_system_init();
#ifndef NO_SOS_UART
//! Initialize uart comm channel
sos_uart_init();
#endif
// I2C
//! Limited I2C support for the ARL deployment
#ifdef NEW_SENSING_API
#ifdef TMOTE_INVENT_SENSOR_BOARD
invent_sensor_init();
#endif
#endif
// SPI
spi_hardware_init();
// RADIO
//#ifndef NO_SOS_RADIO
// cc2420_hardware_init();
mac_init();
//#endif
// ADC
#ifdef NEW_SENSING_API
adc_driver_init();
#else
adc_proc_init();
#endif
// Interrupt controller
interrupt_init();
// SHT1x chip communication controller
#ifdef NEW_SENSING_API
#ifdef TMOTE_SENSOR_BOARD
sht1x_comm_init();
#endif
#endif
// Ram - I dont know which flash this is ?
// init_flash();
// EXTERNAL FLASH
// Currently there is no support
// MSP430 PERIPHERALS (Optional)
}