/**
* \brief Main Application Routine
* - Initialize the system clocks
* - Initialize the sleep manager
* - Initialize the power save measures
* - Initialize the ACIFB module
* - Initialize the AST to trigger ACIFB at regular intervals
* - Go to STATIC sleep mode and wake up on a touch status change
*/
int main(void)
{
/* Switch on the STATUS LED */
gpio_clr_gpio_pin(STATUS_LED);
/* Switch off the error LED. */
gpio_set_gpio_pin(ERROR_LED);
/*
* Initialize the system clock.
* Note: Clock settings are specified in conf_clock.h
*/
sysclk_init();
/*
* Initialize the sleep manager.
* Note: CONFIG_SLEEPMGR_ENABLE should have been defined in conf_sleepmgr.h
*/
sleepmgr_init();
/* Lock required sleep mode. */
sleepmgr_lock_mode(SLEEPMGR_STATIC);
/* Initialize the delay routines */
delay_init(sysclk_get_cpu_hz());
/* Initialize the power saving features */
power_save_measures_init();
/* Switch off the error LED. */
gpio_set_gpio_pin(ERROR_LED);
#if DEBUG_MESSAGES
/* Enable the clock to USART interface */
sysclk_enable_peripheral_clock(DBG_USART);
/* Initialize the USART interface to print trace messages */
init_dbg_rs232(sysclk_get_pba_hz());
print_dbg("\r Sleepwalking with ACIFB Module in UC3L \n");
print_dbg("\r Initializing ACIFB Module..... \n");
#endif
/* Initialize the Analog Comparator peripheral */
if (ac_init() != STATUS_OK) {
#if DEBUG_MESSAGES
/* Error initializing the ACIFB peripheral */
print_dbg("\r Error initializing Analog Comparator module \n");
#endif
while (1) {
delay_ms(LED_DELAY);
gpio_tgl_gpio_pin(ERROR_LED);
}
}
#if DEBUG_MESSAGES
print_dbg("\r ACIFB Module initialized. \n");
print_dbg("\r Initializing AST Module..... \n");
#endif
/* Initialize the AST peripheral */
if (ast_init() != STATUS_OK) {
#if DEBUG_MESSAGES
print_dbg("\r Error initializing AST module \n");
#endif
/* Error initializing the AST peripheral */
while (1) {
delay_ms(LED_DELAY);
gpio_tgl_gpio_pin(ERROR_LED);
}
}
#if DEBUG_MESSAGES
print_dbg("\r AST Module initialized. \n");
#endif
/* Application routine */
while (1) {
/* Enable Asynchronous wake-up for ACIFB */
pm_asyn_wake_up_enable(AVR32_PM_AWEN_ACIFBWEN_MASK);
#if DEBUG_MESSAGES
print_dbg("\r Going to STATIC sleep mode \n");
print_dbg(
"\r Wake up only when input is higher than threshold \n");
#endif
/* Switch off the status LED */
gpio_set_gpio_pin(STATUS_LED);
/* Disable GPIO clock before entering sleep mode */
sysclk_disable_pba_module(SYSCLK_GPIO);
AVR32_INTC.ipr[0];
/* Enter STATIC sleep mode */
sleepmgr_enter_sleep();
/* Enable GPIO clock after waking from sleep mode */
sysclk_enable_pba_module(SYSCLK_GPIO);
/* Switch on the status LED */
gpio_clr_gpio_pin(STATUS_LED);
#if DEBUG_MESSAGES
print_dbg("\r Output higher than threshold \n");
print_dbg("\n");
#else
/* LED on for few ms */
delay_ms(LED_DELAY);
#endif
/* Clear the wake up & enable it to enter sleep mode again */
pm_asyn_wake_up_disable(AVR32_PM_AWEN_ACIFBWEN_MASK);
/* Clear All AST Interrupt request and clear SR */
ast_clear_all_status_flags(&AVR32_AST);
}
return 0;
} /* End of main() */
/**
* \brief Main Application Routine
* - Initialize the system clocks
* - Initialize the sleep manager
* - Initialize the power save measures
* - Initialize the touch library and sensors
* - Initialize the AST to trigger CAT at regular intervals
* - Go to STATIC sleep mode and wake up on a touch status change
*/
int main(void)
{
#if DEF_TOUCH_QDEBUG_ENABLE == 1
uint32_t delay_counter;
#endif
uint32_t i;
/* Switch on the STATUS LED */
gpio_clr_gpio_pin(STATUS_LED);
/* Switch off the error LED. */
gpio_set_gpio_pin(ERROR_LED);
/*
* Initialize the system clock.
* Note: Clock settings are specified in conf_clock.h
*/
sysclk_init();
/*
* Initialize the sleep manager.
* Note: CONFIG_SLEEPMGR_ENABLE should have been defined in conf_sleepmgr.h
*/
sleepmgr_init();
/* Lock required sleep mode. */
sleepmgr_lock_mode(SLEEPMGR_STATIC);
/* Initialize the power saving features */
power_save_measures_init();
/* Switch off the error LED. */
gpio_set_gpio_pin(ERROR_LED);
#if DEF_TOUCH_QDEBUG_ENABLE == 0
/* Initialize the AST peripheral */
if (ast_init() != STATUS_OK) {
/* Error initializing the AST peripheral */
while (1) {
for (i = 0; i < 10000; i++) {
}
gpio_tgl_gpio_pin(ERROR_LED);
}
}
#endif
/* Initialize the touch library */
if (touch_api_init() != STATUS_OK) {
/* Error initializing the touch sensors */
while (1) {
for (i = 0; i < 10000; i++) {
}
gpio_tgl_gpio_pin(ERROR_LED);
}
}
#if DEF_TOUCH_QDEBUG_ENABLE == 1
/* Enable PBA clock for AST clock to switch its source */
sysclk_enable_peripheral_clock(QDEBUG_USART);
/*
* Initialize the QDebug interface.
* QT600 USB Bridge two-way QDebug communication.
*/
QDebug_Init();
#endif
/* Turn OFF the Status LED */
gpio_set_gpio_pin(STATUS_LED);
/* Loop forever */
while (1) {
#if DEF_TOUCH_QDEBUG_ENABLE == 1
/* Process any commands received from QTouch Studio. */
QDebug_ProcessCommands();
/*
* Send out the Touch debug information data each time when
* Touch measurement process is completed.
* param - 0x000A -> Enable TOUCH_STATUS_CHANGE &
* TOUCH_CHANNEL_REF_CHANGE
* qt_lib_flags always for Autonomous QTouch.
*/
QDebug_SendData(0x000A);
/* Delay to avoid sending the data to QTouch Studio too frequently. */
for (delay_counter = 0u; delay_counter < 1200u;
delay_counter++) {
}
#else
/* Enable Asynchronous Wakeup for CAT module */
pm_asyn_wake_up_enable(AVR32_PM_AWEN_CATWEN_MASK);
/* Disable GPIO clock after waking from sleep mode */
sysclk_disable_pba_module(SYSCLK_GPIO);
/* Enter STATIC sleep mode */
sleepmgr_enter_sleep();
/* Disable Asynchronous Wakeup for CAT module. */
pm_asyn_wake_up_disable(AVR32_PM_AWEN_CATWEN_MASK);
/* Clear All AST Interrupt request and clear SR */
ast_clear_all_status_flags(&AVR32_AST);
/**
* When woken up by Autonomous QTouch interrupt, the
* touch_at_status_change_interrupt_callback() is called that
* updates the autonomous_qtouch_in_touch status flag.
*/
/* Host application code goes here */
#endif
}
} /* End of main() */
