/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
/* system clocks configuration */
irc40k_config();
systick_config();
gd_eval_ledinit(LED2);
gd_eval_keyinit(KEY_TAMPER,KEY_MODE_EXTI);
delay_1ms(50);
/* enable write access to FWDGT_PSC and FWDGT_RLD registers.
FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
fwdgt_config(625,FWDGT_PSC_DIV64);
fwdgt_enable();
/* check if the system has resumed from FWDGT reset */
if (RESET != rcu_flag_get(RCU_FLAG_FWDGTRST)){
gd_eval_ledon(LED2);
rcu_reset_flag_clear();
while(1);
}else{
gd_eval_ledoff(LED2);
}
while (1);
}
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
gd_eval_ledinit(LED2);
systick_config();
while (1);
}
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
/* GPIO clock enable */
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_GPIOC);
rcu_periph_clock_enable(RCU_GPIOF);
/* delay time initialize */
systick_config();
/* configure the CEC peripheral */
cec_config();
/* configure the EXTI */
gd_eval_keyinit(KEY_TAMPER, KEY_MODE_EXTI);
#ifdef GD32F130_150
gd_eval_keyinit(KEY_USER, KEY_MODE_EXTI);
#elif defined(GD32F170_190)
gd_eval_keyinit(KEY_WAKEUP, KEY_MODE_EXTI);
#endif /* GD32F130_150 */
/* LED1 LED2 initialize */
gd_eval_ledinit(LED1);
gd_eval_ledinit(LED2);
gd_eval_ledoff(LED1);
gd_eval_ledoff(LED2);
/* main loop */
while(1) {
/* wait receive data */
while(rcvstatus==0);
if(rcvstatus == 1) {
if((rcvdata[1]==0xA5)&&(rcvdata[2]==0x5A)) {
gd_eval_ledon(LED1);
delay_1ms(10);
gd_eval_ledoff(LED1);
}
if((rcvdata[1]==0x5A)&&(rcvdata[2]==0xA5)) {
gd_eval_ledon(LED2);
delay_1ms(10);
gd_eval_ledoff(LED2);
}
}
/* a reception error occured */
rcvstatus = 0;
}
}
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
uint16_t num = 0;
/* system clocks configuration */
rcu_config();
/* systick config: 1ms delay */
systick_config();
/* slcd interface configuration */
slcd_seg_config();
while(1){
slcd_seg_number_display(num++);
delay_1ms(1000);
}
}
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
systick_config();
gd_eval_ledinit(LED1);
gd_eval_keyinit(KEY_TAMPER,KEY_MODE_GPIO);
while(1){
/* check whether the button is pressed */
if(RESET == gd_eval_keygetstate(KEY_TAMPER)){
delay_1ms(100);
/* check whether the button is pressed */
if(RESET == gd_eval_keygetstate(KEY_TAMPER)){
gd_eval_ledtoggle(LED1);
}
}
}
}
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
/* systick config */
systick_config();
/* led config */
led_config();
/* clock enable */
rcu_periph_clock_enable(RCU_PMU);
/* wakeup key config */
gd_eval_keyinit(KEY_WAKEUP,KEY_MODE_GPIO);
/* tamper key EXTI config */
gd_eval_keyinit(KEY_TAMPER,KEY_MODE_EXTI);
/* press wakeup key to enter deepsleep mode and use tamper key generate a exti interrupt to wakeup mcu */
while(1){
if(RESET == gpio_input_bit_get(WAKEUP_KEY_GPIO_PORT,WAKEUP_KEY_PIN))
pmu_to_deepsleepmode(PMU_LDO_LOWPOWER,WFI_CMD);
}
}
uint16_t _bsp_set_clock_configuration
(
/* [IN] runtime clock configuration */
const BSP_CLOCK_CONFIGURATION clock_configuration
)
{
uint32_t system_clock;
uint16_t cpu_error = ERR_OK;
cpu_error = Cpu_SetClockConfiguration((uint8_t)clock_configuration);
if (cpu_error != ERR_OK) {
return cpu_error;
}
/* Get system clock for active clock configuration */
system_clock = _cm_get_clock(clock_configuration, CM_CLOCK_SOURCE_CORE);
systick_config(system_clock, BSP_ALARM_FREQUENCY);
return ERR_OK;
}
static void systick_init
(
void
)
{
/* Get system clock for active clock configuration */
uint32_t system_clock = _cm_get_clock(_cm_get_clock_configuration(), CM_CLOCK_SOURCE_CORE);
#if BSP_ALARM_FREQUENCY == 0
#error Wrong definition of BSP_ALARM_FREQUENCY
#endif
systick_config(system_clock, BSP_ALARM_FREQUENCY);
SYST_CSR = 7;
/* SVCall priority*/
SCB_SHPR2 |= 0x10000000;
/* SysTick priority*/
SCB_SHPR3 |= SCB_SHPR3_PRI_15(CORTEX_PRIOR(BSP_TIMER_INTERRUPT_PRIORITY));
}