uint_32 _kuart_int_enable
(
/* [IN] the address of the device specific information */
KUART_INFO_STRUCT_PTR io_info_ptr
)
{ /* Body */
uint_8 flags = IO_PERIPHERAL_MODULE_ENABLE | IO_PERIPHERAL_CLOCK_ENABLE;
UART_MemMapPtr sci_ptr = io_info_ptr->SCI_PTR;
#if MQX_ENABLE_LOW_POWER
uint_32 clock, mode = _lpm_get_operation_mode ();
if (mode >= LPM_OPERATION_MODES)
{
return MQX_INVALID_CONFIGURATION;
}
flags = io_info_ptr->INIT.OPERATION_MODE[mode].FLAGS;
clock = _lpm_get_clock_configuration ();
if (clock >= BSP_CLOCK_CONFIGURATIONS)
{
return MQX_INVALID_CONFIGURATION;
}
#endif
/* Enable module clocks to be able to write registers */
_bsp_serial_io_init (io_info_ptr->INIT.DEVICE, IO_PERIPHERAL_CLOCK_ENABLE);
/* Enable/disable module */
if (flags & IO_PERIPHERAL_MODULE_ENABLE)
{
_kuart_int_peripheral_enable (sci_ptr);
}
else
{
_kuart_int_peripheral_disable (sci_ptr);
}
/* Disable module clocks if required */
if (flags & IO_PERIPHERAL_CLOCK_DISABLE)
{
_bsp_serial_io_init (io_info_ptr->INIT.DEVICE, IO_PERIPHERAL_CLOCK_DISABLE);
}
return MQX_OK;
} /* Endbody */
void main_task
(
uint32_t initial_data
)
{
BSP_CLOCK_CONFIGURATION clock_configuration;
printf("\n***********************************************************\n");
printf(" MQX frequency change demo\n");
printf("***********************************************************\n");
/* Create global event */
if (_lwevent_create(&app_event, LWEVENT_AUTO_CLEAR) != MQX_OK)
{
printf("\nCreating app_event failed.\n");
_task_block();
}
printf("\n*********** DEFAULT CLOCK CONFIGURATION **********\n");
/* Get and print active clock configuration */
clock_configuration = _lpm_get_clock_configuration();
display_clock_values(clock_configuration);
printf("\nPress button on the board to loop over frequency modes.\n");
while (1)
{
/* wait for button press */
wait_for_event();
printf("\n*************** BSP_CLOCK_CONFIGURATION_0 **************\n");
/* Switch clock configuration */
if (CM_ERR_OK != _lpm_set_clock_configuration(BSP_CLOCK_CONFIGURATION_0))
{
printf("Cannot change clock configuration");
_task_block();
}
/* Get active clock configuration */
clock_configuration = _lpm_get_clock_configuration();
/* Display new clock settings */
display_clock_values(clock_configuration);
/* wait for button press */
wait_for_event();
printf("\n*************** BSP_CLOCK_CONFIGURATION_1 **************\n");
/* Switch clock configuration */
if (CM_ERR_OK != _lpm_set_clock_configuration(BSP_CLOCK_CONFIGURATION_1))
{
printf("Cannot change clock configuration");
_task_block();
}
/* Get active clock configuration */
clock_configuration = _lpm_get_clock_configuration();
/* Display new clock settings */
display_clock_values(clock_configuration);
/* wait for button press */
wait_for_event();
printf("\n*************** BSP_CLOCK_CONFIGURATION_2 **************\n");
/* Switch clock configuration */
if (CM_ERR_OK != _lpm_set_clock_configuration(BSP_CLOCK_CONFIGURATION_2))
{
printf("Cannot change clock configuration");
_task_block();
}
/* Get active clock configuration */
clock_configuration = _lpm_get_clock_configuration();
/* Display new clock settings */
display_clock_values(clock_configuration);
}
}
