/* Set the PWM frequency */
void Chip_SCTPWM_SetRate(LPC_SCT_T *pSCT, uint32_t freq)
{
uint32_t rate;
rate = Chip_Clock_GetSystemClockRate() / freq;;
/* Stop the SCT before configuration */
Chip_SCTPWM_Stop(pSCT);
/* Set MATCH0 for max limit */
pSCT->REGMODE_U = 0;
Chip_SCT_SetMatchCount(pSCT, SCT_MATCH_0, 0);
Chip_SCT_SetMatchReload(pSCT, SCT_MATCH_0, rate);
pSCT->EV[0].CTRL = 1 << 12;
pSCT->EV[0].STATE = 1;
/* Set SCT Counter to count 32-bits and reset to 0 after reaching MATCH0 */
Chip_SCT_Config(pSCT, SCT_CONFIG_32BIT_COUNTER | SCT_CONFIG_AUTOLIMIT_L);
}
/**
* @brief Stops the timer
*/
void SctStop(){
Chip_SCTPWM_Stop(LPC_SCT);
}
/**
* this function stops the SCT.
*
* @return status_ok if succeeded (otherwise check status.h for details).
*/
status_t PWM_Stop()
{
Chip_SCTPWM_Stop(PWM_SCT);
return status_ok;
}
/*Para el funcionamiento PWM*/
void ParadaPWM(void){
Chip_SCTPWM_Stop(LPC_SCT);
}
