/*********************************************************************//**
* @brief Configures each channel in MCPWM peripheral according to the
* specified parameters in the MCPWM_CHANNEL_CFG_Type.
* @param[in] MCPWMx Motor Control PWM peripheral selected, should be: LPC_MCPWM
* @param[in] channelNum Channel number, should be: 0..2.
* @param[in] channelSetup Pointer to a MCPWM_CHANNEL_CFG_Type structure
* that contains the configuration information for the specified
* MCPWM channel.
* @return None
**********************************************************************/
void MCPWM_ConfigChannel(LPC_MCPWM_Type *MCPWMx, uint32_t channelNum,
MCPWM_CHANNEL_CFG_Type * channelSetup)
{
if (channelNum <= 2) {
if (channelNum == MCPWM_CHANNEL_0) {
MCPWMx->TC[0] = channelSetup->channelTimercounterValue;
MCPWMx->LIM[0] = channelSetup->channelPeriodValue;
MCPWMx->MAT[0] = channelSetup->channelPulsewidthValue;
} else if (channelNum == MCPWM_CHANNEL_1) {
MCPWMx->TC[1] = channelSetup->channelTimercounterValue;
MCPWMx->LIM[1] = channelSetup->channelPeriodValue;
MCPWMx->MAT[1] = channelSetup->channelPulsewidthValue;
} else if (channelNum == MCPWM_CHANNEL_2) {
MCPWMx->TC[2] = channelSetup->channelTimercounterValue;
MCPWMx->LIM[2] = channelSetup->channelPeriodValue;
MCPWMx->MAT[2] = channelSetup->channelPulsewidthValue;
} else {
return;
}
if (channelSetup->channelType == MCPWM_CHANNEL_CENTER_MODE) {
MCPWMx->CON_SET = MCPWM_CON_CENTER(channelNum);
} else {
MCPWMx->CON_CLR = MCPWM_CON_CENTER(channelNum);
}
if (channelSetup->channelPolarity == MCPWM_CHANNEL_PASSIVE_HI) {
MCPWMx->CON_SET = MCPWM_CON_POLAR(channelNum);
} else {
MCPWMx->CON_CLR = MCPWM_CON_POLAR(channelNum);
}
if (channelSetup->channelDeadtimeEnable == ENABLE) {
MCPWMx->CON_SET = MCPWM_CON_DTE(channelNum);
MCPWMx->DT &= ~(MCPWM_DT(channelNum, 0x3FF));
MCPWMx->DT |= MCPWM_DT(channelNum, channelSetup->channelDeadtimeValue);
} else {
MCPWMx->CON_CLR = MCPWM_CON_DTE(channelNum);
}
if (channelSetup->channelUpdateEnable == ENABLE) {
MCPWMx->CON_CLR = MCPWM_CON_DISUP(channelNum);
} else {
MCPWMx->CON_SET = MCPWM_CON_DISUP(channelNum);
}
}
}
/*********************************************************************//**
* @brief Configures each channel in MCPWM peripheral according to the
* specified parameters in the MCPWM_CHANNEL_CFG_Type.
* @param[in] MCPWMx Motor Control PWM peripheral selected
* should be: LPC_MCPWM
* @param[in] channelNum Channel number, should be: 0..2.
* @param[in] channelSetup Pointer to a MCPWM_CHANNEL_CFG_Type structure
* that contains the configuration information for the
* specified MCPWM channel.
* @return None
**********************************************************************/
void MCPWM_ConfigChannel(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channelNum,
MCPWM_CHANNEL_CFG_Type * channelSetup)
{
if ((channelNum >= 0) && (channelNum <= 2)) {
if (channelNum == 0) {
MCPWMx->MCTIM0 = channelSetup->channelTimercounterValue;
MCPWMx->MCPER0 = channelSetup->channelPeriodValue;
MCPWMx->MCPW0 = channelSetup->channelPulsewidthValue;
} else if (channelNum == 1) {
MCPWMx->MCTIM1 = channelSetup->channelTimercounterValue;
MCPWMx->MCPER1 = channelSetup->channelPeriodValue;
MCPWMx->MCPW1 = channelSetup->channelPulsewidthValue;
} else if (channelNum == 2) {
MCPWMx->MCTIM2 = channelSetup->channelTimercounterValue;
MCPWMx->MCPER2 = channelSetup->channelPeriodValue;
MCPWMx->MCPW2 = channelSetup->channelPulsewidthValue;
} else {
return;
}
if (channelSetup->channelType /* == MCPWM_CHANNEL_CENTER_MODE */){
MCPWMx->MCCON_SET = MCPWM_CON_CENTER(channelNum);
} else {
MCPWMx->MCCON_CLR = MCPWM_CON_CENTER(channelNum);
}
if (channelSetup->channelPolarity /* == MCPWM_CHANNEL_PASSIVE_HI */){
MCPWMx->MCCON_SET = MCPWM_CON_POLAR(channelNum);
} else {
MCPWMx->MCCON_CLR = MCPWM_CON_POLAR(channelNum);
}
if (channelSetup->channelDeadtimeEnable /* == ENABLE */){
MCPWMx->MCCON_SET = MCPWM_CON_DTE(channelNum);
MCPWMx->MCDEADTIME &= ~(MCPWM_DT(channelNum, 0x3FF));
MCPWMx->MCDEADTIME |= MCPWM_DT(channelNum, channelSetup->channelDeadtimeValue);
} else {
MCPWMx->MCCON_CLR = MCPWM_CON_DTE(channelNum);
}
if (channelSetup->channelUpdateEnable /* == ENABLE */){
MCPWMx->MCCON_CLR = MCPWM_CON_DISUP(channelNum);
} else {
MCPWMx->MCCON_SET = MCPWM_CON_DISUP(channelNum);
}
}
}