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/**************************************************************************//**
*
* @copyright (C) 2026 Novosense Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2026-6-15 Eric First version
*
******************************************************************************/
#ifndef __DRV_EPWM_H__
#define __DRV_EPWM_H__
#include <rtdef.h>
/* custom command to configure phase */
#define PWM_CMD_EXT_SET_SLAVE_PHASE (RT_DEVICE_CTRL_BASE(PWM) + 99)
#define EPWM_PIN_INFO(epwm_port_a, epwm_pin_a, pin_mux_a, \
epwm_port_b, epwm_pin_b, pin_mux_b) \
{ \
.port_a = epwm_port_a, \
.pin_a = epwm_pin_a, \
.mux_a = pin_mux_a, \
.port_b = epwm_port_b, \
.pin_b = epwm_pin_b, \
.mux_b = pin_mux_b \
}
#define EPWM_DRV_INIT(num, cnt_mode, clk_div, hs_clk_div) \
{ \
.name = "epwm"#num , \
.instance = EPWM##num, \
.count_mode = cnt_mode, \
.clock_div = clk_div, \
.hs_clock_div = hs_clk_div \
}
/**
* @brief EPWMx channel
*/
enum
{
EPWMX_A = 0,
EPWMX_B
};
/**
* @brief EPWMx phase configuration
*/
struct rt_epwm_slave_phase_ext
{
/* EPWM master reference device,
slave pwm phase compare with this master devcie */
rt_device_t master_dev;
/* unit: degree, 0~360 */
rt_uint32_t phase_angle;
};
#endif
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