83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*!
|
|
*******************************************************************************
|
|
**
|
|
** \file gd_pwm.h
|
|
**
|
|
** \brief pwm driver.
|
|
**
|
|
** The driver provides functions to use the GK7101's PWM
|
|
** interface.
|
|
**
|
|
** Copyright: 2012 - 2013 (C) GoKe Microelectronics ShangHai Branch
|
|
**
|
|
** \attention THIS SAMPLE CODE IS PROVIDED AS IS. GOKE MICROELECTRONICS
|
|
** ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR
|
|
** OMMISSIONS.
|
|
**
|
|
** \version
|
|
**
|
|
******************************************************************************/
|
|
#ifndef _GD_PWM_H_
|
|
#define _GD_PWM_H_
|
|
#endif
|
|
#include <gtypes.h>
|
|
#include <gmodids.h>
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/* types, enums and structures */
|
|
/*---------------------------------------------------------------------------*/
|
|
/*!
|
|
*******************************************************************************
|
|
**
|
|
** \brief PWM channel number.
|
|
**
|
|
**
|
|
******************************************************************************/
|
|
#define GD_PWM_COUNT 4
|
|
/*!
|
|
*******************************************************************************
|
|
**
|
|
** \brief PWM operition modes.
|
|
**
|
|
** \sa GD_PWM_INIT_PARAMS_S
|
|
**
|
|
******************************************************************************/
|
|
typedef enum
|
|
{
|
|
GD_NORMAL_SPEED,
|
|
GD_SYNC_SPEED,
|
|
}GD_PWM_MODE_E;
|
|
|
|
typedef struct
|
|
{
|
|
U8 channel; /* 0 ~ 3 */
|
|
U16 xon; /* 0x00 ~ 0xffff */
|
|
U16 xoff; /* 0x00 ~ 0xffff */
|
|
}GD_PWM_DUTY_S;
|
|
|
|
typedef enum
|
|
{
|
|
GD_PWM_NO_ERR = 0,
|
|
GD_PWM_ERR_NOT_SUPPORTED_CHANNEL,
|
|
GD_PWM_ERR_NOT_SUPPORTED_FREQUENCY,
|
|
GD_PWM_ERR_NOT_SUPPORTED_RANGE,
|
|
GD_PWM_ERR_WRONG_DUTY_CONFIGURATION,
|
|
GD_PWM_ERR_RANGE_EXCEED_LIMIT,
|
|
}GD_PWM_ERROR_CODE_E;
|
|
|
|
GERR GD_PWM_Init();
|
|
GERR GD_PWM_Cycle(U8 channel, U32 highLevelCnt, U32 lowLevelCnt);
|
|
GERR GD_PWM_Set_Mode(U8 channel, U8 mode);
|
|
GERR GD_PWM_Get_Mode(U8 channel, GD_PWM_MODE_E *mode);
|
|
GERR GD_PwmOnOff(U8 channel,U32 on);
|
|
GERR GD_PWM_Open(U8 channel,U32 iomode);
|
|
GERR GD_PWM_Close(U8 channel);
|
|
GD_PWM_ERROR_CODE_E GD_PWM_Set_Param(U8 channel, U32 frequency, U32 range, U32 duty);
|
|
GERR GD_PWM_Get_Param(U8 channel, U32 *frequency, U32 *duty);
|
|
GERR GD_PWM_Get_Status(U8 channel, U32 *status);
|
|
GERR GD_PWM_Set_Clock_Divider(U8 channel, U8 divider);
|
|
|
|
|
|
|
|
|