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