#include    "ISD2360.h"

/******************************************************************************
��������ISD_Init
��  �ܣ���ʼ��ISD����оƬ
��  ������
����ֵ����
******************************************************************************/
void ISD_Init(void)
{
  Sim_SPI_Master_Start(SIM_SPI_MODE_3, SIM_SPI_MSB_FIRST);
  
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_RESET_CODE);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Power_Up
��  �ܣ�����ISD����оƬ��Դ
��  ������
����ֵ����
******************************************************************************/
void ISD_Power_Up(void)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_PWR_UP_CODE);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Power_Down
��  �ܣ��ر�ISD����оƬ��Դ
��  ������
����ֵ����
******************************************************************************/
void ISD_Power_Down(void)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_PWR_DN_CODE);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Play_Vp
��  �ܣ�����ָ������Դ
��  ����Index����Դ���
����ֵ����
******************************************************************************/
void ISD_Play_Vp(uint16_t Index)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_PLAY_VP_CODE);
  Sim_SPI_Master_Byte_Write((uint8_t)(Index >> 8));
  Sim_SPI_Master_Byte_Write((uint8_t)Index);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Stop
��  �ܣ�ֹͣ��������
��  ������
����ֵ����
******************************************************************************/
void ISD_Stop(void)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_STOP_CODE);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Play_Vp_Loop
��  �ܣ�ѭ������ָ������Դ
��  ����Index  ����Դ���
        LoopCnt��ѭ�����ŵĴ���,0��ʾ����ѭ������
����ֵ����
******************************************************************************/
void ISD_Play_Vp_Loop(uint16_t Index, uint16_t LoopCnt)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_PLAY_VP_LP_CODE);
  Sim_SPI_Master_Byte_Write((uint8_t)(Index >> 8));
  Sim_SPI_Master_Byte_Write((uint8_t)Index);
  Sim_SPI_Master_Byte_Write((uint8_t)(LoopCnt >> 8));
  Sim_SPI_Master_Byte_Write((uint8_t)LoopCnt);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Stop_Loop
��  �ܣ�ֹͣѭ������
��  ������
����ֵ����
******************************************************************************/
void ISD_Stop_Loop(void)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_STOP_LP_CODE);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Set_Volume
��  �ܣ����ò�������
��  ����Volume������(˥��)ֵ,��Ϊ0x00(Ĭ��)ʱ�������,��Ϊ0xFFʱ������С
����ֵ����
******************************************************************************/
void ISD_Set_Volume(uint8_t Volume)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_WR_CFG_REG_CODE);
  Sim_SPI_Master_Byte_Write(0x03);
  Sim_SPI_Master_Byte_Write(Volume);
  AUDIO_nCS = 1;
}

/******************************************************************************
��������ISD_Select_Channel
��  �ܣ�ѡ�񲥷�ͨ��
��  ����ChNum��ѡ���ͨ����ISD_CHANNEL_0(Ĭ��)
                           ISD_CHANNEL_1
                           ISD_CHANNEL_2
                           ISD_CHANNEL_ALL
����ֵ����
******************************************************************************/
void ISD_Select_Channel(uint8_t ChNum)
{
  AUDIO_nCS = 0;
  Sim_SPI_Master_Byte_Write(ISD_WR_CFG_REG_CODE);
  Sim_SPI_Master_Byte_Write(0x0C);
  Sim_SPI_Master_Byte_Write(ChNum);
  AUDIO_nCS = 1;
}