科大讯飞XFS5152语音合成SPI驱动的C51源代码

//----------------------------------------------------------------------------- // F32x_SPI0_Master.c //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- // Includes //----------------------------------------------------------------------------- #include "C8051F320.h" // SFR declarations #include <intrins.h> //----------------------------------------------------------------------------- // Global Constants //----------------------------------------------------------------------------- #define SYSCLK 12000000 // Internal oscillator frequency in Hz #define SPI_CLOCK 50000 // Maximum SPI clock // The SPI clock is a maximum of 250 kHz // when this example is used with // the SPI0_Slave code example. #define MAX_BUFFER_SIZE 22 // Maximum buffer Master will send //----------------------------------------------------------------------------- // Global Variables //----------------------------------------------------------------------------- unsigned char SPI_Data_Array[ ] = { 0XFD, 0X00, 0X14, 0X01, 0X01, 0XD1, 0XB6, 0XB7, 0XC9, 0XD3, 0XEF ,0XD2, 0XF4, 0XA3, 0XAC, 0XB9, 0XB5, 0XCD, 0XA8 ,0XCE, 0XDE, 0XCF, 0XDE }; //----------------------------------------------------------------------------- // Function Prototypes //----------------------------------------------------------------------------- sbit S4041RST=P2^2; void PCA0_Init (void); void Oscillator_Init (void); void Port_Init (void); void SPI0_Init (void); void Init_Device (void); void SPI_Delay(unsigned int); void SPI_SendByte(unsigned char); unsigned char SPI_RecvByte(void); unsigned char ReceiveData; #define DELAY_TIME 100 /************************************************************** Name: main() Argu: None Ret: None ***************************************************************/ void main (void) { unsigned int num; Init_Device (); // Initializes hardware peripherals S4041RST=0; SPI_Delay(5000); S4041RST=1; NSSMD0 = 0; SPI_Delay(5000); while(1) { for( num=0 ; num<=MAX_BUFFER_SIZE ; num++ ) //text to speech { SPI_SendByte(SPI_Data_Array[num]); } while(1) { SPI_Delay(50); ReceiveData= SPI_RecvByte( ); if( ReceiveData == 0x4F) { break; } } } } /************************************************************** Name: _SPI_SendByte Function: Send a byte frame data with SPI mode Argu: unsigned char ucSPIByte Ret: None ***************************************************************/ void SPI_SendByte(unsigned char ucSPIByte) { unsigned int uiWait=0; NSSMD0 = 0; while (!TXBMT) /* send buffer empty flag */ { uiWait++; if(uiWait>30000) break; } uiWait=0; SPI0DAT = ucSPIByte; while(!SPIF) /* send finish flag */ { uiWait++; if(uiWait>30000) { uiWait=0; break; } } SPIF = 0; NSSMD0 = 1; SPI_Delay(35); } /************************************************************** Name: _SPI_RecvByte Function: Receive a byte frame data with SPI mode Argu: unsigned char ucSPIByte Ret: None ***************************************************************/ unsigned char SPI_RecvByte(void) { unsigned int uiWait=0; unsigned char ucTemp; NSSMD0 = 0; while(!TXBMT) { uiWait++; if(uiWait>30000) break ; } uiWait=0; SPI0DAT = 0; while(!SPIF) { uiWait++; if(uiWait>30000) { uiWait=0; break ; } } SPIF = 0; NSSMD0 = 1; SPI_Delay(35); ucTemp = SPI0DAT; return(ucTemp); } /************************************************************** Name: PCA0_Init Function: This function disables the watchdog timer. Argu: None Ret: None ***************************************************************/ void PCA0_Init (void) { PCA0MD &= ~0x40; // Disable the Watchdog Timer PCA0MD = 0x00; } /************************************************************** Name: Oscillator_Init Function: This function initializes the system clock to use the internal oscillator at 12 MHz. Argu: None Ret: None ***************************************************************/ void Oscillator_Init (void) { OSCICN = 0x83; // Set the internal oscillator to // 12 MHz } /************************************************************** Name: Port_Init Function: This function configures the crossbar and GPIO ports Argu: None Ret: None P0.0 - SCK (SPI0), Push-Pull, Digital P0.1 - MISO (SPI0), Open-Drain, Digital P0.2 - MOSI (SPI0), Push-Pull, Digital P0.3 - NSS (SPI0), Push-Pull, Digital P2.2 - Skipped, Push-Pull, Digital (LED D4 on Target Board) ***************************************************************/ void PORT_Init (void) { P0MDOUT = 0x0D; // Make SCK, MOSI, and NSS push-pull P2MDOUT = 0x08; // Make the LED push-pull P2SKIP = 0x08; // Skip the LED (P2.2) XBR0 = 0x02; // Enable the SPI on the XBAR XBR1 = 0x40; // Enable the XBAR and weak pull-ups } /************************************************************** Name: SPI0_Init Function: Configures SPI0 to use 4-wire Single Master mode. The SPI timing is configured for Mode 0,0 (data centered on first edge of clock phase and SCK line low in idle state).CKPHA = '0', CKPOL = '0' Argu: None Ret: None ***************************************************************/ void SPI0_Init() { SPI0CFG = 0x40; // Enable the SPI as a Master SPI0CN = 0x0f; // 4-wire Single Master, SPI enabled SPI0CKR = (SYSCLK/(2*SPI_CLOCK))-1; } /************************************************************** Name: Init_Device Function: Calls all device initialization functions. Argu: None Ret: None ***************************************************************/ void Init_Device (void) { PCA0_Init (); Oscillator_Init (); Port_Init (); SPI0_Init (); } /************************************************************** Name: _SPI_Delay Function: Delay some time Argu: unsigned int uiDlyTime Ret: None ***************************************************************/ void SPI_Delay(unsigned int uiDlyTime){ unsigned int i ; for(i=0;i<uiDlyTime;i++) {} } /****************************END******************************/