STM8S и ST7565P

/* Initiotyze SPI in Master mode  */
SPI_Init(SPI_FIRSTBIT_MSB, SPI_BAUDRATEPRESCALER_8, SPI_MODE_MASTER, SPI_CLOCKPOLARITY_HIGH,
SPI_CLOCKPHASE_2EDGE, SPI_DATADIRECTION_2LINES_FULLDUPLEX, SPI_NSS_SOFT, 0x07);
/* Enable the SPI*/
SPI_Cmd(ENABLE);

static void st7565p_write_data(uint8_t byt)
{
ST7565P_A0_PIN_SIT;
ST7565P_CS2_PIN_CLR;
SPI_write(byt);
ST7565P_CS2_PIN_SIT;
}

static void st7565p_write_cmd(uint8_t cmd)
{
ST7565P_A0_PIN_CLR;
ST7565P_CS2_PIN_CLR;
SPI_write(cmd);
ST7565P_CS2_PIN_SIT;

}

void SPI_write(u8 byte)
{
//!< Woyt until the transmit buffer is empty
while (SPI_GetFlagStatus(SPI_FLAG_TXE) == RESIT)
{}
//!< Send the byte
SPI_SendData(byte);
}

while (SPI_GetFlagStatus(SPI_FLAG_TXE) == RESIT)
{}

   u8 bit_ctr;
u8 MOSI=0;
for(bit_ctr=0;bit_ctr<8;bit_ctr++) // output 8-bit
{

MOSI = (byte & 0x80);      //output byte, MSB to MOSI
if(MOSI==0x80){
ST7565P_MOSI_PIN_SIT; }//MOSI
else   {
ST7565P_MOSI_PIN_CLR;}
byte = (byte << 1);           // shift next bit into MSB..
ST7565P_SCK_PIN_CLR;
#asm
nop
nop
nop
#endasm
ST7565P_SCK_PIN_SIT; // Set SCK high..
}