Display 8 Bit SPI

#define _SUPPRESS_PLIB_WARNING 1

#include <p32xxxx.h>

#include <stdio.h>

#include <stdlib.h>

#include <plib.h>

//#include <math.h>

#include "SPI_ERC240.h"

// SYSCLK = 80 MHz (8MHz Crystal / FPLLIDIV * FPLLMUL / FPLLODIV)

// PBCLK = 80 MHz (SYSCLK / FPBDIV)

// Primary Osc w/PLL (XT+,HS+,EC+PLL)

// WDT OFF

// Other options are don't care

#pragma config FPLLMUL = MUL_20, FPLLIDIV = DIV_2, FPLLODIV = DIV_1, FWDTEN = OFF

#pragma config POSCMOD = HS, FNOSC = PRIPLL, FPBDIV = DIV_1 // Primary Oszillator -> HS: High Speed crystal

#define SYS_FREQ (80000000L)

int main() {

    // Configure the device for maximum performance but do not change the PBDIV

    // Given the options, this function will change the flash wait states, RAM

    // wait state and enable prefetch cache but will not change the PBDIV.

    // The PBDIV value is already set via the pragma FPBDIV option above.

    SYSTEMConfig(SYS_FREQ, SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);

    ERC_CS_OUT;     // Chipselext Ausgang

    ERC_RES_OUT;    // Reset Ausgang

    ERC_CD_OUT;     // CD Ausgang

    SpiChannel spiChn=SPI_CHANNEL1;  // the SPI channel to use

//    OpenSPI1(SPI_MODE8_ON | MASTER_ENABLE_ON  | CLK_POL_ACTIVE_LOW | SPI_CKE_OFF, SPI_ENABLE);

    OpenSPI1(SPI_MODE8_ON | MASTER_ENABLE_ON  | CLK_POL_ACTIVE_LOW |  SPI_CKE_ON | SEC_PRESCAL_8_1  | PRI_PRESCAL_64_1, SPI_ENABLE);

//    OpenSPI1(SPI_MODE8_ON | MASTER_ENABLE_ON  | CLK_POL_ACTIVE_HIGH | SPI_CKE_ON | SEC_PRESCAL_8_1 | PRI_PRESCAL_16_1, SPI_ENABLE);

//    OpenSPI1(SPI_MODE8_ON | MASTER_ENABLE_ON  | CLK_POL_ACTIVE_HIGH | SPI_CKE_OFF | SEC_PRESCAL_8_1 | PRI_PRESCAL_16_1, SPI_ENABLE);

//    ConfigIntSPI1(SPI_TX_INT_EN | SPI_RX_INT_EN | SPI_FAULT_INT_EN);

//    spi_init();

    ERC_CS_1;

    waitlcd(1000);

    Initial();

    waitlcd(1000);

    Clear_Display();

    while(1)

    {

        Display_Picture(pic240120);

        show_character('A');

               Display_Picture(pic240120);

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA7);//--set inverse display

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA6);//--set normal display

    Display_Picture(pic2401201);

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA7);//--set inverse display

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA6);//--set normal display

    Display_Picture(pic2401202);

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA7);//--set inverse display

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA6);//--set normal display

    Clear_Display();

    Display_Chinese(font);

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA7);//--set inverse display

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA6);//--set normal display

    Display_Chinese_Column(font);

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA7);//--set inverse display

    Display_Chinese_Column(font);

    Delay(65000);

      Delay(65000);

    Write_Instruction(0xA6);//--set normal display

    show_character(character);

    }

//    return;

SPI_ERC240.c:

void Write_Data(unsigned char dat)

{

    ERC_CS_0;

    ERC_CD_1;         //  Instruction auf 1 ziehen

    SPI_Write(dat);

    ERC_CS_1;

    return;

}

void Write_Instruction(unsigned char cmd)

{

    ERC_CS_0;

    ERC_CD_0;      //  Instruction auf 0 ziehen

    SPI_Write(cmd);

    ERC_CS_1;

    return;

}

void Initial(void)

{

        ERC_RES_1;

//  RST=1;

//  Delay(200);

        waitlcd(2000);

//  RST=0;

        ERC_RES_0;

        waitlcd(2000);

//  Delay(200);

//  RST=1;

        ERC_RES_1;

//  Delay(200);

        waitlcd(2000);

  Write_Instruction(0xE2);//system reset

//  Delay(200);

        waitlcd(200);

  Write_Instruction(0x27);// Multiples rate :128   set temperature consenpation

     Write_Instruction(0xC4);//set LCD mapping control   MX=1,MY=0

  Write_Instruction(0xEA);//set bias:1/12bias

  Write_Instruction(0x81);//Set Gain and Potentiometer

    Write_Instruction(0x40|Contrast_level);//Set Gain and Potentiometer  xx xxxxxx

  Write_Instruction(0x2f);//Power Control:internal

  Write_Instruction(0x40);//Set Start Line

  Write_Instruction(0xA4);//--set normal display

//  Write_Instruction(0xA5);//--set  all pixel on

  Write_Instruction(0xA6);//--set normal display

//  Write_Instruction(0xA7);//--set inverse display

  Write_Instruction(0x89);//set RAM Address control

//    Write_Instruction(0x90);//set fixed lines      1001xxxx

    Write_Instruction(0xB0);//set pageaddress

     Write_Instruction(0xAf);//set Display Enable

}

void Clear_Display(void)

{

    unsigned char i,j;

  for(i=0;i<15;i++)

  {

            Set_Page_Address(i);

            Set_Column_Address(0x00);

        for(j=0;j<240;j++)

    {

        Write_Data(00);

    }

  }

 return;

}

void Display_Picture(unsigned char pic[])

{

    unsigned char i,j,num=0;

  for(i=0;i<15;i++)

  {

  Set_Page_Address(i);

    Set_Column_Address(0x00);

        for(j=0;j<240;j++)

    {

        Write_Data(pic[num*240+j]);

    }

    num++;

  }

    return;

}

}

unsigned char SPI_Write (unsigned char c)

{

    SPI1BUF = c;                   // send data to slave

    while (SPI1STATbits.SPIBUSY);  // wait until SPI transmission complete

    return SPI1BUF;

}