Diff: S25FL256S.cpp

Revision:

6:b3c242976f7e

Parent:

5:c2707c92ecb5

--- a/S25FL256S.cpp	Mon May 21 07:50:39 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,258 +0,0 @@
-// S25FL256S.cpp
-
-#include"S25FL256S.h"
-
-// CONSTRUCTOR
-S25FL256S::S25FL256S(PinName mosi, PinName miso, PinName sclk, PinName cs) : SPI(mosi, miso, sclk), _cs(cs)
-{
-    this->format(SPI_NBIT, SPI_MODE);
-    this->frequency(SPI_FREQ);
-    chipDisable();
-}
-// READING
-int S25FL256S::readByte(int addr)
-{
-    chipEnable();
-    this->write(FOUR_READ);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    int response = this->write(DUMMY_ADDR);
-    chipDisable();
-    return response;
-}
-
-void S25FL256S::readStream(int addr, char* buf, int count)
-{
-    if (count < 1)
-        return;
-    chipEnable();
-    this->write(FOUR_READ);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    for (int i = 0; i < count; i++) {
-        buf[i] =  this->write(DUMMY_ADDR);
-        printf("i= %d   :%c \r\n",i,buf[i]);
-    }
-    chipDisable();
-}
-
-// WRITING
-void S25FL256S::writeByte(int addr, int data)
-{
-    writeEnable();
-    chipEnable();
-    this->write(FOUR_PP);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    this->write(data);
-    chipDisable();
-    writeDisable();
-    // wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-}
-
-void S25FL256S::writeStream(int addr, char* buf, int count)
-{
-    if (count < 1)
-        return;
-    writeEnable();
-    wait(0.1);
-    chipEnable();
-    this->write(FOUR_PP);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    for (int i = 0; i < count; i++) {
-        this->write(buf[i]);
-    }
-    wait(0.1);
-    chipDisable();
-    writeDisable();
-    wait(WAIT_TIME);
-}
-
-void S25FL256S::writeString(int addr, string str)
-{
-    if (str.length() < 1)
-        return;
-    writeEnable();
-    chipEnable();
-    this->write(FOUR_PP);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    for (int i = 0; i < str.length(); i++)
-        this->write(str.at(i));
-    chipDisable();
-    writeDisable();
-    wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-}
-
-
-
-uint8_t S25FL256S::readRegister()
-{
-
-    chipEnable();
-    this->write(RDSR1);
-    uint8_t val=this->write(DUMMY_ADDR);
-    chipDisable();
-   //wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-    //printf("value of reg is %X  \r\n",val);
-    return(val);
-
-}
-//ERASING
-void S25FL256S::chipErase()
-{
-    writeEnable();
-    chipEnable();
-    this->write(BE);
-    chipDisable();
-    writeDisable();
-    wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-}
-
-void S25FL256S::Read_Identification(uint8_t *buf)
-{
-
-
-    chipEnable();
-    this->write(RDID);
-    for(int i=0; i<80; i++)
-        buf[i]=this->write(DUMMY_ADDR);
-    chipDisable();
-    wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-}
-
-void S25FL256S::sectorErase(int addr)
-{
-    writeEnable();
-    chipEnable();
-    this->write(FOUR_SE);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    chipDisable();
-    writeDisable();
-    wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-}
-void S25FL256S::reset()
-{
-    writeEnable();
-    chipEnable();
-    this->write(RESET);
-    chipDisable();
-    writeDisable();
-}
-
-uint8_t S25FL256S::checkIfBusy()
-{
-    uint8_t value=readRegister();
-    printf("Value of Status Reg=%X\r\n\r\n",value);
-    if((value&0x01)==0x01)
-        return 1;
-    else
-        return 0;
-
-}
-void S25FL256S::writeRegister(uint8_t regValue)
-{
-    writeEnable();
-    chipEnable();
-    this->write(WRR);
-    this->write(regValue);
-    chipDisable();
-    writeDisable();
-    wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-
-}
-
-void S25FL256S::clearRegister(void)
-{
-    writeEnable();
-    chipEnable();
-    this->write(CLSR);
-    chipDisable();
-    writeDisable();
-    wait(WAIT_TIME);//instead of wait poll for WIP flag of status reg or use checkIfBusy() function...see main for more dtails 
-
-}
-
-
-void S25FL256S::writeLong(int addr, long value)
-{
-    //Decomposition from a long to 4 bytes by using bitshift.
-    //One = Most significant -> Four = Least significant byte
-    uint8_t four = (value & 0xFF);
-    uint8_t three = ((value >> 8) & 0xFF);
-    uint8_t two = ((value >> 16) & 0xFF);
-    uint8_t one = ((value >> 24) & 0xFF);
-
-    writeEnable();
-    chipEnable();
-    this->write(FOUR_PP);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-    this->write(four);
-    this->write(three);
-    this->write(two);
-    this->write(one);
-    chipDisable();
-    writeDisable();
-    wait(0.1);
-}
-
-long S25FL256S::raedLong(int addr)
-{
-    //Read the 4 bytes from the eeprom memory.
-    writeEnable();
-    chipEnable();
-    this->write(FOUR_READ);
-    this->write((addr & ADDR_BMASK3) >> ADDR_BSHIFT3);
-    this->write((addr & ADDR_BMASK2) >> ADDR_BSHIFT2);
-    this->write((addr & ADDR_BMASK1) >> ADDR_BSHIFT1);
-    this->write((addr & ADDR_BMASK0) >> ADDR_BSHIFT0);
-
-    long four = this->write(DUMMY_ADDR);
-    long three = this->write(DUMMY_ADDR);
-    long two = this->write(DUMMY_ADDR);
-    long one = this->write(DUMMY_ADDR);
-
-    //Return the recomposed long by using bitshift.
-    return ((four << 0) & 0xFF) + ((three << 8) & 0xFFFF) + ((two << 16) & 0xFFFFFF) + ((one << 24) & 0xFFFFFFFF);
-}
-
-
-//ENABLE/DISABLE (private functions)
-void S25FL256S::writeEnable()
-{
-    chipEnable();
-    this->write(WREN);
-    chipDisable();
-}
-void S25FL256S::writeDisable()
-{
-    chipEnable();
-    this->write(WRDI);
-    chipDisable();
-}
-void S25FL256S::chipEnable()
-{
-    _cs = 0;
-}
-void S25FL256S::chipDisable()
-{
-    _cs = 1;
-}
-