/************************************************************************
* Function: WORD SST25ReadWord(DWORD address)
*
* Overview: this function reads a 16-bit word from the address specified
*
* Input: address
*
* Output: data read
*
************************************************************************/
WORD SST25ReadWord(DWORD address)
{
WORD_VAL temp;
temp.v[0] = SST25ReadByte(address);
temp.v[1] = SST25ReadByte(address + 1);
return (temp.Val);
}
/************************************************************************
* Function: uint16_t SST25ReadWord(DWORD address)
*
* Overview: this function reads a 16-bit word from the address specified
*
* Input: address
*
* Output: data read
*
************************************************************************/
uint16_t SST25ReadWord(uint32_t address)
{
uint16_t temp;
temp = SST25ReadByte(address);
temp |= (uint16_t)(SST25ReadByte(address + 1) << 8 );
return (temp);
}
/************************************************************************
* Function: BYTE SST25WriteArray(DWORD address, BYTE* pData, nCount)
*
* Overview: this function writes a data array at the address specified
*
* Input: flash memory address, pointer to the data array, data number
*
* Output: return 1 if the operation was successfull
*
************************************************************************/
BYTE SST25WriteArray(DWORD address, BYTE *pData, WORD nCount)
{
DWORD addr;
BYTE *pD;
WORD counter;
addr = address;
pD = pData;
// WRITE
for(counter = 0; counter < nCount; counter++)
{
SST25WriteByte(*pD++, addr++);
}
// VERIFY
for(counter = 0; counter < nCount; counter++)
{
if(*pData != SST25ReadByte(address))
return (0);
pData++;
address++;
}
return (1);
}
/************************************************************************
* Function: BYTE SST25WriteArray(DWORD address, BYTE* pData, nCount)
*
* Overview: this function writes a data array at the address specified
*
* Input: flash memory address, pointer to the data array, data number
*
* Output: return 1 if the operation was successfull
*
************************************************************************/
BYTE SST25WriteArray(DWORD address, BYTE *pData, WORD nCount)
{
DWORD addr;
BYTE *pD;
WORD counter;
#if defined(USE_M25P80)
BYTE status;
#endif
addr = address;
pD = pData;
// WRITE
for(counter = 0; counter < nCount; counter++)
{
SST25WriteByte(*pD++, addr++);
}
#if defined(USE_M25P80)
// check status of Write in Progress
// wait for BULK ERASE to be done
SST25CSLow();
SPIPut(spiInitData.channel, SST25_CMD_RDSR);
SPIGet(spiInitData.channel);
while(1)
{
SPIPut(spiInitData.channel, 0);
status = (SPIGet(spiInitData.channel)& SST25_WIP_STATUS);
if ((status & SST25_WIP_STATUS) == 0)
break;
}
SST25CSHigh();
#endif
// VERIFY
for(counter = 0; counter < nCount; counter++)
{
if(*pData != SST25ReadByte(address))
return (0);
pData++;
address++;
}
return (1);
}
/************************************************************************
* Function: BYTE SST25WriteArray(DWORD address, BYTE* pData, nCount)
*
* Overview: this function writes a data array at the address specified
*
* Input: flash memory address, pointer to the data array, data number
*
* Output: return 1 if the operation was successfull
*
************************************************************************/
uint8_t SST25WriteArray(uint32_t address, uint8_t *pData, uint16_t nCount)
{
uint32_t addr;
uint8_t *pD;
uint16_t counter;
#if defined(USE_M25P80)
uint8_t status;
#endif
addr = address;
pD = pData;
// WRITE
for(counter = 0; counter < nCount; counter++)
{
SST25WriteByte(*pD++, addr++);
}
#if defined(USE_M25P80)
// check status of Write in Progress
// wait for BULK ERASE to be done
SST25CSLow();
SPIPut(spiInitData.spiId, SST25_CMD_RDSR);
SPIGet(spiInitData.spiId);
while(1)
{
SPIPut(spiInitData.spiId, 0);
status = (SPIGet(spiInitData.spiId)& SST25_WIP_STATUS);
if ((status & SST25_WIP_STATUS) == 0)
break;
}
SST25CSHigh();
#endif
// VERIFY
for(counter = 0; counter < nCount; counter++)
{
if(*pData != SST25ReadByte(address))
return (0);
pData++;
address++;
}
return (1);
}
