CY14NVSRAMKIT-001 nvSRAM Development Kit User Guide, Doc. # 002-03522 Rev. *A
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Kit Example Firmware
*****************************************************************************/
void nvSRAMRead (uint32_t address, uint8_t length, uint8_t *txData)
{
uint16_t tempData;
uint8_t u8Counter;
for (u8Counter = 0u; u8Counter < length; u8Counter = u81)
{
tempData = *((uint16_t*)(nvSRAM_BASE_A ((a u8Counter) * 2)));
// MCU reads 16-bit data
txData[(u8Counter*2)] = (uint8_t)(tempData>>8);
//Stores lower byte of 16-bit read data
txData[(u8Counter*2)+1] = (uint8_t)(tempData);
//Stores upper byte of 16-bit read data
}
}
6.2.2
void nvSRAMWrite (uint32_t address, uint16_t data)
/*******************************************************************************
** \param address - memory address
** \param data - data word to write
**
*****************************************************************************/
void nvSRAMWrite (uint32_t address, uint16_t data)
{
*(uint16_t*)(nvSRAM_BASE_A (address * 2)) = data;
// MCU writes 16-bit data to nvSRAM
}
6.2.3
void nvSRAMWriteFullMem (uint16_t data1, uint16_t data2)
/*******************************************************************************
** \param data1 - data word (data1) to write
** \param data2 - data word (data2) to write
**
*****************************************************************************/
void nvSRAMWriteFullMem (uint16_t data1, uint16_t data2)
{
uint32_t u32Counter;
for (u32Counter = 0u; u32Counter < nvSRAM_MEM_SIZE; u32Counter=u322)
{
*(uint16_t*)(nvSRAM_BASE_A (u32Counter * 2)) = data1;
*(uint16_t*)(nvSRAM_BASE_A ((u32C 1) * 2)) = data2;
}
}
6.2.4
void nvSRAMReadRTC (uint8_t address, uint8_t length, uint8_t *txData)
/******************************************************************************
** \param address - RTC address
** \param length - number of bytes to read
** \param txData - read data buffer
**
*****************************************************************************/
void nvSRAMReadRTC (uint8_t address, uint8_t length, uint8_t *txData)
{
uint16_t tempData;
uint8_t u8Counter;
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