void SMI::write(byte HB, byte LB, byte target[]) {
start();
//OP code
opWrite();
putAddress(HB, LB); //send register address
writeTurnA();
sendData(target, 2);
}
/**
* Set bits in EEPROM 4-wire interface.
*
* @param u32Wires Values of DI, CS, SK.
* @remarks The value of DO bit in 'u32Wires' is ignored.
*/
void EEPROM93C46::write(uint32_t u32Wires)
{
if (u32Wires & WIRES_CS) {
if (!(m_u32InternalWires & WIRES_SK) && (u32Wires & WIRES_SK)) {
/* Positive edge of clock */
if (m_eState == STANDBY) {
if (u32Wires & WIRES_DI) {
m_eState = READING_DI;
m_eOp = OP_DECODE;
m_u16Mask = OPADDR_MSB;
m_u16Word = 0;
}
}
else {
if (m_eState == READING_DI) {
if (u32Wires & WIRES_DI) {
m_u16Word |= m_u16Mask;
}
}
else if (m_eState == WRITING_DO) {
m_u32InternalWires &= ~WIRES_DO;
if (m_u16Word & m_u16Mask) {
m_u32InternalWires |= WIRES_DO;
}
}
else return;
/* Next bit */
m_u16Mask >>= 1;
if (m_u16Mask == 0)
{
switch (this->m_eOp)
{
case OP_READ:
m_eState = opRead();
break;
case OP_WRITE:
m_eState = opWrite();
break;
case OP_WRITE_ALL:
m_eState = opWriteAll();
break;
case OP_DECODE:
m_eState = opDecode();
break;
default:
;
}
}
}
}
else if (m_eState == WAITING_CS_RISE) {
m_u32InternalWires |= WIRES_DO; /* ready */
m_eState = STANDBY;
}
}
OutputStream& OutputStream::operator<<(uint32_t& c_) {
return opWrite(&c_,sizeof(c_));
}
