int SPI::write(int value) {
lock();
_acquire();
int ret = spi_master_write(&_spi, value);
unlock();
return ret;
}
void indri::index::DiskKeyfileVocabularyIterator::startIteration() {
_acquire();
_bulkIterator->startIteration();
_readData();
_justStartedIteration=true;
}
int SPI::write(const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length) {
lock();
_acquire();
int ret = spi_master_block_write(&_spi, tx_buffer, tx_length, rx_buffer, rx_length, _write_fill);
unlock();
return ret;
}
w_rc_t
latch_t::latch_acquire(latch_mode_t mode, sthread_t::timeout_in_ms timeout)
{
w_assert1(mode != LATCH_NL);
holder_search me(this);
return _acquire(mode, timeout, me.value());
}
void SPI::start_transfer(const void *tx_buffer, int tx_length, void *rx_buffer, int rx_length, unsigned char bit_width, const event_callback_t& callback, int event)
{
lock_deep_sleep();
_acquire();
_callback = callback;
_irq.callback(&SPI::irq_handler_asynch);
spi_master_transfer(&_spi, tx_buffer, tx_length, rx_buffer, rx_length, bit_width, _irq.entry(), event , _usage);
}
bool CChatLog::_checkdate(SYSTEMTIME* lpst)
{
SYSTEMTIME t = _gettime(lpst);
if ((t.wYear != m_st.wYear) || (t.wMonth != m_st.wMonth) || (t.wDay != m_st.wDay))
{
release();
_acquire(&t);
}
return alive();
}
void SPI::frequency(int hz) {
lock();
_hz = hz;
// If changing format while you are the owner then just
// update frequency, but if owner is changed then even frequency should be
// updated which is done by acquire.
if (_owner == this) {
spi_frequency(&_spi, _hz);
} else {
_acquire();
}
unlock();
}
void SPI::format(int bits, int mode) {
lock();
_bits = bits;
_mode = mode;
// If changing format while you are the owner then just
// update format, but if owner is changed then even frequency should be
// updated which is done by acquire.
if (_owner == this) {
spi_format(&_spi, _bits, _mode, 0);
} else {
_acquire();
}
unlock();
}
SPI::SPI(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
_spi(),
#if DEVICE_SPI_ASYNCH
_irq(this),
_usage(DMA_USAGE_NEVER),
_deep_sleep_locked(false),
#endif
_bits(8),
_mode(0),
_hz(1000000),
_write_fill(SPI_FILL_CHAR) {
// No lock needed in the constructor
spi_init(&_spi, mosi, miso, sclk, ssel);
_acquire();
}
