mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
Diff: drivers/BusOut.cpp
- Revision:
- 187:0387e8f68319
- Parent:
- 149:156823d33999
- Child:
- 189:f392fc9709a3
--- a/drivers/BusOut.cpp Fri Jun 22 16:45:37 2018 +0100 +++ b/drivers/BusOut.cpp Thu Sep 06 13:40:20 2018 +0100 @@ -18,12 +18,13 @@ namespace mbed { -BusOut::BusOut(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) { +BusOut::BusOut(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) +{ PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15}; // No lock needed in the constructor _nc_mask = 0; - for (int i=0; i<16; i++) { + for (int i = 0; i < 16; i++) { _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0; if (pins[i] != NC) { _nc_mask |= (1 << i); @@ -31,10 +32,11 @@ } } -BusOut::BusOut(PinName pins[16]) { +BusOut::BusOut(PinName pins[16]) +{ // No lock needed in the constructor _nc_mask = 0; - for (int i=0; i<16; i++) { + for (int i = 0; i < 16; i++) { _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0; if (pins[i] != NC) { _nc_mask |= (1 << i); @@ -42,18 +44,20 @@ } } -BusOut::~BusOut() { +BusOut::~BusOut() +{ // No lock needed in the destructor - for (int i=0; i<16; i++) { + for (int i = 0; i < 16; i++) { if (_pin[i] != 0) { delete _pin[i]; } } } -void BusOut::write(int value) { +void BusOut::write(int value) +{ lock(); - for (int i=0; i<16; i++) { + for (int i = 0; i < 16; i++) { if (_pin[i] != 0) { _pin[i]->write((value >> i) & 1); } @@ -61,10 +65,11 @@ unlock(); } -int BusOut::read() { +int BusOut::read() +{ lock(); int v = 0; - for (int i=0; i<16; i++) { + for (int i = 0; i < 16; i++) { if (_pin[i] != 0) { v |= _pin[i]->read() << i; } @@ -73,35 +78,41 @@ return v; } -BusOut& BusOut::operator= (int v) { +BusOut &BusOut::operator= (int v) +{ // Underlying write is thread safe write(v); return *this; } -BusOut& BusOut::operator= (BusOut& rhs) { +BusOut &BusOut::operator= (BusOut &rhs) +{ // Underlying write is thread safe write(rhs.read()); return *this; } -DigitalOut& BusOut::operator[] (int index) { +DigitalOut &BusOut::operator[](int index) +{ // No lock needed since _pin is not modified outside the constructor MBED_ASSERT(index >= 0 && index <= 16); MBED_ASSERT(_pin[index]); return *_pin[index]; } -BusOut::operator int() { +BusOut::operator int() +{ // Underlying read is thread safe return read(); } -void BusOut::lock() { +void BusOut::lock() +{ _mutex.lock(); } -void BusOut::unlock() { +void BusOut::unlock() +{ _mutex.unlock(); }