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Repo restyled using astyle (#683)

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The rules are in .tools/astyle/config/style.cfg
and can also be reviewed at
https://www.mysensors.org/view/260#coding-guidelines-core-library
This commit is contained in:
Patrick Fallberg
2016-12-07 23:44:29 +01:00
committed by GitHub
parent d4c4ab82ea
commit 8e1ef13804
167 changed files with 16103 additions and 15168 deletions
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drivers/AVR/DigitalIO/SoftSPI.h
+120 -102
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@@ -18,7 +18,7 @@
* <http://www.gnu.org/licenses/>.
*/
/**
* @file
* @file
* @brief Software SPI.
*
* @defgroup softSPI Software SPI
@@ -48,108 +48,126 @@ const bool SCK_MODE = true;
* @brief Fast software SPI.
*/
template<uint8_t MisoPin, uint8_t MosiPin, uint8_t SckPin, uint8_t Mode = 0>
class SoftSPI {
public:
//----------------------------------------------------------------------------
/** Initialize SoftSPI pins. */
void begin() {
fastPinConfig(MisoPin, MISO_MODE, MISO_LEVEL);
fastPinConfig(MosiPin, MOSI_MODE, !MODE_CPHA(Mode));
fastPinConfig(SckPin, SCK_MODE, MODE_CPOL(Mode));
}
//----------------------------------------------------------------------------
/** Soft SPI receive byte.
* @return Data byte received.
*/
ALWAYS_INLINE uint8_t receive() {
uint8_t data = 0;
receiveBit(7, &data);
receiveBit(6, &data);
receiveBit(5, &data);
receiveBit(4, &data);
receiveBit(3, &data);
receiveBit(2, &data);
receiveBit(1, &data);
receiveBit(0, &data);
return data;
}
//----------------------------------------------------------------------------
/** Soft SPI send byte.
* @param[in] data Data byte to send.
*/
ALWAYS_INLINE void send(uint8_t data) {
sendBit(7, data);
sendBit(6, data);
sendBit(5, data);
sendBit(4, data);
sendBit(3, data);
sendBit(2, data);
sendBit(1, data);
sendBit(0, data);
}
//----------------------------------------------------------------------------
/** Soft SPI transfer byte.
* @param[in] txData Data byte to send.
* @return Data byte received.
*/
ALWAYS_INLINE uint8_t transfer(uint8_t txData) {
uint8_t rxData = 0;
transferBit(7, &rxData, txData);
transferBit(6, &rxData, txData);
transferBit(5, &rxData, txData);
transferBit(4, &rxData, txData);
transferBit(3, &rxData, txData);
transferBit(2, &rxData, txData);
transferBit(1, &rxData, txData);
transferBit(0, &rxData, txData);
return rxData;
}
class SoftSPI
{
public:
//----------------------------------------------------------------------------
/** Initialize SoftSPI pins. */
void begin()
{
fastPinConfig(MisoPin, MISO_MODE, MISO_LEVEL);
fastPinConfig(MosiPin, MOSI_MODE, !MODE_CPHA(Mode));
fastPinConfig(SckPin, SCK_MODE, MODE_CPOL(Mode));
}
//----------------------------------------------------------------------------
/** Soft SPI receive byte.
* @return Data byte received.
*/
ALWAYS_INLINE uint8_t receive()
{
uint8_t data = 0;
receiveBit(7, &data);
receiveBit(6, &data);
receiveBit(5, &data);
receiveBit(4, &data);
receiveBit(3, &data);
receiveBit(2, &data);
receiveBit(1, &data);
receiveBit(0, &data);
return data;
}
//----------------------------------------------------------------------------
/** Soft SPI send byte.
* @param[in] data Data byte to send.
*/
ALWAYS_INLINE void send(uint8_t data)
{
sendBit(7, data);
sendBit(6, data);
sendBit(5, data);
sendBit(4, data);
sendBit(3, data);
sendBit(2, data);
sendBit(1, data);
sendBit(0, data);
}
//----------------------------------------------------------------------------
/** Soft SPI transfer byte.
* @param[in] txData Data byte to send.
* @return Data byte received.
*/
ALWAYS_INLINE uint8_t transfer(uint8_t txData)
{
uint8_t rxData = 0;
transferBit(7, &rxData, txData);
transferBit(6, &rxData, txData);
transferBit(5, &rxData, txData);
transferBit(4, &rxData, txData);
transferBit(3, &rxData, txData);
transferBit(2, &rxData, txData);
transferBit(1, &rxData, txData);
transferBit(0, &rxData, txData);
return rxData;
}
private:
//----------------------------------------------------------------------------
ALWAYS_INLINE bool MODE_CPHA(uint8_t mode) {return (mode & 1) != 0;}
ALWAYS_INLINE bool MODE_CPOL(uint8_t mode) {return (mode & 2) != 0;}
ALWAYS_INLINE void receiveBit(uint8_t bit, uint8_t* data) {
if (MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, !MODE_CPOL(Mode));
}
nop;
nop;
fastDigitalWrite(SckPin,
MODE_CPHA(Mode) ? MODE_CPOL(Mode) : !MODE_CPOL(Mode));
if (fastDigitalRead(MisoPin)) *data |= 1 << bit;
if (!MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, MODE_CPOL(Mode));
}
}
//----------------------------------------------------------------------------
ALWAYS_INLINE void sendBit(uint8_t bit, uint8_t data) {
if (MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, !MODE_CPOL(Mode));
}
fastDigitalWrite(MosiPin, data & (1 << bit));
fastDigitalWrite(SckPin,
MODE_CPHA(Mode) ? MODE_CPOL(Mode) : !MODE_CPOL(Mode));
nop;
nop;
if (!MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, MODE_CPOL(Mode));
}
}
//----------------------------------------------------------------------------
ALWAYS_INLINE void transferBit(uint8_t bit, uint8_t* rxData, uint8_t txData) {
if (MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, !MODE_CPOL(Mode));
}
fastDigitalWrite(MosiPin, txData & (1 << bit));
fastDigitalWrite(SckPin,
MODE_CPHA(Mode) ? MODE_CPOL(Mode) : !MODE_CPOL(Mode));
if (fastDigitalRead(MisoPin)) *rxData |= 1 << bit;
if (!MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, MODE_CPOL(Mode));
}
}
//----------------------------------------------------------------------------
private:
//----------------------------------------------------------------------------
ALWAYS_INLINE bool MODE_CPHA(uint8_t mode)
{
return (mode & 1) != 0;
}
ALWAYS_INLINE bool MODE_CPOL(uint8_t mode)
{
return (mode & 2) != 0;
}
ALWAYS_INLINE void receiveBit(uint8_t bit, uint8_t* data)
{
if (MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, !MODE_CPOL(Mode));
}
nop;
nop;
fastDigitalWrite(SckPin,
MODE_CPHA(Mode) ? MODE_CPOL(Mode) : !MODE_CPOL(Mode));
if (fastDigitalRead(MisoPin)) {
*data |= 1 << bit;
}
if (!MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, MODE_CPOL(Mode));
}
}
//----------------------------------------------------------------------------
ALWAYS_INLINE void sendBit(uint8_t bit, uint8_t data)
{
if (MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, !MODE_CPOL(Mode));
}
fastDigitalWrite(MosiPin, data & (1 << bit));
fastDigitalWrite(SckPin,
MODE_CPHA(Mode) ? MODE_CPOL(Mode) : !MODE_CPOL(Mode));
nop;
nop;
if (!MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, MODE_CPOL(Mode));
}
}
//----------------------------------------------------------------------------
ALWAYS_INLINE void transferBit(uint8_t bit, uint8_t* rxData, uint8_t txData)
{
if (MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, !MODE_CPOL(Mode));
}
fastDigitalWrite(MosiPin, txData & (1 << bit));
fastDigitalWrite(SckPin,
MODE_CPHA(Mode) ? MODE_CPOL(Mode) : !MODE_CPOL(Mode));
if (fastDigitalRead(MisoPin)) {
*rxData |= 1 << bit;
}
if (!MODE_CPHA(Mode)) {
fastDigitalWrite(SckPin, MODE_CPOL(Mode));
}
}
//----------------------------------------------------------------------------
};
#endif // SoftSPI_h
/** @} */