Merge pull request #582 from ogatatsu/spi

Add the setPins function to the SPI class.

Author: hathach

libraries/SPI/SPI.cpp

@@ -143,6 +143,13 @@ void SPIClass::endTransaction(void)
   nrf_spim_disable(_spim.p_reg);
 }
 
+void SPIClass::setPins(uint8_t uc_pinMISO, uint8_t uc_pinSCK, uint8_t uc_pinMOSI)
+{
+  _uc_pinMiso = g_ADigitalPinMap[uc_pinMISO];
+  _uc_pinSCK = g_ADigitalPinMap[uc_pinSCK];
+  _uc_pinMosi = g_ADigitalPinMap[uc_pinMOSI];
+}
+
 void SPIClass::setBitOrder(BitOrder order)
 {
   this->_bitOrder = (order == MSBFIRST ? NRF_SPIM_BIT_ORDER_MSB_FIRST : NRF_SPIM_BIT_ORDER_LSB_FIRST);

libraries/SPI/SPI.h

@@ -82,6 +82,7 @@ class SPIClass {
     void begin();
     void end();
 
+    void setPins(uint8_t uc_pinMISO, uint8_t uc_pinSCK, uint8_t uc_pinMOSI);
     void setBitOrder(BitOrder order);
     void setDataMode(uint8_t uc_mode);
     void setClockDivider(uint32_t uc_div);

libraries/SPI/SPI_nrf52832.cpp

@@ -123,6 +123,13 @@ void SPIClass::endTransaction(void)
   _p_spi->ENABLE = (SPI_ENABLE_ENABLE_Disabled << SPI_ENABLE_ENABLE_Pos);
 }
 
+void SPIClass::setPins(uint8_t uc_pinMISO, uint8_t uc_pinSCK, uint8_t uc_pinMOSI)
+{
+  _uc_pinMiso = g_ADigitalPinMap[uc_pinMISO];
+  _uc_pinSCK = g_ADigitalPinMap[uc_pinSCK];
+  _uc_pinMosi = g_ADigitalPinMap[uc_pinMOSI];
+}
+
 void SPIClass::setBitOrder(BitOrder order)
 {
   this->_bitOrder = (order == MSBFIRST ? SPI_CONFIG_ORDER_MsbFirst : SPI_CONFIG_ORDER_LsbFirst);