Add direct I/O code for ESP8266

PaulStoffregen · Apr 25, 2015 · b1b1d7f · b1b1d7f · develpr · Oct 31, 2015
1 parent 7684dff
commit b1b1d7f
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/CapacitiveSensor.h b/CapacitiveSensor.h
@@ -64,6 +64,17 @@
 #define DIRECT_WRITE_LOW(base, mask)    ((*(base+8+1)) = (mask))          //LATXCLR  + 0x24
 #define DIRECT_WRITE_HIGH(base, mask)   ((*(base+8+2)) = (mask))          //LATXSET + 0x28
 
+#elif defined(ARDUINO_ARCH_ESP8266)
+#define PIN_TO_BASEREG(pin)             (portOutputRegister(digitalPinToPort(pin)))
+#define PIN_TO_BITMASK(pin)             (digitalPinToBitMask(pin))
+#define IO_REG_TYPE uint32_t
+#define IO_REG_ASM
+#define DIRECT_READ(base, mask)         (((*(base+6)) & (mask)) ? 1 : 0)    //GPIO_IN_ADDRESS
+#define DIRECT_MODE_INPUT(base, mask)   ((*(base+5)) = (mask))              //GPIO_ENABLE_W1TC_ADDRESS
+#define DIRECT_MODE_OUTPUT(base, mask)  ((*(base+4)) = (mask))              //GPIO_ENABLE_W1TS_ADDRESS
+#define DIRECT_WRITE_LOW(base, mask)    ((*(base+2)) = (mask))              //GPIO_OUT_W1TC_ADDRESS
+#define DIRECT_WRITE_HIGH(base, mask)   ((*(base+1)) = (mask))              //GPIO_OUT_W1TS_ADDRESS
+
 #endif
 
 // some 3.3V chips with 5V tolerant pins need this workaround