cores/arduino/wiring_LL.h

@@ -0,0 +1,29 @@
+#ifndef _WIRING_LL_H_
+#define _WIRING_LL_H_
+
+#include "mik32_hal_irq.h" 
+#include "mik32_hal_gpio.h"
+#include "mik32_hal_scr1_timer.h"
+
+// ----------------- Systick ----------------- //
+// get ticks from systick
+#define SYSTICK_GET_TICKS()     ((uint64_t)(SCR1_TIMER->MTIMEH)<<32 | SCR1_TIMER->MTIME)
+
+
+// ----------------- IRQ ----------------- //
+#define GLOBAL_IRQ_DISABLE()    (clear_csr(mie, MIE_MEIE))
+#define GLOBAL_IRQ_ENABLE()     set_csr(mstatus, MSTATUS_MIE); \
+                                set_csr(mie, MIE_MEIE)
+
+// ----------------- GPIO ----------------- //
+#define GPIO_SET_PIN(GPIO_x, pin)         ((GPIO_x)->SET = (pin))
+#define GPIO_CLEAR_PIN(GPIO_x, pin)       ((GPIO_x)->CLEAR = (pin))
+#define GPIO_READ_PIN(GPIO_x, pin)        (((GPIO_x)->SET & (pin)) != (uint32_t)GPIO_PIN_LOW ? GPIO_PIN_HIGH : GPIO_PIN_LOW)
+
+// ----------------- GPIO IRQ ----------------- //
+#define GPIO_IRQ_LINE_ENABLE(lineMask)    ( GPIO_IRQ->ENABLE_SET = (1 << (lineMask >> GPIO_IRQ_LINE_S)) )
+#define GPIO_IRQ_LINE_DISABLE(lineMask)   ( GPIO_IRQ->ENABLE_CLEAR = (1 << (lineMask >> GPIO_IRQ_LINE_S)) )
+#define GPIO_IRQ_CLEAR_ALL()              (GPIO_IRQ->CLEAR = 0b11111111)
+
+
+#endif /* _WIRING_LL_H_ */

libraries/SoftwareSerial/src/SoftwareSerial.cpp

@@ -19,30 +19,11 @@ http://arduiniana.org.
 
 #include <Arduino.h>
 #include <SoftwareSerial.h>
-#include "mik32_hal_irq.h" 
-#include "mik32_hal_gpio.h"
-#include "mik32_hal_scr1_timer.h"
+#include "wiring_LL.h" 
 
 #define MAX_SOFT_SERIAL_SPEED 115200
 #define MIN_SOFT_SERIAL_SPEED 300
 
-// --------- TO LL ---------
-// get ticks from systick
-#define SYSTICK_GET_TICKS()           ((uint64_t)(SCR1_TIMER->MTIMEH)<<32 | SCR1_TIMER->MTIME)
-
-#define GPIO_SET_PIN(GPIO_x, pin)     ((GPIO_x)->SET = (pin))
-#define GPIO_CLEAR_PIN(GPIO_x, pin)   ((GPIO_x)->CLEAR = (pin))
-#define GPIO_READ_PIN(GPIO_x, pin)    (((GPIO_x)->SET & (pin)) != (uint32_t)GPIO_PIN_LOW ? GPIO_PIN_HIGH : GPIO_PIN_LOW)
-
-#define GPIO_IRQ_LINE_ENABLE(lineMask)    ( GPIO_IRQ->ENABLE_SET = (1 << (lineMask >> GPIO_IRQ_LINE_S)) )
-#define GPIO_IRQ_LINE_DISABLE(lineMask)   ( GPIO_IRQ->ENABLE_CLEAR = (1 << (lineMask >> GPIO_IRQ_LINE_S)) )
-#define GPIO_IRQ_CLEAR_ALL()              (GPIO_IRQ->CLEAR = 0b11111111)
-#define GLOBAL_IRQ_DISABLE()    (clear_csr(mie, MIE_MEIE))
-#define GLOBAL_IRQ_ENABLE()     set_csr(mstatus, MSTATUS_MIE); \
-                                set_csr(mie, MIE_MEIE)
-// --------- TO LL ---------
-
-
 // Statics
 // static variable is common to all class instances
 SoftwareSerial *SoftwareSerial::active_object = 0;
@@ -279,14 +260,13 @@ void SoftwareSerial::begin(long speed)
       _rx_delay_stopbit+=30;
     }
 
-    // Save start bit polarity - low to high if _inverse_logic
-    _int_mode = _inverse_logic ? (uint8_t)GPIO_INT_MODE_RISING : (uint8_t)GPIO_INT_MODE_FALLING;
-    // Save gpio_mux and gpio_line for on/off interrupts
-    _int_maskMux = digitalPinToGpioIntMux(_receivePin);   // gpio mux value
-    _int_maskLine = digitalPinToGpioIntLine(_receivePin); // gpio irq line value
-    HAL_GPIO_InitInterruptLine((HAL_GPIO_Line_Config) _int_maskMux, (HAL_GPIO_InterruptMode)_int_mode);
-    GPIO_IRQ_LINE_DISABLE(_int_maskLine); // turn off int
-    HAL_EPIC_MaskEdgeSet(HAL_EPIC_GPIO_IRQ_MASK);         // turn on the mask in EPIC
+    // Save gpio_line for turning on/off interrupts
+    _int_maskLine = digitalPinToGpioIntLine(_receivePin);
+    // Init interrupt line
+    HAL_GPIO_InitInterruptLine((HAL_GPIO_Line_Config)digitalPinToGpioIntMux(_receivePin), 
+                               _inverse_logic ? GPIO_INT_MODE_RISING : GPIO_INT_MODE_FALLING);
+    GPIO_IRQ_LINE_DISABLE(_int_maskLine);           // turn off int line (it turning on while line init)
+    HAL_EPIC_MaskEdgeSet(HAL_EPIC_GPIO_IRQ_MASK);   // turn on the mask in EPIC
   }
   else
     ErrorMsgHandler("SoftwareSerial.begin(): Rx pin does not support interrupts, use different pin");
@@ -302,12 +282,10 @@ void SoftwareSerial::begin(long speed)
 
 void SoftwareSerial::setRxIntMsk(bool enable)
 {
-    if (enable)
-      // enable interrupt line 
-      GPIO_IRQ_LINE_ENABLE(_int_maskLine);
-    else
-      // disable interrupt line 
-      GPIO_IRQ_LINE_DISABLE(_int_maskLine);
+  if (enable)
+    GPIO_IRQ_LINE_ENABLE(_int_maskLine);
+  else
+    GPIO_IRQ_LINE_DISABLE(_int_maskLine);
 }
 
 void SoftwareSerial::end()

libraries/SoftwareSerial/src/SoftwareSerial.h

@@ -46,9 +46,7 @@ private:
   uint8_t _transmitPin;
   uint16_t _transmitBitMask;
   uint32_t _transmitPortRegister;
-  uint8_t _int_maskMux;
   uint8_t _int_maskLine;
-  uint8_t _int_mode;
 
   // must never be 0!
   uint32_t _rx_delay_centering;