prepare wiring_digital.c for splitting

tenbaht · tenbaht · commit 6fdb60a433c0 · 2019-01-08T13:18:32.000+01:00
diff --git a/sduino/hardware/sduino/stm8/cores/sduino/wiring_digital-tables.c b/sduino/hardware/sduino/stm8/cores/sduino/wiring_digital-tables.c
@@ -0,0 +1,32 @@
+/*
+  wiring_digital.c - digital input and output functions
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+
+/*
+ * compile the tables from pins_arduino.h
+ *
+ */
+#define ARDUINO_MAIN
+#include "wiring_private.h"
+#include "pins_arduino.h"
diff --git a/sduino/hardware/sduino/stm8/cores/sduino/wiring_digital.c b/sduino/hardware/sduino/stm8/cores/sduino/wiring_digital.c
@@ -22,7 +22,6 @@
   Modified 28 September 2010 by Mark Sproul
 */
 
-#define ARDUINO_MAIN
 #include "wiring_private.h"
 #include "pins_arduino.h"
 
@@ -35,7 +34,15 @@
  */
 typedef unsigned char *uc_p;
 
-/* timer capture/compare mode register to control PWM mode */
+extern const uc_p ccmrx[NUM_TIMERS];
+extern const uc_p ccerx[NUM_TIMERS];
+extern const unsigned char DISABLE_TIMER_OUTP_MASK[NUM_TIMERS];
+void turnOffPWM(uint8_t timer);
+
+
+/**
+ * timer capture/compare mode register to control PWM mode
+ */
 const uc_p ccmrx[NUM_TIMERS]={
 #ifdef NEED_TIMER_11_12
 	TIM1->CCMR1,	/* for TIMER11 */
@@ -110,6 +117,9 @@ const unsigned char DISABLE_TIMER_OUTP_MASK[NUM_TIMERS]={
 };
 
 
+/**
+ * set the input or output mode of a pin
+ */
 /* arduino-style pinMode
 void pinMode(uint8_t pin, uint8_t mode)
 {
@@ -225,7 +235,11 @@ void pinMode(uint8_t pin, uint8_t mode)
  *
  * SDCC is really, really not good in optimizing its code.
  */
-static void turnOffPWM(uint8_t timer)
+
+/**
+ * handle the PWM pins
+ */
+void turnOffPWM(uint8_t timer)
 {
     // Output compare mode = 000: Frozen - The comparison between the output
     // compare register TIM1_CCR1 and the counter register TIM1_CNT has no
@@ -237,6 +251,9 @@ static void turnOffPWM(uint8_t timer)
 }
 
 
+/**
+ * set an output value for a pin
+ */
 void digitalWrite(uint8_t pin, uint8_t val)
 {
 	uint8_t timer = digitalPinToTimer(pin);
@@ -263,6 +280,9 @@ void digitalWrite(uint8_t pin, uint8_t val)
 	END_CRITICAL
 }
 
+/**
+ * read a pin value
+ */
 int digitalRead(uint8_t pin)
 {
 	uint8_t timer = digitalPinToTimer(pin);
