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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Files at this revision

API Documentation at this revision

Revision 160:6870f452afa4, committed 2014-04-14

Comitter:
mbed_official
Date:
Mon Apr 14 11:30:06 2014 +0100
Parent:
159:3b23f6d9ecb9
Child:
161:09d8213f0000
Commit message:
Synchronized with git revision 65be1ee4a1e5212e696a4d8cab05bfc0522bb81f

Full URL: https://github.com/mbedmicro/mbed/commit/65be1ee4a1e5212e696a4d8cab05bfc0522bb81f/

Mode added to BusIn + allow creation of NC pins

Changed in this revision

api/BusIn.h Show annotated file Show diff for this revision Revisions of this file
common/BusIn.cpp Show annotated file Show diff for this revision Revisions of this file
common/gpio.c Show annotated file Show diff for this revision Revisions of this file 
--- a/api/BusIn.h	Mon Apr 14 10:30:07 2014 +0100
+++ b/api/BusIn.h	Mon Apr 14 11:30:06 2014 +0100
@@ -51,7 +51,13 @@
      *   An integer with each bit corresponding to the value read from the associated DigitalIn pin
      */
     int read();
-
+    
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone
+     */
+    void mode(PinMode pull);
+	
 #ifdef MBED_OPERATORS
     /** A shorthand for read()
      */

--- a/common/BusIn.cpp	Mon Apr 14 10:30:07 2014 +0100
+++ b/common/BusIn.cpp	Mon Apr 14 11:30:06 2014 +0100
@@ -49,6 +49,14 @@
     return v;
 }
 
+void BusIn::mode(PinMode pull) {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            _pin[i]->mode(pull);
+        }
+    }
+}
+
 #ifdef MBED_OPERATORS
 BusIn::operator int() {
     return read();

--- a/common/gpio.c	Mon Apr 14 10:30:07 2014 +0100
+++ b/common/gpio.c	Mon Apr 14 11:30:06 2014 +0100
@@ -18,16 +18,20 @@
 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
 {
     gpio_init(gpio, pin);    
-    gpio_dir(gpio, PIN_INPUT);
-    gpio_mode(gpio, mode);
+    if (pin != NC) {    
+        gpio_dir(gpio, PIN_INPUT);
+        gpio_mode(gpio, mode);
+    }
 }
     
 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
 {
     gpio_init(gpio, pin);
-    gpio_write(gpio, value);
-    gpio_dir(gpio, PIN_OUTPUT);
-    gpio_mode(gpio, mode);
+    if (pin != NC) {
+        gpio_write(gpio, value);
+        gpio_dir(gpio, PIN_OUTPUT);
+        gpio_mode(gpio, mode);
+    }
 }
 
 void gpio_init_in(gpio_t* gpio, PinName pin) {
@@ -49,7 +53,8 @@
 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
     if (direction == PIN_INPUT) {
         _gpio_init_in(gpio, pin, mode);
-        gpio_write(gpio, value); // we prepare the value in case it is switched later
+        if (pin != NC)
+            gpio_write(gpio, value); // we prepare the value in case it is switched later
     } else {
         _gpio_init_out(gpio, pin, mode, value);
     }