Revision 2:c5bb7d34974d, committed 2015-11-13

Comitter:

thierryc49

Date:

Fri Nov 13 20:46:53 2015 +0000

Parent:

1:2f62e2b80305

Commit message:

lib from seedstudio-epaper, Add SPI in parameter's constructor

Changed in this revision

diff -r 2f62e2b80305 -r c5bb7d34974d EPD.cpp
--- a/EPD.cpp	Fri Jul 18 09:20:24 2014 +0000
+++ b/EPD.cpp	Fri Nov 13 20:46:53 2015 +0000
@@ -26,23 +26,24 @@
 #define CU8(...) (ARRAY(const uint8_t, __VA_ARGS__))
 
 Timer timer;
-SPI spi(p20, p22, p25);
 
-static void SPI_put(uint8_t c);
-static void SPI_put_wait(uint8_t c, DigitalIn busy_pin);
-static void SPI_send(DigitalOut cs_pin, const uint8_t *buffer, uint16_t length);
-static void SPI_on();
+//thierry
+//--origine SPI spi(p20, p22, p25);
+//SPI spi(P0_25,P0_28,P0_29);
 
 
-EPD_Class::EPD_Class(PinName Pin_EPD_CS, PinName Pin_PANEL_ON, PinName Pin_BORDER, PinName Pin_DISCHARGE, PinName Pin_PWM, PinName Pin_RESET, PinName Pin_BUSY) :
+
+EPD_Class::EPD_Class(PinName Pin_EPD_CS, PinName Pin_PANEL_ON, PinName Pin_BORDER, PinName Pin_DISCHARGE, PinName Pin_PWM, PinName Pin_RESET, PinName Pin_BUSY,PinName Pin_MOSI,PinName Pin_MISO,PinName Pin_CLK) :
     EPD_Pin_EPD_CS(Pin_EPD_CS),
     EPD_Pin_PANEL_ON(Pin_PANEL_ON),
     EPD_Pin_BORDER(Pin_BORDER),
     EPD_Pin_DISCHARGE(Pin_DISCHARGE),
     EPD_Pin_PWM(Pin_PWM),
     EPD_Pin_RESET(Pin_RESET),
-    EPD_Pin_BUSY(Pin_BUSY) {
-
+    EPD_Pin_BUSY(Pin_BUSY), 
+    spi (Pin_MOSI,Pin_MISO,Pin_CLK)
+    {
+    
 }
 
 void EPD_Class::begin(EPD_size sz)
@@ -537,17 +538,17 @@
     SPI_send(this->EPD_Pin_EPD_CS, CU8(0x72, 0x2f), 2);
 }
 
-static void SPI_on() {
+void EPD_Class::SPI_on() {
     wait_us(10);
 }
 
 
-static void SPI_put(uint8_t c) {
+void EPD_Class::SPI_put(uint8_t c) {
     spi.write(c);
 }
 
 
-static void SPI_put_wait(uint8_t c, DigitalIn busy_pin) {
+void EPD_Class::SPI_put_wait(uint8_t c, DigitalIn busy_pin) {
 
     SPI_put(c);
 
@@ -557,7 +558,7 @@
 }
 
 
-static void SPI_send(DigitalOut cs_pin, const uint8_t *buffer, uint16_t length) {
+void EPD_Class::SPI_send(DigitalOut cs_pin, const uint8_t *buffer, uint16_t length) {
     // CS low
     cs_pin = 0;
 

diff -r 2f62e2b80305 -r c5bb7d34974d EPD.h
--- a/EPD.h	Fri Jul 18 09:20:24 2014 +0000
+++ b/EPD.h	Fri Nov 13 20:46:53 2015 +0000
@@ -47,7 +47,7 @@
     PwmOut EPD_Pin_PWM;
     DigitalOut EPD_Pin_RESET;
     DigitalIn EPD_Pin_BUSY;
-    
+    SPI spi;
     EPD_size size;
     uint16_t stage_time;
 
@@ -62,11 +62,17 @@
 
     bool filler;
 
+    void SPI_put(uint8_t c);
+    void SPI_put_wait(uint8_t c, DigitalIn busy_pin);
+    void SPI_send(DigitalOut cs_pin, const uint8_t *buffer, uint16_t length);
+    void SPI_on();
+
     public:
     unsigned char lineDta[33];
 
     public:
     EPD_Class(PinName Pin_EPD_CS, PinName Pin_PANEL_ON, PinName Pin_BORDER, PinName Pin_DISCHARGE, PinName Pin_PWM, PinName Pin_RESET, PinName Pin_BUSY);
+    EPD_Class(PinName Pin_EPD_CS, PinName Pin_PANEL_ON, PinName Pin_BORDER, PinName Pin_DISCHARGE, PinName Pin_PWM, PinName Pin_RESET, PinName Pin_BUSY,PinName Pin_MOSI,PinName Pin_MISO,PinName Pin_CLK);
     // power up and power down the EPD panel
     void begin(EPD_size sz);
     void start();

diff -r 2f62e2b80305 -r c5bb7d34974d TextDisplay.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextDisplay.cpp	Fri Nov 13 20:46:53 2015 +0000
@@ -0,0 +1,77 @@
+/* mbed TextDisplay Display Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+#include "TextDisplay.h"
+
+TextDisplay::TextDisplay(const char *name) : Stream(name){
+    _row = 0;
+    _column = 0;
+    if (name == NULL) {
+        _path = NULL;
+    } else {
+        _path = new char[strlen(name) + 2];
+        sprintf(_path, "/%s", name);
+    }
+}
+    
+int TextDisplay::_putc(int value) {
+    if(value == '\n') {
+        _column = 0;
+        _row++;
+        if(_row >= rows()) {
+            _row = 0;
+        }
+    } else {
+        character(_column, _row, value);
+        _column++;
+        if(_column >= columns()) {
+            _column = 0;
+            _row++;
+            if(_row >= rows()) {
+                _row = 0;
+            }
+        }
+    }
+    return value;
+}
+
+// crude cls implementation, should generally be overwritten in derived class
+void TextDisplay::cls() {
+    locate(0, 0);
+    for(int i=0; i<columns()*rows(); i++) {
+        putc(' ');
+    }
+}
+
+void TextDisplay::locate(int column, int row) {
+    _column = column;
+    _row = row;
+}
+
+int TextDisplay::_getc() {
+    return -1;
+}
+        
+void TextDisplay::foreground(uint16_t colour) {
+    _foreground = colour;
+}
+
+void TextDisplay::background(uint16_t colour) {
+    _background = colour;
+}
+
+bool TextDisplay::claim (FILE *stream) {
+    if ( _path == NULL) {
+        fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
+        return false;
+    }
+    if (freopen(_path, "w", stream) == NULL) {
+        // Failed, should not happen
+        return false;
+    }
+    // make sure we use line buffering
+    setvbuf(stdout, NULL, _IOLBF, columns());
+    return true;
+} 

diff -r 2f62e2b80305 -r c5bb7d34974d TextDisplay.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextDisplay.h	Fri Nov 13 20:46:53 2015 +0000
@@ -0,0 +1,80 @@
+/* mbed TextDisplay Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * A common base class for Text displays
+ * To port a new display, derive from this class and implement
+ * the constructor (setup the display), character (put a character
+ * at a location), rows and columns (number of rows/cols) functions.
+ * Everything else (locate, printf, putc, cls) will come for free
+ *
+ * The model is the display will wrap at the right and bottom, so you can
+ * keep writing and will always get valid characters. The location is 
+ * maintained internally to the class to make this easy
+ */
+
+#ifndef MBED_TEXTDISPLAY_H
+#define MBED_TEXTDISPLAY_H
+
+#include "mbed.h"
+
+class TextDisplay : public Stream {
+public:
+
+  // functions needing implementation in derived implementation class
+  /** Create a TextDisplay interface
+     *
+     * @param name The name used in the path to access the strean through the filesystem
+     */
+    TextDisplay(const char *name = NULL);
+
+    /** output a character at the given position
+     *
+     * @param column column where charater must be written
+     * @param  row where character must be written
+     * @param c the character to be written to the TextDisplay
+     */
+    virtual void character(int column, int row, int c) = 0;
+
+    /** return number if rows on TextDisplay
+     * @result number of rows
+     */
+    virtual int rows() = 0;
+
+    /** return number if columns on TextDisplay
+    * @result number of rows
+    */
+    virtual int columns() = 0;
+    
+    // functions that come for free, but can be overwritten
+
+    /** redirect output from a stream (stoud, sterr) to  display
+    * @param stream stream that shall be redirected to the TextDisplay
+    */
+    virtual bool claim (FILE *stream);
+
+    /** clear screen
+    */
+    virtual void cls();
+    virtual void locate(int column, int row);
+    virtual void foreground(uint16_t colour);
+    virtual void background(uint16_t colour);
+    // putc (from Stream)
+    // printf (from Stream)
+    
+protected:
+
+    virtual int _putc(int value);
+    virtual int _getc();
+
+    // character location
+    uint16_t _column;
+    uint16_t _row;
+
+    // colours
+    uint16_t _foreground;
+    uint16_t _background;
+    char *_path;
+};
+
+#endif