Revision 1:30d1850db92a, committed 2017-06-16

Comitter:

mochen

Date:

Fri Jun 16 16:09:25 2017 +0000

Parent:

0:edcb13b58b4f

Commit message:

Initial commit.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Circular_LED.cpp	Fri Jun 16 16:09:25 2017 +0000
@@ -0,0 +1,106 @@
+/*
+Circular LED library V1.0
+2010 Copyright (c) Seeed Technology Inc. All right reserved.
+
+Original Author: LG
+
+Modify: Mihail Stoyanov (mihail.stoyanov@arm.com) for ARM mbed, 2014-07-30
+Modify: Mo Chen (mo.chen@arm.com) for ARM mbed, 2017-06-16
+User can choose which Io to be used.
+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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include "Circular_LED.h"
+
+Circular_LED::Circular_LED(PinName pinClk, PinName pinDta) : __pinClk(pinClk), __pinDta(pinDta)
+{
+    __led_state = 0x00;
+}
+
+void Circular_LED::latchData()
+{
+    __pinDta = 0;
+    wait_us(10);
+
+    for(int i = 0; i < 4; i++) {
+        __pinDta = 1;
+        __pinDta = 0;
+    }
+
+}
+
+void Circular_LED::send16bitData(uint16_t data)
+{
+    for(int i = 0; i < 16; i++) {
+        unsigned int state = data & 0x8000 ? 1 : 0;
+        __pinDta = state;
+
+        __pinClk = !__pinClk;
+        // state = __pinClk ? 0 : 1;
+        // __pinClk = state;
+
+        data <<= 1;
+    }
+}
+
+void Circular_LED::setState(uint32_t state)
+{
+    uint16_t st;
+    
+    __led_state = state;
+    send16bitData(CMDMODE);
+
+    for (int i = 0; i < 12; i++) {
+        st = (state & 0x0001) ? ON : SHUT;
+        send16bitData(st);
+        state = state>>1;
+    }
+    
+    send16bitData(CMDMODE);
+    
+    for (int i = 12; i < 24; i++) {
+        st = (state & 0x0001) ? ON : SHUT;
+        send16bitData(st);
+        state = state >> 1;
+    }
+
+    latchData();
+}
+
+void Circular_LED::setLevel(uint8_t level)
+{
+
+    if (level > 24) {
+        return;
+    }
+    
+    for (int i = 0; i < 24; i++) {
+        // Set state bit for each LED
+        bool st = (i < level);
+        __led_state = st ? (__led_state | (0x01 << i)) : (__led_state & ~(0x01 << i));
+    }
+
+    setState(__led_state);
+}
+
+void Circular_LED::setSingleLed(uint8_t num, bool st)
+{
+    if (num > 23) {
+        return;
+    }
+
+    __led_state = st ? (__led_state | (0x01<<num)) : (__led_state & ~(0x01<<num));
+    setState(__led_state);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Circular_LED.h	Fri Jun 16 16:09:25 2017 +0000
@@ -0,0 +1,82 @@
+/*
+LED bar library V1.0
+2010 Copyright (c) Seeed Technology Inc. All right reserved.
+
+Original Author: LG
+Modify: Loovee, 2014-2-26
+User can choose which Io to be used.
+
+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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include "mbed.h"
+
+#ifndef Circular_LED_H
+#define Circular_LED_H
+
+#define CMDMODE 0x0000 // Work on 8-bit mode
+#define ON 0x00ff // 8-bit 1 data
+#define SHUT 0x0000 // 8-bit 0 data
+
+/**
+ * The Circular_LED interface
+ */
+class Circular_LED
+{
+
+public:
+    Circular_LED(PinName pinClk, PinName pinDta);
+
+    /**
+     * Set the on/off state for all LEDs based on a bitmap.
+     * @param state The bitmap. For example, if state is 0x05, then led 0 and led 3 will be on, and the others will be off.
+     */
+    void setState(uint32_t state);
+
+    /**
+     * Set level, frm 0 to 24.
+     * @param level Level 0 means all leds off while level 5 means 5led on and the other will off
+     */
+    void setLevel(uint8_t level);
+    
+    /**
+     * Control a single led
+     * @param num which led
+     * @param st  1: on 0: off
+     */
+    void setSingleLed(uint8_t num, bool st);
+
+private:
+    /**
+     * Pin for clock
+     */
+    DigitalOut __pinClk;
+    
+    /**
+     * Pin for data
+     */
+    DigitalOut __pinDta;
+
+    /**
+     * LED State
+     */
+    uint32_t __led_state;
+
+    void send16bitData(uint16_t data);
+    void latchData(void);
+
+};
+
+#endif
\ No newline at end of file

--- a/LED_Bar.cpp	Wed Jul 30 10:27:21 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-/*
-LED bar library V1.0
-2010 Copyright (c) Seeed Technology Inc. All right reserved.
-
-Original Author: LG
-
-Modify: Mihail Stoyanov (mihail.stoyanov@arm.com) for ARM mbed, 2014-07-30
-User can choose which Io to be used.
-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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include "LED_Bar.h"
-
-LED_Bar::LED_Bar(PinName pinClk, PinName pinDta) : __pinClk(pinClk), __pinDta(pinDta)
-{
-    __led_state = 0x00;
-}
-
-void LED_Bar::latchData()
-{
-    __pinDta = 0;
-    wait_us(10);
-
-    for(int i=0; i<4; i++) {
-        __pinDta = 1;
-        __pinDta = 0;
-    }
-
-}
-
-void LED_Bar::send16bitData(unsigned int data)
-{
-    for(int i=0; i<16; i++) {
-        unsigned int state = data & 0x8000 ? 1 : 0;
-        __pinDta = state;
-
-        state = __pinClk ? 0 : 1;
-        __pinClk = state;
-
-        data <<= 1;
-    }
-}
-
-void LED_Bar::ledIndexBit(unsigned int index_bits)
-{
-
-    send16bitData(CMDMODE);
-
-    for (int i=0; i<12; i++) {
-        unsigned int state = (index_bits&0x0001) ? ON : SHUT;
-        send16bitData(state);
-
-        index_bits = index_bits>>1;
-    }
-
-    latchData();
-}
-
-void LED_Bar::setLevel(int level)
-{
-
-    if(level>10)return;
-
-    send16bitData(CMDMODE);
-
-    for(int i=0; i<12; i++) {
-        unsigned int state1 = (i<level) ? ON : SHUT;
-
-        send16bitData(state1);
-    }
-
-    latchData();
-}
-
-void LED_Bar::setSingleLed(int num, int st)
-{
-    if(num>10)return;
-    __led_state = st ? (__led_state | (0x01<<num)) : (__led_state & ~(0x01<<num));
-    ledIndexBit(__led_state);
-
-}

--- a/LED_Bar.h	Wed Jul 30 10:27:21 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,82 +0,0 @@
-/*
-LED bar library V1.0
-2010 Copyright (c) Seeed Technology Inc. All right reserved.
-
-Original Author: LG
-Modify: Loovee, 2014-2-26
-User can choose which Io to be used.
-
-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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include "mbed.h"
-
-#ifndef LED_Bar_H
-#define LED_Bar_H
-
-#define CMDMODE 0x0000 // Work on 8-bit mode
-#define ON 0x00ff // 8-bit 1 data
-#define SHUT 0x0000 // 8-bit 0 data
-
-/**
- * The LED_Bar interface
- */
-class LED_Bar
-{
-
-public:
-    LED_Bar(PinName pinClk, PinName pinDta);
-
-    /**
-     * Set led single bit, a bit contrl a led
-     * @param index_bits which bit. if 0x05, then led 0 and led 3 will on, the others will off
-     */
-    void ledIndexBit(unsigned int index_bits);
-
-    /**
-     * Set level, frm 0 to 10.
-     * @param level Level 0 means all leds off while level 5 means 5led on and the other will off
-     */
-    void setLevel(int level);
-    
-    /**
-     * Control a single led
-     * @param num which led
-     * @param st  1: on 0: off
-     */
-    void setSingleLed(int num, int st);
-
-private:
-    /**
-     * Pin for clock
-     */
-    DigitalOut __pinClk;
-    
-    /**
-     * Pin for data
-     */
-    DigitalOut __pinDta;
-
-    /**
-     * LED State
-     */
-    unsigned int __led_state;
-
-    void send16bitData(unsigned int data);
-    void latchData(void);
-
-};
-
-#endif
\ No newline at end of file