Vekatech
Lcd companion boards support (VKLCD50RTA & VKLCD70RT)
What is this ?
This is a demo program using Renesas RGA library & USB Camera to demonstrate VK-RZ/A1H's companion boards workability.
Supported companion Boards:
VKLCD50RTA
VKLCD70RT
How to Configure ?
You can choose which display is installed by altering the lcd_panel.h file
Leave the active one & comment out the others:
#define LCD_VDC5_CH0_PANEL LCD_CH0_PANEL_VKLCD50RTA //#define LCD_VDC5_CH0_PANEL LCD_CH0_PANEL_VKLCD70RT
You can alter the whole demo with your pictures if you like:
How to compile ?
- The Demo can be compiled in 3 modes:
- I. Execution from the internal 10-MB on-chip SRAM.
- II. Execution from the on-board serial FALSH in dual (32-MB) mode.
- After import in the online compiler just leave only the VKRZA1H_DOUBLE.sct & delete all others linker files in the TOOLCHAIN_ARM_STD folder.
- Drag & drop the result binary in MBED disk, (previously inited in double flash mode)
- III. Execution from the on-board serial FALSH in single (16-MB) mode.
- After import in the online compiler just leave only the VKRZA1H_SINGLE.sct & delete all others linker files in the TOOLCHAIN_ARM_STD folder.
- Drag & drop the result binary in MBED disk, (previously inited in single flash mode )
Quick presentation:
Other demos ?
More demos you can find on our FTP
Diff: hal/api/CircularBuffer.h
- Revision:
- 0:6435b67ad23c
diff -r 000000000000 -r 6435b67ad23c hal/api/CircularBuffer.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hal/api/CircularBuffer.h Thu Feb 16 10:23:48 2017 +0000
@@ -0,0 +1,116 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2015 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_CIRCULARBUFFER_H
+#define MBED_CIRCULARBUFFER_H
+
+#include "critical.h"
+
+namespace mbed {
+
+/** Templated Circular buffer class
+ *
+ * @Note Synchronization level: Interrupt safe
+ */
+template<typename T, uint32_t BufferSize, typename CounterType = uint32_t>
+class CircularBuffer {
+public:
+ CircularBuffer() : _head(0), _tail(0), _full(false) {
+ }
+
+ ~CircularBuffer() {
+ }
+
+ /** Push the transaction to the buffer. This overwrites the buffer if it's
+ * full
+ *
+ * @param data Data to be pushed to the buffer
+ */
+ void push(const T& data) {
+ core_util_critical_section_enter();
+ if (full()) {
+ _tail++;
+ _tail %= BufferSize;
+ }
+ _pool[_head++] = data;
+ _head %= BufferSize;
+ if (_head == _tail) {
+ _full = true;
+ }
+ core_util_critical_section_exit();
+ }
+
+ /** Pop the transaction from the buffer
+ *
+ * @param data Data to be pushed to the buffer
+ * @return True if the buffer is not empty and data contains a transaction, false otherwise
+ */
+ bool pop(T& data) {
+ bool data_popped = false;
+ core_util_critical_section_enter();
+ if (!empty()) {
+ data = _pool[_tail++];
+ _tail %= BufferSize;
+ _full = false;
+ data_popped = true;
+ }
+ core_util_critical_section_exit();
+ return data_popped;
+ }
+
+ /** Check if the buffer is empty
+ *
+ * @return True if the buffer is empty, false if not
+ */
+ bool empty() {
+ core_util_critical_section_enter();
+ bool is_empty = (_head == _tail) && !_full;
+ core_util_critical_section_exit();
+ return is_empty;
+ }
+
+ /** Check if the buffer is full
+ *
+ * @return True if the buffer is full, false if not
+ */
+ bool full() {
+ core_util_critical_section_enter();
+ bool full = _full;
+ core_util_critical_section_exit();
+ return full;
+ }
+
+ /** Reset the buffer
+ *
+ */
+ void reset() {
+ core_util_critical_section_enter();
+ _head = 0;
+ _tail = 0;
+ _full = false;
+ core_util_critical_section_exit();
+ }
+
+private:
+ T _pool[BufferSize];
+ volatile CounterType _head;
+ volatile CounterType _tail;
+ volatile bool _full;
+};
+
+}
+
+#endif
+