Diff: demoUI/screen/LS013B7DH03.cpp

Revision:

2:d88f88b90c8e

Parent:

1:f875283d1530

Child:

3:b8989dab0f88

--- a/demoUI/screen/LS013B7DH03.cpp	Mon Mar 18 10:27:25 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,246 +0,0 @@
-/***************************************************************************//**
- * @file LS013B7DH03.cpp
- * @brief Driver class for the Sharp LS013B7DH03 memory LCD on some kits.
- *******************************************************************************
- * @section License
- * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
- *******************************************************************************
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- *
- * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
- * obligation to support this Software. Silicon Labs is providing the
- * Software "AS IS", with no express or implied warranties of any kind,
- * including, but not limited to, any implied warranties of merchantability
- * or fitness for any particular purpose or warranties against infringement
- * of any proprietary rights of a third party.
- *
- * Silicon Labs will not be liable for any consequential, incidental, or
- * special damages, or any other relief, or for any claim by any third party,
- * arising from your use of this Software.
- *
- ******************************************************************************/
-
-#include "../screen/LS013B7DH03.h"
-
-#include <mbed.h>
-#include "SPI.h"
-//#include "Peripherals.h"
-
-/* LS013B7DH03 SPI commands */
-#define LS013B7DH03_CMD_UPDATE     (0x01)
-#define LS013B7DH03_CMD_ALL_CLEAR  (0x04)
-
-/* Macro to switch endianness on char value */
-#define SWAP8(a) ((((a) & 0x80) >> 7) | (((a) & 0x40) >> 5) | (((a) & 0x20) >> 3) | (((a) & 0x10) >> 1) | (((a) & 0x08) << 1) | (((a) & 0x04) << 3) | (((a) & 0x02) << 5) | (((a) & 0x01) << 7))
-
-namespace silabs {
-
-
-LS013B7DH03::LS013B7DH03(mbed::SPI * spi, DigitalOut * CS, const char *name) : BufferedDisplay( name )  {
-	//Save pointer to ChipSelect pin
-	_CS = CS;
-	_CS->write(0);
-	DigitalOut DISP(P6_6);
-
-//Save pointer to ExtCom pin
-///	_EXTCOM = ExtCom;
-///	_EXTCOM->write(0);
-
-	DISP  = 0;
-	wait_ms(1);
-	DISP = 1;
-
-	//Save pointer to spi peripheral
-	_spi = spi;
-	//_spi->frequency(600000);
-	_spi->format( 8, 0 );
-
-	_internalEventCallback.attach(this, &LS013B7DH03::_cbHandler);
-
-	//Initialize
-	//_spi->set_dma_usage((DMAUsage)DMA_USAGE_NEVER);
-	_refreshCount = 0;
-	_lcdPolarity = 0;
-	_state = IDLE;
-	_completionCallbackPtr = NULL;
-	_rowCount = 0;
-
-	//Start toggling the EXTCOM pin
-	//_displayToggler.attach(this, &LS013B7DH03::toggle, 0.008f);
-}
-
-/**
- * Call this function at 55 ~ 65 Hz to keep the display up-to-date.
- */
-void LS013B7DH03::toggle() {
-//	_EXTCOM->write(!_EXTCOM->read());
-//	_refreshCount++;
-}
-
-/**
- * Function to get internal refresh counter
- */
-uint32_t LS013B7DH03::getRefreshTicks() {
-	return _refreshCount;
-}
-
-/**
- * Call this function to push all changes to the display
- */
-int LS013B7DH03::update( cbptr_t callback ) {
-	uint32_t rowCount = 0;
-	bool update = false;
-
-	// Check if something actually changed in the pixelbuffer
-	for(rowCount = 0; rowCount < DISPLAY_HEIGHT/DISPLAY_BUFFER_TYPE_SIZE; rowCount++) {
-		if(_dirtyRows[rowCount] != 0) update = true;
-	}
-
-	if(update == false) return LS013B7DH03_NO_ACTION;
-
-	// Watch out to not mess up a transfer
-	if(_state != IDLE) return LS013B7DH03_ERROR_BUSY;
-
-	_completionCallbackPtr = callback;
-
-	// Take control
-	_state = WAIT_WRITE;
-	_rowCount = 0;
-
-	//Initialize the command vector
-	_cmd[0] = (uint8_t)SWAP8(LS013B7DH03_CMD_UPDATE);
-	_cmd[1] = SWAP8(1);
-
-	// Activate LCD
-	_CS->write(1);
-	_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.01f);
-
-	return LS013B7DH03_OK;
-}
-
-/**
- * Function to test display buffer
- */
-int LS013B7DH03::showDemo() {
-	for(uint32_t i = 0; i < DISPLAY_BUFFER_ELEMENTS; i+=2) {
-		_pixelBuffer[i] = 0x00555345;
-	}
-	memset((void*)_dirtyRows, 0x33, sizeof(_dirtyRows));
-
-	return LS013B7DH03_OK;
-}
-
-/**
- * Call this function to immediately clear the display
- */
-int LS013B7DH03::clearImmediate( cbptr_t callback ) {
-	// Watch out to not mess up a transfer
-	if(_state != IDLE) return LS013B7DH03_ERROR_BUSY;
-
-	_state = WAIT_CLEAR;
-	_completionCallbackPtr = callback;
-
-	// Clear out the pixel buffer
-	memset((void*)_pixelBuffer, White, sizeof(_pixelBuffer));
-	memset((void*)_dirtyRows, 0, sizeof(_dirtyRows));
-
-	_cmd[0] = (uint8_t)(SWAP8(LS013B7DH03_CMD_ALL_CLEAR | _lcdPolarity));
-	_cmd[1] = 0;
-
-	// Wait for the ChipSelect line
-	_CS->write(1);
-	_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.01f);
-
-	return LS013B7DH03_OK;
-}
-
-void LS013B7DH03::_cbHandlerTimeout( void ) {
-	this->_cbHandler(0);
-}
-
-void LS013B7DH03::_cbHandler( int event ) {
-	if((_state == WAIT_WRITE) || (_state == WRITING))
-	{
-		_state = WRITING;
-		while(_rowCount < DISPLAY_HEIGHT) {
-			// Determine the next line to send
-			if((_dirtyRows[_rowCount / DISPLAY_BUFFER_TYPE_SIZE] & (1 << (_rowCount % DISPLAY_BUFFER_TYPE_SIZE))) != 0) {
-
-				// Row is dirty, send an update to the display
-				_cmd[1] = (uint8_t)SWAP8(_rowCount + 1);
-				memcpy((void*)&(_cmd[2]), (const void*)&(_pixelBuffer[_rowCount*(DISPLAY_WIDTH/DISPLAY_BUFFER_TYPE_SIZE)]), DISPLAY_WIDTH / DISPLAY_BUFFER_TYPE_SIZE * sizeof(DISPLAY_BUFFER_TYPE));
-
-				if(_spi->write((const char*)_cmd, (2 + (DISPLAY_WIDTH / DISPLAY_BUFFER_TYPE_SIZE * sizeof(DISPLAY_BUFFER_TYPE))) , (char*)NULL, 0/*, _internalEventCallback, SPI_EVENT_COMPLETE*/) != (2 + (DISPLAY_WIDTH / DISPLAY_BUFFER_TYPE_SIZE * sizeof(DISPLAY_BUFFER_TYPE)))) {
-					// SPI is busy, with another transaction. This means the data to the LCD has been corrupted, so fail here.
-					_state = DONE;
-					//printf("Failed at _cbHandler\n");
-					// Make sure the handler is called again
-					_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.1f);
-				}else{	//sc...
-					_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.001f);
-				}
-
-				// Transaction is in progress, so update row state
-				_dirtyRows[_rowCount / DISPLAY_BUFFER_TYPE_SIZE] &= ~(1 << (_rowCount % DISPLAY_BUFFER_TYPE_SIZE));
-				_rowCount++;
-				return;
-			}
-
-			// Row wasn't touched, so check the next row
-			_rowCount++;
-		}
-
-		// Done sending!
-		_cmd[1] = 0xFF;
-		_state = TRANSFERS_DONE;
-		if(_spi->write((const char*)_cmd, 2, (char*)NULL, 0/*, _internalEventCallback, SPI_EVENT_COMPLETE*/) != 2) {
-			// SPI is busy, with another transaction. This means the data to the LCD has been corrupted, so fail here.
-			_state = DONE;
-
-			// Make sure the handler is called again
-			_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.1f);
-		}else{	//sc...
-			_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.001f);
-		}
-		return;
-	}
-	else if (_state == WAIT_CLEAR)
-	{
-		_state = TRANSFERS_DONE;
-		if(_spi->write((const char*)_cmd, 2, (char*)NULL, 0/*, _internalEventCallback, SPI_EVENT_COMPLETE*/) != 2) {
-			// SPI is busy, with another transaction. This means the data to the LCD has been corrupted, so fail here.
-			_state = DONE;
-
-			// Make sure the handler is called again
-			_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.1f);
-		}else{	//sc...
-			_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.001f);
-		}
-		return;
-	}
-	else if (_state == TRANSFERS_DONE)
-	{
-		_state = DONE;
-		_csTimeout.attach(this, &LS013B7DH03::_cbHandlerTimeout, 0.01f);
-		return;
-	}
-	else if (_state == DONE)
-	{
-		_CS->write(0);
-		_state = IDLE;
-		if(_completionCallbackPtr != 0) _completionCallbackPtr();
-		return;
-	}
-}
-
-} // namespace silabs
-