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/*
*
* Copyright (c) 2020 Project CHIP Authors
* All rights reserved.
*
* 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.
*/
#include <stdio.h>
#include <string.h>
#include "demo-ui.h"
#include "lcd.h"
#include "dmd.h"
#include "glib.h"
#ifdef QR_CODE_ENABLED
#include "qrcodegen.h"
#endif // QR_CODE_ENABLED
#include "sl_board_control.h"
#if (defined(EFR32MG24) && defined(WF200_WIFI))
#include "spi_multiplex.h"
#endif
#define LCD_SIZE 128
#define QR_CODE_VERSION 4
#define QR_CODE_MODULE_SIZE 3
#define QR_CODE_BORDER_SIZE 0
#ifdef QR_CODE_ENABLED
static uint8_t qrCode[qrcodegen_BUFFER_LEN_FOR_VERSION(QR_CODE_VERSION)];
static uint8_t workBuffer[qrcodegen_BUFFER_LEN_FOR_VERSION(QR_CODE_VERSION)];
#endif // QR_CODE_ENABLED
CHIP_ERROR SilabsLCD::Init(uint8_t * name, bool initialState)
{
EMSTATUS status;
CHIP_ERROR err = CHIP_NO_ERROR;
// Check if Name is to long
if (name != nullptr)
{
if (APP_NAME_MAX_LENGTH < strlen((char *) name))
{
SILABS_LOG("App Name too long");
return CHIP_ERROR_INVALID_ARGUMENT;
}
else
{
strcpy((char *) mName, (char *) name);
}
}
/* Enable the memory lcd */
status = sl_board_enable_display();
if (status != SL_STATUS_OK)
{
SILABS_LOG("Board Display enable fail %d", status);
err = CHIP_ERROR_INTERNAL;
}
/* Initialize the DMD module for the DISPLAY device driver. */
status = DMD_init(0);
if (DMD_OK != status)
{
SILABS_LOG("DMD init failed %d", status);
err = CHIP_ERROR_INTERNAL;
}
/* Initialize the glib context */
status = GLIB_contextInit(&glibContext);
if (GLIB_OK != status)
{
SILABS_LOG("Glib context init failed %d", status);
err = CHIP_ERROR_INTERNAL;
}
glibContext.backgroundColor = White;
glibContext.foregroundColor = Black;
status = GLIB_clear(&glibContext);
if (GLIB_OK != status)
{
SILABS_LOG("Glib clear failed %d", status);
err = CHIP_ERROR_INTERNAL;
}
demoUIInit(&glibContext);
dState.mainState = initialState;
return err;
}
/* This function is necessary because currently glib.h cannot be used within a C++ context. */
void * SilabsLCD::Context()
{
return (void *) &glibContext;
}
int SilabsLCD::Clear()
{
return GLIB_clear(&glibContext);
}
int SilabsLCD::DrawPixel(void * pContext, int32_t x, int32_t y)
{
return GLIB_drawPixel((GLIB_Context_t *) pContext, x, y);
}
int SilabsLCD::Update(void)
{
int status;
#if (defined(EFR32MG24) && defined(WF200_WIFI))
pre_lcd_spi_transfer();
#endif
status = DMD_updateDisplay();
#if (defined(EFR32MG24) && defined(WF200_WIFI))
post_lcd_spi_transfer();
#endif
/*
* TO-DO; Above logic can be optimised by writing a common API
*/
return status;
}
void SilabsLCD::WriteDemoUI(bool state)
{
#ifdef QR_CODE_ENABLED
if (mShowQRCode)
{
mShowQRCode = false;
}
#endif
dState.mainState = state;
WriteDemoUI();
}
void SilabsLCD::WriteDemoUI()
{
Clear();
if (customUI != nullptr)
{
customUI(&glibContext);
}
else
{
demoUIClearMainScreen(mName);
demoUIDisplayApp(dState.mainState);
}
}
void SilabsLCD::SetCustomUI(customUICB cb)
{
customUI = cb;
}
#ifdef QR_CODE_ENABLED
void SilabsLCD::WriteQRCode()
{
if (!qrcodegen_encodeText((const char *) mQRCodeBuffer, workBuffer, qrCode, qrcodegen_Ecc_LOW, QR_CODE_VERSION, QR_CODE_VERSION,
qrcodegen_Mask_AUTO, true))
{
SILABS_LOG("qrcodegen_encodeText() failed");
return;
}
const int size = qrcodegen_getSize(qrCode);
GLIB_clear(&glibContext);
const int displaySize = (2 * QR_CODE_BORDER_SIZE + size) * QR_CODE_MODULE_SIZE;
const int displayX = (LCD_SIZE - displaySize) / 2;
const int displayY = displayX;
for (int y = 0; y < size; ++y)
{
for (int x = 0; x < size; ++x)
{
if (qrcodegen_getModule(qrCode, x, y))
{
LCDFillRect(displayX + (QR_CODE_BORDER_SIZE + x) * QR_CODE_MODULE_SIZE,
displayY + (QR_CODE_BORDER_SIZE + y) * QR_CODE_MODULE_SIZE, QR_CODE_MODULE_SIZE, QR_CODE_MODULE_SIZE);
}
}
}
#if (defined(EFR32MG24) && defined(WF200_WIFI))
pre_lcd_spi_transfer();
#endif
DMD_updateDisplay();
#if (defined(EFR32MG24) && defined(WF200_WIFI))
post_lcd_spi_transfer();
#endif
}
void SilabsLCD::SetQRCode(uint8_t * str, uint32_t size)
{
if (size < chip::QRCodeBasicSetupPayloadGenerator::kMaxQRCodeBase38RepresentationLength + 1)
{
memcpy(mQRCodeBuffer, str, size);
}
}
void SilabsLCD::ShowQRCode(bool show, bool forceRefresh)
{
if (show != mShowQRCode || forceRefresh)
{
(show) ? WriteQRCode() : WriteDemoUI();
mShowQRCode = show;
}
}
void SilabsLCD::ToggleQRCode(void)
{
(mShowQRCode) ? WriteDemoUI() : WriteQRCode();
mShowQRCode = !mShowQRCode;
}
void SilabsLCD::LCDFillRect(uint8_t x, uint8_t y, uint8_t w, uint8_t h)
{
for (int i = 0; i < h; i++)
{
for (int j = 0; j < w; j++)
{
GLIB_drawPixel(&glibContext, x + j, y + i);
}
}
}
#endif // QR_CODE_ENABLED