Touch panel library for GR-PEACH LCD Shield.
Dependents: GR-PEACH_LCD_shield_touch_sample LCD_shield_config
Revision 1:538027089976, committed 2016-09-27
- Comitter:
- dkato
- Date:
- Tue Sep 27 12:36:07 2016 +0000
- Parent:
- 0:da3d7ba2674b
- Commit message:
- Add LCD type RSK TFT.
Changed in this revision
TouchKey_RSK_TFT.cpp | Show annotated file Show diff for this revision Revisions of this file |
TouchKey_RSK_TFT.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r da3d7ba2674b -r 538027089976 TouchKey_RSK_TFT.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TouchKey_RSK_TFT.cpp Tue Sep 27 12:36:07 2016 +0000 @@ -0,0 +1,74 @@ +/* mbed Microcontroller Library + * Copyright (C) 2016 Renesas Electronics Corporation. 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 "TouchKey_RSK_TFT.h" + +TouchKey_RSK_TFT::TouchKey_RSK_TFT(PinName tprst, PinName tpint, PinName sda, PinName scl) : + TouchKey(tprst, tpint), i2c(sda, scl) { +} + +int TouchKey_RSK_TFT::GetMaxTouchNum(void) { + return 5; +} + +int TouchKey_RSK_TFT::GetCoordinates(int touch_buff_num, touch_pos_t * p_touch) { + char buf[32]; + uint32_t wk_x; + uint32_t wk_y; + touch_pos_t * wk_touch; + int count = 0; + int i; + int read_size; + + if (touch_buff_num > GetMaxTouchNum()) { + touch_buff_num = GetMaxTouchNum(); + } + read_size = 2 + 6 * touch_buff_num; + + if (p_touch != NULL) { + for (i = 0; i < touch_buff_num; i++) { + wk_touch = &p_touch[i]; + wk_touch->x = 0; + wk_touch->y = 0; + wk_touch->valid = false; + } + if (i2c.read((0x38 << 1), buf, read_size) == 0) { + for (i = 0; i < touch_buff_num; i++) { + if (buf[2] > i) { + wk_touch = &p_touch[i]; + wk_x = (((uint32_t)buf[3 + (6 * i)] & 0x0F) << 8) | buf[4 + (6 * i)]; + if (wk_x < 800) { + wk_touch->x = 800 - wk_x; + } else { + wk_touch->x = 0; + } + wk_y = (((uint32_t)buf[5 + (6 * i)] & 0x0F) << 8) | buf[6 + (6 * i)]; + if (wk_y < 480) { + wk_touch->y = 480 - wk_y; + } else { + wk_touch->y = 0; + } + wk_touch->valid = 1; + count++; + } + } + } + } + + return count; +} + +
diff -r da3d7ba2674b -r 538027089976 TouchKey_RSK_TFT.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TouchKey_RSK_TFT.h Tue Sep 27 12:36:07 2016 +0000 @@ -0,0 +1,50 @@ +/* mbed Microcontroller Library + * Copyright (C) 2016 Renesas Electronics Corporation. 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. + */ +/**************************************************************************//** +* @file TouchKey_RSK_TFT.h +* @brief TouchKey_RSK_TFT API +******************************************************************************/ + +#ifndef TOUCH_KEY_RSK_TFT_H +#define TOUCH_KEY_RSK_TFT_H + +#include "TouchKey.h" + +/** + * The class to acquire touch coordinates. (GR-PEACH 7.1inch LCD Shield edition) + */ +class TouchKey_RSK_TFT : public TouchKey { + +public: + + /** Create a TouchKey_RSK_TFT object + * + * @param sda I2C data line pin + * @param scl I2C clock line pin + * @param tprst tprst pin + * @param tpint tpint pin + */ + TouchKey_RSK_TFT(PinName tprst, PinName tpint, PinName sda = I2C_SDA, PinName scl = I2C_SCL); + + virtual int GetMaxTouchNum(void); + virtual int GetCoordinates(int touch_buff_num, touch_pos_t * p_touch); + +private: + I2C i2c; +}; + + +#endif