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projets de S3 s4 2021
Dependencies: mbed TFT_fonts SPI_TFT_ILI9341
Diff: touch.cpp
- Revision:
- 8:eb61367f53ce
- Parent:
- 7:a72b2f80ae04
diff -r a72b2f80ae04 -r eb61367f53ce touch.cpp --- a/touch.cpp Sat Jan 12 03:55:06 2019 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,47 +0,0 @@ -/* KL25Z mbed library for ILI9341 touch devices - * SPI Interface - - * Uses Peter Drescher ILI9341 Library - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - - -#include "touch.h" -#include "mbed.h" - - -TouchScreen::TouchScreen(PinName xp, PinName yp, PinName xm, PinName ym) { - } - - -int TouchScreen::readTouch(PinName a, PinName i, PinName n, PinName m){ - - AnalogIn _a(a); - AnalogIn _i(i); - DigitalOut _n(n); - DigitalOut _m(m); - int a1=1; - int a2=0; - _n = 1; - _m = 0; - wait_us(50); - a1 = _a.read_u16(); - wait_us(50); - a2 = _a.read_u16(); - wait_us(50); - _n=0; - return (a1+a2)/2; -} - - - -int map(float value, float fromSource, float toSource, float fromTarget, float toTarget){ - return (value - fromSource) / (toSource - fromSource) * (toTarget - fromTarget) + fromTarget; -} \ No newline at end of file