1 files changed, 151 insertions, 0 deletions
diff --git a/boards/addons/ginput/touch/MCU/ginput_lld_mouse_board_olimex_pic32mx_lcd.h b/boards/addons/ginput/touch/MCU/ginput_lld_mouse_board_olimex_pic32mx_lcd.h
new file mode 100644
index 00000000..a7435c95
--- /dev/null
+++ b/boards/addons/ginput/touch/MCU/ginput_lld_mouse_board_olimex_pic32mx_lcd.h
@@ -0,0 +1,151 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+/**
+ * @file    drivers/ginput/touch/MCU/ginput_lld_mouse_board_olimex_stm32_lcd.h
+ * @brief   GINPUT Touch low level driver source for the MCU on the example board.
+ *
+ * @defgroup Mouse Mouse
+ * @ingroup GINPUT
+ *
+ * @{
+ */
+
+#ifndef _GINPUT_LLD_MOUSE_BOARD_H
+#define _GINPUT_LLD_MOUSE_BOARD_H
+
+static const ADCConfig ADCC = {
+  .vref = ADC_VREF_CFG_AVDD_AVSS,
+  .stime = 15,
+  .irq = EIC_IRQ_ADC,
+  .base = _ADC10_BASE_ADDRESS,
+};
+static struct ADCDriver ADCD;
+
+#define YNEG 13 // U
+#define XNEG 15 // R
+#define XPOS 12 // L
+#define YPOS 11 // D
+
+#define ADC_MAX 1023
+
+#define TOUCH_THRESHOULD 50
+
+static const ADCConversionGroup ADC_X_CG = {
+  .circular = FALSE,
+  .num_channels = 1,
+  .channels = 1 << XNEG,
+};
+
+static const ADCConversionGroup ADC_Y_CG = {
+  .circular = FALSE,
+  .num_channels = 1,
+  .channels = 1 << YPOS,
+};
+
+/**
+ * @brief   Initialise the board for the touch.
+ *
+ * @notapi
+ */
+static inline void init_board(void) {
+  adcObjectInit(&ADCD);
+  adcStart(&ADCD, &ADCC);
+}
+
+/**
+ * @brief   Check whether the surface is currently touched
+ * @return	TRUE if the surface is currently touched
+ *
+ * @notapi
+ */
+static inline bool_t getpin_pressed(void) {
+  adcsample_t samples[2] = {0, };
+
+  // Set X+ to ground
+  palSetPadMode(IOPORTB, XPOS, PAL_MODE_OUTPUT);
+  palClearPad(IOPORTB, XPOS);
+
+  // Set Y- to VCC
+  palSetPadMode(IOPORTB, YNEG, PAL_MODE_OUTPUT);
+  palSetPad(IOPORTB, YNEG);
+
+  palSetPadMode(IOPORTB, XNEG, PAL_MODE_INPUT_ANALOG);
+  palSetPadMode(IOPORTB, YPOS, PAL_MODE_INPUT_ANALOG);
+
+  adcConvert(&ADCD, &ADC_X_CG, &samples[0], 1);
+  adcConvert(&ADCD, &ADC_Y_CG, &samples[1], 1);
+
+  return (ADC_MAX - (samples[1] - samples[0])) > TOUCH_THRESHOULD;
+}
+
+/**
+ * @brief   Aquire the bus ready for readings
+ *
+ * @notapi
+ */
+static inline void aquire_bus(void) {
+}
+
+/**
+ * @brief   Release the bus after readings
+ *
+ * @notapi
+ */
+static inline void release_bus(void) {
+}
+
+/**
+ * @brief   Read an x value from touch controller
+ * @return	The value read from the controller
+ *
+ * @notapi
+ */
+static inline uint16_t read_x_value(void) {
+  adcsample_t sample;
+
+  palSetPadMode(IOPORTB, XPOS, PAL_MODE_OUTPUT);
+  palSetPad(IOPORTB, XPOS);
+
+  palSetPadMode(IOPORTB, XNEG, PAL_MODE_OUTPUT);
+  palClearPad(IOPORTB, XNEG);
+
+  palSetPadMode(IOPORTB, YNEG, PAL_MODE_INPUT);
+
+  palSetPadMode(IOPORTB, YPOS, PAL_MODE_INPUT_ANALOG);
+
+  adcConvert(&ADCD, &ADC_Y_CG, &sample, 1);
+
+  return ADC_MAX - sample;
+}
+
+/**
+ * @brief   Read an y value from touch controller
+ * @return	The value read from the controller
+ *
+ * @notapi
+ */
+static inline uint16_t read_y_value(void) {
+  adcsample_t sample;
+
+  palSetPadMode(IOPORTB, YNEG, PAL_MODE_OUTPUT);
+  palClearPad(IOPORTB, YNEG);
+
+  palSetPadMode(IOPORTB, YPOS, PAL_MODE_OUTPUT);
+  palSetPad(IOPORTB, YPOS);
+
+  palSetPadMode(IOPORTB, XPOS, PAL_MODE_INPUT);
+
+  palSetPadMode(IOPORTB, XNEG, PAL_MODE_INPUT_ANALOG);
+
+  adcConvert(&ADCD, &ADC_X_CG, &sample, 1);
+
+  return ADC_MAX - sample;
+}
+
+#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
+/** @} */