1 files changed, 98 insertions, 0 deletions
diff --git a/boards/base/HY-MiniSTM32V/gmouse_lld_ADS7843_board.h b/boards/base/HY-MiniSTM32V/gmouse_lld_ADS7843_board.h
new file mode 100644
index 00000000..840692d2
--- /dev/null
+++ b/boards/base/HY-MiniSTM32V/gmouse_lld_ADS7843_board.h
@@ -0,0 +1,98 @@
+/*
+ * 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
+ */
+
+/*
+ * Board file for HY-MiniSTM32V board from HAOYU (China).
+ * www.powermcu.com or www.hotmcu.com.
+ */
+
+/*
+ * NOTE: In order to make this work you need to set:
+ *   STM32_SPI_USE_SPI1     TRUE    in mcuconf.h
+ *   HAL_USE_SPI            TRUE    in halconf.h
+ */
+
+#ifndef _GINPUT_LLD_MOUSE_BOARD_H
+#define _GINPUT_LLD_MOUSE_BOARD_H
+
+// Resolution and Accuracy Settings
+#define GMOUSE_ADS7843_PEN_CALIBRATE_ERROR		8
+#define GMOUSE_ADS7843_PEN_CLICK_ERROR			6
+#define GMOUSE_ADS7843_PEN_MOVE_ERROR			4
+#define GMOUSE_ADS7843_FINGER_CALIBRATE_ERROR	14
+#define GMOUSE_ADS7843_FINGER_CLICK_ERROR		18
+#define GMOUSE_ADS7843_FINGER_MOVE_ERROR		14
+
+// How much extra data to allocate at the end of the GMouse structure for the board's use
+#define BOARD_DATA_SIZE			0
+
+static const SPIConfig spicfg = {
+  0,
+  GPIOA,
+  GPIOA_TP_CS,
+  SPI_CR1_BR_1 | SPI_CR1_BR_0,  /* Might be tweaked for faster transfer. */
+};
+
+/*
+ * ADS7843 (clone chip) is connected to SPI1 w/o remap
+ * TP_CS         PA4
+ * SPI_SCK      PA5
+ * SPI_MISO     PA6
+ * SPI_MOSI     PA7
+ * TP_IRQ       PB6
+ */
+
+static bool_t init_board(GMouse* m, unsigned driverinstance) {
+  (void) m;
+  (void) driverinstance;
+
+  palSetPadMode(GPIOA, 4, PAL_MODE_OUTPUT_PUSHPULL);
+  palSetPadMode(GPIOA, 5, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
+  palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLUP);
+  palSetPadMode(GPIOA, 7, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
+  palSetPadMode(GPIOB, 6, PAL_MODE_INPUT);
+
+  spiStart(&SPID1, &spicfg);
+  return true;
+}
+
+/*
+ * PB6 is connected to TP_IRQ (low active).
+ */
+static inline bool_t getpin_pressed(GMouse* m) {
+  (void)m;
+  return (!palReadPad(GPIOB, 6));
+}
+
+/*
+ * PA4 is connected to TP_CS (low active):
+ */
+static inline void aquire_bus(GMouse* m) {
+  (void)m;
+  spiAcquireBus(&SPID1);
+  palClearPad(GPIOA, 4);
+}
+
+static inline void release_bus(GMouse* m) {
+  (void)m;
+  palSetPad(GPIOA, 4);
+  spiReleaseBus(&SPID1);
+}
+
+static inline uint16_t read_value(GMouse* m, uint16_t port) {
+  (void)m;
+  static uint8_t txbuf[3] = {0};
+  static uint8_t rxbuf[3] = {0};
+  uint16_t ret;
+
+  txbuf[0] = port;
+  spiExchange(&SPID1, 3, txbuf, rxbuf);
+  ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3);
+  return ret;
+}
+
+#endif /* _GINPUT_LLD_MOUSE_BOARD_H */