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Diffstat (limited to 'demos/games/tetris/Example_Makefiles/stm32f4_chibios_3.x/ginput_lld_mouse_board.h')
-rw-r--r--demos/games/tetris/Example_Makefiles/stm32f4_chibios_3.x/ginput_lld_mouse_board.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/demos/games/tetris/Example_Makefiles/stm32f4_chibios_3.x/ginput_lld_mouse_board.h b/demos/games/tetris/Example_Makefiles/stm32f4_chibios_3.x/ginput_lld_mouse_board.h
new file mode 100644
index 00000000..39538747
--- /dev/null
+++ b/demos/games/tetris/Example_Makefiles/stm32f4_chibios_3.x/ginput_lld_mouse_board.h
@@ -0,0 +1,61 @@
+/*
+ * 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
+ */
+
+#ifndef _GINPUT_LLD_MOUSE_BOARD_H
+#define _GINPUT_LLD_MOUSE_BOARD_H
+
+static const SPIConfig spicfg = {
+ 0,
+ GPIOC,
+ 6,
+ /* SPI_CR1_BR_2 |*/ SPI_CR1_BR_1 | SPI_CR1_BR_0,
+};
+
+static GFXINLINE void init_board(void)
+{
+ palSetPadMode(GPIOC, 6, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetPadMode(GPIOC, 4, PAL_MODE_INPUT);
+ palSetPadMode(GPIOA, 5, PAL_MODE_ALTERNATE(5));
+ palSetPadMode(GPIOA, 6, PAL_MODE_ALTERNATE(5));
+ palSetPadMode(GPIOA, 7, PAL_MODE_ALTERNATE(5));
+
+ spiStart(&SPID1, &spicfg);
+}
+
+static GFXINLINE bool_t getpin_pressed(void)
+{
+ return (!palReadPad(GPIOC, 4));
+}
+
+static GFXINLINE void aquire_bus(void)
+{
+ spiAcquireBus(&SPID1);
+ palClearPad(GPIOC, 6);
+}
+
+static GFXINLINE void release_bus(void)
+{
+ palSetPad(GPIOC, 6);
+ spiReleaseBus(&SPID1);
+}
+
+static GFXINLINE uint16_t read_value(uint16_t port)
+{
+ 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 */