1 files changed, 132 insertions, 0 deletions
diff --git a/boards/base/Mikromedia-STM32-M4-ILI9341/board_ILI9341.h b/boards/base/Mikromedia-STM32-M4-ILI9341/board_ILI9341.h
new file mode 100644
index 00000000..ec7292eb
--- /dev/null
+++ b/boards/base/Mikromedia-STM32-M4-ILI9341/board_ILI9341.h
@@ -0,0 +1,132 @@
+/*
+ * 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    boards/base/Mikromedia-STM32-M4-ILI9341/board_ILI9341.h
+ * @brief   GDISP Graphics Driver subsystem low level driver source for the ILI9341 display.
+ */
+
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+// For a multiple display configuration we would put all this in a structure and then
+//	set g->board to that structure.
+#define SET_CS    palSetPad(GPIOE, GPIOE_LCD_CS);
+#define CLR_CS    palClearPad(GPIOE, GPIOE_LCD_CS);
+#define SET_RS    palSetPad(GPIOE, GPIOE_LCD_RS);
+#define CLR_RS    palClearPad(GPIOE, GPIOE_LCD_RS);
+#define SET_WR    palSetPad(GPIOE, GPIOE_PMWR);
+#define CLR_WR    palClearPad(GPIOE, GPIOE_PMWR);
+#define SET_RD    palSetPad(GPIOE, GPIOE_PMRD);
+#define CLR_RD    palClearPad(GPIOE, GPIOE_PMRD);
+
+static inline void init_board(GDisplay *g) {
+
+	// As we are not using multiple displays we set g->board to NULL as we don't use it.
+	g->board = 0;
+
+	switch(g->controllerdisplay) {
+	case 0:											// Set up for Display 0
+		/* Configure the pins to a well know state */
+		SET_RS;
+		SET_RD;
+		SET_WR;
+		CLR_CS;
+
+		/* Hardware reset */
+		palSetPad(GPIOE, GPIOE_LCD_RST);
+		chThdSleepMilliseconds(100);
+		palClearPad(GPIOE, GPIOE_LCD_RST);
+		chThdSleepMilliseconds(100);
+		palSetPad(GPIOE, GPIOE_LCD_RST);
+		chThdSleepMilliseconds(100);
+		break;
+	}
+}
+
+static inline void post_init_board(GDisplay *g) {
+	(void) g;
+}
+
+static inline void setpin_reset(GDisplay *g, bool_t state) {
+	(void) g;
+	if(state) {
+		// reset lcd
+		palClearPad(GPIOE, GPIOE_LCD_RST);
+	} else {
+		palSetPad(GPIOE, GPIOE_LCD_RST);
+	}
+}
+
+static inline void set_backlight(GDisplay *g, uint8_t percent) {
+	(void) g;
+	// TODO: can probably pwm this
+	if(percent) {
+		// turn back light on
+		palSetPad(GPIOE, GPIOE_LCD_BLED);
+	} else {
+		// turn off
+		palClearPad(GPIOE, GPIOE_LCD_BLED);
+	}
+}
+
+static inline void acquire_bus(GDisplay *g) {
+	(void) g;
+}
+
+static inline void release_bus(GDisplay *g) {
+	(void) g;
+}
+
+/**
+ * @brief   Short delay
+ *
+ * @param[in] dly		Length of delay
+ *
+ * @notapi
+ */
+static inline void ili9341_delay(uint16_t dly) {
+  static uint16_t i;
+  for(i = 0; i < dly; i++)
+    asm("nop");
+}
+
+static inline void write_index(GDisplay *g, uint16_t index) {
+	(void) g;
+	palWriteGroup(GPIOE, 0x00FF, 0, index);
+	CLR_RS; CLR_WR; ili9341_delay(1); SET_WR; ili9341_delay(1); SET_RS;
+}
+
+static inline void write_data(GDisplay *g, uint16_t data) {
+	(void) g;
+	palWriteGroup(GPIOE, 0x00FF, 0, data);
+	CLR_WR; ili9341_delay(1); SET_WR; ili9341_delay(1);
+}
+
+static inline void setreadmode(GDisplay *g) {
+	(void) g;
+	// change pin mode to digital input
+	palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_INPUT);
+}
+
+static inline void setwritemode(GDisplay *g) {
+	(void) g;
+	// change pin mode back to digital output
+	palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
+}
+
+static inline uint16_t read_data(GDisplay *g) {
+	uint16_t	value;
+	(void) g;
+	CLR_RD;
+	value = palReadPort(GPIOE);
+	value = palReadPort(GPIOE);
+	SET_RD;
+	return value;
+}
+
+#endif /* _GDISP_LLD_BOARD_H */