diff options
Diffstat (limited to 'drivers/gdisp/RA6963/board_RA6963.h')
| -rwxr-xr-x | drivers/gdisp/RA6963/board_RA6963.h | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/drivers/gdisp/RA6963/board_RA6963.h b/drivers/gdisp/RA6963/board_RA6963.h new file mode 100755 index 00000000..a7e1426b --- /dev/null +++ b/drivers/gdisp/RA6963/board_RA6963.h @@ -0,0 +1,320 @@ +/*
+ * 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
+ */
+
+/* RA6963 Driver
+ * Pinout:
+ * Version 1:
+ * 1 - Vee Negative Voltage Output
+ * 2 - GND GND
+ * 3 - +5V
+ * 4 - Vo LCD Driver Supply (10-20k Pot between +5V and Vee)
+ * 5 - /WR Write (Low active)
+ * 6 - /RD Read (Low active)
+ * 7 - /CE Chip Enable (Low active)
+ * 8 - C/D Command or Data
+ * 9 - /RST Reset (Low active)
+ * 10..17 - D0..7
+ * 18 - FS Font Select
+ * 19 - A Backlight Anode (~4.3V)
+ * 20 - K Backlight Cathode (GND)
+ */
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+// My Settings
+#define RA6963_NEED_READ FALSE //works, but is very slow!
+#define RA6963_HAS_RESET FALSE
+#define RA6963_NEED_FONT_SELECT FALSE
+#define RA6963_NEED_BACKLIGHT FALSE
+#define RA6963_NEED_PWMBACKLIGHT FALSE
+#define GDISP_SCREEN_HEIGHT 64
+#define GDISP_SCREEN_WIDTH 128
+#define GDISP_INITIAL_CONTRAST 50
+#define GDISP_INITIAL_BACKLIGHT 100
+
+#define RA6963_delay(n) {asm("nop");asm("nop");asm("nop");asm("nop");}
+
+#define LINE_WR PAL_LINE(GPIOB, 8U)
+#if RA6963_NEED_READ
+#define LINE_RD PAL_LINE(GPIOB, 9U)
+#endif
+#define LINE_CE PAL_LINE(GPIOB, 10U)
+#define LINE_CD PAL_LINE(GPIOB, 11U)
+#if RA6963_HAS_RESET
+#define LINE_RST PAL_LINE(GPIOB, 12U)
+#endif
+#define LINE_D0 PAL_LINE(GPIOB, 0U)
+#define LINE_D1 PAL_LINE(GPIOB, 1U)
+#define LINE_D2 PAL_LINE(GPIOB, 2U)
+#define LINE_D3 PAL_LINE(GPIOB, 3U)
+#define LINE_D4 PAL_LINE(GPIOB, 4U)
+#define LINE_D5 PAL_LINE(GPIOB, 5U)
+#define LINE_D6 PAL_LINE(GPIOB, 6U)
+#define LINE_D7 PAL_LINE(GPIOB, 7U)
+#if RA6963_NEED_FONT_SELECT
+#define LINE_FS PAL_LINE(GPIOA, 13U)
+#endif
+#if RA6963_NEED_BACKLIGHT
+#define LINE_BL PAL_LINE(GPIOA, 14U)
+#endif
+
+typedef struct {
+ ioline_t WR; //Write PIN
+#if RA6963_NEED_READ
+ ioline_t RD; //Read PIN (tie to +5V if not needed)
+#endif
+ ioline_t CE; //Chip Enable PIN
+ ioline_t CD; //Command/Data Select PIN
+#if RA6963_HAS_RESET
+ ioline_t RST; //Reset PIN (tie to +5V if not needed)
+#endif
+ ioline_t D[8]; //Data PINs
+#if RA6963_NEED_BACKLIGHT
+ ioline_t BL; //Backlight PIN
+#endif
+#if RA6963_NEED_FONT_SELECT
+ ioline_t FS; //Font Select PIN (tie to GND if not needed)
+#endif
+} lcd_pins_t;
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+static const lcd_pins_t lcdpins = {
+ LINE_WR,
+#if RA6963_NEED_READ
+ LINE_RD,
+#endif
+ LINE_CE,
+ LINE_CD,
+#if RA6963_HAS_RESET
+ LINE_RST,
+#endif
+ {
+ LINE_D0,
+ LINE_D1,
+ LINE_D2,
+ LINE_D3,
+ LINE_D4,
+ LINE_D5,
+ LINE_D6,
+ LINE_D7
+ },
+#if RA6963_NEED_BACKLIGHT
+ LINE_BL,
+#endif
+#if RA6963_NEED_FONT_SELECT
+ LINE_FS,
+#endif
+};
+
+static GFXINLINE void init_board(GDisplay* g){
+ (void) g;
+ g->board = 0;
+ int ii;
+//################################DEBUG#######################################
+#define DEB13_ON palClearLine(PAL_LINE(GPIOB, 13U))
+#define DEB13_OFF palSetLine(PAL_LINE(GPIOB, 13U))
+#define DEB14_ON palClearLine(PAL_LINE(GPIOB, 14U))
+#define DEB14_OFF palSetLine(PAL_LINE(GPIOB, 14U))
+
+ palSetLineMode(PAL_LINE(GPIOB, 13U), PAL_MODE_OUTPUT_PUSHPULL);
+ DEB13_OFF;
+ palSetLineMode(PAL_LINE(GPIOB, 14U), PAL_MODE_OUTPUT_PUSHPULL);
+ DEB14_OFF;
+
+ //################################DEBUG#######################################
+
+ palSetLineMode(lcdpins.WR, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.WR);
+#if RA6963_NEED_READ
+ palSetLineMode(lcdpins.RD, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.RD);
+#endif
+ palSetLineMode(lcdpins.CE, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.CE);
+ palSetLineMode(lcdpins.CD, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.CD);
+#if RA6963_HAS_RESET
+ palSetLine(lcdpins.RST);
+ palSetLineMode(lcdpins.RST, PAL_MODE_OUTPUT_PUSHPULL);
+
+#endif
+ for(ii = 0; ii < 8; ii++) {
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_OUTPUT_PUSHPULL);
+ palClearLine(lcdpins.D[ii]);
+ }
+#if RA6963_NEED_BACKLIGHT
+#if RA6963_NEED_PWMBACKLIGHT
+ palSetLineMode(lcdpins.BL, PAL_MODE_ALTERNATE(1));
+#else
+ palSetLineMode(lcdpins.BL, PAL_MODE_OUTPUT_PUSHPULL);
+#endif
+#endif
+#if RA6963_NEED_FONT_SELECT
+ palSetLineMode(lcdpins.FS, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.FS);
+#endif
+}
+
+static GFXINLINE void post_init_board(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE void setpin_reset(GDisplay *g, bool_t state) {
+ (void) g;
+#if RA6963_HAS_RESET //Make Hardware Reset
+ if (state)
+ palClearLine(lcdpins.RST);
+ else
+ palSetLine(lcdpins.RST);
+#else
+ (void) state;
+#endif
+}
+
+static GFXINLINE void set_backlight(GDisplay *g, uint8_t percent) {
+ (void) g;
+ (void) percent;
+#if RA6963_NEED_BACKLIGHT
+#if RA6963_NEED_PWMBACKLIGHT
+
+#else
+
+#endif
+#endif
+}
+
+static GFXINLINE void acquire_bus(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE void release_bus(GDisplay *g) {
+ (void) g;
+}
+
+
+#if RA6963_NEED_READ
+static GFXINLINE uint8_t RA6963_busy_wait(uint8_t pattern, bool_t lh){
+
+ uint8_t data;
+ int ii;
+
+ for(ii = 0; ii < 2; ii++) //Only interested in Bit 0 and 1
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_INPUT); //Set pads to input
+
+ palClearLine(lcdpins.CE);
+ palClearLine(lcdpins.RD);
+ do{
+ data = 0;
+
+ for(ii = 0; ii < 2; ii++){
+ if (palReadLine(lcdpins.D[ii]) == PAL_HIGH){ //Read output
+ data |= (1<<ii);
+ }
+ }
+ } while ((data & pattern) == lh);
+
+ palSetLine(lcdpins.CE);
+ palSetLine(lcdpins.RD);
+ for(ii = 0; ii < 2; ii++) {
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_OUTPUT_PUSHPULL); //Set pads to output
+ }
+
+ return data;
+}
+#endif
+
+static GFXINLINE void RA6963_write(uint8_t value){
+ int ii;
+ for(ii = 0; ii < 8; ii++){
+ if(value & (1 << ii))
+ palSetLine(lcdpins.D[ii]);
+ else
+ palClearLine(lcdpins.D[ii]);
+ }
+}
+
+static GFXINLINE void write_data(GDisplay* g, uint8_t data){
+ (void)g;
+#if RA6963_NEED_READ
+ RA6963_busy_wait(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2, ~(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2));
+#endif
+ RA6963_write(data);
+ palClearLine(lcdpins.CD);
+ palClearLine(lcdpins.CE);
+ palClearLine(lcdpins.WR);
+ RA6963_delay(1);
+ palSetLine(lcdpins.WR);
+ palSetLine(lcdpins.CE);
+ palSetLine(lcdpins.CD);
+}
+
+static GFXINLINE void write_cmd(GDisplay* g, uint8_t data){
+ (void)g;
+#if RA6963_NEED_READ
+ RA6963_busy_wait(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2, ~(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2));
+#endif
+ RA6963_write(data);
+ palClearLine(lcdpins.CE);
+ palClearLine(lcdpins.WR);
+ RA6963_delay(1);
+ palSetLine(lcdpins.WR);
+ palSetLine(lcdpins.CE);
+}
+
+static GFXINLINE void setreadmode(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE void setwritemode(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE uint8_t read_data(GDisplay *g) {
+ (void) g;
+#if RA6963_NEED_READ
+ int ii;
+ uint8_t data;
+ write_cmd(g, RA6963_DATA_READ_AND_NONVARIABLE);
+ //RA6963_busy_wait(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2, ~(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2));
+
+ for(ii = 0; ii < 8; ii++)
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_INPUT); //Set pads to input
+
+ palClearLine(lcdpins.CE);
+ palClearLine(lcdpins.RD);
+ do{
+ data = 0;
+
+ for(ii = 0; ii < 2; ii++){
+ if (palReadLine(lcdpins.D[ii]) == PAL_HIGH){ //Read output
+ data |= (1<<ii);
+ }
+ }
+ } while ((data & (RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2)) == ~(RA6963_STATUS_BUSY1 | RA6963_STATUS_BUSY2));
+
+ palClearLine(lcdpins.CD);
+// RA6963_delay(1);
+ data = 0;
+ for(ii = 0; ii < 8; ii++){
+ if (palReadLine(lcdpins.D[ii]) == PAL_HIGH){ //Read output
+ data |= (1<<ii);
+ }
+ }
+ palSetLine(lcdpins.CE);
+ palSetLine(lcdpins.RD);
+ palSetLine(lcdpins.CD);
+ for(ii = 0; ii < 8; ii++) {
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_OUTPUT_PUSHPULL); //Set pads to output
+ }
+ return data;
+#else
+ return 0;
+#endif
+}
+#endif /* _GDISP_LLD_BOARD_H */
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