// MSB First
// CLK Low by default
static const SPIConfig spi1config = {
- NULL,
- /* HW dependent part.*/
- ST7565_GPIOPORT,
- ST7565_SS_PIN,
+ // Operation complete callback or @p NULL.
+ .end_cb = NULL,
+ //The chip select line port - when not using pcs.
+ .ssport = ST7565_GPIOPORT,
+ // brief The chip select line pad number - when not using pcs.
+ .sspad=ST7565_SS_PIN,
+ // SPI initialization data.
+ .tar0 =
SPIx_CTARn_FMSZ(7)
| SPIx_CTARn_ASC(7)
| SPIx_CTARn_DT(7)
//SPI_CR1_BR_0
};
-static bool_t st7565_is_data_mode = 1;
-
static GFXINLINE void init_board(GDisplay *g) {
(void) g;
palSetPadModeNamed(A0, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- st7565_is_data_mode = 1;
palSetPadModeNamed(RST, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
palSetPadModeRaw(MOSI, ST7565_SPI_MODE);
spiInit();
spiStart(&SPID1, &spi1config);
- spiSelect(&SPID1);
}
static GFXINLINE void post_init_board(GDisplay *g) {
(void) g;
// Only the LCD is using the SPI bus, so no need to acquire
// spiAcquireBus(&SPID1);
+ spiSelect(&SPID1);
}
static GFXINLINE void release_bus(GDisplay *g) {
(void) g;
// Only the LCD is using the SPI bus, so no need to release
//spiReleaseBus(&SPID1);
+ spiUnselect(&SPID1);
}
-static GFXINLINE void write_cmd(GDisplay *g, uint8_t cmd) {
- (void) g;
- if (st7565_is_data_mode) {
- // The sleeps need to be at lest 10 vs 25 ns respectively
- // So let's sleep two ticks, one tick might not be enough
- // if we are at the end of the tick
- chThdSleep(2);
- palClearPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- chThdSleep(2);
- st7565_is_data_mode = 0;
- }
- spiSend(&SPID1, 1, &cmd);
+static GFXINLINE void enter_data_mode(GDisplay *g) {
+ palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
+}
+
+static GFXINLINE void enter_cmd_mode(GDisplay *g) {
+ palClearPad(ST7565_GPIOPORT, ST7565_A0_PIN);
}
+
static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
(void) g;
- if (!st7565_is_data_mode) {
- // The sleeps need to be at lest 10 vs 25 ns respectively
- // So let's sleep two ticks, one tick might not be enough
- // if we are at the end of the tick
- chThdSleep(2);
- palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- chThdSleep(2);
- st7565_is_data_mode = 1;
- }
spiSend(&SPID1, length, data);
}
/*===========================================================================*/
#ifndef GDISP_SCREEN_HEIGHT
- #define GDISP_SCREEN_HEIGHT 32
+#define GDISP_SCREEN_HEIGHT 32
#endif
#ifndef GDISP_SCREEN_WIDTH
- #define GDISP_SCREEN_WIDTH 128
+#define GDISP_SCREEN_WIDTH 128
#endif
#ifndef GDISP_INITIAL_CONTRAST
- #define GDISP_INITIAL_CONTRAST 0
+#define GDISP_INITIAL_CONTRAST 0
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
- #define GDISP_INITIAL_BACKLIGHT 100
+#define GDISP_INITIAL_BACKLIGHT 100
#endif
#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER<<0)
/* Driver config defaults for backward compatibility. */
/*===========================================================================*/
#ifndef ST7565_LCD_BIAS
- #define ST7565_LCD_BIAS ST7565_LCD_BIAS_7
+#define ST7565_LCD_BIAS ST7565_LCD_BIAS_7
#endif
#ifndef ST7565_ADC
- #define ST7565_ADC ST7565_ADC_NORMAL
+#define ST7565_ADC ST7565_ADC_NORMAL
#endif
#ifndef ST7565_COM_SCAN
- #define ST7565_COM_SCAN ST7565_COM_SCAN_INC
+#define ST7565_COM_SCAN ST7565_COM_SCAN_INC
#endif
#ifndef ST7565_PAGE_ORDER
- #define ST7565_PAGE_ORDER 0,1,2,3
+#define ST7565_PAGE_ORDER 0,1,2,3
#endif
/*===========================================================================*/
typedef struct{
bool_t buffer2;
+ uint8_t data_pos;
+ uint8_t data[16];
uint8_t ram[GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH / 8];
}PrivData;
// Some common routines and macros
#define PRIV(g) ((PrivData*)g->priv)
#define RAM(g) (PRIV(g)->ram)
+
+static GFXINLINE void write_cmd(GDisplay* g, uint8_t cmd) {
+ PRIV(g)->data[PRIV(g)->data_pos++] = cmd;
+}
+
+static GFXINLINE void flush_cmd(GDisplay* g) {
+ write_data(g, PRIV(g)->data, PRIV(g)->data_pos);
+ PRIV(g)->data_pos = 0;
+}
+
#define write_cmd2(g, cmd1, cmd2) { write_cmd(g, cmd1); write_cmd(g, cmd2); }
#define write_cmd3(g, cmd1, cmd2, cmd3) { write_cmd(g, cmd1); write_cmd(g, cmd2); write_cmd(g, cmd3); }
*/
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
- // The private area is the display surface.
- g->priv = gfxAlloc(sizeof(PrivData));
- PRIV(g)->buffer2 = false;
-
- // Initialise the board interface
- init_board(g);
-
- // Hardware reset
- setpin_reset(g, TRUE);
- gfxSleepMilliseconds(20);
- setpin_reset(g, FALSE);
- gfxSleepMilliseconds(20);
-
- acquire_bus(g);
+ // The private area is the display surface.
+ g->priv = gfxAlloc(sizeof(PrivData));
+ PRIV(g)->buffer2 = false;
+ PRIV(g)->data_pos = 0;
+
+ // Initialise the board interface
+ init_board(g);
+
+ // Hardware reset
+ setpin_reset(g, TRUE);
+ gfxSleepMilliseconds(20);
+ setpin_reset(g, FALSE);
+ gfxSleepMilliseconds(20);
+
+ acquire_bus(g);
+ enter_cmd_mode(g);
write_cmd(g, ST7565_DISPLAY_OFF);
- write_cmd(g, ST7565_LCD_BIAS);
+ write_cmd(g, ST7565_LCD_BIAS);
write_cmd(g, ST7565_ADC);
write_cmd(g, ST7565_COM_SCAN);
-
+
write_cmd(g, ST7565_START_LINE | 0);
- write_cmd(g, ST7565_RESISTOR_RATIO | 0x6);
+ write_cmd(g, ST7565_RESISTOR_RATIO | 0x6);
- // turn on voltage converter (VC=1, VR=0, VF=0)
- write_cmd(g, ST7565_POWER_CONTROL | 0x04);
- delay_ms(50);
+ // turn on voltage converter (VC=1, VR=0, VF=0)
+ write_cmd(g, ST7565_POWER_CONTROL | 0x04);
+ flush_cmd(g);
+ delay_ms(50);
- // turn on voltage regulator (VC=1, VR=1, VF=0)
- write_cmd(g, ST7565_POWER_CONTROL | 0x06);
- delay_ms(50);
+ // turn on voltage regulator (VC=1, VR=1, VF=0)
+ write_cmd(g, ST7565_POWER_CONTROL | 0x06);
+ flush_cmd(g);
+ delay_ms(50);
- // turn on voltage follower (VC=1, VR=1, VF=1)
- write_cmd(g, ST7565_POWER_CONTROL | 0x07);
- delay_ms(50);
+ // turn on voltage follower (VC=1, VR=1, VF=1)
+ write_cmd(g, ST7565_POWER_CONTROL | 0x07);
+ flush_cmd(g);
+ delay_ms(50);
- write_cmd(g, 0xE2);
+ write_cmd(g, 0xE2);
write_cmd(g, ST7565_COM_SCAN);
- write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST*64/101);
- //write_cmd2(g, ST7565_CONTRAST, 0);
- write_cmd(g, ST7565_DISPLAY_ON);
- write_cmd(g, ST7565_ALLON_NORMAL);
- write_cmd(g, ST7565_INVERT_DISPLAY);
+ write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST*64/101);
+ //write_cmd2(g, ST7565_CONTRAST, 0);
+ write_cmd(g, ST7565_DISPLAY_ON);
+ write_cmd(g, ST7565_ALLON_NORMAL);
+ write_cmd(g, ST7565_INVERT_DISPLAY);
- write_cmd(g, ST7565_RMW);
+ write_cmd(g, ST7565_RMW);
+ flush_cmd(g);
// Finish Init
post_init_board(g);
- // Release the bus
- release_bus(g);
-
- /* Initialise the GDISP structure */
- g->g.Width = GDISP_SCREEN_WIDTH;
- g->g.Height = GDISP_SCREEN_HEIGHT;
- g->g.Orientation = GDISP_ROTATE_0;
- g->g.Powermode = powerOn;
- g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
- g->g.Contrast = GDISP_INITIAL_CONTRAST;
- return TRUE;
+ // Release the bus
+ release_bus(g);
+
+ /* Initialise the GDISP structure */
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Orientation = GDISP_ROTATE_0;
+ g->g.Powermode = powerOn;
+ g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
+ g->g.Contrast = GDISP_INITIAL_CONTRAST;
+ return TRUE;
}
#if GDISP_HARDWARE_FLUSH
- LLDSPEC void gdisp_lld_flush(GDisplay *g) {
- unsigned p;
-
- // Don't flush if we don't need it.
- if (!(g->flags & GDISP_FLG_NEEDFLUSH))
- return;
-
- acquire_bus(g);
- unsigned dstOffset = (PRIV(g)->buffer2 ? 4 : 0);
- for (p = 0; p < 4; p++) {
- write_cmd(g, ST7565_PAGE | (p + dstOffset));
- write_cmd(g, ST7565_COLUMN_MSB | 0);
- write_cmd(g, ST7565_COLUMN_LSB | 0);
- write_cmd(g, ST7565_RMW);
- write_data(g, RAM(g) + (p*GDISP_SCREEN_WIDTH), GDISP_SCREEN_WIDTH);
- }
- unsigned line = (PRIV(g)->buffer2 ? 32 : 0);
- write_cmd(g, ST7565_START_LINE | line);
- PRIV(g)->buffer2 = !PRIV(g)->buffer2;
- release_bus(g);
-
- g->flags &= ~GDISP_FLG_NEEDFLUSH;
- }
+LLDSPEC void gdisp_lld_flush(GDisplay *g) {
+ unsigned p;
+
+ // Don't flush if we don't need it.
+ if (!(g->flags & GDISP_FLG_NEEDFLUSH))
+ return;
+
+ acquire_bus(g);
+ enter_cmd_mode(g);
+ unsigned dstOffset = (PRIV(g)->buffer2 ? 4 : 0);
+ for (p = 0; p < 4; p++) {
+ write_cmd(g, ST7565_PAGE | (p + dstOffset));
+ write_cmd(g, ST7565_COLUMN_MSB | 0);
+ write_cmd(g, ST7565_COLUMN_LSB | 0);
+ write_cmd(g, ST7565_RMW);
+ flush_cmd(g);
+ enter_data_mode(g);
+ write_data(g, RAM(g) + (p*GDISP_SCREEN_WIDTH), GDISP_SCREEN_WIDTH);
+ enter_cmd_mode(g);
+ }
+ unsigned line = (PRIV(g)->buffer2 ? 32 : 0);
+ write_cmd(g, ST7565_START_LINE | line);
+ flush_cmd(g);
+ PRIV(g)->buffer2 = !PRIV(g)->buffer2;
+ release_bus(g);
+
+ g->flags &= ~GDISP_FLG_NEEDFLUSH;
+}
#endif
#if GDISP_HARDWARE_DRAWPIXEL
- LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
- coord_t x, y;
-
- switch(g->g.Orientation) {
- default:
- case GDISP_ROTATE_0:
- x = g->p.x;
- y = g->p.y;
- break;
- case GDISP_ROTATE_90:
- x = g->p.y;
- y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
- break;
- case GDISP_ROTATE_180:
- x = GDISP_SCREEN_WIDTH-1 - g->p.x;
- y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
- break;
- case GDISP_ROTATE_270:
- x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
- y = g->p.x;
- break;
- }
- if (gdispColor2Native(g->p.color) != Black)
- RAM(g)[xyaddr(x, y)] |= xybit(y);
- else
- RAM(g)[xyaddr(x, y)] &= ~xybit(y);
- g->flags |= GDISP_FLG_NEEDFLUSH;
- }
+LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
+ coord_t x, y;
+
+ switch(g->g.Orientation) {
+ default:
+ case GDISP_ROTATE_0:
+ x = g->p.x;
+ y = g->p.y;
+ break;
+ case GDISP_ROTATE_90:
+ x = g->p.y;
+ y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
+ break;
+ case GDISP_ROTATE_180:
+ x = GDISP_SCREEN_WIDTH-1 - g->p.x;
+ y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
+ break;
+ case GDISP_ROTATE_270:
+ x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
+ y = g->p.x;
+ break;
+ }
+ if (gdispColor2Native(g->p.color) != Black)
+ RAM(g)[xyaddr(x, y)] |= xybit(y);
+ else
+ RAM(g)[xyaddr(x, y)] &= ~xybit(y);
+ g->flags |= GDISP_FLG_NEEDFLUSH;
+}
#endif
#if GDISP_HARDWARE_PIXELREAD
- LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
- coord_t x, y;
-
- switch(g->g.Orientation) {
- default:
- case GDISP_ROTATE_0:
- x = g->p.x;
- y = g->p.y;
- break;
- case GDISP_ROTATE_90:
- x = g->p.y;
- y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
- break;
- case GDISP_ROTATE_180:
- x = GDISP_SCREEN_WIDTH-1 - g->p.x;
- y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
- break;
- case GDISP_ROTATE_270:
- x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
- y = g->p.x;
- break;
- }
- return (RAM(g)[xyaddr(x, y)] & xybit(y)) ? White : Black;
- }
+LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
+ coord_t x, y;
+
+ switch(g->g.Orientation) {
+ default:
+ case GDISP_ROTATE_0:
+ x = g->p.x;
+ y = g->p.y;
+ break;
+ case GDISP_ROTATE_90:
+ x = g->p.y;
+ y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
+ break;
+ case GDISP_ROTATE_180:
+ x = GDISP_SCREEN_WIDTH-1 - g->p.x;
+ y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
+ break;
+ case GDISP_ROTATE_270:
+ x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
+ y = g->p.x;
+ break;
+ }
+ return (RAM(g)[xyaddr(x, y)] & xybit(y)) ? White : Black;
+}
#endif
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
- LLDSPEC void gdisp_lld_control(GDisplay *g) {
- switch(g->p.x) {
- case GDISP_CONTROL_POWER:
- if (g->g.Powermode == (powermode_t)g->p.ptr)
- return;
- switch((powermode_t)g->p.ptr) {
- case powerOff:
- case powerSleep:
- case powerDeepSleep:
- acquire_bus(g);
- write_cmd(g, ST7565_DISPLAY_OFF);
- release_bus(g);
- break;
- case powerOn:
- acquire_bus(g);
- write_cmd(g, ST7565_DISPLAY_ON);
- release_bus(g);
- break;
- default:
- return;
- }
- g->g.Powermode = (powermode_t)g->p.ptr;
- return;
-
- case GDISP_CONTROL_ORIENTATION:
- if (g->g.Orientation == (orientation_t)g->p.ptr)
- return;
- switch((orientation_t)g->p.ptr) {
- /* Rotation is handled by the drawing routines */
- case GDISP_ROTATE_0:
- case GDISP_ROTATE_180:
- g->g.Height = GDISP_SCREEN_HEIGHT;
- g->g.Width = GDISP_SCREEN_WIDTH;
- break;
- case GDISP_ROTATE_90:
- case GDISP_ROTATE_270:
- g->g.Height = GDISP_SCREEN_WIDTH;
- g->g.Width = GDISP_SCREEN_HEIGHT;
- break;
- default:
- return;
- }
- g->g.Orientation = (orientation_t)g->p.ptr;
- return;
-
- case GDISP_CONTROL_CONTRAST:
- if ((unsigned)g->p.ptr > 100)
- g->p.ptr = (void *)100;
- acquire_bus(g);
- write_cmd2(g, ST7565_CONTRAST, ((((unsigned)g->p.ptr)<<6)/101) & 0x3F);
- release_bus(g);
- g->g.Contrast = (unsigned)g->p.ptr;
- return;
- }
- }
+LLDSPEC void gdisp_lld_control(GDisplay *g) {
+ switch(g->p.x) {
+ case GDISP_CONTROL_POWER:
+ if (g->g.Powermode == (powermode_t)g->p.ptr)
+ return;
+ switch((powermode_t)g->p.ptr) {
+ case powerOff:
+ case powerSleep:
+ case powerDeepSleep:
+ acquire_bus(g);
+ enter_cmd_mode(g);
+ write_cmd(g, ST7565_DISPLAY_OFF);
+ flush_cmd(g);
+ release_bus(g);
+ break;
+ case powerOn:
+ acquire_bus(g);
+ enter_cmd_mode(g);
+ write_cmd(g, ST7565_DISPLAY_ON);
+ flush_cmd(g);
+ release_bus(g);
+ break;
+ default:
+ return;
+ }
+ g->g.Powermode = (powermode_t)g->p.ptr;
+ return;
+
+ case GDISP_CONTROL_ORIENTATION:
+ if (g->g.Orientation == (orientation_t)g->p.ptr)
+ return;
+ switch((orientation_t)g->p.ptr) {
+ /* Rotation is handled by the drawing routines */
+ case GDISP_ROTATE_0:
+ case GDISP_ROTATE_180:
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ break;
+ case GDISP_ROTATE_90:
+ case GDISP_ROTATE_270:
+ g->g.Height = GDISP_SCREEN_WIDTH;
+ g->g.Width = GDISP_SCREEN_HEIGHT;
+ break;
+ default:
+ return;
+ }
+ g->g.Orientation = (orientation_t)g->p.ptr;
+ return;
+
+ case GDISP_CONTROL_CONTRAST:
+ if ((unsigned)g->p.ptr > 100)
+ g->p.ptr = (void *)100;
+ acquire_bus(g);
+ enter_cmd_mode(g);
+ write_cmd2(g, ST7565_CONTRAST, ((((unsigned)g->p.ptr)<<6)/101) & 0x3F);
+ flush_cmd(g);
+ release_bus(g);
+ g->g.Contrast = (unsigned)g->p.ptr;
+ return;
+ }
+}
#endif // GDISP_NEED_CONTROL
#endif // GFX_USE_GDISP
projects / qmk_firmware.git / commitdiff