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path: root/drivers/ugfx/gdisp/st7565
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Diffstat (limited to 'drivers/ugfx/gdisp/st7565')
-rw-r--r--drivers/ugfx/gdisp/st7565/board_st7565_template.h58
-rw-r--r--drivers/ugfx/gdisp/st7565/driver.mk2
-rw-r--r--drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c76
3 files changed, 56 insertions, 80 deletions
diff --git a/drivers/ugfx/gdisp/st7565/board_st7565_template.h b/drivers/ugfx/gdisp/st7565/board_st7565_template.h
index 194f8ea24d..875ed9e65c 100644
--- a/drivers/ugfx/gdisp/st7565/board_st7565_template.h
+++ b/drivers/ugfx/gdisp/st7565/board_st7565_template.h
@@ -8,8 +8,9 @@
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
-#define ST7565_LCD_BIAS ST7565_LCD_BIAS_9 // actually 6
-#define ST7565_ADC ST7565_ADC_NORMAL
+#include "quantum.h"
+
+#define ST7565_LCD_BIAS ST7565_LCD_BIAS_7
#define ST7565_COM_SCAN ST7565_COM_SCAN_DEC
#define ST7565_PAGE_ORDER 0, 1, 2, 3
/*
@@ -17,19 +18,12 @@
* #define ST7565_PAGE_ORDER 4,5,6,7,0,1,2,3
*/
-#define ST7565_GPIOPORT GPIOC
-#define ST7565_PORT PORTC
-#define ST7565_A0_PIN 7
-#define ST7565_RST_PIN 8
-#define ST7565_MOSI_PIN 6
-#define ST7565_SLCK_PIN 5
-#define ST7565_SS_PIN 4
-
-#define palSetPadModeRaw(portname, bits) ST7565_PORT->PCR[ST7565_##portname##_PIN] = bits
+#define ST7565_A0_PIN C7
+#define ST7565_RST_PIN C8
+#define ST7565_MOSI_PIN C6
+#define ST7565_SCLK_PIN C5
+#define ST7565_SS_PIN C4
-#define palSetPadModeNamed(portname, portmode) palSetPadMode(ST7565_GPIOPORT, ST7565_##portname##_PIN, portmode)
-
-#define ST7565_SPI_MODE PORTx_PCRn_DSE | PORTx_PCRn_MUX(2)
// DSPI Clock and Transfer Attributes
// Frame Size: 8 bits
// MSB First
@@ -38,9 +32,9 @@ static const SPIConfig spi1config = {
// Operation complete callback or @p NULL.
.end_cb = NULL,
// The chip select line port - when not using pcs.
- .ssport = ST7565_GPIOPORT,
+ .ssport = PAL_PORT(ST7565_SS_PIN),
// brief The chip select line pad number - when not using pcs.
- .sspad = ST7565_SS_PIN,
+ .sspad = PAL_PAD(ST7565_SS_PIN),
// SPI initialization data.
.tar0 = SPIx_CTARn_FMSZ(7) // Frame size = 8 bytes
| SPIx_CTARn_ASC(1) // After SCK Delay Scaler (min 50 ns) = 55.56ns
@@ -66,13 +60,14 @@ static GFXINLINE void release_bus(GDisplay *g) {
static GFXINLINE void init_board(GDisplay *g) {
(void)g;
- palSetPadModeNamed(A0, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- palSetPadModeNamed(RST, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
- palSetPadModeRaw(MOSI, ST7565_SPI_MODE);
- palSetPadModeRaw(SLCK, ST7565_SPI_MODE);
- palSetPadModeNamed(SS, PAL_MODE_OUTPUT_PUSHPULL);
+ setPinOutput(ST7565_A0_PIN);
+ writePinHigh(ST7565_A0_PIN);
+ setPinOutput(ST7565_RST_PIN);
+ writePinHigh(ST7565_RST_PIN);
+ setPinOutput(ST7565_SS_PIN);
+
+ palSetPadMode(PAL_PORT(ST7565_MOSI_PIN), PAL_PAD(ST7565_MOSI_PIN), PAL_MODE_ALTERNATIVE_2);
+ palSetPadMode(PAL_PORT(ST7565_SCLK_PIN), PAL_PAD(ST7565_SCLK_PIN), PAL_MODE_ALTERNATIVE_2);
spiInit();
spiStart(&SPID1, &spi1config);
@@ -83,19 +78,18 @@ static GFXINLINE void post_init_board(GDisplay *g) { (void)g; }
static GFXINLINE void setpin_reset(GDisplay *g, bool_t state) {
(void)g;
- if (state) {
- palClearPad(ST7565_GPIOPORT, ST7565_RST_PIN);
- } else {
- palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
- }
+ writePin(ST7565_RST_PIN, !state);
}
-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_cmd(GDisplay *g, gU8 cmd) {
+ (void)g;
+ writePinLow(ST7565_A0_PIN);
+ spiSend(&SPID1, 1, &cmd);
+}
-static GFXINLINE void write_data(GDisplay *g, uint8_t *data, uint16_t length) {
+static GFXINLINE void write_data(GDisplay *g, gU8 *data, gU16 length) {
(void)g;
+ writePinHigh(ST7565_A0_PIN);
spiSend(&SPID1, length, data);
}
diff --git a/drivers/ugfx/gdisp/st7565/driver.mk b/drivers/ugfx/gdisp/st7565/driver.mk
index 31fc8f1c76..799a986b0a 100644
--- a/drivers/ugfx/gdisp/st7565/driver.mk
+++ b/drivers/ugfx/gdisp/st7565/driver.mk
@@ -1,3 +1,3 @@
GFXINC += drivers/ugfx/gdisp/st7565
GFXSRC += drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c
-GDISP_DRIVER_LIST += GDISPVMT_ST7565_QMK \ No newline at end of file
+GDISP_DRIVER_LIST += GDISPVMT_ST7565_QMK
diff --git a/drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c b/drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c
index fde320981b..f586f97e38 100644
--- a/drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c
+++ b/drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c
@@ -49,31 +49,15 @@
# 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, 4, 5, 6, 7
# endif
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
-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 RAM(g) ((gU8 *)g->priv)
# define write_cmd2(g, cmd1, cmd2) \
{ \
write_cmd(g, cmd1); \
@@ -106,9 +90,10 @@ static GFXINLINE void flush_cmd(GDisplay *g) {
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
// The private area is the display surface.
- g->priv = gfxAlloc(sizeof(PrivData));
- PRIV(g)->buffer2 = false;
- PRIV(g)->data_pos = 0;
+ g->priv = gfxAlloc(GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH / 8);
+ if (!g->priv) {
+ return gFalse;
+ }
// Initialise the board interface
init_board(g);
@@ -119,25 +104,33 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
setpin_reset(g, FALSE);
gfxSleepMilliseconds(20);
acquire_bus(g);
- enter_cmd_mode(g);
- write_cmd(g, ST7565_RESET);
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_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST * 64 / 101);
write_cmd(g, ST7565_RESISTOR_RATIO | 0x1);
- write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST);
- // turn on internal power supply (VC=1, VR=1, VF=1)
+ // turn on voltage converter (VC=1, VR=0, VF=0)
+ write_cmd(g, ST7565_POWER_CONTROL | 0x04);
+ 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 follower (VC=1, VR=1, VF=1)
write_cmd(g, ST7565_POWER_CONTROL | 0x07);
+ delay_ms(50);
- write_cmd(g, ST7565_INVERT_DISPLAY);
+ write_cmd(g, ST7565_DISPLAY_ON);
write_cmd(g, ST7565_ALLON_NORMAL);
+ write_cmd(g, ST7565_INVERT_DISPLAY); // Disable Inversion of display.
- write_cmd(g, ST7565_START_LINE | 0);
write_cmd(g, ST7565_RMW);
- flush_cmd(g);
// Finish Init
post_init_board(g);
@@ -163,22 +156,14 @@ LLDSPEC void gdisp_lld_flush(GDisplay *g) {
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));
+ gU8 pagemap[] = {ST7565_PAGE_ORDER};
+ for (p = 0; p < sizeof(pagemap); p++) {
+ write_cmd(g, ST7565_PAGE | pagemap[p]);
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;
@@ -243,6 +228,7 @@ LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
}
# endif
+# if GDISP_HARDWARE_BITFILLS
LLDSPEC void gdisp_lld_blit_area(GDisplay *g) {
uint8_t *buffer = (uint8_t *)g->p.ptr;
int linelength = g->p.cx;
@@ -268,6 +254,7 @@ LLDSPEC void gdisp_lld_blit_area(GDisplay *g) {
}
g->flags |= GDISP_FLG_NEEDFLUSH;
}
+# endif
# if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g) {
@@ -279,16 +266,12 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
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:
@@ -318,12 +301,11 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
return;
case GDISP_CONTROL_CONTRAST:
- g->g.Contrast = (unsigned)g->p.ptr & 63;
+ if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
acquire_bus(g);
- enter_cmd_mode(g);
- write_cmd2(g, ST7565_CONTRAST, g->g.Contrast);
- flush_cmd(g);
+ write_cmd2(g, ST7565_CONTRAST, ((((unsigned)g->p.ptr) << 6) / 101) & 0x3F);
release_bus(g);
+ g->g.Contrast = (unsigned)g->p.ptr;
return;
}
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-11 21:15:57 +0000