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Hopefully finally fix the corrupt LCD

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The SPI bus is now selected and deselected before each set of commands.
Also speed up things by buffering many commands into a single batch.
This commit is contained in:
Fred Sundvik
2017-03-31 23:58:10 +03:00
parent 503565d174
commit 2b24d35846
2 changed files with 217 additions and 200 deletions
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46
keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
View File

@@ -37,10 +37,14 @@
// 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)
@@ -50,13 +54,10 @@ static const SPIConfig spi1config = {
//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);
@@ -65,7 +66,6 @@ static GFXINLINE void init_board(GDisplay *g) {
spiInit();
spiStart(&SPID1, &spi1config);
spiSelect(&SPID1);
}
static GFXINLINE void post_init_board(GDisplay *g) {
@@ -86,39 +86,27 @@ static GFXINLINE void acquire_bus(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);
}

371
keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c
View File

@@ -20,16 +20,16 @@
/*===========================================================================*/
#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)
@@ -40,16 +40,16 @@
/* 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
/*===========================================================================*/
@@ -58,12 +58,24 @@
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); }
@@ -86,207 +98,224 @@ typedef struct{
*/
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
// The private area is the display surface.
g->priv = gfxAlloc(sizeof(PrivData));
PRIV(g)->buffer2 = false;
// 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);
// Initialise the board interface
init_board(g);
// Hardware reset
setpin_reset(g, TRUE);
gfxSleepMilliseconds(20);
setpin_reset(g, FALSE);
gfxSleepMilliseconds(20);
// Hardware reset
setpin_reset(g, TRUE);
gfxSleepMilliseconds(20);
setpin_reset(g, FALSE);
gfxSleepMilliseconds(20);
acquire_bus(g);
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);
// 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;
/* 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;
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;
// 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);
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;
}
g->flags &= ~GDISP_FLG_NEEDFLUSH;
}
#endif
#if GDISP_HARDWARE_DRAWPIXEL
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
coord_t x, y;
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;
}
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;
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;
}
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;
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_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;
}
}
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