Merge branch 'st7735_mr' of olegator77/uGFX into master
This commit is contained in:
Joel
Gogs
commit
ea2aeff010
2
drivers/gdisp/ST7735/driver.mk
Normal file
2
drivers/gdisp/ST7735/driver.mk
Normal file
@ -0,0 +1,2 @@
|
||||
GFXINC += $(GFXLIB)/drivers/gdisp/ST7735
|
||||
GFXSRC += $(GFXLIB)/drivers/gdisp/ST7735/gdisp_lld_ST7735.c
|
||||
381
drivers/gdisp/ST7735/gdisp_lld_ST7735.c
Normal file
381
drivers/gdisp/ST7735/gdisp_lld_ST7735.c
Normal file
@ -0,0 +1,381 @@
|
||||
/*
|
||||
* Created by Oleg Gerasimov <ogerasimov@gmail.com>
|
||||
* 14.08.2016
|
||||
*/
|
||||
|
||||
#include "gfx.h"
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
#if defined(GDISP_SCREEN_HEIGHT)
|
||||
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
|
||||
#undef GISP_SCREEN_HEIGHT
|
||||
#endif
|
||||
#if defined(GDISP_SCREEN_WIDTH)
|
||||
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
|
||||
#undef GDISP_SCREEN_WIDTH
|
||||
#endif
|
||||
|
||||
#define GDISP_DRIVER_VMT GDISPVMT_ST7735
|
||||
#include "gdisp_lld_config.h"
|
||||
#include "src/gdisp/gdisp_driver.h"
|
||||
|
||||
#include "board_ST7735.h"
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver local definitions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifndef GDISP_SCREEN_HEIGHT
|
||||
#define GDISP_SCREEN_HEIGHT 160
|
||||
#endif
|
||||
#ifndef GDISP_SCREEN_WIDTH
|
||||
#define GDISP_SCREEN_WIDTH 128
|
||||
#endif
|
||||
#ifndef GDISP_INITIAL_CONTRAST
|
||||
#define GDISP_INITIAL_CONTRAST 100
|
||||
#endif
|
||||
#ifndef GDISP_INITIAL_BACKLIGHT
|
||||
#define GDISP_INITIAL_BACKLIGHT 100
|
||||
#endif
|
||||
|
||||
// Define one of supported type, if not defined yet
|
||||
#if !defined(ST7735_TYPE_R) && !defined(ST7735_TYPE_B)
|
||||
// It seems all modern boards is 7735R
|
||||
#define ST7735_TYPE_R TRUE
|
||||
#endif
|
||||
|
||||
// Define one of supported color packing, if not defined yet
|
||||
#if !defined(ST7735_COLOR_RGB) && !defined(ST7735_COLOR_BRG)
|
||||
// It seems all modern boards is RGB
|
||||
#define ST7735_COLOR_RGB TRUE
|
||||
#endif
|
||||
|
||||
|
||||
// Strange boars with shifted coords
|
||||
#if !defined (ST7735_SHIFTED_COORDS)
|
||||
#define ST7735_SHIFTED_COORDS FALSE
|
||||
#endif
|
||||
|
||||
|
||||
#if ST7735_COLOR_RGB
|
||||
#define ST7735_MADCTRL_COLOR 0x00
|
||||
#else
|
||||
#define ST7735_MADCTRL_COLOR 0x08
|
||||
#endif
|
||||
|
||||
#if ST7735_SHIFTED_COORDS
|
||||
#define ST7735_COL_SHIFT 2
|
||||
#define ST7735_ROW_SHIFT 1
|
||||
#else
|
||||
#define ST7735_COL_SHIFT 0
|
||||
#define ST7735_ROW_SHIFT 0
|
||||
#endif
|
||||
|
||||
|
||||
#include "drivers/gdisp/ST7735/ST7735.h"
|
||||
|
||||
// Some common routines and macros
|
||||
#define dummy_read(g) { volatile uint16_t dummy; dummy = read_data(g); (void) dummy; }
|
||||
#define write_reg(g, reg, data) { write_cmd(g, reg); write_data(g, data); }
|
||||
|
||||
// Serial write data for fast fill.
|
||||
#ifndef write_data_repeat
|
||||
#define write_data_repeat(g, data, count) { int i; for (i = 0; i < count; ++i) write_data (g, data) }
|
||||
#endif
|
||||
|
||||
// Commands list copied from https://github.com/adafruit/Adafruit-ST7735-Library
|
||||
#define DELAY 0x80
|
||||
|
||||
#if ST7735_TYPE_B
|
||||
static const unsigned char
|
||||
init_cmds[] = { // Initialization commands for 7735B screens
|
||||
16, // 16 commands in list:
|
||||
ST7735_SWRESET, DELAY, // 1: Software reset, no args, w/delay
|
||||
50, // 50 ms delay
|
||||
ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, no args, w/delay
|
||||
255, // 255 = 500 ms delay
|
||||
ST7735_COLMOD , 1+DELAY, // 3: Set color mode, 1 arg + delay:
|
||||
0x05, // 16-bit color
|
||||
10, // 10 ms delay
|
||||
ST7735_FRMCTR1, 3+DELAY, // 4: Frame rate control, 3 args + delay:
|
||||
0x00, // fastest refresh
|
||||
0x06, // 6 lines front porch
|
||||
0x03, // 3 lines back porch
|
||||
10, // 10 ms delay
|
||||
ST7735_MADCTL , 1 , // 5: Memory access ctrl (directions), 1 arg:
|
||||
ST7735_MADCTRL_COLOR, // Row addr/col addr, bottom to top refresh
|
||||
ST7735_DISSET5, 2 , // 6: Display settings #5, 2 args, no delay:
|
||||
0x15, // 1 clk cycle nonoverlap, 2 cycle gate
|
||||
// rise, 3 cycle osc equalize
|
||||
0x02, // Fix on VTL
|
||||
ST7735_INVCTR , 1 , // 7: Display inversion control, 1 arg:
|
||||
0x0, // Line inversion
|
||||
ST7735_PWCTR1 , 2+DELAY, // 8: Power control, 2 args + delay:
|
||||
0x02, // GVDD = 4.7V
|
||||
0x70, // 1.0uA
|
||||
10, // 10 ms delay
|
||||
ST7735_PWCTR2 , 1 , // 9: Power control, 1 arg, no delay:
|
||||
0x05, // VGH = 14.7V, VGL = -7.35V
|
||||
ST7735_PWCTR3 , 2 , // 10: Power control, 2 args, no delay:
|
||||
0x01, // Opamp current small
|
||||
0x02, // Boost frequency
|
||||
ST7735_VMCTR1 , 2+DELAY, // 11: Power control, 2 args + delay:
|
||||
0x3C, // VCOMH = 4V
|
||||
0x38, // VCOML = -1.1V
|
||||
10, // 10 ms delay
|
||||
ST7735_PWCTR6 , 2 , // 12: Power control, 2 args, no delay:
|
||||
0x11, 0x15,
|
||||
ST7735_GMCTRP1,16 , // 13: Magical unicorn dust, 16 args, no delay:
|
||||
0x09, 0x16, 0x09, 0x20, // (seriously though, not sure what
|
||||
0x21, 0x1B, 0x13, 0x19, // these config values represent)
|
||||
0x17, 0x15, 0x1E, 0x2B,
|
||||
0x04, 0x05, 0x02, 0x0E,
|
||||
ST7735_GMCTRN1,16+DELAY, // 14: Sparkles and rainbows, 16 args + delay:
|
||||
0x0B, 0x14, 0x08, 0x1E, // (ditto)
|
||||
0x22, 0x1D, 0x18, 0x1E,
|
||||
0x1B, 0x1A, 0x24, 0x2B,
|
||||
0x06, 0x06, 0x02, 0x0F,
|
||||
10, // 10 ms delay
|
||||
ST7735_NORON , DELAY, // 17: Normal display on, no args, w/delay
|
||||
10, // 10 ms delay
|
||||
ST7735_DISPON , DELAY, // 18: Main screen turn on, no args, w/delay
|
||||
255 }; // 255 = 500 ms delay
|
||||
#elif ST7735_TYPE_R
|
||||
static const unsigned char
|
||||
init_cmds[] = { // Init for 7735R, part 1 (red or green tab)
|
||||
19, // 19 commands in list:
|
||||
ST7735_SWRESET, DELAY, // 1: Software reset, 0 args, w/delay
|
||||
150, // 150 ms delay
|
||||
ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, 0 args, w/delay
|
||||
255, // 500 ms delay
|
||||
ST7735_FRMCTR1, 3 , // 3: Frame rate ctrl - normal mode, 3 args:
|
||||
0x00, 0x0, 0x0, // Rate = fosc/(0+40) * (LINE+0+0)
|
||||
ST7735_FRMCTR2, 3 , // 4: Frame rate control - idle mode, 3 args:
|
||||
0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
|
||||
ST7735_FRMCTR3, 6 , // 5: Frame rate ctrl - partial mode, 6 args:
|
||||
0x01, 0x2C, 0x2D, // Dot inversion mode
|
||||
0x01, 0x2C, 0x2D, // Line inversion mode
|
||||
ST7735_INVCTR , 1 , // 6: Display inversion ctrl, 1 arg, no delay:
|
||||
0x07, // No inversion
|
||||
ST7735_PWCTR1 , 3 , // 7: Power control, 3 args, no delay:
|
||||
0xA2,
|
||||
0x02, // -4.6V
|
||||
0x44, // mode 3
|
||||
ST7735_PWCTR2 , 1 , // 8: Power control, 1 arg, no delay:
|
||||
0xC5, // VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD
|
||||
ST7735_PWCTR3 , 2 , // 9: Power control, 2 args, no delay:
|
||||
0x0A, // Opamp current small
|
||||
0x00, // Boost frequency
|
||||
ST7735_PWCTR4 , 2 , // 10: Power control, 2 args, no delay:
|
||||
0x8A, // BCLK/2, Opamp current small & Medium low
|
||||
0x2A,
|
||||
ST7735_PWCTR5 , 2 , // 11: Power control, 2 args, no delay:
|
||||
0x8A, 0xEE,
|
||||
ST7735_VMCTR1 , 1 , // 12: Power control, 1 arg, no delay:
|
||||
0x0E,
|
||||
ST7735_INVOFF , 0 , // 13: Don't invert display, no args, no delay
|
||||
ST7735_MADCTL , 1 , // 14: Memory access control (directions), 1 arg:
|
||||
0xC0|ST7735_MADCTRL_COLOR, // row addr/col addr, bottom to top refresh
|
||||
ST7735_COLMOD , 1 , // 15: set color mode, 1 arg, no delay:
|
||||
0x05, // 16-bit color
|
||||
ST7735_GMCTRP1, 16 , // 1: Magical unicorn dust, 16 args, no delay:
|
||||
0x02, 0x1c, 0x07, 0x12,
|
||||
0x37, 0x32, 0x29, 0x2d,
|
||||
0x29, 0x25, 0x2B, 0x39,
|
||||
0x00, 0x01, 0x03, 0x10,
|
||||
ST7735_GMCTRN1, 16 , // 2: Sparkles and rainbows, 16 args, no delay:
|
||||
0x03, 0x1d, 0x07, 0x06,
|
||||
0x2E, 0x2C, 0x29, 0x2D,
|
||||
0x2E, 0x2E, 0x37, 0x3F,
|
||||
0x00, 0x00, 0x02, 0x10,
|
||||
ST7735_NORON , DELAY, // 3: Normal display on, no args, w/delay
|
||||
10, // 10 ms delay
|
||||
ST7735_DISPON , DELAY, // 4: Main screen turn on, no args w/delay
|
||||
100
|
||||
}; // 100 ms delay
|
||||
#endif
|
||||
|
||||
|
||||
static void execute_cmds (const uint8_t *addr) {
|
||||
|
||||
unsigned int cmds = *addr++;
|
||||
while (cmds--) {
|
||||
write_cmd (g, *addr++);
|
||||
unsigned int args = *addr++;
|
||||
unsigned int ms = args & DELAY;
|
||||
args &= ~DELAY;
|
||||
while(args--)
|
||||
write_data_byte (g,*addr++);
|
||||
if (ms) {
|
||||
ms = *addr++;
|
||||
gfxSleepMilliseconds(ms==255?500:ms);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
// No private area for this controller
|
||||
g->priv = 0;
|
||||
|
||||
// Initialise the board interface
|
||||
init_board(g);
|
||||
|
||||
// Hardware reset
|
||||
setpin_reset(g, TRUE);
|
||||
gfxSleepMilliseconds(20);
|
||||
setpin_reset(g, FALSE);
|
||||
gfxSleepMilliseconds(20);
|
||||
|
||||
// Get the bus for the following initialisation commands
|
||||
acquire_bus(g);
|
||||
execute_cmds (init_cmds);
|
||||
release_bus(g);
|
||||
|
||||
// Finish Init
|
||||
post_init_board(g);
|
||||
|
||||
/* Turn on the back-light */
|
||||
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
|
||||
|
||||
/* 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;
|
||||
}
|
||||
|
||||
static void set_viewport(GDisplay *g) {
|
||||
write_cmd (g, ST7735_CASET);
|
||||
write_data (g, g->p.x+ST7735_COL_SHIFT);
|
||||
write_data (g, g->p.x+g->p.cx-1+ST7735_COL_SHIFT);
|
||||
write_cmd (g, ST7735_RASET);
|
||||
write_data (g, g->p.y+ST7735_ROW_SHIFT);
|
||||
write_data (g, g->p.y+g->p.cy-1+ST7735_ROW_SHIFT);
|
||||
write_cmd (g, ST7735_RAMWR);
|
||||
}
|
||||
|
||||
#if GDISP_HARDWARE_STREAM_WRITE
|
||||
LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
|
||||
acquire_bus(g);
|
||||
set_viewport(g);
|
||||
}
|
||||
|
||||
LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
|
||||
LLDCOLOR_TYPE c;
|
||||
c = gdispColor2Native(g->p.color);
|
||||
write_data(g, c );
|
||||
}
|
||||
|
||||
LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
|
||||
release_bus(g);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
|
||||
set_viewport(g);
|
||||
gdisp_lld_write_color (g);
|
||||
}
|
||||
|
||||
#if GDISP_HARDWARE_FILLS
|
||||
LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
|
||||
LLDCOLOR_TYPE c = gdispColor2Native(g->p.color);
|
||||
|
||||
acquire_bus(g);
|
||||
set_viewport (g);
|
||||
write_data_repeat (g,c,g->p.cx*g->p.cy);
|
||||
release_bus(g);
|
||||
}
|
||||
#endif // GDISP_HARDWARE_FILLS
|
||||
|
||||
#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:
|
||||
acquire_bus(g);
|
||||
// not implemented
|
||||
release_bus();
|
||||
set_backlight(g, 0);
|
||||
break;
|
||||
case powerSleep:
|
||||
case powerDeepSleep:
|
||||
// not implemented
|
||||
acquire_bus(g);
|
||||
release_bus(g);
|
||||
set_backlight(g, 0);
|
||||
break;
|
||||
case powerOn:
|
||||
acquire_bus(g);
|
||||
// not implemented
|
||||
release_bus(g);
|
||||
set_backlight(g, g->g.Backlight);
|
||||
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) {
|
||||
case GDISP_ROTATE_0:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7735_MADCTL);
|
||||
write_data_byte(g, 0xC0|ST7735_MADCTRL_COLOR);
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
release_bus(g);
|
||||
break;
|
||||
case GDISP_ROTATE_90:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7735_MADCTL);
|
||||
write_data_byte(g, 0xA0|ST7735_MADCTRL_COLOR);
|
||||
g->g.Height = GDISP_SCREEN_WIDTH;
|
||||
g->g.Width = GDISP_SCREEN_HEIGHT;
|
||||
release_bus(g);
|
||||
break;
|
||||
case GDISP_ROTATE_180:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7735_MADCTL);
|
||||
write_data_byte(g, 0x00|ST7735_MADCTRL_COLOR);
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
release_bus(g);
|
||||
break;
|
||||
case GDISP_ROTATE_270:
|
||||
acquire_bus(g);
|
||||
write_cmd(g, ST7735_MADCTL);
|
||||
write_data_byte(g, 0x60|ST7735_MADCTRL_COLOR);
|
||||
g->g.Height = GDISP_SCREEN_WIDTH;
|
||||
g->g.Width = GDISP_SCREEN_HEIGHT;
|
||||
release_bus(g);
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Orientation = (orientation_t)g->p.ptr;
|
||||
return;
|
||||
case GDISP_CONTROL_BACKLIGHT:
|
||||
if ((unsigned)g->p.ptr > 100)
|
||||
g->p.ptr = (void *)100;
|
||||
set_backlight(g, (unsigned)g->p.ptr);
|
||||
g->g.Backlight = (unsigned)g->p.ptr;
|
||||
return;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* GFX_USE_GDISP */
|
||||
23
drivers/gdisp/ST7735/gdisp_lld_config.h
Normal file
23
drivers/gdisp/ST7735/gdisp_lld_config.h
Normal file
@ -0,0 +1,23 @@
|
||||
/*
|
||||
* Created by Oleg Gerasimov <ogerasimov@gmail.com>
|
||||
* 10.08.2016
|
||||
*/
|
||||
|
||||
#ifndef _GDISP_LLD_CONFIG_H
|
||||
#define _GDISP_LLD_CONFIG_H
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver hardware support. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#define GDISP_HARDWARE_STREAM_WRITE TRUE
|
||||
#define GDISP_HARDWARE_CONTROL TRUE
|
||||
#define GDISP_HARDWARE_FILLS TRUE
|
||||
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_RGB565
|
||||
|
||||
#endif /* GFX_USE_GDISP */
|
||||
|
||||
#endif /* _GDISP_LLD_CONFIG_H */
|
||||
51
drivers/gdisp/ST7735/st7735.h
Normal file
51
drivers/gdisp/ST7735/st7735.h
Normal file
@ -0,0 +1,51 @@
|
||||
#ifndef _ST7735_H_
|
||||
#define _ST7735_H_
|
||||
|
||||
#define ST7735_NOP 0x00
|
||||
#define ST7735_SWRESET 0x01
|
||||
#define ST7735_RDDID 0x04
|
||||
#define ST7735_RDDST 0x09
|
||||
|
||||
#define ST7735_SLPIN 0x10
|
||||
#define ST7735_SLPOUT 0x11
|
||||
#define ST7735_PTLON 0x12
|
||||
#define ST7735_NORON 0x13
|
||||
|
||||
#define ST7735_INVOFF 0x20
|
||||
#define ST7735_INVON 0x21
|
||||
#define ST7735_DISPOFF 0x28
|
||||
#define ST7735_DISPON 0x29
|
||||
#define ST7735_CASET 0x2A
|
||||
#define ST7735_RASET 0x2B
|
||||
#define ST7735_RAMWR 0x2C
|
||||
#define ST7735_RAMRD 0x2E
|
||||
|
||||
#define ST7735_PTLAR 0x30
|
||||
#define ST7735_COLMOD 0x3A
|
||||
#define ST7735_MADCTL 0x36
|
||||
|
||||
#define ST7735_FRMCTR1 0xB1
|
||||
#define ST7735_FRMCTR2 0xB2
|
||||
#define ST7735_FRMCTR3 0xB3
|
||||
#define ST7735_INVCTR 0xB4
|
||||
#define ST7735_DISSET5 0xB6
|
||||
|
||||
#define ST7735_PWCTR1 0xC0
|
||||
#define ST7735_PWCTR2 0xC1
|
||||
#define ST7735_PWCTR3 0xC2
|
||||
#define ST7735_PWCTR4 0xC3
|
||||
#define ST7735_PWCTR5 0xC4
|
||||
#define ST7735_VMCTR1 0xC5
|
||||
|
||||
#define ST7735_RDID1 0xDA
|
||||
#define ST7735_RDID2 0xDB
|
||||
#define ST7735_RDID3 0xDC
|
||||
#define ST7735_RDID4 0xDD
|
||||
|
||||
#define ST7735_PWCTR6 0xFC
|
||||
|
||||
#define ST7735_GMCTRP1 0xE0
|
||||
#define ST7735_GMCTRN1 0xE1
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user