. Wprawdzie działam na stm32 f103 jednak to nie leży po stronie mikrokontrolera, tylko pewnie kodu. Od razu uprzedzam że to też nie jest wina wyświetlacza, na dwóch mam tak samo 
.Biblioteka jest zaciągnięta z Githuba
[syntax=c]#include <stdlib.h>
#include <stdint.h>
#include "stm32f1xx_hal.h"
#include "ST7565.h"
#include <string.h>
#include "spi.h"
#include "font.h"
#define ST7565_STARTBYTES 0
extern SPI_HandleTypeDef hspi2;
//extern void DelaymS(vu32 nTime);
//extern void DelayuS(vu32 nCount);
uint8_t is_reversed = 0;
// a handy reference to where the pages are on the screen
//const uint8_t pagemap[] = { 3, 2, 1, 0, 7, 6, 5, 4 };
const uint8_t pagemap[] = { 7, 6, 5, 4, 3, 2, 1, 0 };
// a 5x7 font table
extern const uint8_t font[];
int pData;
// the memory buffer for the LCD
uint8_t st7565_buffer[1024] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* uint8_t st7565_buffer[1024] = {
0x00, 0x07, 0x18, 0x20, 0x20, 0x40, 0x40, 0x40, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x40, 0x40, 0x40, 0x20, 0x20, 0x18, 0x07, 0x00,
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0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
0x00, 0xe0, 0x18, 0x04, 0x04, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x04, 0x04, 0x18, 0xe0, 0x00};
*/
// reduces how much is refreshed, which speeds it up!
// originally derived from Steve Evans/JCW's mod but cleaned up and
// optimized
#define enablePartialUpdate
#ifdef enablePartialUpdate
static uint8_t xUpdateMin, xUpdateMax, yUpdateMin, yUpdateMax;
#endif
static void ST7565_updateBoundingBox(uint8_t xmin, uint8_t ymin, uint8_t xmax, uint8_t ymax) {
#ifdef enablePartialUpdate
if (xmin < xUpdateMin) xUpdateMin = xmin;
if (xmax > xUpdateMax) xUpdateMax = xmax;
if (ymin < yUpdateMin) yUpdateMin = ymin;
if (ymax > yUpdateMax) yUpdateMax = ymax;
#endif
}
void ST7565_drawbitmap(uint8_t x, uint8_t y, const uint8_t *bitmap, uint8_t w, uint8_t h, uint8_t color) {
uint8_t i, j;
for (j=0; j<h; j++) {
for (i=0; i<w; i++ ) {
if (bitmap[i + (j/8) * w] & (1<<(j%8))) {
ST7565_my_setpixel(x+i, y+j, color);
}
}
}
ST7565_updateBoundingBox(x, y, x+w, y+h);
}
void ST7565_drawstring(uint8_t x, uint8_t line, char *c) {
while (c[0] != 0) {
ST7565_drawchar(x, line, c[0]);
c++;
x += 6; // 6 pixels wide
if (x + 6 >= LCDWIDTH) {
x = 0; // ran out of this line
line++;
}
if (line >= (LCDHEIGHT/8))
return; // ran out of space :(
}
}
void ST7565_drawstring_P(uint8_t x, uint8_t line, const char *str) {
char c;
while (1) {
c = *str++;
if (! c)
return;
ST7565_drawchar(x, line, c);
x += 6; // 6 pixels wide
if (x + 6 >= LCDWIDTH) {
x = 0; // ran out of this line
line++;
}
if (line >= (LCDHEIGHT/8))
return; // ran out of space :(
}
}
void ST7565_drawchar(uint8_t x, uint8_t line, char c) {
uint8_t i;
for (i =0; i<5; i++ ) {
st7565_buffer[x + (line*128) ] = font[((unsigned char)c * 5) + i];
x++;
}
ST7565_updateBoundingBox(x-5, line*8, x-1, line*8 + 8);
}
// bresenham's algorithm - thx wikpedia
void ST7565_drawline(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1,
uint8_t color) {
uint8_t steep = abs(y1 - y0) > abs(x1 - x0);
if (steep) {
swap(x0, y0);
swap(x1, y1);
}
if (x0 > x1) {
swap(x0, x1);
swap(y0, y1);
}
// much faster to put the test here, since we've already sorted the points
ST7565_updateBoundingBox(x0, y0, x1, y1);
uint8_t dx, dy;
dx = x1 - x0;
dy = abs(y1 - y0);
int8_t err = dx / 2;
int8_t ystep;
if (y0 < y1) {
ystep = 1;
} else {
ystep = -1;}
for (; x0<=x1; x0++) {
if (steep) {
ST7565_my_setpixel(y0, x0, color);
} else {
ST7565_my_setpixel(x0, y0, color);
}
err -= dy;
if (err < 0) {
y0 += ystep;
err += dx;
}
}
}
// filled rectangle
void ST7565_fillrect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color) {
uint8_t i, j;
// stupidest version - just pixels - but fast with internal buffer!
for (i=x; i<x+w; i++) {
for (j=y; j<y+h; j++) {
ST7565_my_setpixel(i, j, color);
}
}
ST7565_updateBoundingBox(x, y, x+w, y+h);
}
// draw a rectangle
void ST7565_drawrect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color) {
uint8_t i;
// stupidest version - just pixels - but fast with internal buffer!
for (i=x; i<x+w; i++) {
ST7565_my_setpixel(i, y, color);
ST7565_my_setpixel(i, y+h-1, color);
}
for (i=y; i<y+h; i++) {
ST7565_my_setpixel(x, i, color);
ST7565_my_setpixel(x+w-1, i, color);
}
ST7565_updateBoundingBox(x, y, x+w, y+h);
}
// draw a circle outline
void ST7565_drawcircle(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color) {
ST7565_updateBoundingBox(x0-r, y0-r, x0+r, y0+r);
int8_t f = 1 - r;
int8_t ddF_x = 1;
int8_t ddF_y = -2 * r;
int8_t x = 0;
int8_t y = r;
ST7565_my_setpixel(x0, y0+r, color);
ST7565_my_setpixel(x0, y0-r, color);
ST7565_my_setpixel(x0+r, y0, color);
ST7565_my_setpixel(x0-r, y0, color);
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
ST7565_my_setpixel(x0 + x, y0 + y, color);
ST7565_my_setpixel(x0 - x, y0 + y, color);
ST7565_my_setpixel(x0 + x, y0 - y, color);
ST7565_my_setpixel(x0 - x, y0 - y, color);
ST7565_my_setpixel(x0 + y, y0 + x, color);
ST7565_my_setpixel(x0 - y, y0 + x, color);
ST7565_my_setpixel(x0 + y, y0 - x, color);
ST7565_my_setpixel(x0 - y, y0 - x, color);
}
}
void ST7565_fillcircle(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color) {
ST7565_updateBoundingBox(x0-r, y0-r, x0+r, y0+r);
int8_t f = 1 - r;
int8_t ddF_x = 1;
int8_t ddF_y = -2 * r;
int8_t x = 0;
int8_t y = r;
uint8_t i;
for (i=y0-r; i<=y0+r; i++) {
ST7565_my_setpixel(x0, i, color);
}
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
for (i=y0-y; i<=y0+y; i++) {
ST7565_my_setpixel(x0+x, i, color);
ST7565_my_setpixel(x0-x, i, color);
}
for (i=y0-x; i<=y0+x; i++) {
ST7565_my_setpixel(x0+y, i, color);
ST7565_my_setpixel(x0-y, i, color);
}
}
}
void ST7565_my_setpixel(uint8_t x, uint8_t y, uint8_t color) {
if ((x >= LCDWIDTH) || (y >= LCDHEIGHT))
return;
// x is which column
if (color)
st7565_buffer[x+ (y/8)*128] |= (1<<(7-(y%8)));
else
st7565_buffer[x+ (y/8)*128] &= ~(1<<(7-(y%8)));
}
// the most basic function, set a single pixel
void ST7565_setpixel(uint8_t x, uint8_t y, uint8_t color) {
if ((x >= LCDWIDTH) || (y >= LCDHEIGHT))
return;
// x is which column
if (color)
st7565_buffer[x+ (y/8)*128] |= (1<<(7-(y%8)));
else
st7565_buffer[x+ (y/8)*128] &= ~(1<<(7-(y%8)));
ST7565_updateBoundingBox(x,y,x,y);
}
// the most basic function, get a single pixel
uint8_t ST7565_getpixel(uint8_t x, uint8_t y) {
if ((x >= LCDWIDTH) || (y >= LCDHEIGHT))
return 0;
return (st7565_buffer[x+ (y/8)*128] >> (7-(y%8))) & 0x1;
}
void ST7565_begin(uint8_t contrast) {
ST7565_st7565_init();
ST7565_st7565_command(CMD_DISPLAY_ON);
ST7565_st7565_command(CMD_SET_ALLPTS_NORMAL);
ST7565_st7565_set_brightness(contrast);
}
void ST7565_st7565_init(void) {
// toggle RST low to reset; CS is low so it'll listen to us
// if (cs > 0)
// digitalWrite(cs, LOW);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6, GPIO_PIN_RESET); // CS LOW
// digitalWrite(rst, LOW);
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_4, GPIO_PIN_RESET); // RST LOW 0.5sec
//wait 0.5sec
HAL_Delay(500);
//digitalWrite(rst, HIGH);
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_4, GPIO_PIN_SET); // RST HIGH
// LCD bias select
ST7565_st7565_command(CMD_SET_BIAS_7);
// ADC select
ST7565_st7565_command(CMD_SET_ADC_NORMAL);
// SHL select
ST7565_st7565_command(CMD_SET_COM_NORMAL);
// Initial display line
ST7565_st7565_command(CMD_SET_DISP_START_LINE);
// turn on voltage converter (VC=1, VR=0, VF=0)
ST7565_st7565_command(CMD_SET_POWER_CONTROL | 0x4);
// wait for 50% rising
HAL_Delay(50);
// turn on voltage regulator (VC=1, VR=1, VF=0)
ST7565_st7565_command(CMD_SET_POWER_CONTROL | 0x6);
// wait >=50ms
HAL_Delay(50);
// turn on voltage follower (VC=1, VR=1, VF=1)
ST7565_st7565_command(CMD_SET_POWER_CONTROL | 0x7);
// wait
HAL_Delay(10);
// set lcd operating voltage (regulator resistor, ref voltage resistor)
ST7565_st7565_command(CMD_SET_RESISTOR_RATIO | 0x6);
// initial display line
// set page address
// set column address
// write display data
// set up a bounding box for screen updates
ST7565_updateBoundingBox(0, 0, LCDWIDTH-1, LCDHEIGHT-1);
}
inline void ST7565_spiwrite(uint8_t c) {
//shiftOut(sid, sclk, MSBFIRST, c);
//while (SPI_GetFlagStatus(SPI2, SPI_FLAG_TXE) == RESET);
//SPI_SendData(SPI2, c);
HAL_SPI_Transmit(&hspi2, &c, 1, 500);
}
void ST7565_st7565_command(uint8_t c) {
// digitalWrite(a0, LOW);
// GPIO_ResetBits(GPIOA, GPIO_Pin_4);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
ST7565_spiwrite(c);
}
void ST7565_st7565_data(uint8_t c) {
// digitalWrite(a0, HIGH);
// GPIO_SetBits(GPIOB, GPIO_Pin_11);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
ST7565_spiwrite(c);
}
void ST7565_st7565_set_brightness(uint8_t val) {
ST7565_st7565_command(CMD_SET_VOLUME_FIRST);
ST7565_st7565_command(CMD_SET_VOLUME_SECOND | (val & 0x3f));
}
void ST7565_display(void) {
uint8_t col, maxcol, p;
/*
Serial.print("Refresh ("); Serial.print(xUpdateMin, DEC);
Serial.print(", "); Serial.print(xUpdateMax, DEC);
Serial.print(","); Serial.print(yUpdateMin, DEC);
Serial.print(", "); Serial.print(yUpdateMax, DEC); Serial.println(")");
*/
for(p = 0; p < 8; p++) {
/*
putstring("new page! ");
uart_putw_dec(p);
putstring_nl("");
*/
#ifdef enablePartialUpdate
// check if this page is part of update
if ( yUpdateMin >= ((p+1)*8) ) {
continue; // nope, skip it!
}
if (yUpdateMax < p*8) {
break;
}
#endif
HAL_Delay(1);
ST7565_st7565_command(CMD_SET_PAGE | pagemap[p]);
HAL_Delay(1);
#ifdef enablePartialUpdate
col = xUpdateMin;
maxcol = xUpdateMax;
#else
// start at the beginning of the row
col = 0;
maxcol = LCDWIDTH;
#endif
ST7565_st7565_command(CMD_SET_COLUMN_LOWER | ((col+ST7565_STARTBYTES) & 0xf));
HAL_Delay(1);
ST7565_st7565_command(CMD_SET_COLUMN_UPPER | (((col+ST7565_STARTBYTES) >> 4) & 0x0F));
HAL_Delay(1);
ST7565_st7565_command(CMD_RMW);
HAL_Delay(1);
for(; col < maxcol; col++) {
//uart_putw_dec(col);
//uart_putchar(' ');
ST7565_st7565_data(st7565_buffer[(128*p)+col]);
//DelayuS(10);
}
}
#ifdef enablePartialUpdate
xUpdateMin = LCDWIDTH;// - 1;
xUpdateMax = 0;
yUpdateMin = LCDHEIGHT;//-1;
yUpdateMax = 0;
#endif
}
// clear everything
void ST7565_clear(void) {
memset(st7565_buffer, 0, 1024);
ST7565_updateBoundingBox(0, 0, LCDWIDTH-1, LCDHEIGHT-1);
}
// this doesnt touch the buffer, just clears the display RAM - might be handy
void ST7565_clear_display(void) {
uint8_t p, c;
for(p = 0; p < 8; p++) {
/*
put
("new page! ");
uart_putw_dec(p);
putstring_nl("");
*/
ST7565_st7565_command(CMD_SET_PAGE | p);
for(c = 0; c < 128; c++) {
//uart_putw_dec(c);
//uart_putchar(' ');
ST7565_st7565_command(CMD_SET_COLUMN_LOWER | (c & 0xf));
ST7565_st7565_command(CMD_SET_COLUMN_UPPER | ((c >> 4) & 0xf));
//DelayuS(10);
ST7565_st7565_data(0x0);
}
}
}[/syntax]
Znalazłem wątek podobny można powiedzieć identyczny https://github.com/olikraus/u8g2/issues/1187 jednak nie wiem jak rozwiązali ten problem
.Statystyki: Napisane przez Eposas — 27 wrz 2022, o 15:55
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