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Update lcd.c

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pull/7/head
Sylaina 6 years ago committed by GitHub
parent 82533902dd
commit 9139b4830d
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1 changed files with 96 additions and 93 deletions
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lcd.c
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@ -52,6 +52,7 @@ static struct {
uint8_t x; uint8_t x;
uint8_t y; uint8_t y;
} cursorPosition; } cursorPosition;
static uint8_t charMode = NORMALSIZE;
#if defined GRAPHICMODE #if defined GRAPHICMODE
#include <stdlib.h> #include <stdlib.h>
static uint8_t displayBuffer[DISPLAY_HEIGHT/8][DISPLAY_WIDTH]; static uint8_t displayBuffer[DISPLAY_HEIGHT/8][DISPLAY_WIDTH];
@ -174,22 +175,17 @@ void lcd_set_contrast(uint8_t contrast){
lcd_command(commandSequence, sizeof(commandSequence)); lcd_command(commandSequence, sizeof(commandSequence));
} }
void lcd_putc(char c){ void lcd_putc(char c){
#ifdef BIGCHAR
uint8_t control = 2;
#else
uint8_t control = 1;
#endif
switch (c) { switch (c) {
case '\b': case '\b':
// backspace // backspace
lcd_gotoxy(cursorPosition.x-control, cursorPosition.y); lcd_gotoxy(cursorPosition.x-charMode, cursorPosition.y);
lcd_putc(' '); lcd_putc(' ');
lcd_gotoxy(cursorPosition.x-control, cursorPosition.y); lcd_gotoxy(cursorPosition.x-charMode, cursorPosition.y);
break; break;
case '\t': case '\t':
// tab // tab
if( (cursorPosition.x+control*4) < (DISPLAY_WIDTH/ sizeof(FONT[0])-control*4) ){ if( (cursorPosition.x+charMode*4) < (DISPLAY_WIDTH/ sizeof(FONT[0])-charMode*4) ){
lcd_gotoxy(cursorPosition.x+control*4, cursorPosition.y); lcd_gotoxy(cursorPosition.x+charMode*4, cursorPosition.y);
}else{ }else{
lcd_gotoxy(DISPLAY_WIDTH/ sizeof(FONT[0]), cursorPosition.y); lcd_gotoxy(DISPLAY_WIDTH/ sizeof(FONT[0]), cursorPosition.y);
} }
@ -197,7 +193,7 @@ void lcd_putc(char c){
case '\n': case '\n':
// linefeed // linefeed
if(cursorPosition.y < (DISPLAY_HEIGHT/8-1)){ if(cursorPosition.y < (DISPLAY_HEIGHT/8-1)){
lcd_gotoxy(cursorPosition.x, cursorPosition.y+control); lcd_gotoxy(cursorPosition.x, cursorPosition.y+charMode);
} }
break; break;
case '\r': case '\r':
@ -222,107 +218,114 @@ void lcd_putc(char c){
} }
// print char at display // print char at display
#ifdef GRAPHICMODE #ifdef GRAPHICMODE
#ifdef BIGCHAR if (charMode == DOUBLESIZE) {
uint16_t doubleChar[sizeof(FONT[0])]; uint16_t doubleChar[sizeof(FONT[0])];
uint8_t dChar; uint8_t dChar;
for (uint8_t i=0; i < sizeof(FONT[0]); i++) { for (uint8_t i=0; i < sizeof(FONT[0]); i++) {
doubleChar[i] = 0; doubleChar[i] = 0;
dChar = pgm_read_byte(&(FONT[(uint8_t)c][i])); dChar = pgm_read_byte(&(FONT[(uint8_t)c][i]));
for (uint8_t j=0; j<8; j++) { for (uint8_t j=0; j<8; j++) {
if ((dChar & (1 << j))) { if ((dChar & (1 << j))) {
doubleChar[i] |= (1 << (j*2)); doubleChar[i] |= (1 << (j*2));
doubleChar[i] |= (1 << ((j*2)+1)); doubleChar[i] |= (1 << ((j*2)+1));
}
} }
} }
for (uint8_t i = 0; i < sizeof(FONT[0]); i++)
{
// load bit-pattern from flash
displayBuffer[cursorPosition.y+1][cursorPosition.x+(2*i)] = doubleChar[i] >> 8;
displayBuffer[cursorPosition.y+1][cursorPosition.x+(2*i)+1] = doubleChar[i] >> 8;
displayBuffer[cursorPosition.y][cursorPosition.x+(2*i)] = doubleChar[i] & 0xff;
displayBuffer[cursorPosition.y][cursorPosition.x+(2*i)+1] = doubleChar[i] & 0xff;
}
cursorPosition.x += sizeof(FONT[0])*2;
} else {
for (uint8_t i = 0; i < sizeof(FONT[0]); i++)
{
// load bit-pattern from flash
displayBuffer[cursorPosition.y][cursorPosition.x+i] =pgm_read_byte(&(FONT[(uint8_t)c][i]));
}
cursorPosition.x += sizeof(FONT[0]);
} }
for (uint8_t i = 0; i < sizeof(FONT[0]); i++)
{
// load bit-pattern from flash
displayBuffer[cursorPosition.y+1][cursorPosition.x+(2*i)] = doubleChar[i] >> 8;
displayBuffer[cursorPosition.y+1][cursorPosition.x+(2*i)+1] = doubleChar[i] >> 8;
displayBuffer[cursorPosition.y][cursorPosition.x+(2*i)] = doubleChar[i] & 0xff;
displayBuffer[cursorPosition.y][cursorPosition.x+(2*i)+1] = doubleChar[i] & 0xff;
}
#else
for (uint8_t i = 0; i < sizeof(FONT[0]); i++)
{
// load bit-pattern from flash
displayBuffer[cursorPosition.y][cursorPosition.x+i] =pgm_read_byte(&(FONT[(uint8_t)c][i]));
}
#endif
#elif defined TEXTMODE #elif defined TEXTMODE
#ifdef BIGCHAR if (charMode == DOUBLESIZE) {
uint16_t doubleChar[sizeof(FONT[0])]; uint16_t doubleChar[sizeof(FONT[0])];
uint8_t dChar; uint8_t dChar;
for (uint8_t i=0; i < sizeof(FONT[0]); i++) { for (uint8_t i=0; i < sizeof(FONT[0]); i++) {
doubleChar[i] = 0; doubleChar[i] = 0;
dChar = pgm_read_byte(&(FONT[(uint8_t)c][i])); dChar = pgm_read_byte(&(FONT[(uint8_t)c][i]));
for (uint8_t j=0; j<8; j++) { for (uint8_t j=0; j<8; j++) {
if ((dChar & (1 << j))) { if ((dChar & (1 << j))) {
doubleChar[i] |= (1 << (j*2)); doubleChar[i] |= (1 << (j*2));
doubleChar[i] |= (1 << ((j*2)+1)); doubleChar[i] |= (1 << ((j*2)+1));
}
} }
} }
} i2c_start(LCD_I2C_ADR << 1);
i2c_start(LCD_I2C_ADR << 1); i2c_byte(0x40);
i2c_byte(0x40); for (uint8_t i = 0; i < sizeof(FONT[0]); i++)
for (uint8_t i = 0; i < sizeof(FONT[0]); i++) {
{ // print font to ram, print 6 columns
// print font to ram, print 6 columns i2c_byte(doubleChar[i] & 0xff);
i2c_byte(doubleChar[i] & 0xff); i2c_byte(doubleChar[i] & 0xff);
i2c_byte(doubleChar[i] & 0xff); }
} i2c_stop();
i2c_stop();
#if defined SSD1306 #if defined SSD1306
uint8_t commandSequence[] = {0xb0+cursorPosition.y+1, 0x21, cursorPosition.x, 0x7f}; uint8_t commandSequence[] = {0xb0+cursorPosition.y+1,
0x21,
cursorPosition.x,
0x7f};
#elif defined SH1106 #elif defined SH1106
uint8_t commandSequence[] = {0xb0+cursorPosition.y+1, 0x21, 0x00+((2+cursorPosition.x) & (0x0f)), 0x10+( ((2+cursorPosition.x) & (0xf0)) >> 4 ), 0x7f}; uint8_t commandSequence[] = {0xb0+cursorPosition.y+1,
0x21,
0x00+((2+cursorPosition.x) & (0x0f)),
0x10+( ((2+cursorPosition.x) & (0xf0)) >> 4 ),
0x7f};
#endif #endif
lcd_command(commandSequence, sizeof(commandSequence)); lcd_command(commandSequence, sizeof(commandSequence));
i2c_start(LCD_I2C_ADR << 1); i2c_start(LCD_I2C_ADR << 1);
i2c_byte(0x40); i2c_byte(0x40);
for (uint8_t j = 0; j < sizeof(FONT[0]); j++) for (uint8_t j = 0; j < sizeof(FONT[0]); j++)
{ {
// print font to ram, print 6 columns // print font to ram, print 6 columns
i2c_byte(doubleChar[j] >> 8); i2c_byte(doubleChar[j] >> 8);
i2c_byte(doubleChar[j] >> 8); i2c_byte(doubleChar[j] >> 8);
} }
i2c_stop(); i2c_stop();
commandSequence[0] = 0xb0+cursorPosition.y; commandSequence[0] = 0xb0+cursorPosition.y;
#if defined SSD1306 #if defined SSD1306
commandSequence[2] = cursorPosition.x+(2*sizeof(FONT[0])); commandSequence[2] = cursorPosition.x+(2*sizeof(FONT[0]));
#elif defined SH1106 #elif defined SH1106
commandSequence[2] = 0x00+((2+cursorPosition.x+(2*sizeof(FONT[0]))) & (0x0f)); commandSequence[2] = 0x00+((2+cursorPosition.x+(2*sizeof(FONT[0]))) & (0x0f));
commandSequence[3] = 0x10+( ((2+cursorPosition.x+(2*sizeof(FONT[0]))) & (0xf0)) >> 4 ); commandSequence[3] = 0x10+( ((2+cursorPosition.x+(2*sizeof(FONT[0]))) & (0xf0)) >> 4 );
#endif #endif
lcd_command(commandSequence, sizeof(commandSequence)); lcd_command(commandSequence, sizeof(commandSequence));
cursorPosition.x += sizeof(FONT[0])*2;
} else {
#else i2c_start(LCD_I2C_ADR << 1);
i2c_start(LCD_I2C_ADR << 1); i2c_byte(0x40);
i2c_byte(0x40); for (uint8_t i = 0; i < sizeof(FONT[0]); i++)
for (uint8_t i = 0; i < sizeof(FONT[0]); i++) {
{ // print font to ram, print 6 columns
// print font to ram, print 6 columns i2c_byte(pgm_read_byte(&(FONT[(uint8_t)c][i])));
i2c_byte(pgm_read_byte(&(FONT[(uint8_t)c][i]))); }
i2c_stop();
cursorPosition.x += sizeof(FONT[0]);
} }
i2c_stop();
#endif
#endif
#ifdef BIGCHAR
cursorPosition.x += sizeof(FONT[0])*2;
#else
cursorPosition.x += sizeof(FONT[0]);
#endif #endif
break; break;
} }
} }
void lcd_charMode(uint8_t mode){
charMode = mode;
}
void lcd_puts(const char* s){ void lcd_puts(const char* s){
while (*s) { while (*s) {
lcd_putc(*s++); lcd_putc(*s++);

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