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Create a function to move the cursor

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Create a function (`lcs_move_cursor()`) to move the cursor in order to
reduce code repetition.
This commit is contained in:
finga 2021-09-14 21:23:38 +02:00
parent cc105aa9c9
commit 47bd5e45f7
1 changed files with 22 additions and 63 deletions
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85
firmware/src/main.c
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@ -2,6 +2,7 @@
#include <avr/io.h> #include <avr/io.h>
#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <util/delay.h> #include <util/delay.h>
#include <assert.h>
#include <stdbool.h> #include <stdbool.h>
#include <string.h> #include <string.h>
@ -201,13 +202,19 @@ static void lcd_update_backlight(void) {
} }
} }
static void lcd_move_cursor(const uint8_t column, const uint8_t row) {
assert(row < 16);
SPI_PORT &= ~(1 << LCD_CD);
lcd_write(0x00 + (0x0F & column));
lcd_write(0x10 + (column >> 4));
lcd_write(0xB0 + row);
SPI_PORT |= (1 << LCD_CD);
}
static void lcd_fill(const uint8_t data) { static void lcd_fill(const uint8_t data) {
for (uint8_t i = 0; i < 8; i++) { for (uint8_t i = 0; i < 8; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB0 + i);
SPI_PORT |= (1 << LCD_CD);
for (uint8_t j = 0; j < 102; j++) for (uint8_t j = 0; j < 102; j++)
lcd_write(data); lcd_write(data);
@ -280,11 +287,7 @@ static void lcd_splash(void) {
lcd_fill(0x00); lcd_fill(0x00);
for (uint8_t i = 0; i < 5; i++) { for (uint8_t i = 0; i < 5; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(31, 1 + i);
lcd_write(0x0F);
lcd_write(0x11);
lcd_write(0xB1 + i);
SPI_PORT |= (1 << LCD_CD);
for (uint8_t j = 0; j < 40; j++) for (uint8_t j = 0; j < 40; j++)
lcd_write(sacred_chao[i * 40 + j]); lcd_write(sacred_chao[i * 40 + j]);
@ -292,11 +295,7 @@ static void lcd_splash(void) {
} }
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(26, 6 + i);
lcd_write(0x0A);
lcd_write(0x11);
lcd_write(0xB6 + i);
SPI_PORT |= (1 << LCD_CD);
for (uint8_t j = 0; j < 48; j++) for (uint8_t j = 0; j < 48; j++)
lcd_write(onders_org[i * 48 + j]); lcd_write(onders_org[i * 48 + j]);
@ -327,39 +326,19 @@ static void lcd_home(void) {
} }
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB0 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("CH1\0", i, ch1_selected); lcd_write_string_page("CH1\0", i, ch1_selected);
lcd_write_kerning(2, ch1_selected); lcd_write_kerning(2, ch1_selected);
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, 2 + i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB2 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("CH2\0", i, ch2_selected); lcd_write_string_page("CH2\0", i, ch2_selected);
lcd_write_kerning(2, ch2_selected); lcd_write_kerning(2, ch2_selected);
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, 4 + i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB4 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("CH3\0", i, ch3_selected); lcd_write_string_page("CH3\0", i, ch3_selected);
lcd_write_kerning(2, ch3_selected); lcd_write_kerning(2, ch3_selected);
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(33, 6 + i);
lcd_write(0x01);
lcd_write(0x12);
lcd_write(0xB6 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("SETUP\0", i, setup_selected); lcd_write_string_page("SETUP\0", i, setup_selected);
lcd_write_kerning(2, setup_selected); lcd_write_kerning(2, setup_selected);
} }
@ -393,24 +372,14 @@ static void lcd_setup(void) {
} }
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB0 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_kerning(30, true); lcd_write_kerning(30, true);
lcd_write_string_page("SETUP\0", i, true); lcd_write_string_page("SETUP\0", i, true);
lcd_write_kerning(33, true); lcd_write_kerning(33, true);
} }
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, 2 + i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB2 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("CONTRAST:\0", i, contrast_selected); lcd_write_string_page("CONTRAST:\0", i, contrast_selected);
lcd_write_kerning(2, contrast_selected); lcd_write_kerning(2, contrast_selected);
lcd_write_kerning(16, false); lcd_write_kerning(16, false);
@ -419,12 +388,7 @@ static void lcd_setup(void) {
} }
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(0, 4 + i);
lcd_write(0x00);
lcd_write(0x10);
lcd_write(0xB4 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("BACKLIGHT:\0", i, backlight_selected); lcd_write_string_page("BACKLIGHT:\0", i, backlight_selected);
lcd_write_kerning(2, backlight_selected); lcd_write_kerning(2, backlight_selected);
lcd_write_kerning(5, false); lcd_write_kerning(5, false);
@ -433,12 +397,7 @@ static void lcd_setup(void) {
} }
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD); lcd_move_cursor(33, 6 + i);
lcd_write(0x01);
lcd_write(0x12);
lcd_write(0xB6 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_string_page("BACK:\0", i, back_selected); lcd_write_string_page("BACK:\0", i, back_selected);
lcd_write_kerning(2, back_selected); lcd_write_kerning(2, back_selected);
} }