simplify lcd display logic, one screen with 10 positions

This commit is contained in:
Joey Castillo 2021-04-28 08:28:47 -04:00
parent 6833b44f50
commit a17d64bd11
3 changed files with 37 additions and 55 deletions

View file

@ -43,10 +43,12 @@ int main(void)
last = date_time.time.sec;
if (last % 2 == 0) {
watch_set_led_color(50, 0);
watch_display_string(&watch, watch.main_display, " Hello");
watch_display_string(&watch, "0123456789", 0);
} else {
watch_set_led_color(0, 50);
watch_display_string(&watch, watch.main_display, " there");
watch_display_string(&watch, "01", 0);
watch_display_string(&watch, "23", 2);
watch_display_string(&watch, "456789", 4);
}
}
}

View file

@ -116,7 +116,11 @@ const uint8_t Character_Set[] =
void watch_enable_display(Watch *watch) {
if (watch->display_enabled) return;
static const uint64_t main_segmap[] = {
static const uint64_t segmap[] = {
0x4e4f0e8e8f8d4d0d, // Position 8
0xc8c4c4c8b4b4b0b, // Position 9
0xc049c00a49890949, // Position 6
0xc048088886874707, // Position 7
0xc053921252139352, // Position 0
0xc054511415559594, // Position 1
0xc057965616179716, // Position 2
@ -124,65 +128,48 @@ void watch_enable_display(Watch *watch) {
0xc043420203048382, // Position 4
0xc045440506468584, // Position 5
};
watch->main_display.num_chars = 6;
watch->main_display.chars = malloc(6);
watch->main_display.segment_map = &main_segmap[0];
static const uint64_t day_segmap[] = {
0xc049c00a49890949, // Position 6
0xc048088886874707, // Position 7
};
watch->day_display.num_chars = 2;
watch->day_display.chars = malloc(2);
watch->day_display.segment_map = &day_segmap[0];
static const uint64_t date_segmap[] = {
0x4e4f0e8e8f8d4d0d, // Position 8
0xc8c4c4c8b4b4b0b, // Position 9
};
watch->date_display.num_chars = 2;
watch->date_display.chars = malloc(2);
watch->date_display.segment_map = &date_segmap[0];
watch->num_chars = 10;
watch->segment_map = &segmap[0];
SEGMENT_LCD_0_init();
slcd_sync_enable(&SEGMENT_LCD_0);
watch->display_enabled = true;
}
void watch_display_pixel(Watch *watch, WatchDisplay display, uint8_t com, uint8_t seg) {
void watch_display_pixel(Watch *watch, uint8_t com, uint8_t seg) {
slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
void watch_clear_pixel(Watch *watch, WatchDisplay display, uint8_t com, uint8_t seg) {
void watch_clear_pixel(Watch *watch, uint8_t com, uint8_t seg) {
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
void watch_display_character(Watch *watch, WatchDisplay display, uint8_t character, uint8_t position) {
uint64_t segmap = display.segment_map[position];
uint64_t segdata = Character_Set[character - 0x20];
void watch_display_character(Watch *watch, uint8_t character, uint8_t position) {
uint64_t segmap = watch->segment_map[position];
uint64_t segdata = Character_Set[character - 0x20];
for (int i = 0; i < 8; i++) {
uint8_t com = (segmap & 0xFF) >> 6;
if (com > 2) {
for (int i = 0; i < 8; i++) {
uint8_t com = (segmap & 0xFF) >> 6;
if (com > 2) {
// COM3 means no segment exists; skip it.
segmap = segmap >> 8;
segdata = segdata >> 1;
continue;
}
uint8_t seg = segmap & 0x3F;
segmap = segmap >> 8;
segdata = segdata >> 1;
continue;
}
uint8_t seg = segmap & 0x3F;
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
if (segdata & 1) slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
segmap = segmap >> 8;
segdata = segdata >> 1;
}
if (segdata & 1) slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
segmap = segmap >> 8;
segdata = segdata >> 1;
}
}
void watch_display_string(Watch *watch, WatchDisplay display, char *string) {
void watch_display_string(Watch *watch, char *string, uint8_t position) {
size_t i = 0;
while(string[i] != 0) {
watch_display_character(watch, display, string[i], i);
watch_display_character(watch, string[i], position + i);
i++;
if (i >= display.num_chars) break;
if (i >= watch->num_chars) break;
}
}

View file

@ -11,17 +11,7 @@
#include <stdint.h>
#include "hpl_calendar.h"
typedef struct WatchDisplay {
uint8_t num_chars;
uint8_t* chars;
const uint64_t* segment_map;
} WatchDisplay;
typedef struct Watch {
struct WatchDisplay main_display; // 6 chars, main line.
struct WatchDisplay day_display; // 2 chars, alphanumeric-ish. top center.
struct WatchDisplay date_display; // 2 chars, only supports numbers 0-39. top right.
bool display_enabled;
bool led_enabled;
bool buzzer_enabled;
@ -30,13 +20,16 @@ typedef struct Watch {
bool i2c_enabled;
bool spi_enabled;
bool eic_enabled;
uint8_t num_chars;
const uint64_t* segment_map;
} Watch;
void watch_init(Watch *watch);
void watch_enable_display(Watch *watch);
void watch_display_pixel(Watch *watch, WatchDisplay display, uint8_t com, uint8_t seg);
void watch_display_string(Watch *watch, WatchDisplay display, char *string);
void watch_display_pixel(Watch *watch, uint8_t com, uint8_t seg);
void watch_display_string(Watch *watch, char *string, uint8_t position);
void watch_enable_led(Watch *watch);
void watch_disable_led(Watch *watch);