From a17d64bd1117929451495f141c63c215ba6cb4aa Mon Sep 17 00:00:00 2001 From: Joey Castillo Date: Wed, 28 Apr 2021 08:28:47 -0400 Subject: [PATCH] simplify lcd display logic, one screen with 10 positions --- Smol Watch Project/My Project/main.c | 6 +- .../My Project/watch-library/watch.c | 69 ++++++++----------- .../My Project/watch-library/watch.h | 17 ++--- 3 files changed, 37 insertions(+), 55 deletions(-) diff --git a/Smol Watch Project/My Project/main.c b/Smol Watch Project/My Project/main.c index ede6d12..8289731 100644 --- a/Smol Watch Project/My Project/main.c +++ b/Smol Watch Project/My Project/main.c @@ -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); } } } diff --git a/Smol Watch Project/My Project/watch-library/watch.c b/Smol Watch Project/My Project/watch-library/watch.c index 7dbfed4..ad4e763 100644 --- a/Smol Watch Project/My Project/watch-library/watch.c +++ b/Smol Watch Project/My Project/watch-library/watch.c @@ -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]; - - for (int i = 0; i < 8; i++) { - uint8_t com = (segmap & 0xFF) >> 6; - if (com > 2) { +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) { // 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; } } diff --git a/Smol Watch Project/My Project/watch-library/watch.h b/Smol Watch Project/My Project/watch-library/watch.h index 428cb15..cab19be 100644 --- a/Smol Watch Project/My Project/watch-library/watch.h +++ b/Smol Watch Project/My Project/watch-library/watch.h @@ -11,17 +11,7 @@ #include #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);