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authorJoey Castillo <jose.castillo@gmail.com>2021-10-01 17:09:05 -0400
committerJoey Castillo <jose.castillo@gmail.com>2021-10-01 20:53:32 -0400
commit84c0fbfa2a68dc3c29b989947567d111e70a037b (patch)
treefa68060b8a32b0450d58b50b571f0700c8280354 /watch-library
parent15ae7ab84b13953ec309a5823ade6ddb60f6a68c (diff)
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slcd: add autonomous blinking and animation
Diffstat (limited to 'watch-library')
-rw-r--r--watch-library/config/hpl_slcd_config.h4
-rw-r--r--watch-library/watch/watch_slcd.c49
-rw-r--r--watch-library/watch/watch_slcd.h35
3 files changed, 86 insertions, 2 deletions
diff --git a/watch-library/config/hpl_slcd_config.h b/watch-library/config/hpl_slcd_config.h
index 5e3b2ca2..33b6a817 100644
--- a/watch-library/config/hpl_slcd_config.h
+++ b/watch-library/config/hpl_slcd_config.h
@@ -80,7 +80,7 @@
// <3=>128
// <id> slcd_arch_presc
#ifndef CONF_SLCD_PRESC
-#define CONF_SLCD_PRESC 2
+#define CONF_SLCD_PRESC 1
#endif
// <o> Clock Divider
@@ -95,7 +95,7 @@
// <7=>8
// <id> slcd_arch_ckdiv
#ifndef CONF_SLCD_CKDIV
-#define CONF_SLCD_CKDIV 3
+#define CONF_SLCD_CKDIV 5
#endif
/* TODO add frame frequency check */
diff --git a/watch-library/watch/watch_slcd.c b/watch-library/watch/watch_slcd.c
index ba9d12b2..58e1da7f 100644
--- a/watch-library/watch/watch_slcd.c
+++ b/watch-library/watch/watch_slcd.c
@@ -23,6 +23,7 @@
*/
#include "watch_slcd.h"
+#include "hpl_slcd_config.h"
//////////////////////////////////////////////////////////////////////////////////////////
// Segmented Display
@@ -149,6 +150,10 @@ static const uint32_t IndicatorSegments[6] = {
SLCD_SEGID(1, 10), // WATCH_INDICATOR_LAP
};
+void _sync_slcd() {
+ while (SLCD->SYNCBUSY.reg);
+}
+
void watch_enable_display() {
SEGMENT_LCD_0_init();
slcd_sync_enable(&SEGMENT_LCD_0);
@@ -218,3 +223,47 @@ void watch_clear_all_indicators() {
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(0, 16));
slcd_sync_seg_off(&SEGMENT_LCD_0, SLCD_SEGID(1, 10));
}
+
+void watch_start_character_blink(char character, uint32_t duration) {
+ SLCD->CTRLD.bit.FC0EN = 0;
+ _sync_slcd();
+
+ if (duration <= SLCD_FC_BYPASS_MAX_MS) {
+ SLCD->FC0.reg = SLCD_FC0_PB | ((duration / (1000 / SLCD_FRAME_FREQUENCY)) - 1);
+ } else {
+ SLCD->FC0.reg = (((duration / (1000 / SLCD_FRAME_FREQUENCY)) / 8 - 1));
+ }
+ SLCD->CTRLD.bit.FC0EN = 1;
+
+ watch_display_character(character, 7);
+ watch_clear_pixel(2, 10); // clear segment B of position 7 since it can't blink
+
+ SLCD->CTRLD.bit.BLINK = 0;
+ SLCD->CTRLA.bit.ENABLE = 0;
+ _sync_slcd();
+
+ SLCD->BCFG.bit.BSS0 = 0x07;
+ SLCD->BCFG.bit.BSS1 = 0x07;
+
+ SLCD->CTRLD.bit.BLINK = 1;
+ _sync_slcd();
+ SLCD->CTRLA.bit.ENABLE = 1;
+ _sync_slcd();
+}
+
+void watch_stop_blink() {
+ SLCD->CTRLD.bit.FC0EN = 0;
+ SLCD->CTRLD.bit.BLINK = 0;
+}
+
+void watch_start_tick_animation(uint32_t duration) {
+ watch_display_character(' ', 8);
+ const uint32_t segs[] = { SLCD_SEGID(0, 2)};
+ slcd_sync_start_animation(&SEGMENT_LCD_0, segs, 1, duration);
+}
+
+void watch_stop_tick_animation() {
+ const uint32_t segs[] = { SLCD_SEGID(0, 2)};
+ slcd_sync_stop_animation(&SEGMENT_LCD_0, segs, 1);
+ watch_display_character(' ', 8);
+}
diff --git a/watch-library/watch/watch_slcd.h b/watch-library/watch/watch_slcd.h
index 4f5a617c..4e710936 100644
--- a/watch-library/watch/watch_slcd.h
+++ b/watch-library/watch/watch_slcd.h
@@ -103,5 +103,40 @@ void watch_clear_indicator(WatchIndicatorSegment indicator);
*/
void watch_clear_all_indicators();
+/** @brief Blinks a single character in position 7. Does not affect other positions.
+ * @details Six of the seven segments in position 7 (and only position 7) are capable of autonomous
+ * blinking. This blinking does not require any CPU resources, and will continue even in
+ * standby and shallow sleep mode (if the LCD remains on).
+ * @param character The character you wish to blink.
+ * @param duration The duration of the on/off cycle in milliseconds, from 50 to ~4250 ms.
+ * @note Segment B of position 7 cannot blink autonomously, so not all characters will work well.
+ * Supported characters for blinking:
+ * * Punctuation: underscore, apostrophe, comma, hyphen, equals sign, tilde (top segment only)
+ * * Numbers: 5, 6, ampersand (lowercase 7)
+ * * Letters: b, C, c, E, F, h, i, L, l, n, o, S, t
+ */
+void watch_start_character_blink(char character, uint32_t duration);
+
+/** @brief Stops and clears all blinking segments.
+ * @details This will stop all blinking in position 7, and clear all segments in that digit.
+ */
+void watch_stop_blink();
+
+/** @brief Begins a two-segment "tick-tock" animation in position 8.
+ * @details Six of the seven segments in position 8 (and only position 8) are capable of autonomous
+ * animation. This animation is very basic, and consists of moving a bit pattern forward
+ * or backward in a shift register whose positions map to fixed segments on the LCD. Given
+ * this constraint, an animation across all six segments does not make sense; so the watch
+ * library offers only a simple "tick/tock" in segments D and E. This animation does not
+ * require any CPU resources, and will continue even in standby and shallow sleep mode
+ * (if the LCD remains on).
+ * @param duration The duration of each frame in ms. 500 milliseconds produces a classic tick/tock.
+ */
+void watch_start_tick_animation(uint32_t duration);
+
+/** @brief Stops the tick/tock animation and clears all animating segments.
+ * @details This will stop the animation and clear all segments in position 8.
+ */
+void watch_stop_tick_animation();
/// @}
#endif