altos/telelco-v3.0: Add contrast setting

[fw/altos] / src / telelco-v3.0 / ao_lco_v3.c

diff --git a/src/telelco-v3.0/ao_lco_v3.c b/src/telelco-v3.0/ao_lco_v3.c
index 2bd3c5009e198fc971dd1a73e417de59b6d1f333..7c81a2e5babd3ddaf4c1f5c69c00c88469e0ed1b 100644 (file)
--- a/src/telelco-v3.0/ao_lco_v3.c
+++ b/src/telelco-v3.0/ao_lco_v3.c
@@ -45,6 +45,7 @@ static const struct ao_transform logo_transform = {
 
 #define BIG_FONT BitstreamVeraSans_Roman_58_font
 #define VOLT_FONT BitstreamVeraSans_Roman_58_font
+#define CONTRAST_FONT BitstreamVeraSans_Roman_58_font
 #define SMALL_FONT BitstreamVeraSans_Roman_12_font
 #define TINY_FONT BitstreamVeraSans_Roman_10_font
 #define LOGO_FONT BenguiatGothicStd_Bold_26_font
@@ -64,6 +65,11 @@ static const struct ao_transform logo_transform = {
 #define FOUND_Y                63
 #define FOUND_X                6
 #define FOUND_WIDTH    (WIDTH - 6)
+#define CONTRAST_LABEL_X       37
+#define CONTRAST_WIDTH 100
+#define CONTRAST_X     (WIDTH - CONTRAST_WIDTH) / 2
+#define CONTRAST_Y     20
+#define CONTRAST_HEIGHT        20
 
 #define AO_LCO_DRAG_RACE_START_TIME    AO_SEC_TO_TICKS(5)
 #define AO_LCO_DRAG_RACE_STOP_TIME     AO_SEC_TO_TICKS(2)
@@ -89,7 +95,7 @@ _ao_lco_show_pad(uint8_t pad)
 }
 
 static void
-_ao_lco_show_box(uint16_t box)
+_ao_lco_show_box(int16_t box)
 {
        char    str[7];
 
@@ -121,6 +127,16 @@ _ao_lco_batt_voltage(void)
        ao_st7565_update(&fb);
 }
 
+static void
+_ao_lco_show_contrast(void)
+{
+       uint8_t brightness = ao_st7565_get_brightness();
+       int16_t contrast = (int16_t) (brightness * CONTRAST_WIDTH / AO_LCO_MAX_CONTRAST);
+
+       ao_text(&fb, &SMALL_FONT, CONTRAST_LABEL_X, LABEL_Y, "Contrast", AO_BLACK, AO_COPY);
+       ao_rect(&fb, CONTRAST_X, CONTRAST_Y, contrast, CONTRAST_HEIGHT, AO_BLACK, AO_COPY);
+}
+
 void
 ao_lco_show(void)
 {
@@ -128,6 +144,8 @@ ao_lco_show(void)
        ao_rect(&fb, 0, 0, WIDTH, HEIGHT, AO_WHITE, AO_COPY);
        if (ao_lco_box == AO_LCO_LCO_VOLTAGE) {
                _ao_lco_batt_voltage();
+       } else if (ao_lco_box == AO_LCO_CONTRAST) {
+               _ao_lco_show_contrast();
        } else if (ao_lco_pad == AO_LCO_PAD_VOLTAGE) {
                _ao_lco_show_voltage(ao_pad_query.battery, "Pad battery");
        } else {
@@ -162,6 +180,18 @@ ao_lco_set_select(void)
 }
 
 
+void
+ao_lco_set_contrast(int16_t contrast)
+{
+       ao_st7565_set_brightness((uint8_t) contrast);
+}
+
+int16_t
+ao_lco_get_contrast(void)
+{
+       return (int16_t) ao_st7565_get_brightness();
+}
+
 static struct ao_task  ao_lco_drag_task;
 
 static void
@@ -277,15 +307,15 @@ ao_lco_search_start(void)
 }
 
 void
-ao_lco_search_box_check(uint16_t box)
+ao_lco_search_box_check(int16_t box)
 {
        if (box > 0)
-               ao_rect(&fb, SCAN_X, SCAN_Y, (int16_t) box, SCAN_HEIGHT, AO_BLACK, AO_COPY);
+               ao_rect(&fb, SCAN_X, SCAN_Y, box, SCAN_HEIGHT, AO_BLACK, AO_COPY);
        ao_st7565_update(&fb);
 }
 
 void
-ao_lco_search_box_present(uint16_t box)
+ao_lco_search_box_present(int16_t box)
 {
        char    str[8];
        if (found_x < FOUND_WIDTH)
@@ -301,20 +331,10 @@ ao_lco_search_done(void)
        ao_st7565_update(&fb);
 }
 
-static void
-ao_lco_batt_voltage(void)
-{
-       ao_rect(&fb, 0, 0, WIDTH, HEIGHT, AO_WHITE, AO_COPY);
-       _ao_lco_batt_voltage();
-       ao_st7565_update(&fb);
-       ao_delay(AO_MS_TO_TICKS(1000));
-}
-
 static void
 ao_lco_main(void)
 {
        ao_lco_display_test();
-       ao_lco_batt_voltage();
        ao_lco_search();
        ao_add_task(&ao_lco_input_task, ao_lco_input, "lco input");
        ao_add_task(&ao_lco_arm_warn_task, ao_lco_arm_warn, "lco arm warn");