initial WIP

lots of code copied over, things filled in to hopefully get the LED matrix lighting up. untested.
2026-05-08 11:54:12 -07:00
commit d95af918fa
77 changed files with 24395 additions and 0 deletions
--- a/firmware/app/led/matrix.c
+++ b/firmware/app/led/matrix.c
@@ -0,0 +1,128 @@
+/*
+ *
+ */
+
+
+#include "ch32x035_conf.h"
+#include <string.h>
+
+#include "matrix.h"
+#include "driver/aw20xxx.h"
+// #include "user_config.h"
+
+
+
+
+#define AW20X_DIM           31  // initial global current setting
+
+#define AW20X_COLS          6
+#define AW20X_ROWS          12
+#define AW20X_FADE_COUNT    (AW20X_ROWS * AW20X_COLS)
+
+#define HWEN_PORT           GPIOB
+#define HWEN_PIN            GPIO_Pin_7
+
+
+AW20x awled;
+static uint8_t awled_fade[AW20X_FADE_COUNT];
+
+static uint8_t led_matrix_needs_update = 0;
+
+uint16_t led_map_size;
+const LedMap led_map = {
+    // map is 1-based to match part numbers on the board
+    { // ribbon
+        1, 25, 13, 49,
+        37, 14,
+        28, 2, 38,
+        50, 3,
+        27, 15,
+        39, 51,
+        4, 16,
+        28, 40,
+        52, 5,
+        17, 29,
+        41, 53,
+        6, 18,
+        30, 42,
+        54,
+        0, 0, 0, 0, 0, 0,
+        7, 0,
+        19, 0,
+        31, 0,
+        43, 0,
+        55, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,
+        8, 20, 32,
+        0, 0
+    },
+    { // "A"
+        9,  21, 33, 0,  0,  0,  45, 57, 10,
+        22,
+        34, 46, 58, 11, 23, 35, 47, 59, 12
+    },
+    { // "//" left one
+        61, 62, 63, 64, 44
+    },
+    { // "//" right one
+        60, 48, 36, 24, 56
+    }
+};
+
+LedMap led_set;
+
+
+void matrix_init()
+{
+    volatile uint32_t x;
+
+    // make sure the hardware pin is on before calling.
+    HWEN_PORT->BSHR = HWEN_PIN;
+
+    // wait a little while to ensure controller is awake
+    x = 131072;
+    while (x--);
+
+    // clear fade
+    memset(awled_fade, 0x00, sizeof(awled_fade));
+
+    // set up RGBLED chip
+    awled.fade = awled_fade;
+    aw20x_init(&awled, AW20X_ADDR_VDD << 1, AW20X_COLS, AW20X_ROWS, AW20X_IMAX_20MA);
+
+    aw20x_set_dim_global(&awled, AW20X_DIM);
+    aw20x_set_fade(&awled);
+    aw20x_led_enable_range(&awled, 0, (AW20X_COLS * AW20X_MAX_ROWS) - 1);
+
+    led_map_size = sizeof(led_map.ribbon) + sizeof(led_map.a) + sizeof(led_map.ii_lf) + sizeof(led_map.ii_rt);
+}
+
+void matrix_flag_update()
+{
+    led_matrix_needs_update = 1;
+}
+
+void matrix_send()
+{
+    int8_t i;
+    uint8_t *fade = awled_fade;
+    uint8_t *map = (uint8_t *)&led_map;
+    uint8_t *set = (uint8_t *)&led_set;
+
+    if (led_matrix_needs_update) {
+        led_matrix_needs_update = 0;
+
+        // remap data for sending
+        for (i = 0; i < led_map_size; i++) {
+            if ((*map) & (*map <= AW20X_FADE_COUNT)) {
+                fade[*map - 1] = *set;
+            }
+            map++;
+            set++;
+        }
+
+        aw20x_set_fade(&awled);
+    }
+}