Refactor ps2avrgb i2c ws2812 to core (#7183)

* Refactor ps2avrgb i2c ws2812 to core

* Refactor jj40 to use ws2812 i2c driver

* Refactor ps2avrgb template to use ws2812 i2c driver

* Add ws2812 stub files

* clang-format and driver config

* Add ws2812 driver docs

* Fix default config values

* Update tmk_core/protocol/vusb/main.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/avr/ws2812_i2c.c b/drivers/avr/ws2812_i2c.c
new file mode 100644
index 000000000..8525a026c
--- /dev/null
+++ b/drivers/avr/ws2812_i2c.c
@@ -0,0 +1,31 @@
+#include "ws2812.h"
+#include "i2c_master.h"
+
+#ifndef WS2812_ADDRESS
+#    define WS2812_ADDRESS 0xb0
+#endif
+
+#ifndef WS2812_TIMEOUT
+#    define WS2812_TIMEOUT 100
+#endif
+
+void ws2812_init(void) { i2c_init(); }
+
+// Setleds for standard RGB
+void ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
+    static bool s_init = false;
+    if (!s_init) {
+        ws2812_init();
+        s_init = true;
+    }
+
+    i2c_transmit(WS2812_ADDRESS, (uint8_t *)ledarray, sizeof(LED_TYPE) * leds, WS2812_TIMEOUT);
+}
+
+// Setleds for SK6812RGBW
+void ws2812_setleds_rgbw(LED_TYPE *ledarray, uint16_t leds) {
+// not supported - for now error out if its enabled
+#ifdef RGBW
+#    error "RGBW not supported"
+#endif
+}