renumbered neopixel to make more sense in decadic

units/1wire/unit_1wire.c

@@ -93,8 +93,6 @@ enum PinCmd_ {
     CMD_READ = 11,   // write multiple bytes using a ROM address
 
     CMD_POLL_FOR_1 = 20,
-
-    CMD_TEST = 100,
 };
 
 

units/neopixel/unit_neopixel.c

@@ -11,11 +11,11 @@
 enum PinCmd_ {
     CMD_CLEAR = 0,
     CMD_LOAD = 1,
-    CMD_LOAD_ZRGB = 0x08, // 0,0 - trail zero, bgr
-    CMD_LOAD_ZBGR = 0x09, // 0,1
-    CMD_LOAD_RGBZ = 0x0A, // 1,0
-    CMD_LOAD_BGRZ = 0x0B, // 1,1
-    CMD_GET_LEN = 0x10,
+    CMD_LOAD_ZRGB = 4, // 0,0 - trail zero, bgr
+    CMD_LOAD_ZBGR = 5, // 0,1
+    CMD_LOAD_RGBZ = 6, // 1,0
+    CMD_LOAD_BGRZ = 7, // 1,1
+    CMD_GET_LEN = 10,
 };
 
 /** Handle a request message */

units/usart/unit_usart.c

@@ -102,13 +102,19 @@ static error_t UUSART_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command,
     uint32_t len;
     const uint8_t *pld;
     switch (command) {
-        /** Write bytes to the USART. Payload consists of the data to send. Waits for completion. */
+        /**
+         * Write bytes to the USART, without waiting for completion.
+         * May wait until there is space in the DMA buffer.
+         */
         case CMD_WRITE:
             pld = pp_tail(pp, &len);
             TRY(UU_USART_Write(unit, pld, len));
             return E_SUCCESS;
 
-        /** Write bytes to the USART, without waiting for completion. */
+        /**
+         * Write bytes to the USART. Payload consists of the data to send.
+         * Waits for completion.
+         */
         case CMD_WRITE_SYNC:
             pld = pp_tail(pp, &len);
             TRY(UU_USART_WriteSync(unit, pld, len));