move _rng_save earlier, drop some register debugging...

main.c

@@ -191,22 +191,14 @@ main(void)
 
 	BoardInitMcu();
 
+	strobe_rng_save();
+
 	/* turn on LED */
 	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_SET);
 
 #if 1
 	wait_for_vcp();
 
-	usb_printf("rng_save:\r\n");
-	hexdump((const uint8_t *)rng_save, sizeof rng_save);
-	usb_printf("\r\n");
-
-	strobe_rng_save();
-
-	usb_printf("rng_save:\r\n");
-	hexdump((const uint8_t *)rng_save, sizeof rng_save);
-	usb_printf("\r\n");
-
 	usb_printf("starting...\r\n");
 
 	bare_strobe_randomize(bytes, sizeof bytes);
@@ -216,17 +208,6 @@ main(void)
 
 	Radio.Init(&revents);
 
-	usb_printf("foo\r\n");
-	Radio.ReadBuffer(0x00, bytes, sizeof bytes);
-	usb_printf("regs 0x00: ");
-	hexdump(bytes, sizeof bytes);
-	usb_printf("\r\n");
-
-	Radio.ReadBuffer(0x40, bytes, sizeof bytes);
-	usb_printf("regs 0x40: ");
-	hexdump(bytes, sizeof bytes);
-	usb_printf("\r\n");
-
 	uint32_t v;
 
 	v = Radio.Random();