docs: silent wrong Doxygen warning

Silent the following warning (probably due to a Doxygen bug):

  bertos/cpu/arm/drv/eth_at91.c:89: warning: documented function `static uint8_t rx_buf' was not declared or defined.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4479 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/arm/drv/eth_at91.c b/bertos/cpu/arm/drv/eth_at91.c
index fbf3542b1eb35a99f65e1d727975dadb46103592..d20d57952c616fedbd990a9acec307bce0074e34 100644 (file)
--- a/bertos/cpu/arm/drv/eth_at91.c
+++ b/bertos/cpu/arm/drv/eth_at91.c
@@ -71,6 +71,8 @@
  */
 uint8_t mac_addr[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66 };
 
+/* Silent Doxygen bug... */
+#ifndef __doxygen__
 static volatile BufDescriptor tx_buf_tab[EMAC_TX_DESCRIPTORS];
 /*
  * NOTE: this buffer should be declared as 'volatile' because it is read by the
@@ -88,6 +90,7 @@ static volatile BufDescriptor rx_buf_tab[EMAC_RX_DESCRIPTORS];
  */
 static uint8_t rx_buf[EMAC_RX_BUFFERS * EMAC_RX_BUFSIZ] ALIGNED(8);
 static int rx_buf_idx = 0;
+#endif
 
 static Event recv_wait, send_wait;