From ca2d9002fcbebcf37f48944dd8d67e90c186ce4f Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Sun, 13 Oct 2019 05:21:28 +0200
Subject: fixed msgq bug

---
 code/fe310/eos/i2s.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'code/fe310/eos/i2s.c')

diff --git a/code/fe310/eos/i2s.c b/code/fe310/eos/i2s.c
index 78bc2e6..cb25493 100644
--- a/code/fe310/eos/i2s.c
+++ b/code/fe310/eos/i2s.c
@@ -34,7 +34,7 @@ static void _abuf_init(EOSABuf *buf, uint8_t *array, uint16_t size) {
 }
 
 static int _abuf_push(EOSABuf *buf, uint8_t sample) {
-    if (buf->idx_w - buf->idx_r == buf->size) return EOS_ERR_Q_FULL;
+    if ((uint16_t)(buf->idx_w - buf->idx_r) == buf->size) return EOS_ERR_Q_FULL;
 
     buf->array[EOS_ABUF_IDX_MASK(buf->idx_w, buf->size)] = sample;
     buf->idx_w++;
@@ -66,7 +66,7 @@ static uint16_t _abuf_write(EOSABuf *buf, uint8_t *sample, uint16_t ssize) {
     uint16_t i;
 
     for (i=0; i<ssize; i++) {
-        if (buf->idx_w - buf->idx_r == buf->size) break;
+        if ((uint16_t)(buf->idx_w - buf->idx_r) == buf->size) break;
         buf->array[EOS_ABUF_IDX_MASK(buf->idx_w, buf->size)] = sample[i];
         buf->idx_w++;
     }
-- 
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