altos: fix functions calling pollchar to use 'int' to hold the value

[fw/altos] / src / drivers / ao_btm.c

diff --git a/src/drivers/ao_btm.c b/src/drivers/ao_btm.c
index f381604796dd3d390aae7469fce3df611782e49a..c862200a8fe01232f199777abe434d2ab4160b49 100644 (file)
--- a/src/drivers/ao_btm.c
+++ b/src/drivers/ao_btm.c
@@ -120,7 +120,7 @@ uint8_t
 ao_btm_get_line(void)
 {
        uint8_t ao_btm_reply_len = 0;
-       char c;
+       int c;
 
        for (;;) {