ao_flash_task: Add casts to reduce -Wconversion warnings

No bugs identified

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/product/ao_flash_task.c b/src/product/ao_flash_task.c
index bbd5675a1528ff7708bd38b8abc7d5380c47fbe6..8ae9b2e5d3fe4b26a4680ee519cbee4911ec02d4 100644 (file)
--- a/src/product/ao_flash_task.c
+++ b/src/product/ao_flash_task.c
@@ -49,7 +49,7 @@ ao_application(void)
 static uint32_t
 ao_get_hex32(void)
 {
-       int8_t  n;
+       int     n;
        uint32_t v = 0;
 
        for (;;) {
@@ -66,7 +66,7 @@ ao_get_hex32(void)
                        n = n - ('A' - 10);
                else
                        break;
-               v = (v << 4) | n;
+               v = (v << 4) | (uint8_t) n;
                n = ao_usb_getchar();
        }
        return v;