fix several warnings

1 files changed, 3 insertions, 13 deletions

diff --git a/hw/bsp/board.c b/hw/bsp/board.c
index 41e6eb1b8..476ec6733 100644
--- a/hw/bsp/board.c
+++ b/hw/bsp/board.c
@@ -51,7 +51,7 @@ int sys_read(int fhdl, char *buf, size_t count) TU_ATTR_USED;
 
 int sys_write(int fhdl, const char *buf, size_t count) {
   (void) fhdl;
-  SEGGER_RTT_Write(0, (const char *) buf, (int) count);
+  SEGGER_RTT_Write(0, buf, (int) count);
   return (int) count;
 }
 
@@ -111,16 +111,6 @@ int sys_read (int fhdl, char *buf, size_t count) {
 
 #endif
 
-//int _close(int fhdl) {
-//  (void) fhdl;
-//  return 0;
-//}
-
-//int _fstat(int file, struct stat *st) {
-//  memset(st, 0, sizeof(*st));
-//  st->st_mode = S_IFCHR;
-//}
-
 // Clang use picolibc
 #if defined(__clang__)
 static int cl_putc(char c, FILE *f) {
@@ -147,8 +137,8 @@ TU_ATTR_WEAK size_t board_get_unique_id(uint8_t id[], size_t max_len) {
   (void) max_len;
   // fixed serial string is 01234567889ABCDEF
   uint32_t* uid32 = (uint32_t*) (uintptr_t)id;
-  uid32[0] = 0x67452301;
-  uid32[1] = 0xEFCDAB89;
+  uid32[0] = 0x67452301u;
+  uid32[1] = 0xEFCDAB89u;
   return 8;
 }