From 5ce1359ee5f0fe594f97c68ec2795ef20f59817f Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Wed, 2 Jun 2021 12:11:39 +0200
Subject: [PATCH] add 'U' to unsigned constants

---
 3rd-party/rijndael/rijndael.c | 6 +++---
 src/ble/le_device_db_tlv.c    | 2 +-
 src/ble/sm.c                  | 4 ++--
 src/hci.c                     | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/3rd-party/rijndael/rijndael.c b/3rd-party/rijndael/rijndael.c
index 4b774cfbf..8739571b4 100644
--- a/3rd-party/rijndael/rijndael.c
+++ b/3rd-party/rijndael/rijndael.c
@@ -694,9 +694,9 @@ static const u32 Td4[256] =
 
 static const u32 rcon[] =
 {
-  0x01000000, 0x02000000, 0x04000000, 0x08000000,
-  0x10000000, 0x20000000, 0x40000000, 0x80000000,
-  0x1B000000, 0x36000000,
+  0x01000000U, 0x02000000U, 0x04000000U, 0x08000000U,
+  0x10000000U, 0x20000000U, 0x40000000U, 0x80000000U,
+  0x1B000000U, 0x36000000U,
   /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
 };
 
diff --git a/src/ble/le_device_db_tlv.c b/src/ble/le_device_db_tlv.c
index 8f8ae2c62..029783b68 100644
--- a/src/ble/le_device_db_tlv.c
+++ b/src/ble/le_device_db_tlv.c
@@ -199,7 +199,7 @@ void le_device_db_remove(int index){
 int le_device_db_add(int addr_type, bd_addr_t addr, sm_key_t irk){
 
     uint32_t highest_seq_nr = 0;
-    uint32_t lowest_seq_nr  = 0xFFFFFFFF;
+    uint32_t lowest_seq_nr  = 0xFFFFFFFFU;
     int index_for_lowest_seq_nr = -1;
     int index_for_addr  = -1;
     int index_for_empty = -1;
diff --git a/src/ble/sm.c b/src/ble/sm.c
index 1582bc83e..fe10507fe 100644
--- a/src/ble/sm.c
+++ b/src/ble/sm.c
@@ -3335,7 +3335,7 @@ static void sm_handle_random_result_ph2_tk(void * arg){
 
     sm_reset_tk();
     uint32_t tk;
-    if (sm_fixed_passkey_in_display_role == 0xffffffff){
+    if (sm_fixed_passkey_in_display_role == 0xffffffffU){
         // map random to 0-999999 without speding much cycles on a modulus operation
         tk = little_endian_read_32(sm_random_data,0);
         tk = tk & 0xfffff;  // 1048575
@@ -4410,7 +4410,7 @@ void sm_init(void){
     sm_max_encryption_key_size = 16;
     sm_min_encryption_key_size = 7;
 
-    sm_fixed_passkey_in_display_role = 0xffffffff;
+    sm_fixed_passkey_in_display_role = 0xffffffffU;
     sm_reconstruct_ltk_without_le_device_db_entry = true;
 
 #ifdef USE_CMAC_ENGINE
diff --git a/src/hci.c b/src/hci.c
index 718c8f1a9..447457fc6 100644
--- a/src/hci.c
+++ b/src/hci.c
@@ -1417,10 +1417,10 @@ static void hci_initializing_run(void){
         case HCI_INIT_SET_EVENT_MASK:
             hci_stack->substate = HCI_INIT_W4_SET_EVENT_MASK;
             if (hci_le_supported()){
-                hci_send_cmd(&hci_set_event_mask,0xffffffff, 0x3FFFFFFF);
+                hci_send_cmd(&hci_set_event_mask,0xFFFFFFFFU, 0x3FFFFFFFU);
             } else {
                 // Kensington Bluetooth 2.1 USB Dongle (CSR Chipset) returns an error for 0xffff... 
-                hci_send_cmd(&hci_set_event_mask,0xffffffff, 0x1FFFFFFF);
+                hci_send_cmd(&hci_set_event_mask,0xFFFFFFFFU, 0x1FFFFFFFU);
             }
             break;