fix some Wconversion warnings

2 files changed, 7 insertions, 7 deletions

diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
index 349229c8d..2840c6d5e 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
@@ -131,7 +131,7 @@ static uint8_t sie_read (uint8_t cmd_code)
 //--------------------------------------------------------------------+
 static inline uint8_t ep_addr2idx(uint8_t ep_addr)
 {
-  return 2*(ep_addr & 0x0F) + ((ep_addr & TUSB_DIR_IN_MASK) ? 1 : 0);
+  return (uint8_t)(2*(ep_addr & 0x0F) + ((ep_addr & TUSB_DIR_IN_MASK) ? 1 : 0));
 }
 
 static void set_ep_size(uint8_t ep_id, uint16_t max_packet_size)
@@ -243,7 +243,7 @@ void dcd_sof_enable(uint8_t rhport, bool en)
 //--------------------------------------------------------------------+
 static inline uint8_t byte2dword(uint8_t bytes)
 {
-  return (bytes + 3) / 4; // length in dwords
+  return (uint8_t)((bytes + 3) / 4); // length in dwords
 }
 
 static void control_ep_write(void const * buffer, uint8_t len)
diff --git a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
index 5f4a441dc..8adf0f840 100644
--- a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
+++ b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
@@ -243,7 +243,7 @@ TU_ATTR_ALWAYS_INLINE static inline uint16_t get_buf_offset(void const * buffer)
 }
 
 TU_ATTR_ALWAYS_INLINE static inline uint8_t ep_addr2id(uint8_t ep_addr) {
-  return 2*(ep_addr & 0x0F) + ((ep_addr & TUSB_DIR_IN_MASK) ? 1 : 0);
+  return (uint8_t)(2*(ep_addr & 0x0F) + ((ep_addr & TUSB_DIR_IN_MASK) ? 1 : 0));
 }
 
 TU_ATTR_ALWAYS_INLINE static inline bool ep_is_iso(ep_cmd_sts_t* ep_cs, bool is_highspeed) {
@@ -539,8 +539,8 @@ static void process_xfer_isr(uint8_t rhport, uint32_t int_status) {
       uint16_t buf_nbytes;
 
       if ( rhport_is_highspeed(rhport) ) {
-        buf_offset = ep_cs->buffer_hs.offset;
-        buf_nbytes = ep_cs->buffer_hs.nbytes;
+        buf_offset = (uint16_t)ep_cs->buffer_hs.offset;
+        buf_nbytes = (uint16_t)ep_cs->buffer_hs.nbytes;
 
         #if TU_CHECK_MCU(OPT_MCU_LPC54)
         // LPC54 Errata USB.2: In USB high-speed device mode, the NBytes field is not correct after BULK IN transfer
@@ -550,8 +550,8 @@ static void process_xfer_isr(uint8_t rhport, uint32_t int_status) {
         }
         #endif
       } else {
-        buf_offset = ep_cs->buffer_fs.offset;
-        buf_nbytes = ep_cs->buffer_fs.nbytes;
+        buf_offset = (uint16_t)ep_cs->buffer_fs.offset;
+        buf_nbytes = (uint16_t)ep_cs->buffer_fs.nbytes;
       }
 
       xfer_dma->xferred_bytes += xfer_dma->nbytes - buf_nbytes;