altos/arm: Align data so that gcc 5.4 doesn't do byte-accesses. Add -Wcast-align

[fw/altos] / src / stm / ao_usb_stm.c

diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index f2b8ea94cfe0aa4fb10ee23c420f4c12f581c52c..9d72844e0c1a6710c06700f9725c13aae9d622a7 100644 (file)
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -139,7 +139,7 @@ static inline uint32_t set_toggle(uint32_t  current_value,
 
 static inline uint32_t *ao_usb_packet_buffer_addr(uint16_t sram_addr)
 {
-       return (uint32_t *) (stm_usb_sram + 2 * sram_addr);
+       return (uint32_t *) (((void *) ((uint8_t *) stm_usb_sram + 2 * sram_addr)));
 }
 
 static inline uint32_t ao_usb_epr_stat_rx(uint32_t epr) {