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Merge pull request #413 from madcowswe/sam_fix_compiler_warning

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Fix compiler warning
This commit is contained in:
samuelsadok
2020-05-26 11:53:15 +02:00
committed by GitHub
parent 961b0e7180 7f82ef4618
commit b000d4889e
1 changed files with 16 additions and 2 deletions
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Firmware/Board/v3/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c
+16 -2
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@@ -56,6 +56,20 @@
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
// taken from https://github.com/ARMmbed/mbed-os/blob/master/cmsis/TARGET_CORTEX_M/cmsis_compiler.h
#ifndef __PACKED_STRUCT
#define __PACKED_STRUCT struct __attribute__((packed))
#endif
#ifndef __UNALIGNED_UINT32_WRITE
__PACKED_STRUCT T_UINT32_WRITE { uint32_t v; };
#define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val))
#endif
#ifndef __UNALIGNED_UINT32_READ
__PACKED_STRUCT T_UINT32_READ { uint32_t v; };
#define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v)
#endif
/** @addtogroup STM32F4xx_LL_USB_DRIVER
* @{
*/
@@ -883,7 +897,7 @@ HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uin
count32b = (len + 3U) / 4U;
for (i = 0U; i < count32b; i++, src += 4U)
{
USBx_DFIFO(ch_ep_num) = *((__packed uint32_t *)src);
USBx_DFIFO(ch_ep_num) = __UNALIGNED_UINT32_READ(src);
}
}
return HAL_OK;
@@ -909,7 +923,7 @@ void *USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len)
for ( i = 0U; i < count32b; i++, dest += 4U )
{
*(__packed uint32_t *)dest = USBx_DFIFO(0U);
__UNALIGNED_UINT32_WRITE(dest, USBx_DFIFO(0U));
}
return ((void *)dest);