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Better solution to silence warning on GCC 10

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Imported from opentx/opentx#8605
This commit is contained in:
3djc
2021-07-08 18:16:49 +02:00
committed by Raphael Coeffic
parent 7f472ff5e8
commit 88ef710ecb
1 changed files with 15 additions and 2 deletions
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radio/src/thirdparty/STM32_USB-Host-Device_Lib_V2.2.0/Libraries/STM32_USB_OTG_Driver/src/usb_core.c
Vendored
+15 -2
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@@ -29,6 +29,19 @@
#include "usb_core.h"
#include "usb_bsp.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 USB_OTG_DRIVER
* @{
@@ -180,7 +193,7 @@ USB_OTG_STS USB_OTG_WritePacket(USB_OTG_CORE_HANDLE *pdev,
fifo = pdev->regs.DFIFO[ch_ep_num];
for (i = 0; i < count32b; i++)
{
USB_OTG_WRITE_REG32( fifo, *((uint32_t *)src) );
USB_OTG_WRITE_REG32( fifo, __UNALIGNED_UINT32_READ(src) );
src+=4;
}
}
@@ -206,7 +219,7 @@ void *USB_OTG_ReadPacket(USB_OTG_CORE_HANDLE *pdev,
for( i = 0; i < count32b; i++)
{
*(uint32_t *)dest = USB_OTG_READ_REG32(fifo);
__UNALIGNED_UINT32_WRITE(dest, USB_OTG_READ_REG32(fifo));
dest += 4 ;
}
return ((void *)dest);