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HAL_ChibiOS: improved check for DTCM ram

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This commit is contained in:
Andrew Tridgell 2019-02-13 18:43:23 +11:00
parent e71514c136
commit f753669a58
1 changed files with 1 additions and 1 deletions
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2
libraries/AP_HAL_ChibiOS/hwdef/common/bouncebuffer.c
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@ -24,7 +24,7 @@
#if defined(STM32H7)
// always use a bouncebuffer on H7, to ensure alignment and padding
#define IS_DMA_SAFE(addr) false
#elif DTCM_RAM_SIZE_KB > 0
#elif defined(DTCM_RAM_SIZE_KB)
// on F7 and H7 we check we are in the DTCM region, and 16 bit aligned
#define IS_DMA_SAFE(addr) ((((uint32_t)(addr)) & ((0xFFFFFFFF & ~(DTCM_RAM_SIZE_KB*1024U-1)) | 1U)) == 0x20000000)
#else