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AP_HAL_ChibiOS: add echo safe debug flag bouncebuffer

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Siddharth Purohit 2021-06-02 03:57:06 +05:30 committed by Andrew Tridgell
parent 3b3cc0b194
commit 263fbbbdb0
1 changed files with 6 additions and 0 deletions
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6
libraries/AP_HAL_ChibiOS/hwdef/common/bouncebuffer.c
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@ -38,6 +38,9 @@
#define IS_DMA_SAFE(addr) ((((uint32_t)(addr)) & 0xF0000001) == 0x20000000)
#endif
// Enable when trying to check if you are not just listening yourself
#define ENABLE_ECHO_SAFE 0
/*
initialise a bouncebuffer
*/
@ -79,6 +82,9 @@ bool bouncebuffer_setup_read(struct bouncebuffer_t *bouncebuffer, uint8_t **buf,
bouncebuffer->size = size;
}
*buf = bouncebuffer->dma_buf;
#if ENABLE_ECHO_SAFE
memset(bouncebuffer->dma_buf, 0xBB, bouncebuffer->size);
#endif
#if defined(STM32H7)
osalDbgAssert((((uint32_t)*buf)&31) == 0, "bouncebuffer read align");
stm32_cacheBufferInvalidate(*buf, (size+31)&~31);