From 5812d826519c4bb5b62ee47a7f43258a099fef3a Mon Sep 17 00:00:00 2001 From: Joerg Hoppe Date: Thu, 19 Sep 2019 12:56:52 +0200 Subject: [PATCH] increased max DMA chunk size from 512 to 4K (test, and RAM was free) --- 10.01_base/2_src/shared/mailbox.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/10.01_base/2_src/shared/mailbox.h b/10.01_base/2_src/shared/mailbox.h index 54511ac..f19e7df 100644 --- a/10.01_base/2_src/shared/mailbox.h +++ b/10.01_base/2_src/shared/mailbox.h @@ -79,7 +79,7 @@ #define CPU_PRIORITY_LEVEL_FETCHING 0xff // data for a requested DMA operation -#define PRU_MAX_DMA_WORDCOUNT 512 +#define PRU_MAX_DMA_WORDCOUNT (8*512) #include "ddrmem.h"