From a9958ee4fa422a423306e3eada0c953214a2f941 Mon Sep 17 00:00:00 2001 From: FallenSigh Date: Thu, 25 Jun 2026 04:08:18 +0800 Subject: [PATCH] BURST_LEN 47->63 (64 beats) --- sdk/software/examples/asm/dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sdk/software/examples/asm/dma.c b/sdk/software/examples/asm/dma.c index 29d7329..52fcc5e 100644 --- a/sdk/software/examples/asm/dma.c +++ b/sdk/software/examples/asm/dma.c @@ -18,7 +18,7 @@ void dma_start_transfer(int ch_id, uint32_t src, uint32_t dst, uint32_t bytes, u // 置 Burst 属性并触发传输 // AXI SIZE: 2 (代表 2^2 = 4 Bytes，与 32-bit 数据线匹配) // AXI LEN: 15 (代表 16 beats 突发传输，最高效) - uint32_t ctrl_val = CTRL_BURST_SIZE(2) | CTRL_BURST_LEN(47); + uint32_t ctrl_val = CTRL_BURST_SIZE(2) | CTRL_BURST_LEN(63); // 写入 CTRL 并拉高 Bit 0 (Start) ch->CTRL = ctrl_val | CTRL_START_BIT;