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memory to memory DMA test

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display BaS version and compile date/time
This commit is contained in:
Markus Fröschle
2013-07-31 20:57:55 +00:00
parent c4014e8c0f
commit 20b62d63b2
3 changed files with 56 additions and 21 deletions
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34
sources/spidma.c
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@@ -19,7 +19,9 @@ void *dma_memcpy(void *dst, void *src, size_t n)
int32_t start = MCF_SLT_SCNT(0);
int32_t end;
ret = MCD_startDma(0, src, 1, dst, 1, n, 1, DMA_ALWAYS, 0, MCD_SINGLE_DMA, 0);
xprintf("doing memory to memory DMA from %p to %p (%x bytes)\r\n", src, dst, n);
ret = MCD_startDma(0, src, n, dst, n, n, 1, DMA_ALWAYS, 7, MCD_SINGLE_DMA|MCD_TT_FLAGS_CW|MCD_TT_FLAGS_RL|MCD_TT_FLAGS_SP, 0);
if (ret == MCD_OK)
{
xprintf("DMA on channel 0 successfully started\r\n");
@@ -28,7 +30,33 @@ void *dma_memcpy(void *dst, void *src, size_t n)
do
{
ret = MCD_dmaStatus(0);
xprintf(".");
switch (ret)
{
case MCD_NO_DMA:
xprintf("MCD_NO_DMA: no DMA active on this channel\r\n");
break;
case MCD_IDLE:
xprintf("MCD_IDLE: DMA defined but not active (initiator not ready)\r\n");
break;
case MCD_RUNNING:
//xprintf("MCD_RUNNING: DMA active and working on this channel\r\n");
break;
case MCD_PAUSED:
xprintf("MCD_PAUSED: DMA defined and enabled, but currently paused\r\n");
break;
case MCD_HALTED:
xprintf("MCD_HALTED: DMA killed\r\n");
break;
case MCD_DONE:
xprintf("MCD_DONE: DMA finished\r\n");
break;
case MCD_CHANNEL_INVALID:
xprintf("MCD_CHANNEL_INVALID: invalid DMA channel\r\n");
break;
default:
xprintf("unknown DMA status %d\r\n", ret);
break;
}
} while (ret != MCD_DONE);
xprintf("\r\n");
@@ -57,7 +85,7 @@ int spidma_init(void)
xprintf("DMA API initialized. Tasks are at %p\r\n", SYS_SRAM);
// test
dma_memcpy((void *) 0x40000000, (void *) 0x30000000, 0x100000);
dma_memcpy((void *) 0x1e000000, (void *) 0x1f000000, 0xf00000);
xprintf("DMA finished\r\n");
return 1;
}