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improved error handling

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This commit is contained in:
Markus Fröschle
2014-11-24 16:12:35 +00:00
parent 2453a4abfc
commit 764e089806
2 changed files with 46 additions and 21 deletions
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46
dma/dma.c
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@@ -45,6 +45,7 @@
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DBG_DMA */
#define err(format, arg...) do { xprintf("ERROR: %s(): " format, __FUNCTION__, ##arg); } while (0)
extern char _SYS_SRAM[];
#define SYS_SRAM &_SYS_SRAM[0]
@@ -174,7 +175,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot found\r\n");
err("no free slot found\r\n");
return 1;
}
@@ -193,7 +194,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -207,7 +208,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -221,7 +222,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -235,7 +236,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -249,7 +250,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -263,7 +264,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -277,7 +278,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -291,7 +292,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -305,7 +306,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -319,7 +320,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -333,7 +334,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -346,7 +347,10 @@ int dma_set_initiator(int initiator)
used_reqs[28] = DMA_USBEP6;
}
else /* No empty slots */
{
err("no free slot\r\n");
return 1;
}
break;
case DMA_PSC2_RX:
@@ -356,7 +360,7 @@ int dma_set_initiator(int initiator)
used_reqs[28] = DMA_PSC2_RX; }
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -370,7 +374,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -384,7 +388,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -398,7 +402,7 @@ int dma_set_initiator(int initiator)
}
else /* No empty slots */
{
dbg("no free slot\r\n");
err("no free slot\r\n");
return 1;
}
@@ -406,7 +410,7 @@ int dma_set_initiator(int initiator)
default:
{
dbg("don't know what to do\r\n");
err("don't know what to do\r\n");
return 1;
}
@@ -433,7 +437,7 @@ uint32_t dma_get_initiator(int requestor)
if (used_reqs[i] == requestor)
return i;
}
dbg("no initiator found for requestor %d\r\n", requestor);
err("no initiator found for requestor %d\r\n", requestor);
return 0;
}
@@ -487,7 +491,7 @@ int dma_set_channel(int requestor, void (*handler)(void))
return i;
}
}
dbg("no free DMA channel found for requestor %d\r\n", requestor);
err("no free DMA channel found for requestor %d\r\n", requestor);
/* All channels taken */
return -1;
@@ -567,7 +571,7 @@ int dma_interrupt_handler(void *arg1, void *arg2)
/* Make sure we are here for a reason */
if (interrupts == 0)
{
dbg("not DMA interrupt! Spurious?\r\n");
dbg("not DMA interrupt!\r\n");
return 0;
}
@@ -665,7 +669,7 @@ int dma_init(void)
res = MCD_initDma((dmaRegs *) &_MBAR[0x8000], SYS_SRAM, MCD_RELOC_TASKS | MCD_COMM_PREFETCH_EN);
if (res != MCD_OK)
{
dbg("DMA API initialization failed (0x%x)\r\n", res);
err("DMA API initialization failed (0x%x)\r\n", res);
return 0;
}