diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_sdio.c')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_sdio.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_sdio.c b/nuttx/arch/arm/src/stm32/stm32_sdio.c index bb10abdc5..f5f68f973 100644 --- a/nuttx/arch/arm/src/stm32/stm32_sdio.c +++ b/nuttx/arch/arm/src/stm32/stm32_sdio.c @@ -72,6 +72,10 @@ # undef CONFIG_SDIO_DMA
#endif
+#ifndef CONFIG_SDIO_DMA
+# warning "Large Non-DMA transfer may result in RX overrun failures"
+#endif
+
#ifndef CONFIG_SCHED_WORKQUEUE
# error "Callback support requires CONFIG_SCHED_WORKQUEUE"
#endif
@@ -941,13 +945,14 @@ static int stm32_interrupt(int irq, void *context) stm32_endtransfer(priv, OK);
}
- /* Handler data block send/receive CRC failure */
+ /* Handle data block send/receive CRC failure */
else if ((pending & SDIO_STA_DCRCFAIL) != 0)
{
/* Terminate the transfer with an error */
putreg32(SDIO_ICR_DCRCFAILC, STM32_SDIO_ICR);
+ flldbg("ERROR: Data block CRC failure, remaining: %d\n", priv->remaining);
stm32_endtransfer(priv, -EIO);
}
@@ -958,6 +963,7 @@ static int stm32_interrupt(int irq, void *context) /* Terminate the transfer with an error */
putreg32(SDIO_ICR_DTIMEOUTC, STM32_SDIO_ICR);
+ flldbg("ERROR: Data timeout, remaining: %d\n", priv->remaining);
stm32_endtransfer(priv, -ETIMEDOUT);
}
@@ -968,6 +974,7 @@ static int stm32_interrupt(int irq, void *context) /* Terminate the transfer with an error */
putreg32(SDIO_ICR_RXOVERRC, STM32_SDIO_ICR);
+ flldbg("ERROR: RX FIFO overrun, remaining: %d\n", priv->remaining);
stm32_endtransfer(priv, -EOVERFLOW);
}
@@ -978,6 +985,7 @@ static int stm32_interrupt(int irq, void *context) /* Terminate the transfer with an error */
putreg32(SDIO_ICR_TXUNDERRC, STM32_SDIO_ICR);
+ flldbg("ERROR: TX FIFO underrun, remaining: %d\n", priv->remaining);
stm32_endtransfer(priv, -EOVERFLOW);
}
@@ -988,6 +996,7 @@ static int stm32_interrupt(int irq, void *context) /* Terminate the transfer with an error */
putreg32(SDIO_ICR_STBITERRC, STM32_SDIO_ICR);
+ flldbg("ERROR: Start bit, remaining: %d\n", priv->remaining);
stm32_endtransfer(priv, -EIO);
}
}
@@ -1297,12 +1306,12 @@ static void stm32_sendcmd(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 arg) cmdidx = (cmd & MMCSD_CMDIDX_MASK) >> MMCSD_CMDIDX_SHIFT;
regval |= cmdidx | SDIO_CMD_CPSMEN;
+ fvdbg("cmd: %08x arg: %08x regval: %08x\n", cmd, arg, getreg32(STM32_SDIO_CMD));
+
/* Write the SDIO CMD */
putreg32(SDIO_RESPDONE_ICR|SDIO_CMDDONE_ICR, STM32_SDIO_ICR);
putreg32(regval, STM32_SDIO_CMD);
- fvdbg("cmd: %08x arg: %08x regval: %08x\n",
- cmd, arg, getreg32(STM32_SDIO_CMD));
}
/****************************************************************************
|