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LPC54xx: Update a README; fix a error in a DEBUGASSERTION in the SDMMC driver.

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This commit is contained in:
Gregory Nutt 2017-12-21 12:19:15 -06:00
parent 30dbae2dbe
commit c431177c0f
2 changed files with 36 additions and 5 deletions
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8
arch/arm/src/lpc54xx/lpc54_sdmmc.c
View File

@ -680,7 +680,7 @@ static void lpc54_setupints(struct lpc54_dev_s *priv)
#else #else
mcinfo("waitmask=%04lx xfrmask=%04lx\n", mcinfo("waitmask=%04lx xfrmask=%04lx\n",
(unsigned long)waitmask, (unsigned long)priv->xfrmask); (unsigned long)priv->waitmask, (unsigned long)priv->xfrmask);
#endif #endif
/* Enable SDMMC interrupts */ /* Enable SDMMC interrupts */
@ -1671,7 +1671,7 @@ static int lpc54_recvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer,
{ {
blocksize = 64; blocksize = 64;
bytecnt = nbytes; bytecnt = nbytes;
DEBUGASSERT((nbytes & ~0x3f) == 0); DEBUGASSERT((nbytes & 0x3f) == 0);
} }
lpc54_putreg(blocksize, LPC54_SDMMC_BLKSIZ); lpc54_putreg(blocksize, LPC54_SDMMC_BLKSIZ);
@ -2423,7 +2423,7 @@ static int lpc54_dmarecvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer,
/* Setup buffer address (chained) */ /* Setup buffer address (chained) */
g_sdmmc_dmadd[i].des2 = (uint32_t) priv->buffer + (i * MCI_DMADES1_MAXTR); g_sdmmc_dmadd[i].des2 = (uint32_t)priv->buffer + (i * MCI_DMADES1_MAXTR);
/* Setup basic control */ /* Setup basic control */
@ -2436,7 +2436,7 @@ static int lpc54_dmarecvsetup(FAR struct sdio_dev_s *dev, FAR uint8_t *buffer,
/* No more data? Then this is the last descriptor */ /* No more data? Then this is the last descriptor */
if (!buflen) if (buflen == 0)
{ {
ctrl |= MCI_DMADES0_LD; ctrl |= MCI_DMADES0_LD;
} }

33
configs/lpcxpresso-lpc54628/README.txt
View File

@ -62,9 +62,13 @@ STATUS
functional. However, the action of the touchscreen could use some functional. However, the action of the touchscreen could use some
human factors improvements. I imagine that this is a consequence of human factors improvements. I imagine that this is a consequence of
the polled solution. the polled solution.
2017-12-29: Brought in Alan Carvalho de Assis' LPC43xx SD/MMC driver from 2017-12-19: Brought in Alan Carvalho de Assis' LPC43xx SD/MMC driver from
https://github.com/Smoothieware/smoothie-nuttx/tree/master/nuttx/arch/arm/src/lpc43xx https://github.com/Smoothieware/smoothie-nuttx/tree/master/nuttx/arch/arm/src/lpc43xx
and adapted it for use by the LPC54xx. Unverified as of this writing. and adapted it for use by the LPC54xx. Unverified as of this writing.
2017-12-21: Some things are working with he SDMMC drivers but read DMAs
are non-functional and, hence not usable. The nature of the problem is
this: The DMA appears to complete normally, however, the application
receive buffer is not modified. Nothing is actually received.
There is still no support for the Accelerometer, SPIFI, SD card, Ethernet, There is still no support for the Accelerometer, SPIFI, SD card, Ethernet,
or USB. There is a partial SPI driver, but no on-board SPI devices to or USB. There is a partial SPI driver, but no on-board SPI devices to
@ -310,6 +314,33 @@ Configurations
configuration. Snappier response my be obtainble with filtering off configuration. Snappier response my be obtainble with filtering off
if desired. if desired.
5. This configuration has been used for testing the SDMMC driver with
these configuration additions:
CONFIG_EXPERIMENTAL=y
CONFIG_LPC54_SDMMC=y
CONFIG_LPC54_SDMMC_PWRCTRL=y
CONFIG_LPC54_SDMMC_DMA=y
CONFIG_SIG_SIGWORK=17
CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_HPWORK=y
CONFIG_SCHED_HPWORKPRIORITY=224
CONFIG_SCHED_HPWORKPERIOD=50000
CONFIG_SCHED_HPWORKSTACKSIZE=2048
CONFIG_MMCSD=y
CONFIG_MMCSD_NSLOTS=1
CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
CONFIG_MMCSD_HAVE_CARDDETECT=y
CONFIG_MMCSD_HAVE_WRITEPROTECT=y
CONFIG_ARCH_HAVE_SDIO=y
CONFIG_SDIO_DMA=y
CONFIG_MMCSD_SDIO=y
CONFIG_NSH_MMCSDSLOTNO=0
nxwm: nxwm:
This is a special configuration setup for the NxWM window manager This is a special configuration setup for the NxWM window manager