diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-24 20:40:11 +0000 |
---|---|---|
committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-24 20:40:11 +0000 |
commit | 27ba39c2e6bc41ff30705525a98444dfbe5da1cd (patch) | |
tree | 690e9c2d705fa5fe195757591b2bbb400c1df08c /nuttx/arch/arm/src/lm3s/lm3s_ssi.c | |
parent | 9b2ed5ff44f02983b6ed3ca810ab6a951b838b17 (diff) | |
download | nuttx-27ba39c2e6bc41ff30705525a98444dfbe5da1cd.tar.gz nuttx-27ba39c2e6bc41ff30705525a98444dfbe5da1cd.tar.bz2 nuttx-27ba39c2e6bc41ff30705525a98444dfbe5da1cd.zip |
Debug microSD CS
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1824 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lm3s/lm3s_ssi.c')
-rwxr-xr-x | nuttx/arch/arm/src/lm3s/lm3s_ssi.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_ssi.c b/nuttx/arch/arm/src/lm3s/lm3s_ssi.c index 7c91a0709..4b9386c8a 100755 --- a/nuttx/arch/arm/src/lm3s/lm3s_ssi.c +++ b/nuttx/arch/arm/src/lm3s/lm3s_ssi.c @@ -64,7 +64,7 @@ * CONFIG_DEBUG_VERBOSE too) */ -#undef SSI_DEBUG /* Define to enable debug */ +#undef SSI_DEBUG /* Define to enable debug */ #ifdef SSI_DEBUG # define ssidbg lldbg @@ -426,12 +426,14 @@ static void ssi_semtake(sem_t *sem) static void ssi_txnull(struct lm32_ssidev_s *priv) { + ssivdbg("TX: ones\n"); ssi_putreg(priv, LM3S_SSI_DR_OFFSET, 0xffff); } static void ssi_txuint16(struct lm32_ssidev_s *priv) { uint16 *ptr = (uint16*)priv->txbuffer; + ssivdbg("TX: %p->%04x\n", ptr, *ptr); ssi_putreg(priv, LM3S_SSI_DR_OFFSET, (uint32)(*ptr++)); priv->txbuffer = (void*)ptr; } @@ -439,6 +441,7 @@ static void ssi_txuint16(struct lm32_ssidev_s *priv) static void ssi_txubyte(struct lm32_ssidev_s *priv) { ubyte *ptr = (ubyte*)priv->txbuffer; + ssivdbg("TX: %p->%02x\n", ptr, *ptr); ssi_putreg(priv, LM3S_SSI_DR_OFFSET, (uint32)(*ptr++)); priv->txbuffer = (void*)ptr; } @@ -462,21 +465,28 @@ static void ssi_txubyte(struct lm32_ssidev_s *priv) static void ssi_rxnull(struct lm32_ssidev_s *priv) { +#if defined(SSI_DEBUG) && defined(CONFIG_DEBUG_VERBOSE) + uint32 regval = ssi_getreg(priv, LM3S_SSI_DR_OFFSET); + ssivdbg("RX: discard %04x\n", regval); +#else (void)ssi_getreg(priv, LM3S_SSI_DR_OFFSET); +#endif } static void ssi_rxuint16(struct lm32_ssidev_s *priv) { uint16 *ptr = (uint16*)priv->rxbuffer; - *ptr++ = (uint16)ssi_getreg(priv, LM3S_SSI_DR_OFFSET); - priv->rxbuffer = (void*)ptr; + *ptr = (uint16)ssi_getreg(priv, LM3S_SSI_DR_OFFSET); + ssivdbg("RX: %p<-%04x\n", ptr, *ptr); + priv->rxbuffer = (void*)(++ptr); } static void ssi_rxubyte(struct lm32_ssidev_s *priv) { ubyte *ptr = (ubyte*)priv->rxbuffer; - *ptr++ = (ubyte)ssi_getreg(priv, LM3S_SSI_DR_OFFSET); - priv->rxbuffer = (void*)ptr; + *ptr = (ubyte)ssi_getreg(priv, LM3S_SSI_DR_OFFSET); + ssivdbg("RX: %p<-%02x\n", ptr, *ptr); + priv->rxbuffer = (void*)(++ptr); } /**************************************************************************** |