diff options
author | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2009-05-24 20:40:11 +0000 |
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committer | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2009-05-24 20:40:11 +0000 |
commit | ba258097eacab269616f8515fba1a77779fecf1c (patch) | |
tree | 690e9c2d705fa5fe195757591b2bbb400c1df08c /nuttx/arch/arm/src/lm3s/lm3s_ssi.c | |
parent | dedf6cdf9fa0af7bf643c05a201026fa316eb116 (diff) |
Debug microSD CS
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@1824 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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 7c91a07094..4b9386c8a3 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); } /**************************************************************************** |