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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-04-11 18:08:52 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-04-11 18:08:52 +0000 |
| commit | 43f791fab83155249f86ed7432a60d420b8b9851 (patch) | |
| tree | 40ef0f96cebc9308369d6d72d0d70ad75907b717 /nuttx/configs/sam3u-ek/src/up_mmcsd.c | |
| parent | 43a9fea627eecbc4294079e80be611c2f4f7d7e3 (diff) | |
| download | px4-nuttx-43f791fab83155249f86ed7432a60d420b8b9851.tar.gz px4-nuttx-43f791fab83155249f86ed7432a60d420b8b9851.tar.bz2 px4-nuttx-43f791fab83155249f86ed7432a60d420b8b9851.zip | |
Early debug of SAM3U MCI
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2587 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/sam3u-ek/src/up_mmcsd.c')
| -rwxr-xr-x | nuttx/configs/sam3u-ek/src/up_mmcsd.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/nuttx/configs/sam3u-ek/src/up_mmcsd.c b/nuttx/configs/sam3u-ek/src/up_mmcsd.c index 45762ee28..2f19c9ced 100755 --- a/nuttx/configs/sam3u-ek/src/up_mmcsd.c +++ b/nuttx/configs/sam3u-ek/src/up_mmcsd.c @@ -70,39 +70,42 @@ * Public Functions ************************************************************************************/ -/**************************************************************************** +/************************************************************************************ * Name: sam3u_hsmciinit * * Description: - * Initialize HSMCI support + * Initialize HSMCI support. This function is called very early in board + * initialization. * - ****************************************************************************/ + ************************************************************************************/ int sam3u_hsmciinit(void) { -#if GPIO_MCI_CD +#ifdef GPIO_MCI_CD sam3u_configgpio(GPIO_MCI_CD); #endif -#if GPIO_MCI_WP +#ifdef GPIO_MCI_WP sam3u_configgpio(GPIO_MCI_WP); #endif return OK; } -/**************************************************************************** +/************************************************************************************ * Name: sam3u_cardinserted * * Description: * Check if a card is inserted into the selected HSMCI slot * - ****************************************************************************/ + ************************************************************************************/ bool sam3u_cardinserted(unsigned char slot) { if (slot == 0) { #ifdef GPIO_MCI_CD - return !sam3u_gpioread(GPIO_MCI_CD); + bool inserted = sam3u_gpioread(GPIO_MCI_CD); + fvdbg("inserted: %s\n", inserted ? "NO" : "YES"); + return !inserted; #else return true; #endif @@ -110,20 +113,22 @@ bool sam3u_cardinserted(unsigned char slot) return false; } -/**************************************************************************** +/************************************************************************************ * Name: sam3u_writeprotected * * Description: * Check if a card is inserted into the selected HSMCI slot * - ****************************************************************************/ + ************************************************************************************/ bool sam3u_writeprotected(unsigned char slot) { if (slot == 0) { #ifdef GPIO_MCI_WP - return sam3u_gpioread(GPIO_MCI_WP); + bool protected = sam3u_gpioread(GPIO_MCI_WP); + fvdbg("protected: %s\n", inserted ? "YES" : "NO"); + return protected; #else return false; #endif |