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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-02-16 00:07:29 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-02-16 00:07:29 +0000 |
| commit | 7585579c803173a39ec63a4c8dfe82a902a0ec5a (patch) | |
| tree | 5428ac85fc73cd423debff7db9eb87a2d8c1bb7b /nuttx/configs/mbed/include | |
| parent | c45ce4acb9eeca86c6da100828095da514690019 (diff) | |
| download | px4-nuttx-7585579c803173a39ec63a4c8dfe82a902a0ec5a.tar.gz px4-nuttx-7585579c803173a39ec63a4c8dfe82a902a0ec5a.tar.bz2 px4-nuttx-7585579c803173a39ec63a4c8dfe82a902a0ec5a.zip | |
Add USB host support and HID keyboard support for the mbed board
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3297 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/mbed/include')
| -rwxr-xr-x | nuttx/configs/mbed/include/board.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/nuttx/configs/mbed/include/board.h b/nuttx/configs/mbed/include/board.h index 667287800..bec90d10f 100755 --- a/nuttx/configs/mbed/include/board.h +++ b/nuttx/configs/mbed/include/board.h @@ -67,7 +67,7 @@ #define LPC17_CCLK 80000000 /* 80Mhz*/ /* Select the main oscillator as the frequency source. SYSCLK is then the frequency - * of the main osciallator. + * of the main oscillator. */ #undef CONFIG_LPC17_MAINOSC @@ -86,6 +86,8 @@ * Source clock: Main oscillator * PLL0 Multiplier value (M): 20 * PLL0 Pre-divider value (N): 1 + * + * PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz */ #undef CONFIG_LPC17_PLL0 @@ -107,8 +109,8 @@ (((BOARD_PLL1CFG_MSEL-1) << SYSCON_PLL1CFG_MSEL_SHIFT) | \ ((BOARD_PLL1CFG_NSEL-1) << SYSCON_PLL1CFG_NSEL_SHIFT)) -/* USB divider. This divder is used when PLL1 is not enabled to get the USB clock - * from PLL0: +/* USB divider. This divider is used when PLL1 is not enabled to get the + * USB clock from PLL0: * * USBCLK = PLL0CLK / 10 = 48MHz */ @@ -150,6 +152,17 @@ #define GPIO_SSP0_MISO GPIO_SSP0_MISO_1 #define GPIO_SSP0_MOSI GPIO_SSP0_MOSI_1 +/* We need to redefine USB_PWRD as GPIO to get USB Host working + * Also remember to add 2 resistors of 15K to D+ and D- pins. + */ + +#ifdef CONFIG_USBHOST +# ifdef GPIO_USB_PWRD +# undef GPIO_USB_PWRD +# define GPIO_USB_PWRD (GPIO_INPUT | GPIO_PORT1 | GPIO_PIN22) +# endif +#endif + /************************************************************************************ * Public Types ************************************************************************************/ |