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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-24 19:50:32 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-24 19:50:32 +0000 |
commit | ed988b4591a6a6113556850a9027c7aa90f1d98b (patch) | |
tree | ee9fa617d798c6e9c8130806774e1acdd34e2325 /nuttx/arch/arm/src/lpc313x | |
parent | 826051686093da7375f0e7b7fce4b6b58e9305e7 (diff) | |
download | px4-nuttx-ed988b4591a6a6113556850a9027c7aa90f1d98b.tar.gz px4-nuttx-ed988b4591a6a6113556850a9027c7aa90f1d98b.tar.bz2 px4-nuttx-ed988b4591a6a6113556850a9027c7aa90f1d98b.zip |
Add lpc313x header files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2423 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc313x')
-rwxr-xr-x | nuttx/arch/arm/src/lpc313x/lpc313x_pwm.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lpc313x/lpc313x_pwm.h b/nuttx/arch/arm/src/lpc313x/lpc313x_pwm.h new file mode 100755 index 000000000..94552d7c1 --- /dev/null +++ b/nuttx/arch/arm/src/lpc313x/lpc313x_pwm.h @@ -0,0 +1,97 @@ +/************************************************************************************************ + * arch/arm/src/lpc313x/lpc313x_pwm.h + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_LPC313X_PWM_H +#define __ARCH_ARM_SRC_LPC313X_PWM_H + +/************************************************************************************************ + * Included Files + ************************************************************************************************/ + +#include <nuttx/config.h> +#include "lpc313x_memorymap.h" + +/************************************************************************************************ + * Pre-processor Definitions + ************************************************************************************************/ + +/* PWM register base address offset into the APB1 domain ****************************************/ + +#define LPC313X_PWM_VBASE (LPC313X_APB1_VSECTION+LPC313X_APB1_PWM_OFFSET) +#define LPC313X_PWM_PBASE (LPC313X_APB1_PSECTION+LPC313X_APB1_PWM_OFFSET) + +/* PWM register offsets (with respect to the PWM base) ******************************************/ + +#define LPC313X_PWM_TMR_OFFSET 0x000 /* Timer Register */ +#define LPC313X_PWM_CNTL_OFFSET 0x004 /* Control Register */ + +/* PWM register (virtual) addresses *************************************************************/ + +#define LPC313X_PWM_TMR (LPC313X_PWM_VBASE+LPC313X_PWM_TMR_OFFSET) +#define LPC313X_PWM_CNTL (LPC313X_PWM_VBASE+LPC313X_PWM_CNTL_OFFSET) + +/* PWM register bit definitions *****************************************************************/ + +/* Timer register TMR, address 0x13009000 */ + +#define PWM_TMR_SHIFT (0) /* Bits 0-11: Timer used for PWM and PDM */ +#define PWM_TMR_MASK (0xfff < PWM_TMR_SHIFT) + +/* Control register CNTL, address 0x13009004 */ + +#define PWM_CNTL_PDM (1 << 7) /* Bit 7: PDM Select PDM mode */ +#define PWM_CNTL_LOOP (1 << 6) /* Bit 6: Output inverted with top 4 TMR bits */ +#define PWM_CNTL_HI (1 << 4) /* Bit 4: PWM output forced high */ + /* Bits 2-3: Reserved */ +#define PWM_CNTL_CLK_SHIFT (0) /* Bits 0-1: Configure PWM_CLK for output pulses */ +#define PWM_CNTL_CLK_MASK (3 << PWM_CNTL_CLK_SHIFT) +# define PWM_CNTL_CLKDIV1 (0 << PWM_CNTL_CLK_SHIFT) /* PWM_CLK */ +# define PWM_CNTL_CLKDIV2 (1 << PWM_CNTL_CLK_SHIFT) /* PWM_CLK/2 */ +# define PWM_CNTL_CLKDIV4 (2 << PWM_CNTL_CLK_SHIFT) /* PWM_CLK/4 */ +# define PWM_CNTL_CLKDIV8 (3 << PWM_CNTL_CLK_SHIFT) /* PWM_CLK/8 */ + +/************************************************************************************************ + * Public Types + ************************************************************************************************/ + +/************************************************************************************************ + * Public Data + ************************************************************************************************/ + +/************************************************************************************************ + * Public Functions + ************************************************************************************************/ + +#endif /* __ARCH_ARM_SRC_LPC313X_PWM_H */ |