Completes coding of the PWM module

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679
2026-10-24 16:53:33 +08:00 · 2011-12-19 19:24:09 +00:00
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+/***********************************************************************
+ * pfdefs.h
+ * Floating point operation codes
+ *
+ *   Copyright (C) 2008-2009 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 __PFDEFS_H
+#define __PFDEFS_H
+
+/***********************************************************************
+ * FLOATING POINT SUB-OPCODES
+ ***********************************************************************/
+
+/* This bit may be set in the opcode to indicate that the arguments
+ * is(are) type integer and require(s) conversion. */
+
+#define fpARG1  (0x40)
+#define fpARG2  (0x80)
+#define fpMASK  (0x3f)
+#define fpSHIFT  6
+
+/* The "INVALID" floating point operation */
+
+#define fpINVLD (0x00)
+
+/* Floating Pointer Conversions (On 16-bit stack argument:  FP or Integer) */
+
+#define fpFLOAT (0x01)
+#define fpTRUNC (0x02)
+#define fpROUND (0x03)
+
+/* Floating Point arithmetic instructions (Two FP 16-bit stack arguments) */
+
+#define fpADD   (0x04)
+#define fpSUB   (0x05)
+#define fpMUL   (0x06)
+#define fpDIV   (0x07)
+#define fpMOD   (0x08)
+
+/* Floating Point Comparisons (Two FP 16-bit stack arguments) */
+
+#define fpEQU   (0x0a)
+#define fpNEQ   (0x0b)
+#define fpLT    (0x0c)
+#define fpGTE   (0x0d)
+#define fpGT    (0x0e)
+#define fpLTE   (0x0f)
+
+/* Floating Point arithmetic instructions (One FP 16-bit stack arguments) */
+
+#define fpNEG   (0x10)
+#define fpABS   (0x11)
+#define fpSQR   (0x12)
+#define fpSQRT  (0x13)
+#define fpSIN   (0x14)
+#define fpCOS   (0x15)
+#define fpATAN  (0x16)
+#define fpLN    (0x17)
+#define fpEXP   (0x18)
+
+#define MAX_FOP (0x19) /* Number of floating point operations */
+
+#endif /* __PFDEFS_H */