Add nuttx to the system framework, which is 10.1.0

2021-06-09 14:33:15 +08:00
parent 06c351e27c
commit 804bd57aa0
5000 changed files with 1488544 additions and 0 deletions
@@ -0,0 +1,187 @@
+/****************************************************************************
+ * apps/system/spi/spi_exch.c
+ *
+ *   Copyright (C) 2019 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *           Dave Marples <dave@marples.net>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdlib.h>
+
+#include <ctype.h>
+
+#include <nuttx/spi/spi_transfer.h>
+
+#include "spitool.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: spicmd_exch
+ ****************************************************************************/
+
+#define ISHEX(x) ((((x)>='0') && ((x)<='9')) || ((toupper(x)>='A') && (toupper(x)<='F')))
+#define HTOI(x) ( (((x)>='0') && ((x)<='9')) ? (x)-'0':toupper(x)-'A'+10 )
+
+int spicmd_exch(FAR struct spitool_s *spitool, int argc, FAR char **argv)
+{
+  FAR char *ptr;
+  int nargs;
+  int argndx;
+  int ret;
+  int fd;
+
+  uint8_t txdata[MAX_XDATA] =
+  {
+    0
+  };
+  uint8_t rxdata[MAX_XDATA] =
+  {
+    0
+  };
+  uint8_t *txdatap = txdata;
+  struct spi_trans_s trans;
+  struct spi_sequence_s seq;
+  uint32_t d;
+
+  /* Parse any command line arguments */
+
+  for (argndx = 1; argndx < argc; )
+    {
+      /* Break out of the loop when the last option has been parsed */
+
+      ptr = argv[argndx];
+      if (*ptr != '-')
+        {
+          break;
+        }
+
+      /* Otherwise, check for common options */
+
+      nargs = spitool_common_args(spitool, &argv[argndx]);
+      if (nargs < 0)
+        {
+          return ERROR;
+        }
+
+      argndx += nargs;
+    }
+
+  /* There may be transmit data on the command line */
+
+  if (argc - argndx > spitool->count)
+    {
+      spitool_printf(spitool, g_spitoomanyargs, argv[0]);
+      return ERROR;
+    }
+
+
+  while (argndx < argc)
+    {
+      FAR uint8_t *a = (uint8_t *)argv[argndx];
+      while (*a)
+        {
+          if ((*(a + 1) == 0) || !ISHEX(*a) || !ISHEX(*(a + 1)))
+            {
+              /* Uneven number of characters or illegal char .... that's an error */
+
+              spitool_printf(spitool, g_spiincompleteparam, argv[0]);
+              return ERROR;
+            }
+
+          *txdatap++ = (HTOI(*a) << 4) | HTOI(*(a + 1));
+          a += 2;
+        }
+
+      argndx += 1;
+    }
+
+  /* Get a handle to the SPI bus */
+
+  fd = spidev_open(spitool->bus);
+  if (fd < 0)
+    {
+      spitool_printf(spitool, "Failed to get bus %d\n", spitool->bus);
+      return ERROR;
+    }
+
+  /* Set up the transfer profile */
+
+  seq.dev = SPIDEV_ID(spitool->devtype, spitool->csn);
+  seq.mode = spitool->mode;
+  seq.nbits = spitool->width;
+  seq.frequency = spitool->freq;
+  seq.ntrans = 1;
+  seq.trans = &trans;
+
+  trans.deselect = true;
+#ifdef CONFIG_SPI_CMDDATA
+  trans.cmd = spitool->command;
+#endif
+  trans.delay = spitool->udelay;
+  trans.nwords = spitool->count;
+  trans.txbuffer = txdata;
+  trans.rxbuffer = rxdata;
+
+  ret = spidev_transfer(fd, &seq);
+
+  close(fd);
+
+  if (ret)
+    {
+      return ret;
+    }
+
+  spitool_printf(spitool, "Received: ");
+  for (d = 0; d < spitool->count; d++)
+    {
+      if (spitool->width <= 8)
+        {
+          spitool_printf(spitool, "%02X ", rxdata[d]);
+        }
+      else
+        {
+          spitool_printf(spitool, "%04X ", ((uint16_t *)rxdata)[d]);
+        }
+    }
+
+  spitool_printf(spitool, "\n");
+
+  return ret;
+}