Diff: targets/TARGET_Maxim/TARGET_MAX32625/mxc/ioman.c

Revision:

151:02e0a0aed4ec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_Maxim/TARGET_MAX32625/mxc/ioman.c	Tue Nov 08 17:45:16 2016 +0000
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Maxim Integrated
+ * Products, Inc. shall not be used except as stated in the Maxim Integrated
+ * Products, Inc. Branding Policy.
+ *
+ * The mere transfer of this software does not imply any licenses
+ * of trade secrets, proprietary technology, copyrights, patents,
+ * trademarks, maskwork rights, or any other form of intellectual
+ * property whatsoever. Maxim Integrated Products, Inc. retains all
+ * ownership rights.
+ *
+ * $Date: 2016-04-27 09:05:41 -0500 (Wed, 27 Apr 2016) $
+ * $Revision: 22529 $
+ *
+ ******************************************************************************/
+
+#include <stddef.h>
+#include "mxc_config.h"
+#include "ioman.h"
+
+/******************************************************************************/
+int IOMAN_Config(const ioman_cfg_t *cfg)
+{
+
+    if(cfg == NULL) {
+        return E_NULL_PTR;
+    }
+
+    if ((cfg->req_reg == &MXC_IOMAN->i2cm0_req) || (cfg->req_reg == &MXC_IOMAN->i2cm1_req)) {
+        /* Request pin mapping */
+        *cfg->req_reg = cfg->req_val.value;
+
+        /* Check for acknowledgment */
+        /* Mask the I2CM SCL push/pull bit because it does not have an ack bit*/
+        if (*cfg->ack_reg != (cfg->req_val.value & ~(MXC_F_IOMAN_I2CM0_REQ_SCL_PUSH_PULL))) {
+            return E_BUSY;
+        }
+    } else {
+        if (*cfg->ack_reg != cfg->req_val.value) {
+            /* Request pin mapping */
+            *cfg->req_reg = cfg->req_val.value;
+
+            /* Check for acknowledgment */
+            if (*cfg->ack_reg != cfg->req_val.value) {
+                return E_BUSY;
+            }
+        }
+    }
+
+    return E_NO_ERROR;
+}