cc3200: Add missing antenna diversity source files.

cc3200/misc/antenna.c

+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Daniel Campora
+ *
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#include <stdint.h>
+
+#include "mpconfigboard.h"
+#include "inc/hw_types.h"
+#include "inc/hw_gpio.h"
+#include "inc/hw_ints.h"
+#include "inc/hw_memmap.h"
+#include "rom_map.h"
+#include "pin.h"
+#include "prcm.h"
+#include "gpio.h"
+#include "antenna.h"
+
+
+#if MICROPY_HW_ANTENNA_DIVERSITY
+
+/******************************************************************************
+DEFINE CONSTANTS
+******************************************************************************/
+#define REG_PAD_CONFIG_26           (0x4402E108)
+#define REG_PAD_CONFIG_27           (0x4402E10C)
+
+/******************************************************************************
+DEFINE PUBLIC FUNCTIONS
+******************************************************************************/
+void antenna_init0(void) {
+
+    MAP_PRCMPeripheralClkEnable(PRCM_GPIOA3, PRCM_RUN_MODE_CLK);
+    MAP_GPIODirModeSet(GPIOA3_BASE, 0x0C, GPIO_DIR_MODE_OUT);
+
+    // configure PIN_29 for GPIOOutput
+    HWREG(REG_PAD_CONFIG_26) = ((HWREG(REG_PAD_CONFIG_26) & ~(PAD_STRENGTH_MASK
+                                 | PAD_TYPE_MASK)) | (0x00000020 | 0x00000000 ));
+
+    // set the mode
+    HWREG(REG_PAD_CONFIG_26) = (((HWREG(REG_PAD_CONFIG_26) & ~PAD_MODE_MASK) |
+                                0x00000000) & ~(3 << 10));
+
+    // set the direction
+    HWREG(REG_PAD_CONFIG_26) = ((HWREG(REG_PAD_CONFIG_26) & ~0xC00) | 0x00000800);
+
+
+    // configure PIN_30 for GPIOOutput
+    HWREG(REG_PAD_CONFIG_27) = ((HWREG(REG_PAD_CONFIG_27) & ~(PAD_STRENGTH_MASK
+                                | PAD_TYPE_MASK)) | (0x00000020 | 0x00000000 ));
+
+    // set the mode
+    HWREG(REG_PAD_CONFIG_27) = (((HWREG(REG_PAD_CONFIG_27) & ~PAD_MODE_MASK) |
+                                0x00000000) & ~(3 << 10));
+
+    // set the direction
+    HWREG(REG_PAD_CONFIG_26) = ((HWREG(REG_PAD_CONFIG_27) & ~0xC00) | 0x00000800);
+}
+
+void antenna_select (antenna_type_t antenna_type) {
+    if (antenna_type == ANTENNA_TYPE_INTERNAL) {
+        MAP_GPIOPinWrite(GPIOA3_BASE, 0x0C, 0x04);
+    } else {
+        MAP_GPIOPinWrite(GPIOA3_BASE, 0x0C, 0x08);
+    }
+}
+
+#endif
+

cc3200/misc/antenna.h

+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Daniel Campora
+ *
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#ifndef _ANTENNA_H_
+#define _ANTENNA_H_
+
+typedef enum {
+    ANTENNA_TYPE_INTERNAL = 0,
+    ANTENNA_TYPE_EXTERNAL
+} antenna_type_t;
+
+extern void antenna_init0 (void);
+extern void antenna_select (antenna_type_t antenna_type);
+
+#endif /* _ANTENNA_H_ */