Diff: targets/TARGET_TOSHIBA/TARGET_TMPM46B/pinmap.c

Revision:

184:08ed48f1de7f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_TOSHIBA/TARGET_TMPM46B/pinmap.c	Thu Apr 19 17:12:19 2018 +0100
@@ -0,0 +1,106 @@
+/* mbed Microcontroller Library
+ * (C)Copyright TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION 2017 All rights reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "mbed_assert.h"
+#include "pinmap.h"
+#include "tmpm46b_gpio.h"
+
+#define PIN_FUNC_MAX        6
+
+void pin_function(PinName pin, int function)
+{
+    uint32_t port = 0;
+    uint8_t bit = 0;
+    uint8_t i = 0;
+    uint8_t func = 0;
+    uint8_t dir = 0;
+
+    // Assert that pin is valid
+    MBED_ASSERT(pin != NC);
+
+    // Calculate pin function and pin direction
+    func = PIN_FUNC(function);
+    dir  = PIN_DIR(function);
+    // Calculate port and pin position
+    port = PIN_PORT(pin);
+    bit  = PIN_POS(pin);
+    // Set function if function is in range
+    if (func <= PIN_FUNC_MAX) {
+        // Disable other functions
+        for (i = 0; i < PIN_FUNC_MAX; i++) {
+            if (i != (func - 1)) {
+                GPIO_DisableFuncReg((GPIO_Port)port, i, (1 << bit));
+            }
+        }
+        // Set pin function
+        if (func) {
+            GPIO_EnableFuncReg((GPIO_Port)port, (uint8_t)(func - 1), (1 << bit));
+        }
+    }
+
+    // Set direction if direction is in range
+    switch (dir) {
+        case PIN_INPUT:
+            GPIO_SetInputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
+            GPIO_SetOutputEnableReg((GPIO_Port)port, (1 << bit), DISABLE);
+            break;
+        case PIN_OUTPUT:
+            GPIO_SetOutputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
+            GPIO_SetInputEnableReg((GPIO_Port)port, (1 << bit), DISABLE);
+            break;
+        case PIN_INOUT:
+            GPIO_SetOutputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
+            GPIO_SetInputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
+            break;
+        default:
+            break;
+    }
+}
+
+void pin_mode(PinName pin, PinMode mode)
+{
+    uint32_t port = 0;
+    uint8_t bit = 0;
+
+    // Assert that pin is valid
+    MBED_ASSERT(pin != NC);
+
+    // Check if function is in range
+    if (mode > OpenDrain) {
+        return;
+    }
+    // Calculate port and pin position
+    port = PIN_PORT(pin);
+    bit = PIN_POS(pin);
+    // Set pin mode
+    switch (mode) {
+        case PullNone:
+            GPIO_SetPullUp((GPIO_Port)port, (1 << bit), DISABLE);
+            GPIO_SetPullDown((GPIO_Port)port, (1 << bit), DISABLE);
+            GPIO_SetOpenDrain((GPIO_Port)port, (1 << bit), DISABLE);
+            break;
+        case PullUp:
+            GPIO_SetPullUp((GPIO_Port)port, (1 << bit), ENABLE);
+            break;
+        case PullDown:
+            GPIO_SetPullDown((GPIO_Port)port, (1 << bit), ENABLE);
+            break;
+        case OpenDrain:
+            GPIO_SetOpenDrain((GPIO_Port)port, (1 << bit), ENABLE);
+            break;
+        default:
+            break;
+    }
+}