mirror of https://github.com/ARMmbed/mbed-os.git
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed_assert.h"
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#include "pinmap.h"
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#include "mbed_error.h"
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#include "rda_ccfg_api.h"
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void pin_function(PinName pin, int function)
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{
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int index = pin >> PORT_SHIFT;
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int raw_ofst = pin & 0x00FF;
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int offset;
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MBED_ASSERT(pin != (PinName)NC);
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switch (index) {
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case 1:
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if ((8 == raw_ofst) && (rda_ccfg_hwver() >= 5)) {
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function ^= 0x01;
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}
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break;
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case 4:
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if (1 < raw_ofst) {
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offset = raw_ofst << 1;
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RDA_PINCFG->MODE2 &= ~(0x03UL << offset);
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}
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break;
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case 5:
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if (2 > raw_ofst) {
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offset = (raw_ofst << 1) + 20;
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RDA_PINCFG->MODE2 &= ~(0x03UL << offset);
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} else {
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offset = (raw_ofst << 1) - 4;
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RDA_PINCFG->MODE3 &= ~(0x03UL << offset);
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}
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break;
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default:
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break;
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}
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offset = raw_ofst * 3;
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RDA_PINCFG->IOMUXCTRL[index] &= ~(0x07UL << offset);
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RDA_PINCFG->IOMUXCTRL[index] |= ((function & 0x07UL) << offset);
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}
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void pin_mode(PinName pin, PinMode mode)
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{
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MBED_ASSERT(pin != (PinName)NC);
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}
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