0ef1717155
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99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*
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* Copyright (c) 2020, Nuvoton Technology Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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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 <arm_cmse.h>
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#include "mbed_assert.h"
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#include "pinmap.h"
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#include "PortNames.h"
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#include "PeripheralNames.h"
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#include "mbed_error.h"
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/**
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* Configure pin multi-function
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*/
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void pin_function(PinName pin, int data)
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{
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MBED_ASSERT(pin != (PinName)NC);
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uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
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uint32_t port_index = NU_PINNAME_TO_PORT(pin);
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nu_pin_function_s(port_index, pin_index, (uint32_t) data);
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}
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/**
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* Configure pin pull-up/pull-down
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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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uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
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uint32_t port_index = NU_PINNAME_TO_PORT(pin);
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GPIO_T *gpio_base = NU_PORT_BASE(port_index);
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uint32_t mode_intern = GPIO_MODE_INPUT;
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switch (mode) {
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case InputOnly:
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mode_intern = GPIO_MODE_INPUT;
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break;
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case PushPullOutput:
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mode_intern = GPIO_MODE_OUTPUT;
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break;
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case OpenDrain:
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mode_intern = GPIO_MODE_OPEN_DRAIN;
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break;
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case QuasiBidirectional:
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mode_intern = GPIO_MODE_QUASI;
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break;
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default:
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/* H/W doesn't support separate configuration for input pull mode/direction.
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* We expect upper layer would have translated input pull mode/direction
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* to I/O mode */
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return;
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}
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GPIO_SetMode(gpio_base, 1 << pin_index, mode_intern);
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/* Invalid combinations of PinMode/PinDirection
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*
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* We assume developer would avoid the following combinations of PinMode/PinDirection
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* which are invalid:
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* 1. InputOnly/PIN_OUTPUT
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* 2. PushPullOutput/PIN_INPUT
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*/
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}
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/* List of peripherals excluded from testing */
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const PeripheralList *pinmap_restricted_peripherals()
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{
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static const int perifs[] = {
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USB_UART, // Dedicated to USB VCOM
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};
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static const PeripheralList peripheral_list = {
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sizeof(perifs) / sizeof(perifs[0]),
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perifs
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};
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return &peripheral_list;
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}
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