mirror of https://github.com/ARMmbed/mbed-os.git
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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* mbed Microcontroller Library
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* Copyright (c) 2017-2018 Future Electronics
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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 "cy_gpio.h"
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#include "psoc6_utils.h"
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void pin_function(PinName pin, int function)
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{
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if (pin != NC) {
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GPIO_PRT_Type *port = Cy_GPIO_PortToAddr(CY_PORT(pin));
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uint32_t mode = gpio_get_cy_drive_mode(CY_PIN_DIRECTION(function), CY_PIN_MODE(function));
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Cy_GPIO_Pin_FastInit(port, CY_PIN(pin), mode, 1, CY_PIN_HSIOM(function));
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// Force output to enable pulls.
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switch (mode) {
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case CY_GPIO_DM_PULLUP:
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Cy_GPIO_Write(port, CY_PIN(pin), 1);
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break;
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case CY_GPIO_DM_PULLDOWN:
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Cy_GPIO_Write(port, CY_PIN(pin), 0);
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break;
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default:
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/* do nothing */
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break;
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}
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}
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}
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void pin_mode(PinName pin, PinMode mode)
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{
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if (pin != NC) {
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uint32_t cymode = gpio_get_cy_drive_mode(PIN_INPUT, mode);
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GPIO_PRT_Type *port = Cy_GPIO_PortToAddr(CY_PORT(pin));
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Cy_GPIO_SetDrivemode(port, CY_PIN(pin), cymode);
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// Force output to enable pulls.
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switch (cymode) {
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case CY_GPIO_DM_PULLUP:
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Cy_GPIO_Write(port, CY_PIN(pin), 1);
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break;
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case CY_GPIO_DM_PULLDOWN:
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Cy_GPIO_Write(port, CY_PIN(pin), 0);
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break;
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default:
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/* do nothing */
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break;
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}
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}
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}
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