mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_Cypress/TARGET_PSOC6/pinmap.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 188:bcfe06ba3d64 1 /*
AnnaBridge 188:bcfe06ba3d64 2 * mbed Microcontroller Library
AnnaBridge 188:bcfe06ba3d64 3 * Copyright (c) 2017-2018 Future Electronics
AnnaBridge 188:bcfe06ba3d64 4 *
AnnaBridge 188:bcfe06ba3d64 5 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 188:bcfe06ba3d64 6 * you may not use this file except in compliance with the License.
AnnaBridge 188:bcfe06ba3d64 7 * You may obtain a copy of the License at
AnnaBridge 188:bcfe06ba3d64 8 *
AnnaBridge 188:bcfe06ba3d64 9 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 188:bcfe06ba3d64 10 *
AnnaBridge 188:bcfe06ba3d64 11 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 188:bcfe06ba3d64 12 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 188:bcfe06ba3d64 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 188:bcfe06ba3d64 14 * See the License for the specific language governing permissions and
AnnaBridge 188:bcfe06ba3d64 15 * limitations under the License.
AnnaBridge 188:bcfe06ba3d64 16 */
AnnaBridge 188:bcfe06ba3d64 17
AnnaBridge 188:bcfe06ba3d64 18 #include "mbed_assert.h"
AnnaBridge 188:bcfe06ba3d64 19 #include "pinmap.h"
AnnaBridge 188:bcfe06ba3d64 20 #include "mbed_error.h"
AnnaBridge 188:bcfe06ba3d64 21 #include "cy_gpio.h"
AnnaBridge 188:bcfe06ba3d64 22 #include "psoc6_utils.h"
AnnaBridge 188:bcfe06ba3d64 23
AnnaBridge 188:bcfe06ba3d64 24 void pin_function(PinName pin, int function)
AnnaBridge 188:bcfe06ba3d64 25 {
AnnaBridge 188:bcfe06ba3d64 26 if (pin != NC) {
AnnaBridge 188:bcfe06ba3d64 27 GPIO_PRT_Type *port = Cy_GPIO_PortToAddr(CY_PORT(pin));
AnnaBridge 188:bcfe06ba3d64 28 uint32_t mode = gpio_get_cy_drive_mode(CY_PIN_DIRECTION(function), CY_PIN_MODE(function));
AnnaBridge 188:bcfe06ba3d64 29
AnnaBridge 188:bcfe06ba3d64 30 Cy_GPIO_Pin_FastInit(port, CY_PIN(pin), mode, 1, CY_PIN_HSIOM(function));
AnnaBridge 188:bcfe06ba3d64 31 // Force output to enable pulls.
AnnaBridge 188:bcfe06ba3d64 32 switch (mode) {
AnnaBridge 188:bcfe06ba3d64 33 case CY_GPIO_DM_PULLUP:
AnnaBridge 188:bcfe06ba3d64 34 Cy_GPIO_Write(port, CY_PIN(pin), 1);
AnnaBridge 188:bcfe06ba3d64 35 break;
AnnaBridge 188:bcfe06ba3d64 36 case CY_GPIO_DM_PULLDOWN:
AnnaBridge 188:bcfe06ba3d64 37 Cy_GPIO_Write(port, CY_PIN(pin), 0);
AnnaBridge 188:bcfe06ba3d64 38 break;
AnnaBridge 188:bcfe06ba3d64 39 default:
AnnaBridge 188:bcfe06ba3d64 40 /* do nothing */
AnnaBridge 188:bcfe06ba3d64 41 break;
AnnaBridge 188:bcfe06ba3d64 42 }
AnnaBridge 188:bcfe06ba3d64 43 }
AnnaBridge 188:bcfe06ba3d64 44 }
AnnaBridge 188:bcfe06ba3d64 45
AnnaBridge 188:bcfe06ba3d64 46 void pin_mode(PinName pin, PinMode mode)
AnnaBridge 188:bcfe06ba3d64 47 {
AnnaBridge 188:bcfe06ba3d64 48 if (pin != NC) {
AnnaBridge 188:bcfe06ba3d64 49 uint32_t cymode = gpio_get_cy_drive_mode(PIN_INPUT, mode);
AnnaBridge 188:bcfe06ba3d64 50 GPIO_PRT_Type *port = Cy_GPIO_PortToAddr(CY_PORT(pin));
AnnaBridge 188:bcfe06ba3d64 51
AnnaBridge 188:bcfe06ba3d64 52 Cy_GPIO_SetDrivemode(port, CY_PIN(pin), cymode);
AnnaBridge 188:bcfe06ba3d64 53
AnnaBridge 188:bcfe06ba3d64 54 // Force output to enable pulls.
AnnaBridge 188:bcfe06ba3d64 55 switch (cymode) {
AnnaBridge 188:bcfe06ba3d64 56 case CY_GPIO_DM_PULLUP:
AnnaBridge 188:bcfe06ba3d64 57 Cy_GPIO_Write(port, CY_PIN(pin), 1);
AnnaBridge 188:bcfe06ba3d64 58 break;
AnnaBridge 188:bcfe06ba3d64 59 case CY_GPIO_DM_PULLDOWN:
AnnaBridge 188:bcfe06ba3d64 60 Cy_GPIO_Write(port, CY_PIN(pin), 0);
AnnaBridge 188:bcfe06ba3d64 61 break;
AnnaBridge 188:bcfe06ba3d64 62 default:
AnnaBridge 188:bcfe06ba3d64 63 /* do nothing */
AnnaBridge 188:bcfe06ba3d64 64 break;
AnnaBridge 188:bcfe06ba3d64 65 }
AnnaBridge 188:bcfe06ba3d64 66 }
AnnaBridge 188:bcfe06ba3d64 67 }