mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

targets/TARGET_RDA/TARGET_UNO_91H/port_api.c@189:f392fc9709a3, 2019-02-20 (annotated)

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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /* mbed Microcontroller Library
AnnaBridge 189:f392fc9709a3 2 * Copyright (c) 2006-2018 ARM Limited
AnnaBridge 189:f392fc9709a3 3 *
AnnaBridge 189:f392fc9709a3 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 189:f392fc9709a3 5 * you may not use this file except in compliance with the License.
AnnaBridge 189:f392fc9709a3 6 * You may obtain a copy of the License at
AnnaBridge 189:f392fc9709a3 7 *
AnnaBridge 189:f392fc9709a3 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 189:f392fc9709a3 9 *
AnnaBridge 189:f392fc9709a3 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 189:f392fc9709a3 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 189:f392fc9709a3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 189:f392fc9709a3 13 * See the License for the specific language governing permissions and
AnnaBridge 189:f392fc9709a3 14 * limitations under the License.
AnnaBridge 189:f392fc9709a3 15 */
AnnaBridge 189:f392fc9709a3 16 #include "port_api.h"
AnnaBridge 189:f392fc9709a3 17 #include "pinmap.h"
AnnaBridge 189:f392fc9709a3 18 #include "gpio_api.h"
AnnaBridge 189:f392fc9709a3 19
AnnaBridge 189:f392fc9709a3 20 extern PinName gpio_pinname(int pin_n);
AnnaBridge 189:f392fc9709a3 21
AnnaBridge 189:f392fc9709a3 22 PinName port_pin(PortName port, int pin_n)
AnnaBridge 189:f392fc9709a3 23 {
AnnaBridge 189:f392fc9709a3 24 return (PinName)((port << PORT_SHIFT) | pin_n);
AnnaBridge 189:f392fc9709a3 25 }
AnnaBridge 189:f392fc9709a3 26
AnnaBridge 189:f392fc9709a3 27 void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
AnnaBridge 189:f392fc9709a3 28 {
AnnaBridge 189:f392fc9709a3 29 uint32_t i;
AnnaBridge 189:f392fc9709a3 30
AnnaBridge 189:f392fc9709a3 31 obj->port = port;
AnnaBridge 189:f392fc9709a3 32 obj->mask = mask;
AnnaBridge 189:f392fc9709a3 33
AnnaBridge 189:f392fc9709a3 34 obj->reg_out = &RDA_GPIO->DOUT;
AnnaBridge 189:f392fc9709a3 35 obj->reg_in = &RDA_GPIO->DIN;
AnnaBridge 189:f392fc9709a3 36 obj->reg_dir = &RDA_GPIO->DIR;
AnnaBridge 189:f392fc9709a3 37
AnnaBridge 189:f392fc9709a3 38 // The mode is set per pin: reuse gpio logic
AnnaBridge 189:f392fc9709a3 39 for (i = 0; i < 32; i++) {
AnnaBridge 189:f392fc9709a3 40 if (obj->mask & (1 << i)) {
AnnaBridge 189:f392fc9709a3 41 // For RDA5991H, port0,1,4,5 is about IOMUX, not GPIO number, cannot use port_pin here
AnnaBridge 189:f392fc9709a3 42 //gpio_set(port_pin(obj->port, i));
AnnaBridge 189:f392fc9709a3 43 gpio_set(gpio_pinname(i));
AnnaBridge 189:f392fc9709a3 44 }
AnnaBridge 189:f392fc9709a3 45 }
AnnaBridge 189:f392fc9709a3 46
AnnaBridge 189:f392fc9709a3 47 port_dir(obj, dir);
AnnaBridge 189:f392fc9709a3 48 }
AnnaBridge 189:f392fc9709a3 49
AnnaBridge 189:f392fc9709a3 50 void port_mode(port_t *obj, PinMode mode)
AnnaBridge 189:f392fc9709a3 51 {
AnnaBridge 189:f392fc9709a3 52 uint32_t i;
AnnaBridge 189:f392fc9709a3 53 // The mode is set per pin: reuse pinmap logic
AnnaBridge 189:f392fc9709a3 54 for (i = 0; i < 32; i++) {
AnnaBridge 189:f392fc9709a3 55 if (obj->mask & (1 <<i )) {
AnnaBridge 189:f392fc9709a3 56 pin_mode(port_pin(obj->port, i), mode);
AnnaBridge 189:f392fc9709a3 57 }
AnnaBridge 189:f392fc9709a3 58 }
AnnaBridge 189:f392fc9709a3 59 }
AnnaBridge 189:f392fc9709a3 60
AnnaBridge 189:f392fc9709a3 61 void port_dir(port_t *obj, PinDirection dir)
AnnaBridge 189:f392fc9709a3 62 {
AnnaBridge 189:f392fc9709a3 63 switch (dir) {
AnnaBridge 189:f392fc9709a3 64 case PIN_INPUT :
AnnaBridge 189:f392fc9709a3 65 *obj->reg_dir |= obj->mask;
AnnaBridge 189:f392fc9709a3 66 break;
AnnaBridge 189:f392fc9709a3 67 case PIN_OUTPUT:
AnnaBridge 189:f392fc9709a3 68 *obj->reg_dir &= ~obj->mask;
AnnaBridge 189:f392fc9709a3 69 break;
AnnaBridge 189:f392fc9709a3 70 }
AnnaBridge 189:f392fc9709a3 71 }
AnnaBridge 189:f392fc9709a3 72
AnnaBridge 189:f392fc9709a3 73 void port_write(port_t *obj, int value)
AnnaBridge 189:f392fc9709a3 74 {
AnnaBridge 189:f392fc9709a3 75 *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
AnnaBridge 189:f392fc9709a3 76 }
AnnaBridge 189:f392fc9709a3 77
AnnaBridge 189:f392fc9709a3 78 int port_read(port_t *obj)
AnnaBridge 189:f392fc9709a3 79 {
AnnaBridge 189:f392fc9709a3 80 return (*obj->reg_in & obj->mask);
AnnaBridge 189:f392fc9709a3 81 }