mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

targets/TARGET_TOSHIBA/TARGET_TMPM066/pinmap.c@181:57724642e740, 2018-02-16 (annotated)

Committer:
AnnaBridge
Date:
Fri Feb 16 16:09:33 2018 +0000
Revision:
181:57724642e740
Parent:
172:7d866c31b3c5 
mbed-dev library. Release version 159.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 172:7d866c31b3c5 1 /* mbed Microcontroller Library
AnnaBridge 172:7d866c31b3c5 2 * (C)Copyright TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION 2017 All rights reserved
AnnaBridge 172:7d866c31b3c5 3 *
AnnaBridge 172:7d866c31b3c5 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 172:7d866c31b3c5 5 * you may not use this file except in compliance with the License.
AnnaBridge 172:7d866c31b3c5 6 * You may obtain a copy of the License at
AnnaBridge 172:7d866c31b3c5 7 *
AnnaBridge 172:7d866c31b3c5 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 172:7d866c31b3c5 9 *
AnnaBridge 172:7d866c31b3c5 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 172:7d866c31b3c5 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 172:7d866c31b3c5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 172:7d866c31b3c5 13 * See the License for the specific language governing permissions and
AnnaBridge 172:7d866c31b3c5 14 * limitations under the License.
AnnaBridge 172:7d866c31b3c5 15 */
AnnaBridge 172:7d866c31b3c5 16 #include "mbed_assert.h"
AnnaBridge 172:7d866c31b3c5 17 #include "pinmap.h"
AnnaBridge 172:7d866c31b3c5 18 #include "tmpm066_gpio.h"
AnnaBridge 172:7d866c31b3c5 19
AnnaBridge 172:7d866c31b3c5 20 #define PIN_FUNC_MAX 6
AnnaBridge 172:7d866c31b3c5 21
AnnaBridge 172:7d866c31b3c5 22 void pin_function(PinName pin, int function)
AnnaBridge 172:7d866c31b3c5 23 {
AnnaBridge 172:7d866c31b3c5 24 uint32_t port = 0;
AnnaBridge 172:7d866c31b3c5 25 uint8_t bit = 0;
AnnaBridge 172:7d866c31b3c5 26 uint8_t i = 0;
AnnaBridge 172:7d866c31b3c5 27 uint8_t func = 0;
AnnaBridge 172:7d866c31b3c5 28 uint8_t dir = 0;
AnnaBridge 172:7d866c31b3c5 29
AnnaBridge 172:7d866c31b3c5 30 // Assert that pin is valid
AnnaBridge 172:7d866c31b3c5 31 MBED_ASSERT(pin != NC);
AnnaBridge 172:7d866c31b3c5 32
AnnaBridge 172:7d866c31b3c5 33 // Calculate pin function and pin direction
AnnaBridge 172:7d866c31b3c5 34 func = PIN_FUNC(function);
AnnaBridge 172:7d866c31b3c5 35 dir = PIN_DIR(function);
AnnaBridge 172:7d866c31b3c5 36 // Calculate port and pin position
AnnaBridge 172:7d866c31b3c5 37 port = PIN_PORT(pin);
AnnaBridge 172:7d866c31b3c5 38 bit = PIN_POS(pin);
AnnaBridge 172:7d866c31b3c5 39 // Set function if function is in range
AnnaBridge 172:7d866c31b3c5 40 if (func <= PIN_FUNC_MAX) {
AnnaBridge 172:7d866c31b3c5 41 // Disable other functions
AnnaBridge 172:7d866c31b3c5 42 for (i = 0; i < PIN_FUNC_MAX; i++) {
AnnaBridge 172:7d866c31b3c5 43 if (i != (func - 1)) {
AnnaBridge 172:7d866c31b3c5 44 GPIO_DisableFuncReg((GPIO_Port)port, i, (1 << bit));
AnnaBridge 172:7d866c31b3c5 45 }
AnnaBridge 172:7d866c31b3c5 46 }
AnnaBridge 172:7d866c31b3c5 47 // Set pin function
AnnaBridge 172:7d866c31b3c5 48 if (func) {
AnnaBridge 172:7d866c31b3c5 49 GPIO_EnableFuncReg((GPIO_Port)port, (uint8_t)(func - 1), (1 << bit));
AnnaBridge 172:7d866c31b3c5 50 }
AnnaBridge 172:7d866c31b3c5 51 }
AnnaBridge 172:7d866c31b3c5 52
AnnaBridge 172:7d866c31b3c5 53 // Set direction if direction is in range
AnnaBridge 172:7d866c31b3c5 54 switch (dir) {
AnnaBridge 172:7d866c31b3c5 55 case PIN_INPUT:
AnnaBridge 172:7d866c31b3c5 56 GPIO_SetInputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 57 GPIO_SetOutputEnableReg((GPIO_Port)port, (1 << bit), DISABLE);
AnnaBridge 172:7d866c31b3c5 58 break;
AnnaBridge 172:7d866c31b3c5 59 case PIN_OUTPUT:
AnnaBridge 172:7d866c31b3c5 60 GPIO_SetOutputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 61 GPIO_SetInputEnableReg((GPIO_Port)port, (1 << bit), DISABLE);
AnnaBridge 172:7d866c31b3c5 62 break;
AnnaBridge 172:7d866c31b3c5 63 case PIN_INOUT:
AnnaBridge 172:7d866c31b3c5 64 GPIO_SetOutputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 65 GPIO_SetInputEnableReg((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 66 break;
AnnaBridge 172:7d866c31b3c5 67 default:
AnnaBridge 172:7d866c31b3c5 68 break;
AnnaBridge 172:7d866c31b3c5 69 }
AnnaBridge 172:7d866c31b3c5 70 }
AnnaBridge 172:7d866c31b3c5 71
AnnaBridge 172:7d866c31b3c5 72 void pin_mode(PinName pin, PinMode mode)
AnnaBridge 172:7d866c31b3c5 73 {
AnnaBridge 172:7d866c31b3c5 74 uint32_t port = 0;
AnnaBridge 172:7d866c31b3c5 75 uint8_t bit = 0;
AnnaBridge 172:7d866c31b3c5 76
AnnaBridge 172:7d866c31b3c5 77 // Assert that pin is valid
AnnaBridge 172:7d866c31b3c5 78 MBED_ASSERT(pin != NC);
AnnaBridge 172:7d866c31b3c5 79
AnnaBridge 172:7d866c31b3c5 80 // Check if function is in range
AnnaBridge 172:7d866c31b3c5 81 if (mode > OpenDrain) {
AnnaBridge 172:7d866c31b3c5 82 return;
AnnaBridge 172:7d866c31b3c5 83 }
AnnaBridge 172:7d866c31b3c5 84 // Calculate port and pin position
AnnaBridge 172:7d866c31b3c5 85 port = PIN_PORT(pin);
AnnaBridge 172:7d866c31b3c5 86 bit = PIN_POS(pin);
AnnaBridge 172:7d866c31b3c5 87 // Set pin mode
AnnaBridge 172:7d866c31b3c5 88 switch (mode) {
AnnaBridge 172:7d866c31b3c5 89 case PullNone:
AnnaBridge 172:7d866c31b3c5 90 GPIO_SetPullUp((GPIO_Port)port, (1 << bit), DISABLE);
AnnaBridge 172:7d866c31b3c5 91 GPIO_SetPullDown((GPIO_Port)port, (1 << bit), DISABLE);
AnnaBridge 172:7d866c31b3c5 92 GPIO_SetOpenDrain((GPIO_Port)port, (1 << bit), DISABLE);
AnnaBridge 172:7d866c31b3c5 93 break;
AnnaBridge 172:7d866c31b3c5 94 case PullUp:
AnnaBridge 172:7d866c31b3c5 95 GPIO_SetPullUp((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 96 break;
AnnaBridge 172:7d866c31b3c5 97 case PullDown:
AnnaBridge 172:7d866c31b3c5 98 GPIO_SetPullDown((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 99 break;
AnnaBridge 172:7d866c31b3c5 100 case OpenDrain:
AnnaBridge 172:7d866c31b3c5 101 GPIO_SetOpenDrain((GPIO_Port)port, (1 << bit), ENABLE);
AnnaBridge 172:7d866c31b3c5 102 break;
AnnaBridge 172:7d866c31b3c5 103 default:
AnnaBridge 172:7d866c31b3c5 104 break;
AnnaBridge 172:7d866c31b3c5 105 }
AnnaBridge 172:7d866c31b3c5 106 }