mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_NUVOTON/TARGET_NANO100/pinmap.c@181:57724642e740, 2018-02-16 (annotated)
- Committer:
- AnnaBridge
- Date:
- Fri Feb 16 16:09:33 2018 +0000
- Revision:
- 181:57724642e740
- Parent:
- 174:b96e65c34a4d
- Child:
- 188:bcfe06ba3d64
mbed-dev library. Release version 159.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 174:b96e65c34a4d | 1 | /* mbed Microcontroller Library |
AnnaBridge | 174:b96e65c34a4d | 2 | * Copyright (c) 2015-2017 Nuvoton |
AnnaBridge | 174:b96e65c34a4d | 3 | * |
AnnaBridge | 174:b96e65c34a4d | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
AnnaBridge | 174:b96e65c34a4d | 5 | * you may not use this file except in compliance with the License. |
AnnaBridge | 174:b96e65c34a4d | 6 | * You may obtain a copy of the License at |
AnnaBridge | 174:b96e65c34a4d | 7 | * |
AnnaBridge | 174:b96e65c34a4d | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
AnnaBridge | 174:b96e65c34a4d | 9 | * |
AnnaBridge | 174:b96e65c34a4d | 10 | * Unless required by applicable law or agreed to in writing, software |
AnnaBridge | 174:b96e65c34a4d | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
AnnaBridge | 174:b96e65c34a4d | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AnnaBridge | 174:b96e65c34a4d | 13 | * See the License for the specific language governing permissions and |
AnnaBridge | 174:b96e65c34a4d | 14 | * limitations under the License. |
AnnaBridge | 174:b96e65c34a4d | 15 | */ |
AnnaBridge | 174:b96e65c34a4d | 16 | |
AnnaBridge | 174:b96e65c34a4d | 17 | #include "mbed_assert.h" |
AnnaBridge | 174:b96e65c34a4d | 18 | #include "pinmap.h" |
AnnaBridge | 174:b96e65c34a4d | 19 | #include "PortNames.h" |
AnnaBridge | 174:b96e65c34a4d | 20 | #include "mbed_error.h" |
AnnaBridge | 174:b96e65c34a4d | 21 | |
AnnaBridge | 174:b96e65c34a4d | 22 | /** |
AnnaBridge | 174:b96e65c34a4d | 23 | * Configure pin multi-function |
AnnaBridge | 174:b96e65c34a4d | 24 | */ |
AnnaBridge | 174:b96e65c34a4d | 25 | void pin_function(PinName pin, int data) |
AnnaBridge | 174:b96e65c34a4d | 26 | { |
AnnaBridge | 174:b96e65c34a4d | 27 | MBED_ASSERT(pin != (PinName)NC); |
AnnaBridge | 174:b96e65c34a4d | 28 | uint32_t pin_index = NU_PINNAME_TO_PIN(pin); |
AnnaBridge | 174:b96e65c34a4d | 29 | uint32_t port_index = NU_PINNAME_TO_PORT(pin); |
AnnaBridge | 174:b96e65c34a4d | 30 | __IO uint32_t *Px_x_MFP = ((__IO uint32_t *) &SYS->PA_L_MFP) + port_index * 2 + (pin_index / 8); |
AnnaBridge | 174:b96e65c34a4d | 31 | uint32_t MFP_Msk = NU_MFP_MSK(pin_index); |
AnnaBridge | 174:b96e65c34a4d | 32 | |
AnnaBridge | 174:b96e65c34a4d | 33 | // E.g.: SYS->PA_L_MFP = (SYS->PA_L_MFP & (~SYS_PA_L_MFP_PA0_MFP_Msk) ) | SYS_PA_L_MFP_PA0_MFP_SC0_CD ; |
AnnaBridge | 174:b96e65c34a4d | 34 | *Px_x_MFP = (*Px_x_MFP & (~MFP_Msk)) | data; |
AnnaBridge | 174:b96e65c34a4d | 35 | } |
AnnaBridge | 174:b96e65c34a4d | 36 | |
AnnaBridge | 174:b96e65c34a4d | 37 | /** |
AnnaBridge | 174:b96e65c34a4d | 38 | * Configure pin pull-up/pull-down |
AnnaBridge | 174:b96e65c34a4d | 39 | */ |
AnnaBridge | 174:b96e65c34a4d | 40 | void pin_mode(PinName pin, PinMode mode) |
AnnaBridge | 174:b96e65c34a4d | 41 | { |
AnnaBridge | 174:b96e65c34a4d | 42 | MBED_ASSERT(pin != (PinName)NC); |
AnnaBridge | 174:b96e65c34a4d | 43 | uint32_t pin_index = NU_PINNAME_TO_PIN(pin); |
AnnaBridge | 174:b96e65c34a4d | 44 | uint32_t port_index = NU_PINNAME_TO_PORT(pin); |
AnnaBridge | 174:b96e65c34a4d | 45 | GPIO_T *gpio_base = NU_PORT_BASE(port_index); |
AnnaBridge | 174:b96e65c34a4d | 46 | |
AnnaBridge | 174:b96e65c34a4d | 47 | uint32_t mode_intern = GPIO_PMD_INPUT; |
AnnaBridge | 174:b96e65c34a4d | 48 | |
AnnaBridge | 174:b96e65c34a4d | 49 | switch (mode) { |
AnnaBridge | 174:b96e65c34a4d | 50 | case PullUp: |
AnnaBridge | 174:b96e65c34a4d | 51 | mode_intern = GPIO_PMD_INPUT; |
AnnaBridge | 174:b96e65c34a4d | 52 | break; |
AnnaBridge | 174:b96e65c34a4d | 53 | |
AnnaBridge | 174:b96e65c34a4d | 54 | case PullDown: |
AnnaBridge | 174:b96e65c34a4d | 55 | case PullNone: |
AnnaBridge | 174:b96e65c34a4d | 56 | // NOTE: Not support |
AnnaBridge | 174:b96e65c34a4d | 57 | return; |
AnnaBridge | 174:b96e65c34a4d | 58 | |
AnnaBridge | 174:b96e65c34a4d | 59 | case PushPull: |
AnnaBridge | 174:b96e65c34a4d | 60 | mode_intern = GPIO_PMD_OUTPUT; |
AnnaBridge | 174:b96e65c34a4d | 61 | break; |
AnnaBridge | 174:b96e65c34a4d | 62 | |
AnnaBridge | 174:b96e65c34a4d | 63 | case OpenDrain: |
AnnaBridge | 174:b96e65c34a4d | 64 | mode_intern = GPIO_PMD_OPEN_DRAIN; |
AnnaBridge | 174:b96e65c34a4d | 65 | break; |
AnnaBridge | 174:b96e65c34a4d | 66 | |
AnnaBridge | 174:b96e65c34a4d | 67 | case Quasi: |
AnnaBridge | 174:b96e65c34a4d | 68 | // NOTE: Not support |
AnnaBridge | 174:b96e65c34a4d | 69 | break; |
AnnaBridge | 174:b96e65c34a4d | 70 | } |
AnnaBridge | 174:b96e65c34a4d | 71 | |
AnnaBridge | 174:b96e65c34a4d | 72 | GPIO_SetMode(gpio_base, 1 << pin_index, mode_intern); |
AnnaBridge | 174:b96e65c34a4d | 73 | } |