mbed official
mbed library sources
Dependents: Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more
Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Last commit 20 Feb 2019 by 
mbed official
targets/hal/TARGET_WIZNET/TARGET_W7500x/analogin_api.c@619:034e698bc035, 2015-09-04 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Sep 04 09:30:10 2015 +0100
- Revision:
- 619:034e698bc035
- Parent:
- 558:0880f51c4036
Synchronized with git revision 92d1bfad30082571776c810a56fd471d30514ccf
Full URL: https://github.com/mbedmicro/mbed/commit/92d1bfad30082571776c810a56fd471d30514ccf/
Change directory structure and move files.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 558:0880f51c4036 | 1 | /* mbed Microcontroller Library |
| mbed_official | 558:0880f51c4036 | 2 | ******************************************************************************* |
| mbed_official | 558:0880f51c4036 | 3 | * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved. |
| mbed_official | 558:0880f51c4036 | 4 | * All rights reserved. |
| mbed_official | 558:0880f51c4036 | 5 | * |
| mbed_official | 558:0880f51c4036 | 6 | * Redistribution and use in source and binary forms, with or without |
| mbed_official | 558:0880f51c4036 | 7 | * modification, are permitted provided that the following conditions are met: |
| mbed_official | 558:0880f51c4036 | 8 | * |
| mbed_official | 558:0880f51c4036 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 558:0880f51c4036 | 10 | * this list of conditions and the following disclaimer. |
| mbed_official | 558:0880f51c4036 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 558:0880f51c4036 | 12 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 558:0880f51c4036 | 13 | * and/or other materials provided with the distribution. |
| mbed_official | 558:0880f51c4036 | 14 | * 3. Neither the name of ARM Limited nor the names of its contributors |
| mbed_official | 558:0880f51c4036 | 15 | * may be used to endorse or promote products derived from this software |
| mbed_official | 558:0880f51c4036 | 16 | * without specific prior written permission. |
| mbed_official | 558:0880f51c4036 | 17 | * |
| mbed_official | 558:0880f51c4036 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 558:0880f51c4036 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 558:0880f51c4036 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 558:0880f51c4036 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 558:0880f51c4036 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 558:0880f51c4036 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 558:0880f51c4036 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 558:0880f51c4036 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 558:0880f51c4036 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 558:0880f51c4036 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 558:0880f51c4036 | 28 | ******************************************************************************* |
| mbed_official | 558:0880f51c4036 | 29 | */ |
| mbed_official | 558:0880f51c4036 | 30 | |
| mbed_official | 558:0880f51c4036 | 31 | #include "mbed_assert.h" |
| mbed_official | 558:0880f51c4036 | 32 | #include "analogin_api.h" |
| mbed_official | 558:0880f51c4036 | 33 | |
| mbed_official | 558:0880f51c4036 | 34 | #if DEVICE_ANALOGIN |
| mbed_official | 558:0880f51c4036 | 35 | |
| mbed_official | 558:0880f51c4036 | 36 | #include "wait_api.h" |
| mbed_official | 558:0880f51c4036 | 37 | #include "cmsis.h" |
| mbed_official | 558:0880f51c4036 | 38 | #include "pinmap.h" |
| mbed_official | 619:034e698bc035 | 39 | #include "W7500x_adc.h" |
| mbed_official | 558:0880f51c4036 | 40 | #include "PeripheralPins.h" |
| mbed_official | 558:0880f51c4036 | 41 | |
| mbed_official | 558:0880f51c4036 | 42 | |
| mbed_official | 558:0880f51c4036 | 43 | ADC_TypeDef * AdcHandle; |
| mbed_official | 558:0880f51c4036 | 44 | |
| mbed_official | 558:0880f51c4036 | 45 | static int adc_inited = 0; |
| mbed_official | 558:0880f51c4036 | 46 | |
| mbed_official | 558:0880f51c4036 | 47 | void analogin_init(analogin_t *obj, PinName pin) |
| mbed_official | 558:0880f51c4036 | 48 | { |
| mbed_official | 558:0880f51c4036 | 49 | // Get the peripheral name from the pin and assign it to the object |
| mbed_official | 558:0880f51c4036 | 50 | obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); |
| mbed_official | 558:0880f51c4036 | 51 | |
| mbed_official | 558:0880f51c4036 | 52 | MBED_ASSERT(obj->adc != (ADCName)NC); |
| mbed_official | 558:0880f51c4036 | 53 | |
| mbed_official | 558:0880f51c4036 | 54 | // Configure GPIO |
| mbed_official | 558:0880f51c4036 | 55 | pinmap_pinout(pin, PinMap_ADC); |
| mbed_official | 558:0880f51c4036 | 56 | |
| mbed_official | 558:0880f51c4036 | 57 | // Save pin number for the read function |
| mbed_official | 558:0880f51c4036 | 58 | obj->pin = pin; |
| mbed_official | 558:0880f51c4036 | 59 | |
| mbed_official | 558:0880f51c4036 | 60 | // The ADC initialization is done once |
| mbed_official | 558:0880f51c4036 | 61 | if (adc_inited == 0) { |
| mbed_official | 558:0880f51c4036 | 62 | adc_inited = 1; |
| mbed_official | 558:0880f51c4036 | 63 | |
| mbed_official | 558:0880f51c4036 | 64 | ADC_Init(); |
| mbed_official | 558:0880f51c4036 | 65 | } |
| mbed_official | 558:0880f51c4036 | 66 | } |
| mbed_official | 558:0880f51c4036 | 67 | |
| mbed_official | 558:0880f51c4036 | 68 | static inline uint16_t adc_read(analogin_t *obj) |
| mbed_official | 558:0880f51c4036 | 69 | { |
| mbed_official | 558:0880f51c4036 | 70 | ADC_CH adc_ch; |
| mbed_official | 558:0880f51c4036 | 71 | |
| mbed_official | 558:0880f51c4036 | 72 | switch (obj->pin) { |
| mbed_official | 558:0880f51c4036 | 73 | case PC_15: |
| mbed_official | 558:0880f51c4036 | 74 | adc_ch = ADC_CH0; |
| mbed_official | 558:0880f51c4036 | 75 | break; |
| mbed_official | 558:0880f51c4036 | 76 | case PC_14: |
| mbed_official | 558:0880f51c4036 | 77 | adc_ch = ADC_CH1; |
| mbed_official | 558:0880f51c4036 | 78 | break; |
| mbed_official | 558:0880f51c4036 | 79 | case PC_13: |
| mbed_official | 558:0880f51c4036 | 80 | adc_ch = ADC_CH2; |
| mbed_official | 558:0880f51c4036 | 81 | break; |
| mbed_official | 558:0880f51c4036 | 82 | case PC_12: |
| mbed_official | 558:0880f51c4036 | 83 | adc_ch = ADC_CH3; |
| mbed_official | 558:0880f51c4036 | 84 | break; |
| mbed_official | 558:0880f51c4036 | 85 | case PC_11: |
| mbed_official | 558:0880f51c4036 | 86 | adc_ch = ADC_CH4; |
| mbed_official | 558:0880f51c4036 | 87 | break; |
| mbed_official | 558:0880f51c4036 | 88 | case PC_10: |
| mbed_official | 558:0880f51c4036 | 89 | adc_ch = ADC_CH5; |
| mbed_official | 558:0880f51c4036 | 90 | break; |
| mbed_official | 558:0880f51c4036 | 91 | default: |
| mbed_official | 558:0880f51c4036 | 92 | return 0; |
| mbed_official | 558:0880f51c4036 | 93 | } |
| mbed_official | 558:0880f51c4036 | 94 | |
| mbed_official | 558:0880f51c4036 | 95 | ADC_ChannelSelect(adc_ch); |
| mbed_official | 558:0880f51c4036 | 96 | ADC_Start(); |
| mbed_official | 558:0880f51c4036 | 97 | |
| mbed_official | 558:0880f51c4036 | 98 | // Wait end of conversion and get value |
| mbed_official | 558:0880f51c4036 | 99 | while(ADC_IsInterrupt()); |
| mbed_official | 558:0880f51c4036 | 100 | return ADC_ReadData(); |
| mbed_official | 558:0880f51c4036 | 101 | } |
| mbed_official | 558:0880f51c4036 | 102 | |
| mbed_official | 558:0880f51c4036 | 103 | uint16_t analogin_read_u16(analogin_t *obj) |
| mbed_official | 558:0880f51c4036 | 104 | { |
| mbed_official | 558:0880f51c4036 | 105 | uint16_t value = adc_read(obj); |
| mbed_official | 558:0880f51c4036 | 106 | // 12-bit to 16-bit conversion |
| mbed_official | 558:0880f51c4036 | 107 | return value; |
| mbed_official | 558:0880f51c4036 | 108 | } |
| mbed_official | 558:0880f51c4036 | 109 | |
| mbed_official | 558:0880f51c4036 | 110 | float analogin_read(analogin_t *obj) |
| mbed_official | 558:0880f51c4036 | 111 | { |
| mbed_official | 558:0880f51c4036 | 112 | uint16_t value = adc_read(obj); |
| mbed_official | 558:0880f51c4036 | 113 | |
| mbed_official | 558:0880f51c4036 | 114 | return (float)value * (1.0f / (float)0xFFF); // 12 bits range |
| mbed_official | 558:0880f51c4036 | 115 | } |
| mbed_official | 558:0880f51c4036 | 116 | |
| mbed_official | 558:0880f51c4036 | 117 | #endif |
