philippe s. / mbed-dev

mbed library sources. Supersedes mbed-src. Fixes analogIn and analogOut problems for TARGET_STM32F3. Tested on NUCLEO-F303K8, using 3 analogout and 7 analogin channels simultaneously. Added ability for STM32F334R8 and STM32F303K8 to use all three channels of DAC simultaneously. https://developer.mbed.org/users/StevieWray/code/mbed-dev/ Added ability for TARGET_STM32F3 to use more than one ADC simultaneously. https://developer.mbed.org/questions/67997/NUCLEO-F303K8ADC/

Fork of mbed-dev by mbed official

common/SPISlave.cpp@70:b3a5af880266, 2016-02-23 (annotated)

Committer:
neurofun
Date:
Tue Feb 23 21:59:35 2016 +0000
Revision:
70:b3a5af880266
Parent:
0:9b334a45a8ff 
Edited DAC routines to allow for the simultaneous use of three channels from two DACs as seen on the STM32F334R8 and STM32F303K8. Edited ADC routines to allow for the simultaneous use of more than one ADC.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:9b334a45a8ff 5 * you may not use this file except in compliance with the License.
bogdanm 0:9b334a45a8ff 6 * You may obtain a copy of the License at
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:9b334a45a8ff 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:9b334a45a8ff 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:9b334a45a8ff 13 * See the License for the specific language governing permissions and
bogdanm 0:9b334a45a8ff 14 * limitations under the License.
bogdanm 0:9b334a45a8ff 15 */
bogdanm 0:9b334a45a8ff 16 #include "SPISlave.h"
bogdanm 0:9b334a45a8ff 17
bogdanm 0:9b334a45a8ff 18 #if DEVICE_SPISLAVE
bogdanm 0:9b334a45a8ff 19
bogdanm 0:9b334a45a8ff 20 namespace mbed {
bogdanm 0:9b334a45a8ff 21
bogdanm 0:9b334a45a8ff 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
bogdanm 0:9b334a45a8ff 23 _spi(),
bogdanm 0:9b334a45a8ff 24 _bits(8),
bogdanm 0:9b334a45a8ff 25 _mode(0),
bogdanm 0:9b334a45a8ff 26 _hz(1000000)
bogdanm 0:9b334a45a8ff 27 {
bogdanm 0:9b334a45a8ff 28 spi_init(&_spi, mosi, miso, sclk, ssel);
bogdanm 0:9b334a45a8ff 29 spi_format(&_spi, _bits, _mode, 1);
bogdanm 0:9b334a45a8ff 30 spi_frequency(&_spi, _hz);
bogdanm 0:9b334a45a8ff 31 }
bogdanm 0:9b334a45a8ff 32
bogdanm 0:9b334a45a8ff 33 void SPISlave::format(int bits, int mode) {
bogdanm 0:9b334a45a8ff 34 _bits = bits;
bogdanm 0:9b334a45a8ff 35 _mode = mode;
bogdanm 0:9b334a45a8ff 36 spi_format(&_spi, _bits, _mode, 1);
bogdanm 0:9b334a45a8ff 37 }
bogdanm 0:9b334a45a8ff 38
bogdanm 0:9b334a45a8ff 39 void SPISlave::frequency(int hz) {
bogdanm 0:9b334a45a8ff 40 _hz = hz;
bogdanm 0:9b334a45a8ff 41 spi_frequency(&_spi, _hz);
bogdanm 0:9b334a45a8ff 42 }
bogdanm 0:9b334a45a8ff 43
bogdanm 0:9b334a45a8ff 44 int SPISlave::receive(void) {
bogdanm 0:9b334a45a8ff 45 return(spi_slave_receive(&_spi));
bogdanm 0:9b334a45a8ff 46 }
bogdanm 0:9b334a45a8ff 47
bogdanm 0:9b334a45a8ff 48 int SPISlave::read(void) {
bogdanm 0:9b334a45a8ff 49 return(spi_slave_read(&_spi));
bogdanm 0:9b334a45a8ff 50 }
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 void SPISlave::reply(int value) {
bogdanm 0:9b334a45a8ff 53 spi_slave_write(&_spi, value);
bogdanm 0:9b334a45a8ff 54 }
bogdanm 0:9b334a45a8ff 55
bogdanm 0:9b334a45a8ff 56 } // namespace mbed
bogdanm 0:9b334a45a8ff 57
bogdanm 0:9b334a45a8ff 58 #endif