revert cc2538
This commit is contained in:
Xenofon (Fontas) Fafoutis
parent
0683d4dc3d
commit
1bb04f2d20
@ -15,8 +15,7 @@ CONTIKI_CPU_DIRS = . dev usb usb/common usb/common/cdc-acm
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### CPU-dependent source files
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CONTIKI_CPU_SOURCEFILES += soc.c clock.c rtimer-arch.c uart.c watchdog.c
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CONTIKI_CPU_SOURCEFILES += nvic.c sys-ctrl.c gpio.c ioc.c adc.c
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CONTIKI_CPU_SOURCEFILES += spi.c spi-dev-arch.c
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CONTIKI_CPU_SOURCEFILES += nvic.c sys-ctrl.c gpio.c ioc.c spi.c adc.c
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CONTIKI_CPU_SOURCEFILES += crypto.c aes.c ecb.c cbc.c ctr.c cbc-mac.c gcm.c
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CONTIKI_CPU_SOURCEFILES += ccm.c sha256.c gpio-hal-arch.c
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CONTIKI_CPU_SOURCEFILES += cc2538-aes-128.c cc2538-ccm-star.c
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@ -1,185 +0,0 @@
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/*
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* Copyright (c) 2016-2017, Yanzi Networks.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdint.h>
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#include "dev/spi-dev.h"
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#include "spi-arch.h"
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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#ifdef PLATFORM_HAS_SPI_DEV_ARCH
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/*---------------------------------------------------------------------------*/
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static void
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spix_wait_tx_ready(int spi_instance)
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{
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int reg = spi_instance == 0 ? SSI0_BASE : SSI1_BASE;
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/* Infinite loop until SR_TNF - Transmit FIFO Not Full */
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while(!(REG(reg + SSI_SR) & SSI_SR_TNF));
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}
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/*---------------------------------------------------------------------------*/
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static int
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spix_read_buf(int spi_instance)
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{
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int reg = spi_instance == 0 ? SSI0_BASE : SSI1_BASE;
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return REG(reg + SSI_DR);
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}
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/*---------------------------------------------------------------------------*/
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static void
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spix_write_buf(int spi_instance, int data)
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{
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int reg = spi_instance == 0 ? SSI0_BASE : SSI1_BASE;
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REG(reg + SSI_DR) = data;
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}
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/*---------------------------------------------------------------------------*/
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static void
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spix_wait_eotx(int spi_instance)
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{
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int reg = spi_instance == 0 ? SSI0_BASE : SSI1_BASE;
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/* wait until not busy */
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while(REG(reg + SSI_SR) & SSI_SR_BSY);
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}
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/*---------------------------------------------------------------------------*/
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static void
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spix_wait_eorx(int spi_instance)
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{
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int reg = spi_instance == 0 ? SSI0_BASE : SSI1_BASE;
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/* wait as long as receive is empty */
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while(!(REG(reg + SSI_SR) & SSI_SR_RNE));
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}
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/*---------------------------------------------------------------------------*/
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spi_dev_status_t
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spi_dev_arch_lock(spi_device_t *dev)
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{
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spi_bus_t *bus;
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bus = dev->bus;
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if(bus->lock) {
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return SPI_DEV_STATUS_BUS_LOCKED;
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}
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/* Add support for timeout also!!! */
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bus->lock = 1;
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bus->lock_device = dev;
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PRINTF("SPI: lock\n");
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return SPI_DEV_STATUS_OK;
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}
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/*---------------------------------------------------------------------------*/
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int
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spi_dev_arch_has_lock(spi_device_t *dev)
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{
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return dev->bus->lock_device == dev;
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}
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/*---------------------------------------------------------------------------*/
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int
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spi_dev_arch_is_bus_locked(spi_device_t *dev)
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{
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return dev->bus->lock;
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}
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/*---------------------------------------------------------------------------*/
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spi_dev_status_t
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spi_dev_arch_unlock(spi_device_t *dev)
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{
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dev->bus->lock = 0;
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dev->bus->lock_device = NULL;
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PRINTF("SPI: unlock\n");
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return SPI_DEV_STATUS_OK;
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}
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/*---------------------------------------------------------------------------*/
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spi_dev_status_t
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spi_dev_arch_restart_timeout(spi_device_t *dev)
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{
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/* do nothing at the moment */
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return SPI_DEV_STATUS_OK;
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}
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/*---------------------------------------------------------------------------*/
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/* Assumes that checking dev and bus is not NULL before calling this */
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spi_dev_status_t
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spi_dev_arch_transfer(spi_device_t *dev,
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const uint8_t *write_buf, int wlen,
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uint8_t *inbuf, int rlen, int ignore_len)
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{
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int i;
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int totlen;
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uint8_t c;
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uint8_t spi_instance;
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spi_instance = dev->bus->config.instance;
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PRINTF("SPI: transfer (r:%d,w:%d) ", rlen, wlen);
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if(write_buf == NULL && wlen > 0) {
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return SPI_DEV_STATUS_EINVAL;
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}
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if(inbuf == NULL && rlen > 0) {
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return SPI_DEV_STATUS_EINVAL;
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}
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totlen = MAX(rlen + ignore_len, wlen);
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if(totlen == 0) {
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/* Nothing to do */
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return SPI_DEV_STATUS_OK;
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}
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PRINTF("%c%c%c: %u ", rlen > 0 ? 'R' : '-', wlen > 0 ? 'W' : '-',
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ignore_len > 0 ? 'S' : '-', totlen);
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for(i = 0; i < totlen; i++) {
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spix_wait_tx_ready(spi_instance);
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c = i < wlen ? write_buf[i] : 0;
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spix_write_buf(spi_instance, c);
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PRINTF("%c%02x->", i < rlen ? ' ' : '#', c);
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spix_wait_eotx(spi_instance);
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spix_wait_eorx(spi_instance);
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c = spix_read_buf(spi_instance);
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if(i < rlen) {
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inbuf[i] = c;
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}
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PRINTF("%02x", c);
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}
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PRINTF("\n");
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return SPI_DEV_STATUS_OK;
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}
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/*---------------------------------------------------------------------------*/
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#endif /* PLATFORM_HAS_SPI_DEV_ARCH */
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@ -1,44 +0,0 @@
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/*
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* Copyright (c) 2016-2017, Yanzi Networks.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPI_DEV_ARCH_H_
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#define SPI_DEV_ARCH_H_
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#include <stdint.h>
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/* The SPI instance for the CC2538 */
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typedef struct spi_bus_config {
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uint8_t instance;
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} spi_bus_config_t;
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typedef struct spi_device_config {
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} spi_device_config_t;
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#endif /* SPI_DEV_ARCH_H_ */
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