diff options
Diffstat (limited to 'os/hal/platforms/Linux/serial_lld.c')
| -rw-r--r-- | os/hal/platforms/Linux/serial_lld.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/os/hal/platforms/Linux/serial_lld.c b/os/hal/platforms/Linux/serial_lld.c deleted file mode 100644 index cd1cc9f8b..000000000 --- a/os/hal/platforms/Linux/serial_lld.c +++ /dev/null @@ -1,265 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file Linux/serial_lld.c
- * @brief Linux low level simulated serial driver code.
- * @addtogroup LINUX_SERIAL
- * @{
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-
-#include "ch.h"
-#include "hal.h"
-
-#if CH_HAL_USE_SERIAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/** @brief Serial driver 1 identifier.*/
-#if USE_SIM_SERIAL1 || defined(__DOXYGEN__)
-SerialDriver SD1;
-#endif
-/** @brief Serial driver 2 identifier.*/
-#if USE_SIM_SERIAL2 || defined(__DOXYGEN__)
-SerialDriver SD2;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables. */
-/*===========================================================================*/
-
-/** @brief Driver default configuration.*/
-static const SerialConfig default_config = {
-};
-
-static u_long nb = 1;
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void init(SerialDriver *sdp, uint16_t port) {
- struct sockaddr_in sad;
- struct protoent *prtp;
-
- if ((prtp = getprotobyname("tcp")) == NULL) {
- printf("%s: Error mapping protocol name to protocol number\n", sdp->com_name);
- goto abort;
- }
-
- sdp->com_listen = socket(PF_INET, SOCK_STREAM, prtp->p_proto);
- if (sdp->com_listen == INVALID_SOCKET) {
- printf("%s: Error creating simulator socket\n", sdp->com_name);
- goto abort;
- }
-
- if (ioctl(sdp->com_listen, FIONBIO, &nb) != 0) {
- printf("%s: Unable to setup non blocking mode on socket\n", sdp->com_name);
- goto abort;
- }
-
- memset(&sad, 0, sizeof(sad));
- sad.sin_family = AF_INET;
- sad.sin_addr.s_addr = INADDR_ANY;
- sad.sin_port = htons(port);
- if (bind(sdp->com_listen, (struct sockaddr *)&sad, sizeof(sad))) {
- printf("%s: Error binding socket\n", sdp->com_name);
- goto abort;
- }
-
- if (listen(sdp->com_listen, 1) != 0) {
- printf("%s: Error listening socket\n", sdp->com_name);
- goto abort;
- }
- printf("Full Duplex Channel %s listening on port %d\n", sdp->com_name, port);
- return;
-
-abort:
- if (sdp->com_listen != INVALID_SOCKET)
- close(sdp->com_listen);
- exit(1);
-}
-
-static bool_t connint(SerialDriver *sdp) {
-
- if (sdp->com_data == INVALID_SOCKET) {
- struct sockaddr addr;
- socklen_t addrlen = sizeof(addr);
-
- if ((sdp->com_data = accept(sdp->com_listen, &addr, &addrlen)) == INVALID_SOCKET)
- return FALSE;
-
- if (ioctl(sdp->com_data, FIONBIO, &nb) != 0) {
- printf("%s: Unable to setup non blocking mode on data socket\n", sdp->com_name);
- goto abort;
- }
- sdAddFlagsI(sdp, SD_CONNECTED);
- return TRUE;
- }
- return FALSE;
-abort:
- if (sdp->com_listen != INVALID_SOCKET)
- close(sdp->com_listen);
- if (sdp->com_data != INVALID_SOCKET)
- close(sdp->com_data);
- exit(1);
-}
-
-static bool_t inint(SerialDriver *sdp) {
-
- if (sdp->com_data != INVALID_SOCKET) {
- int i;
- uint8_t data[32];
-
- /*
- * Input.
- */
- int n = recv(sdp->com_data, data, sizeof(data), 0);
- switch (n) {
- case 0:
- close(sdp->com_data);
- sdp->com_data = INVALID_SOCKET;
- sdAddFlagsI(sdp, SD_DISCONNECTED);
- return FALSE;
- case INVALID_SOCKET:
- if (errno == EWOULDBLOCK)
- return FALSE;
- close(sdp->com_data);
- sdp->com_data = INVALID_SOCKET;
- return FALSE;
- }
- for (i = 0; i < n; i++)
- sdIncomingDataI(sdp, data[i]);
- return TRUE;
- }
- return FALSE;
-}
-
-static bool_t outint(SerialDriver *sdp) {
-
- if (sdp->com_data != INVALID_SOCKET) {
- int n;
- uint8_t data[1];
-
- /*
- * Input.
- */
- n = sdRequestDataI(sdp);
- if (n < 0)
- return FALSE;
- data[0] = (uint8_t)n;
- n = send(sdp->com_data, data, sizeof(data), 0);
- switch (n) {
- case 0:
- close(sdp->com_data);
- sdp->com_data = INVALID_SOCKET;
- sdAddFlagsI(sdp, SD_DISCONNECTED);
- return FALSE;
- case INVALID_SOCKET:
- if (errno == EWOULDBLOCK)
- return FALSE;
- close(sdp->com_data);
- sdp->com_data = INVALID_SOCKET;
- return FALSE;
- }
- return TRUE;
- }
- return FALSE;
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * Low level serial driver initialization.
- */
-void sd_lld_init(void) {
-
-#if USE_SIM_SERIAL1
- sdObjectInit(&SD1, NULL, NULL);
- SD1.com_listen = INVALID_SOCKET;
- SD1.com_data = INVALID_SOCKET;
- SD1.com_name = "SD1";
-#endif
-
-#if USE_SIM_SERIAL2
- sdObjectInit(&SD2, NULL, NULL);
- SD2.com_listen = INVALID_SOCKET;
- SD2.com_data = INVALID_SOCKET;
- SD2.com_name = "SD2";
-#endif
-}
-
-/**
- * @brief Low level serial driver configuration and (re)start.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- */
-void sd_lld_start(SerialDriver *sdp) {
-
- if (sdp->config == NULL)
- sdp->config = &default_config;
-
-#if USE_SIM_SERIAL1
- if (sdp == &SD1)
- init(&SD1, SIM_SD1_PORT);
-#endif
-
-#if USE_SIM_SERIAL2
- if (sdp == &SD2)
- init(&SD2, SIM_SD2_PORT);
-#endif
-}
-
-/**
- * @brief Low level serial driver stop.
- * @details De-initializes the USART, stops the associated clock, resets the
- * interrupt vector.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- */
-void sd_lld_stop(SerialDriver *sdp) {
-
- (void)sdp;
-}
-
-bool_t sd_lld_interrupt_pending(void) {
-
- return connint(&SD1) || connint(&SD2) ||
- inint(&SD1) || inint(&SD2) ||
- outint(&SD1) || outint(&SD2);
-}
-
-#endif /* CH_HAL_USE_SERIAL */
-
-/** @} */
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