diff options
Diffstat (limited to 'demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC-LWIP/tsclient.c')
| -rw-r--r-- | demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC-LWIP/tsclient.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC-LWIP/tsclient.c b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC-LWIP/tsclient.c new file mode 100644 index 000000000..776d0487e --- /dev/null +++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC-LWIP/tsclient.c @@ -0,0 +1,105 @@ +/*
+ ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS 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 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 tsclient.c
+ * @brief TSSI client module code.
+ *
+ * @addtogroup TSSI
+ * @{
+ */
+
+#include "ch.h"
+#include "tsclient.h"
+
+/*===========================================================================*/
+/* Module local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported functions. */
+/*===========================================================================*/
+
+/*
+ * @brief Yields all the idle time to secure world.
+ * @note see CH_CFG_IDLE_LOOP_HOOK in chconf.h
+ *
+ * @notapi
+ */
+void tsIdle(void) {
+ (void)tsInvoke1(TS_HND_IDLE, 0, 0, TS_GRANTED_TIMESLICE * 10);
+}
+
+/**
+ * @brief Call a service via smc instruction.
+ *
+ * @param[in] handle The handle of the service to invoke.
+ * The handle is obtained by an invoke to discovery
+ * service.
+ * @param[inout] svc_data Service request data, often a reference to a more
+ * complex structure.
+ * @param[in] svc_datalen Size of the svc_data memory area.
+ * @param[in] svc_nsec_time The time slice that will be yielded to the lower
+ * prio NSEC threads, whenever the service call is
+ * interrupted, in microseconds.
+ * This avoids the starvation of lower NSEC thread due
+ * to continue polling of the called service status.
+ * 0 means no time slice is yielded.
+ *
+ * @return The service status. The value depends on the service.
+ *
+ * @retval SMC_SVC_OK generic success value.
+ * @retval SMC_SVC_BUSY the service has a pending request.
+ * @retval SMC_SVC_INVALID bad parameters.
+ * @retval SMC_SVC_NOENT no such service.
+ * @retval SMC_SVC_BADH bad handle.
+ *
+ * @api
+ */
+msg_t tsInvokeService(ts_service_t handle, ts_params_area_t data,
+ size_t size, sysinterval_t svc_nsec_time)
+{
+ int64_t result;
+
+ result = tsInvoke1(handle, data, size, TS_GRANTED_TIMESLICE);
+ while ((msg_t)result == SMC_SVC_INTR) {
+ if (svc_nsec_time != 0)
+ chThdSleepMicroseconds(svc_nsec_time);
+ result = tsInvoke1(TS_HND_STQRY, handle, 0, TS_GRANTED_TIMESLICE);
+ }
+ return (msg_t)result;
+}
+
+/** @} */
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