Merge branches 'master' and 'rm48/master'

[pes-rpp/rpp-test-sw.git] / rpp-test-sw / commands / cmd_lin.c

diff --git a/rpp-test-sw/commands/cmd_lin.c b/rpp-test-sw/commands/cmd_lin.c
new file mode 100644 (file)
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+++ b/rpp-test-sw/commands/cmd_lin.c
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+/*
+ * Copyright (C) 2012-2013 Czech Technical University in Prague
+ *
+ * Created on: 28.2.2013
+ *
+ * Authors:
+ *     - Michal Horn
+ *
+ * This document contains proprietary information belonging to Czech
+ * Technical University in Prague. Passing on and copying of this
+ * document, and communication of its contents is not permitted
+ * without prior written authorization.
+ *
+ * File : cmd_lin.c
+ *
+ * Abstract:
+ *      This file contains commands for LIN control.
+ *
+ */
+
+
+#include "cmd_lin.h"
+
+#ifndef DOCGEN
+
+#include "rpp/rpp.h"
+#include "sys/sys.h"
+#include "hal/hal.h"
+
+/** Semaphore used to stop command, until message is received */
+extern xSemaphoreHandle linMsgReceived;
+/** Semaphore used to stop command, until ID is received */
+extern xSemaphoreHandle linIDReceived;
+
+/**    @brief Command for testing LIN loopback
+ *
+ * @param[in]  cmd_io  Pointer to IO functions
+ * @param[in]  cmd_des Pointer to command descriptor
+ * @param[in]  param   Pointer to an array of parameters
+ *
+ * @return
+ */
+int cmd_do_lin_loop_back(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
+{
+       uint8_t txData[8] = {'L', 'I', 'N', ' ', 'T', 'E', 'S', 'T'};
+       uint8_t rxData[8];
+       uint8_t txID = 0xAC;
+       uint8_t rxID = 0;
+
+       linEnableLoopback(linREG, Digital);
+       hal_gpio_pin_set_value(PIN_DSC_LIN1NSLP, 1);
+       linIDReceived = xSemaphoreCreateCounting(1, 0);
+       linMsgReceived = xSemaphoreCreateCounting(1, 0);
+
+       linSetLength(linREG, 8);
+       linSendHeader(linREG, txID);
+       while (!linIsTxReady(linREG)) ;
+       xSemaphoreTake(linIDReceived, portMAX_DELAY);
+       rxID = linGetIdentifier(linREG);
+       if (rxID == txID) {
+               linSend(linREG, txData);
+               while (!linIsTxReady(linREG)) ;
+               xSemaphoreTake(linMsgReceived, portMAX_DELAY);
+               linGetData(linREG, rxData);
+               uint8_t errCnt = 0;
+               uint8_t i;
+               for (i = 0; i < 8; i++) {
+                       if (txData[i] != rxData[i]) errCnt++;
+               }
+
+               if (!errCnt)
+                       rpp_sci_printf("OK");
+               else
+                       rpp_sci_printf("Transmission errors: %d\r\n", errCnt);
+       }
+       else
+               rpp_sci_printf("FAILED: Sent and Received ID does not match.");
+       vSemaphoreDelete(linIDReceived);
+       vSemaphoreDelete(linMsgReceived);
+       hal_gpio_pin_set_value(PIN_DSC_LIN1NSLP, 0);
+       return 0;
+}
+
+#endif  /* DOCGEN */
+
+/** Descriptor of command for lin loopback test */
+cmd_des_t const cmd_des_lin_loop_back = {
+       0, 0,
+       "lintest","Test the digital loopback on LIN",
+       "### Command syntax ###\n"
+       "\n"
+       "    lintest\n"
+       "\n"
+       "### Description ###\n"
+       "\n"
+       "This command can be used for testing the LIN. The command starts to\n"
+       "send a short message on the LIN port and is testing if it is correctly\n"
+       "received via an internal loopback.\n",
+       CMD_HANDLER(cmd_do_lin_loop_back), (void *)&cmd_list_lin
+};
+
+/** List of commands for lin, defined as external */
+cmd_des_t const *cmd_list_lin[] = {
+       &cmd_des_lin_loop_back,
+       NULL
+};