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-rw-r--r--software/mpu/Makefile7
-rw-r--r--software/mpu/board/board.c4
-rw-r--r--software/mpu/board/board.h4
-rw-r--r--software/mpu/halconf.h2
-rw-r--r--software/mpu/main.c10
-rw-r--r--software/mpu/mcuconf.h2
-rw-r--r--software/mpu/usb-cdc-descriptor.h204
-rw-r--r--software/mpu/usb-cdc-shell.c308
-rw-r--r--software/mpu/usb-cdc-shell.h39
9 files changed, 565 insertions, 15 deletions
diff --git a/software/mpu/Makefile b/software/mpu/Makefile
index 8dcb9ed..55f9a24 100644
--- a/software/mpu/Makefile
+++ b/software/mpu/Makefile
@@ -10,7 +10,7 @@ endif
# C specific options here (added to USE_OPT).
ifeq ($(USE_COPT),)
- USE_COPT =
+ USE_COPT =
endif
# C++ specific options here (added to USE_OPT).
@@ -77,9 +77,10 @@ CSRC = $(PORTSRC) \
$(HALSRC) \
$(PLATFORMSRC) \
$(BOARDSRC) \
- $(CHIBIOS)/os/various/evtimer.c \
- $(CHIBIOS)/os/various/syscalls.c \
+ $(CHIBIOS)/os/various/shell.c \
+ $(CHIBIOS)/os/various/chprintf.c \
heartbeat.c \
+ usb-cdc-shell.c \
main.c
# C++ sources that can be compiled in ARM or THUMB mode depending on the global
diff --git a/software/mpu/board/board.c b/software/mpu/board/board.c
index c1a077e..2560a73 100644
--- a/software/mpu/board/board.c
+++ b/software/mpu/board/board.c
@@ -49,4 +49,8 @@ void __early_init(void) {
* Board-specific initialization code.
*/
void boardInit(void) {
+ /*
+ * Disable JTAG-DP and SW-DP.
+ */
+ AFIO->MAPR = AFIO_MAPR_SWJ_CFG_DISABLE;
}
diff --git a/software/mpu/board/board.h b/software/mpu/board/board.h
index 018a45e..3004909 100644
--- a/software/mpu/board/board.h
+++ b/software/mpu/board/board.h
@@ -73,14 +73,12 @@
/*
* Port A setup.
* Everything input with pull-up except:
- * PA2 - Alternate output (USART2 TX).
- * PA3 - Normal input (USART2 RX).
* PA8 - Push Pull output (LED).
* PA11 - Normal input (USB DM).
* PA12 - Normal input (USB DP).
* PA13 - Push Pull output (USB DISC).
*/
-#define VAL_GPIOACRL 0x88884B88 /* PA7...PA0 */
+#define VAL_GPIOACRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIOACRH 0x88344883 /* PA15...PA8 */
#define VAL_GPIOAODR 0xFFFFFFFF
diff --git a/software/mpu/halconf.h b/software/mpu/halconf.h
index f41266a..72b4e93 100644
--- a/software/mpu/halconf.h
+++ b/software/mpu/halconf.h
@@ -125,7 +125,7 @@
* @brief Enables the SERIAL subsystem.
*/
#if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)
-#define HAL_USE_SERIAL TRUE
+#define HAL_USE_SERIAL FALSE
#endif
/**
diff --git a/software/mpu/main.c b/software/mpu/main.c
index 8f411d5..bf85609 100644
--- a/software/mpu/main.c
+++ b/software/mpu/main.c
@@ -34,6 +34,7 @@
#include "hal.h"
#include "heartbeat.h"
+#include "usb-cdc-shell.h"
/*
* Application entry point.
@@ -50,14 +51,9 @@ int main(void) {
halInit();
chSysInit();
-
heartbeatInit();
-
- /*
- * Normal main() thread activity, in this demo it does nothing except
- * sleeping in a loop.
- */
+ usbCDCShellInit();
while (TRUE) {
- chThdSleepMilliseconds(10000);
+ usbCDCShellRun();
}
}
diff --git a/software/mpu/mcuconf.h b/software/mpu/mcuconf.h
index 6a03346..af13f57 100644
--- a/software/mpu/mcuconf.h
+++ b/software/mpu/mcuconf.h
@@ -151,7 +151,7 @@
* SERIAL driver system settings.
*/
#define STM32_SERIAL_USE_USART1 FALSE
-#define STM32_SERIAL_USE_USART2 TRUE
+#define STM32_SERIAL_USE_USART2 FALSE
#define STM32_SERIAL_USE_USART3 FALSE
#define STM32_SERIAL_USE_UART4 FALSE
#define STM32_SERIAL_USE_UART5 FALSE
diff --git a/software/mpu/usb-cdc-descriptor.h b/software/mpu/usb-cdc-descriptor.h
new file mode 100644
index 0000000..41fc5a9
--- /dev/null
+++ b/software/mpu/usb-cdc-descriptor.h
@@ -0,0 +1,204 @@
+/*
+ *
+ * mur.sat
+ *
+ * Somewhen in the year 2012, mur.at will have a nano satellite launched
+ * into a low earth orbit (310 km above the surface of our planet). The
+ * satellite itself is a TubeSat personal satellite kit, developed and
+ * launched by interorbital systems. mur.sat is a joint venture of mur.at,
+ * ESC im Labor and realraum.
+ *
+ * Please visit the project hompage at sat.mur.at for further information.
+ *
+ *
+ * Copyright (C) 2013 Christian Pointner <equinox@mur.at>
+ *
+ * This file is part of mur.sat.
+ *
+ * mur.sat 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
+ * any later version.
+ *
+ * mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef MURSAT_usb_cdc_descriptor_h_INCLUDED
+#define MURSAT_usb_cdc_descriptor_h_INCLUDED
+
+/*
+ * Endpoints to be used for USBD1.
+ */
+#define USBD1_DATA_REQUEST_EP 1
+#define USBD1_DATA_AVAILABLE_EP 1
+#define USBD1_INTERRUPT_REQUEST_EP 2
+
+/*
+ * USB Device Descriptor.
+ */
+static const uint8_t vcom_device_descriptor_data[18] = {
+ USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */
+ 0x02, /* bDeviceClass (CDC). */
+ 0x00, /* bDeviceSubClass. */
+ 0x00, /* bDeviceProtocol. */
+ 0x40, /* bMaxPacketSize. */
+ 0x0483, /* idVendor (ST). */
+ 0x5740, /* idProduct. */
+ 0x0200, /* bcdDevice. */
+ 1, /* iManufacturer. */
+ 2, /* iProduct. */
+ 3, /* iSerialNumber. */
+ 1) /* bNumConfigurations. */
+};
+
+/*
+ * Device Descriptor wrapper.
+ */
+static const USBDescriptor vcom_device_descriptor = {
+ sizeof vcom_device_descriptor_data,
+ vcom_device_descriptor_data
+};
+
+/* Configuration Descriptor tree for a CDC.*/
+static const uint8_t vcom_configuration_descriptor_data[67] = {
+ /* Configuration Descriptor.*/
+ USB_DESC_CONFIGURATION(67, /* wTotalLength. */
+ 0x02, /* bNumInterfaces. */
+ 0x01, /* bConfigurationValue. */
+ 0, /* iConfiguration. */
+ 0xC0, /* bmAttributes (self powered). */
+ 50), /* bMaxPower (100mA). */
+ /* Interface Descriptor.*/
+ USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */
+ 0x00, /* bAlternateSetting. */
+ 0x01, /* bNumEndpoints. */
+ 0x02, /* bInterfaceClass (Communications
+ Interface Class, CDC section
+ 4.2). */
+ 0x02, /* bInterfaceSubClass (Abstract
+ Control Model, CDC section 4.3). */
+ 0x01, /* bInterfaceProtocol (AT commands,
+ CDC section 4.4). */
+ 0), /* iInterface. */
+ /* Header Functional Descriptor (CDC section 5.2.3).*/
+ USB_DESC_BYTE (5), /* bLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x00), /* bDescriptorSubtype (Header
+ Functional Descriptor. */
+ USB_DESC_BCD (0x0110), /* bcdCDC. */
+ /* Call Management Functional Descriptor. */
+ USB_DESC_BYTE (5), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x01), /* bDescriptorSubtype (Call Management
+ Functional Descriptor). */
+ USB_DESC_BYTE (0x00), /* bmCapabilities (D0+D1). */
+ USB_DESC_BYTE (0x01), /* bDataInterface. */
+ /* ACM Functional Descriptor.*/
+ USB_DESC_BYTE (4), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x02), /* bDescriptorSubtype (Abstract
+ Control Management Descriptor). */
+ USB_DESC_BYTE (0x02), /* bmCapabilities. */
+ /* Union Functional Descriptor.*/
+ USB_DESC_BYTE (5), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x06), /* bDescriptorSubtype (Union
+ Functional Descriptor). */
+ USB_DESC_BYTE (0x00), /* bMasterInterface (Communication
+ Class Interface). */
+ USB_DESC_BYTE (0x01), /* bSlaveInterface0 (Data Class
+ Interface). */
+ /* Endpoint 2 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_INTERRUPT_REQUEST_EP|0x80,
+ 0x03, /* bmAttributes (Interrupt). */
+ 0x0008, /* wMaxPacketSize. */
+ 0xFF), /* bInterval. */
+ /* Interface Descriptor.*/
+ USB_DESC_INTERFACE (0x01, /* bInterfaceNumber. */
+ 0x00, /* bAlternateSetting. */
+ 0x02, /* bNumEndpoints. */
+ 0x0A, /* bInterfaceClass (Data Class
+ Interface, CDC section 4.5). */
+ 0x00, /* bInterfaceSubClass (CDC section
+ 4.6). */
+ 0x00, /* bInterfaceProtocol (CDC section
+ 4.7). */
+ 0x00), /* iInterface. */
+ /* Endpoint 3 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_DATA_AVAILABLE_EP, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00), /* bInterval. */
+ /* Endpoint 1 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00) /* bInterval. */
+};
+
+/*
+ * Configuration Descriptor wrapper.
+ */
+static const USBDescriptor vcom_configuration_descriptor = {
+ sizeof vcom_configuration_descriptor_data,
+ vcom_configuration_descriptor_data
+};
+
+/*
+ * U.S. English language identifier.
+ */
+static const uint8_t vcom_string0[] = {
+ USB_DESC_BYTE(4), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
+};
+
+/*
+ * Vendor string.
+ */
+static const uint8_t vcom_string1[] = {
+ USB_DESC_BYTE(14), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ 'm', 0, 'u', 0, 'r', 0, '.', 0, 'a', 0, 't', 0
+};
+
+/*
+ * Device Description string.
+ */
+static const uint8_t vcom_string2[] = {
+ USB_DESC_BYTE(24), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ 'm', 0, 'u', 0, 'r', 0, '.', 0, 's', 0, 'a', 0, 't', 0, ' ', 0,
+ 'M', 0, 'P', 0, 'U', 0
+};
+
+/*
+ * Serial Number string.
+ */
+static const uint8_t vcom_string3[] = {
+ USB_DESC_BYTE(8), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ '0', 0,
+ '1', 0,
+ '0', 0
+};
+
+/*
+ * Strings wrappers array.
+ */
+static const USBDescriptor vcom_strings[] = {
+ {sizeof vcom_string0, vcom_string0},
+ {sizeof vcom_string1, vcom_string1},
+ {sizeof vcom_string2, vcom_string2},
+ {sizeof vcom_string3, vcom_string3}
+};
+
+
+#endif
diff --git a/software/mpu/usb-cdc-shell.c b/software/mpu/usb-cdc-shell.c
new file mode 100644
index 0000000..b863b58
--- /dev/null
+++ b/software/mpu/usb-cdc-shell.c
@@ -0,0 +1,308 @@
+/*
+ *
+ * mur.sat
+ *
+ * Somewhen in the year 2012, mur.at will have a nano satellite launched
+ * into a low earth orbit (310 km above the surface of our planet). The
+ * satellite itself is a TubeSat personal satellite kit, developed and
+ * launched by interorbital systems. mur.sat is a joint venture of mur.at,
+ * ESC im Labor and realraum.
+ *
+ * Please visit the project hompage at sat.mur.at for further information.
+ *
+ *
+ * Copyright (C) 2013 Christian Pointner <equinox@mur.at>
+ *
+ * This file is part of mur.sat.
+ *
+ * mur.sat 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
+ * any later version.
+ *
+ * mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// this heavily leans on the USB-CDC testhal Demo from chibiOS
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+
+#include <stdio.h>
+#include <string.h>
+
+#include "ch.h"
+#include "hal.h"
+#include "test.h"
+
+#include "shell.h"
+#include "chprintf.h"
+
+#include "usb-cdc-shell.h"
+#include "usb-cdc-descriptor.h"
+
+
+static SerialUSBDriver SDU1;
+
+/*
+ * Handles the GET_DESCRIPTOR callback. All required descriptors must be
+ * handled here.
+ */
+static const USBDescriptor *get_descriptor(USBDriver *usbp,
+ uint8_t dtype,
+ uint8_t dindex,
+ uint16_t lang) {
+
+ (void)usbp;
+ (void)lang;
+ switch (dtype) {
+ case USB_DESCRIPTOR_DEVICE:
+ return &vcom_device_descriptor;
+ case USB_DESCRIPTOR_CONFIGURATION:
+ return &vcom_configuration_descriptor;
+ case USB_DESCRIPTOR_STRING:
+ if (dindex < 4)
+ return &vcom_strings[dindex];
+ }
+ return NULL;
+}
+
+static USBInEndpointState ep1instate;
+static USBOutEndpointState ep1outstate;
+static const USBEndpointConfig ep1config = {
+ USB_EP_MODE_TYPE_BULK,
+ NULL,
+ sduDataTransmitted,
+ sduDataReceived,
+ 0x0040,
+ 0x0040,
+ &ep1instate,
+ &ep1outstate,
+ 1,
+ NULL
+};
+
+static USBInEndpointState ep2instate;
+static const USBEndpointConfig ep2config = {
+ USB_EP_MODE_TYPE_INTR,
+ NULL,
+ sduInterruptTransmitted,
+ NULL,
+ 0x0010,
+ 0x0000,
+ &ep2instate,
+ NULL,
+ 1,
+ NULL
+};
+
+/*
+ * Handles the USB driver global events.
+ */
+static void usb_event(USBDriver *usbp, usbevent_t event) {
+
+ switch (event) {
+ case USB_EVENT_RESET:
+ return;
+ case USB_EVENT_ADDRESS:
+ return;
+ case USB_EVENT_CONFIGURED:
+ chSysLockFromIsr();
+
+ /* Enables the endpoints specified into the configuration.
+ Note, this callback is invoked from an ISR so I-Class functions
+ must be used.*/
+ usbInitEndpointI(usbp, USBD1_DATA_REQUEST_EP, &ep1config);
+ usbInitEndpointI(usbp, USBD1_INTERRUPT_REQUEST_EP, &ep2config);
+
+ /* Resetting the state of the CDC subsystem.*/
+ sduConfigureHookI(&SDU1);
+
+ chSysUnlockFromIsr();
+ return;
+ case USB_EVENT_SUSPEND:
+ return;
+ case USB_EVENT_WAKEUP:
+ return;
+ case USB_EVENT_STALLED:
+ return;
+ }
+ return;
+}
+
+/*
+ * USB driver configuration.
+ */
+static const USBConfig usbcfg = {
+ usb_event,
+ get_descriptor,
+ sduRequestsHook,
+ NULL
+};
+
+/*
+ * Serial over USB driver configuration.
+ */
+static const SerialUSBConfig serusbcfg = {
+ &USBD1,
+ USBD1_DATA_REQUEST_EP,
+ USBD1_DATA_AVAILABLE_EP,
+ USBD1_INTERRUPT_REQUEST_EP
+};
+
+/*===========================================================================*/
+/* Command line related. */
+/*===========================================================================*/
+
+#define SHELL_WA_SIZE THD_WA_SIZE(2048)
+#define TEST_WA_SIZE THD_WA_SIZE(256)
+
+static void cmd_mem(BaseSequentialStream *chp, int argc, char *argv[]) {
+ size_t n, size;
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: mem\r\n");
+ return;
+ }
+ n = chHeapStatus(NULL, &size);
+ chprintf(chp, "core free memory : %u bytes\r\n", chCoreStatus());
+ chprintf(chp, "heap fragments : %u\r\n", n);
+ chprintf(chp, "heap free total : %u bytes\r\n", size);
+}
+
+static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) {
+ static const char *states[] = {THD_STATE_NAMES};
+ Thread *tp;
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: threads\r\n");
+ return;
+ }
+ chprintf(chp, " addr stack prio refs state time\r\n");
+ tp = chRegFirstThread();
+ do {
+ chprintf(chp, "%.8lx %.8lx %4lu %4lu %9s %lu\r\n",
+ (uint32_t)tp, (uint32_t)tp->p_ctx.r13,
+ (uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1),
+ states[tp->p_state], (uint32_t)tp->p_time);
+ tp = chRegNextThread(tp);
+ } while (tp != NULL);
+}
+
+static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
+ Thread *tp;
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: test\r\n");
+ return;
+ }
+ tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(),
+ TestThread, chp);
+ if (tp == NULL) {
+ chprintf(chp, "out of memory\r\n");
+ return;
+ }
+ chThdWait(tp);
+}
+
+static void cmd_write(BaseSequentialStream *chp, int argc, char *argv[]) {
+ static uint8_t buf[] =
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: write\r\n");
+ return;
+ }
+
+ while (chnGetTimeout((BaseChannel *)chp, TIME_IMMEDIATE) == Q_TIMEOUT) {
+ chSequentialStreamWrite(&SDU1, buf, sizeof buf - 1);
+ }
+ chprintf(chp, "\r\n\nstopped\r\n");
+}
+
+static const ShellCommand commands[] = {
+ {"mem", cmd_mem},
+ {"threads", cmd_threads},
+ {"test", cmd_test},
+ {"write", cmd_write},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&SDU1,
+ commands
+};
+
+/*===========================================================================*/
+/* Public Interface. */
+/*===========================================================================*/
+
+void usbCDCShellInit(void)
+{
+ sduObjectInit(&SDU1);
+ sduStart(&SDU1, &serusbcfg);
+
+ palSetPad(USB_DISC__PORT, USB_DISC__PIN);
+ usbDisconnectBus(serusbcfg.usbp);
+ chThdSleepMilliseconds(1500);
+ usbStart(serusbcfg.usbp, &usbcfg);
+ usbConnectBus(serusbcfg.usbp);
+ palClearPad(USB_DISC__PORT, USB_DISC__PIN);
+
+ shellInit();
+}
+
+
+void usbCDCShellRun(void)
+{
+ Thread *shelltp = NULL;
+
+ while (TRUE) {
+ if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE))
+ shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
+ else if (chThdTerminated(shelltp)) {
+ chThdRelease(shelltp); /* Recovers memory of the previous shell. */
+ shelltp = NULL; /* Triggers spawning of a new shell. */
+ }
+ chThdSleepMilliseconds(1000);
+ }
+}
diff --git a/software/mpu/usb-cdc-shell.h b/software/mpu/usb-cdc-shell.h
new file mode 100644
index 0000000..f44df9d
--- /dev/null
+++ b/software/mpu/usb-cdc-shell.h
@@ -0,0 +1,39 @@
+/*
+ *
+ * mur.sat
+ *
+ * Somewhen in the year 2012, mur.at will have a nano satellite launched
+ * into a low earth orbit (310 km above the surface of our planet). The
+ * satellite itself is a TubeSat personal satellite kit, developed and
+ * launched by interorbital systems. mur.sat is a joint venture of mur.at,
+ * ESC im Labor and realraum.
+ *
+ * Please visit the project hompage at sat.mur.at for further information.
+ *
+ *
+ * Copyright (C) 2013 Christian Pointner <equinox@mur.at>
+ *
+ * This file is part of mur.sat.
+ *
+ * mur.sat 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
+ * any later version.
+ *
+ * mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef MURSAT_usb_cdc_shell_h_INCLUDED
+#define MURSAT_usb_cdc_shell_h_INCLUDED
+
+void usbCDCShellInit(void);
+void usbCDCShellRun(void);
+
+#endif