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authorJack Humbert <jack.humb@gmail.com>2017-07-07 11:55:23 -0400
committerJack Humbert <jack.humb@gmail.com>2017-07-07 11:55:23 -0400
commit8655d4f4948b2deef7844503c8d690f23ac1a062 (patch)
treeb2c6effc9d6cd5b5b43933a1e53b8bf17e9e82cf /lib/lufa/Demos/Device/ClassDriver/MassStorage/MassStorage.c
parent1896c76a2928c96f9ab7947bec2ef8dd37623cff (diff)
parent60b30c036397cb5627fa374bb930794b225daa29 (diff)
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
Diffstat (limited to 'lib/lufa/Demos/Device/ClassDriver/MassStorage/MassStorage.c')
-rw-r--r--lib/lufa/Demos/Device/ClassDriver/MassStorage/MassStorage.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorage/MassStorage.c b/lib/lufa/Demos/Device/ClassDriver/MassStorage/MassStorage.c
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+++ b/lib/lufa/Demos/Device/ClassDriver/MassStorage/MassStorage.c
@@ -0,0 +1,162 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Main source file for the MassStorage demo. This file contains the main tasks of
+ * the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MassStorage.h"
+
+/** LUFA Mass Storage Class driver interface configuration and state information. This structure is
+ * passed to all Mass Storage Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_MS_Device_t Disk_MS_Interface =
+ {
+ .Config =
+ {
+ .InterfaceNumber = INTERFACE_ID_MassStorage,
+ .DataINEndpoint =
+ {
+ .Address = MASS_STORAGE_IN_EPADDR,
+ .Size = MASS_STORAGE_IO_EPSIZE,
+ .Banks = 1,
+ },
+ .DataOUTEndpoint =
+ {
+ .Address = MASS_STORAGE_OUT_EPADDR,
+ .Size = MASS_STORAGE_IO_EPSIZE,
+ .Banks = 1,
+ },
+ .TotalLUNs = TOTAL_LUNS,
+ },
+ };
+
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ GlobalInterruptEnable();
+
+ for (;;)
+ {
+ MS_Device_USBTask(&Disk_MS_Interface);
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+#elif (ARCH == ARCH_XMEGA)
+ /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
+ XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
+ XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
+
+ /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
+ XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
+ XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
+
+ PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
+#endif
+
+ /* Hardware Initialization */
+ LEDs_Init();
+ Dataflash_Init();
+ USB_Init();
+
+ /* Check if the Dataflash is working, abort if not */
+ if (!(DataflashManager_CheckDataflashOperation()))
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ for(;;);
+ }
+
+ /* Clear Dataflash sector protections, if enabled */
+ DataflashManager_ResetDataflashProtections();
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ bool ConfigSuccess = true;
+
+ ConfigSuccess &= MS_Device_ConfigureEndpoints(&Disk_MS_Interface);
+
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ MS_Device_ProcessControlRequest(&Disk_MS_Interface);
+}
+
+/** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.
+ *
+ * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface configuration structure being referenced
+ */
+bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
+{
+ bool CommandSuccess;
+
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+ CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ return CommandSuccess;
+}
+