diff options
| author | Christian Pointner <equinox@spreadspace.org> | 2012-05-30 03:44:36 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@spreadspace.org> | 2012-05-30 03:44:36 +0000 |
| commit | fa8c3541a4bc29307bb85f22a9883d36563424d4 (patch) | |
| tree | 70c4e83377be87b99dc2894ccef214c7e90f3e59 /usb-led | |
| parent | cleaned usb-spi example (diff) | |
added distclean target
added simple led usb example
git-svn-id: https://svn.spreadspace.org/avr/trunk@47 aa12f405-d877-488e-9caf-2d797e2a1cc7
Diffstat (limited to 'usb-led')
| -rw-r--r-- | usb-led/Makefile | 39 | ||||
| -rw-r--r-- | usb-led/usb-led.c | 121 |
2 files changed, 160 insertions, 0 deletions
diff --git a/usb-led/Makefile b/usb-led/Makefile new file mode 100644 index 0000000..2872abd --- /dev/null +++ b/usb-led/Makefile @@ -0,0 +1,39 @@ +##
+## spreadspace avr utils
+##
+##
+## Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
+##
+## This file is part of spreadspace avr utils.
+##
+## spreadspace avr utils 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.
+##
+## spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+##
+
+NAME := usb-led
+BOARD_TYPE := teensy2
+OBJ := $(NAME).o
+LIBS := util led lufa-descriptor-usbserial
+EXTERNAL_LIBS := lufa
+
+LUFA_PATH := ../contrib/LUFA-120219
+LUFA_OPTS = -D USB_DEVICE_ONLY
+LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0
+LUFA_OPTS += -D ORDERED_EP_CONFIG
+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
+
+include ../include.mk
diff --git a/usb-led/usb-led.c b/usb-led/usb-led.c new file mode 100644 index 0000000..b58a180 --- /dev/null +++ b/usb-led/usb-led.c @@ -0,0 +1,121 @@ +/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of spreadspace avr utils.
+ *
+ * spreadspace avr utils 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.
+ *
+ * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+/* this is based on the LUFA example Project USBtoSerial
+ this is their Copyright Header */
+
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/interrupt.h>
+#include <avr/power.h>
+
+#include "lufa-descriptor-usbserial.h"
+
+#include "util.h"
+#include "led.h"
+
+#include <LUFA/Drivers/USB/USB.h>
+
+ /* Function Prototypes: */
+void handle_cmd(uint8_t cmd);
+void EVENT_USB_Device_ConfigurationChanged(void);
+void EVENT_USB_Device_ControlRequest(void);
+
+/** LUFA CDC Class driver interface configuration and state information. This structure is
+ * passed to all CDC Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
+ {
+ .Config =
+ {
+ .ControlInterfaceNumber = 0,
+
+ .DataINEndpointNumber = CDC_TX_EPNUM,
+ .DataINEndpointSize = CDC_TXRX_EPSIZE,
+ .DataINEndpointDoubleBank = false,
+
+ .DataOUTEndpointNumber = CDC_RX_EPNUM,
+ .DataOUTEndpointSize = CDC_TXRX_EPSIZE,
+ .DataOUTEndpointDoubleBank = false,
+
+ .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
+ .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
+ .NotificationEndpointDoubleBank = false,
+ },
+ };
+
+
+int main(void)
+{
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ cpu_init();
+ led_init();
+ USB_Init();
+ sei();
+
+ for(;;) {
+ int16_t BytesReceived = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
+ while(BytesReceived > 0) {
+ int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
+ if(!(ReceivedByte < 0)) {
+ handle_cmd(ReceivedByte);
+ }
+ BytesReceived--;
+ }
+
+ CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
+ USB_USBTask();
+ }
+}
+
+void handle_cmd(uint8_t cmd)
+{
+ switch(cmd) {
+ case '0': led_off(); break;
+ case '1': led_on(); break;
+ case 't': led_toggle(); break;
+ default: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "error\n"); return;
+ }
+ CDC_Device_SendString(&VirtualSerial_CDC_Interface, "ok\n");
+}
+
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
+}
+
+void EVENT_USB_Device_ControlRequest(void)
+{
+ CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
+}
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