diff options
| -rw-r--r-- | software/README | 38 | ||||
| -rw-r--r-- | software/idm-test/Makefile | 39 | ||||
| -rw-r--r-- | software/idm-test/idm-test.c | 186 |
3 files changed, 263 insertions, 0 deletions
diff --git a/software/README b/software/README new file mode 100644 index 0000000..eb0a43a --- /dev/null +++ b/software/README @@ -0,0 +1,38 @@ +License +======= + +mur.sat is licensed under GPLv3. You can find the full text of the +license in the file LICENSE. + +Some parts are based on LUFA which has been licensed under the +following conditions. + +/* + LUFA Library + Copyright (C) Dean Camera, 2012. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2012 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 disclaim 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. +*/ diff --git a/software/idm-test/Makefile b/software/idm-test/Makefile new file mode 100644 index 0000000..23a46c6 --- /dev/null +++ b/software/idm-test/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 := idm-test
+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 ../avr.include.mk
diff --git a/software/idm-test/idm-test.c b/software/idm-test/idm-test.c new file mode 100644 index 0000000..8913c37 --- /dev/null +++ b/software/idm-test/idm-test.c @@ -0,0 +1,186 @@ +/*
+ * 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/>.
+ */
+
+
+#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"
+
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+#include <LUFA/Drivers/Peripheral/SPI.h>
+#include <LUFA/Drivers/Misc/RingBuffer.h>
+#include <LUFA/Drivers/USB/USB.h>
+
+ /* Hardware Defines: */
+#define SPI_CS_DDR DDRB
+#define SPI_CS_PORT PORTB
+#define CS 0
+#define PWRDWN_DDR DDRB
+#define PWRDWN_PORT PORTB
+#define PWRDWN 7
+#define INT_DDR DDRD
+#define INT_PORT PORTD
+#define INT_PIN PIND
+#define INT 0
+// Powerdown is at LED Pin
+
+ /* Global I/O Buffers: */
+static RingBuffer_t SPItoUSB_Buffer;
+static uint8_t SPItoUSB_Buffer_Data[128];
+
+/** 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,
+ },
+ };
+
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
+}
+
+void EVENT_USB_Device_ControlRequest(void)
+{
+ CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
+}
+
+
+void SetupHardware(void)
+{
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ cpu_init();
+ led_init();
+ USB_Init();
+
+ TCCR0B = (1 << CS02);
+
+ SPI_Init(SPI_SPEED_FCPU_DIV_4 | SPI_MODE_MASTER | SPI_ORDER_MSB_FIRST |
+ SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING);
+ SPI_CS_DDR |= (1<<CS);
+ SPI_CS_PORT |= (1<<CS);
+
+ PWRDWN_DDR |= (1<<PWRDWN);
+ PWRDWN_PORT |= (1<<PWRDWN);
+
+ INT_DDR &= ~(1<<INT);
+ INT_PORT |= (1<<INT);
+}
+
+void IDM_SendCmd(uint8_t cmd)
+{
+ led_on();
+ SPI_CS_PORT &= ~(1<<CS);
+ SPI_SendByte(cmd);
+ SPI_CS_PORT |= (1<<CS);
+ led_off();
+}
+
+void IDM_ReadData(void)
+{
+ led_on();
+ SPI_CS_PORT &= ~(1<<CS);
+
+ SPI_SendByte('r');
+ uint8_t int_state = (INT_PIN & (1<<INT));
+ while(!int_state) {
+ uint8_t ReceivedByte = SPI_ReceiveByte();
+ RingBuffer_Insert(&SPItoUSB_Buffer, ReceivedByte);
+ if(RingBuffer_IsFull(&SPItoUSB_Buffer))
+ break;
+ int_state = (INT_PIN & (1<<INT));
+ }
+
+ SPI_CS_PORT |= (1<<CS);
+ led_off();
+}
+
+int main(void)
+{
+ SetupHardware();
+ RingBuffer_InitBuffer(&SPItoUSB_Buffer, SPItoUSB_Buffer_Data, sizeof(SPItoUSB_Buffer_Data));
+ 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)) {
+ switch(ReceivedByte) {
+ case 'p': PWRDWN_PORT &= ~(1<<PWRDWN); break;
+ case 'P': PWRDWN_PORT |= (1<<PWRDWN); break;
+ case 'r': break;
+ default: IDM_SendCmd(ReceivedByte); break;
+ }
+ }
+ BytesReceived--;
+ }
+
+ if(!(INT_PIN & (1<<INT)))
+ IDM_ReadData();
+
+ uint16_t BufferCount = RingBuffer_GetCount(&SPItoUSB_Buffer);
+ if ((TIFR0 & (1 << TOV0)) || (BufferCount > (uint8_t)(sizeof(SPItoUSB_Buffer_Data) * .75))) {
+ TIFR0 |= (1 << TOV0);
+ while (BufferCount--) {
+ if (CDC_Device_SendByte(&VirtualSerial_CDC_Interface,
+ RingBuffer_Peek(&SPItoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
+ break;
+
+ RingBuffer_Remove(&SPItoUSB_Buffer);
+ }
+ }
+
+ CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
+ USB_USBTask();
+ }
+}
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