added idm test program (for teensy)

git-svn-id: https://svn.spreadspace.org/mur.sat@490 7de4ea59-55d0-425e-a1af-a3118ea81d4c

2 files changed, 225 insertions, 0 deletions

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();

+  }

+}