/*
- Copyright (c) 2010 Sven Peter <sven@fail0verflow.com>
- Copyright (c) 2010 Haxx Enterprises <bushing@gmail.com>
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or
- without modification, are permitted provided that the following
- conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
-#include <assert.h>
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2010 Sven Peter <sven@fail0verflow.com>
+ * Copyright (C) 2010 Haxx Enterprises <bushing@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <assert.h>
#include "analyzer.h"
#include "gl_usb.h"
enum {
- HARD_DATA_CHECK_SUM = 0x00,
+ HARD_DATA_CHECK_SUM = 0x00,
PASS_WORD,
- DEVICE_ID0 = 0x10,
+ DEVICE_ID0 = 0x10,
DEVICE_ID1,
- START_STATUS = 0x20,
- DEVICE_STATUS = 0x21,
- FREQUENCY_REG0 = 0x30,
+ START_STATUS = 0x20,
+ DEVICE_STATUS = 0x21,
+ FREQUENCY_REG0 = 0x30,
FREQUENCY_REG1,
FREQUENCY_REG2,
FREQUENCY_REG3,
MEMORY_LENGTH,
CLOCK_SOURCE,
- TRIGGER_STATUS0 = 0x40,
+ TRIGGER_STATUS0 = 0x40,
TRIGGER_STATUS1,
TRIGGER_STATUS2,
TRIGGER_STATUS3,
TRIGGER_STATUS7,
TRIGGER_STATUS8,
- TRIGGER_COUNT0 = 0x50,
+ TRIGGER_COUNT0 = 0x50,
TRIGGER_COUNT1,
- TRIGGER_LEVEL0 = 0x55,
+ TRIGGER_LEVEL0 = 0x55,
TRIGGER_LEVEL1,
TRIGGER_LEVEL2,
TRIGGER_LEVEL3,
FILTER_ENABLE = 0x70,
FILTER_STATUS,
- ENABLE_DELAY_TIME0 = 0x7A,
+ ENABLE_DELAY_TIME0 = 0x7a,
ENABLE_DELAY_TIME1,
- ENABLE_INSERT_DATA0 = 0x80,
+ ENABLE_INSERT_DATA0 = 0x80,
ENABLE_INSERT_DATA1,
ENABLE_INSERT_DATA2,
ENABLE_INSERT_DATA3,
COMPRESSION_TYPE0,
COMPRESSION_TYPE1,
- TRIGGER_ADDRESS0 = 0x90,
+ TRIGGER_ADDRESS0 = 0x90,
TRIGGER_ADDRESS1,
TRIGGER_ADDRESS2,
- NOW_ADDRESS0 = 0x96,
+ NOW_ADDRESS0 = 0x96,
NOW_ADDRESS1,
NOW_ADDRESS2,
- STOP_ADDRESS0 = 0x9B,
+ STOP_ADDRESS0 = 0x9b,
STOP_ADDRESS1,
STOP_ADDRESS2,
- READ_RAM_STATUS = 0xA0
+ READ_RAM_STATUS = 0xa0,
};
-static int g_trigger_status[9] = {0};
+static int g_trigger_status[9] = { 0 };
static int g_trigger_count = 1;
-
-static int g_filter_status[8] = {0};
+static int g_filter_status[8] = { 0 };
static int g_filter_enable = 0;
static int g_freq_value = 100;
static int g_freq_scale = FREQ_SCALE_MHZ;
static int g_memory_size = MEMORY_SIZE_512K;
-static int g_ramsize_triggerbar_addr = 0x80000>>2;
+static int g_ramsize_triggerbar_addr = 0x80000 >> 2;
static int g_triggerbar_addr = 0x3fe;
static int g_compression = COMPRESSION_NONE;
-// maybe unk specifies an "endpoint" or "register" of sorts
-static int analyzer_write_status(libusb_device_handle *devh, unsigned char unk, unsigned char flags)
+/* Maybe unk specifies an "endpoint" or "register" of sorts. */
+static int analyzer_write_status(libusb_device_handle *devh, unsigned char unk,
+ unsigned char flags)
{
assert(unk <= 3);
return gl_reg_write(devh, START_STATUS, unk << 6 | flags);
static int __analyzer_set_freq(libusb_device_handle *devh, int freq, int scale)
{
- int reg0=0, divisor=0, reg2=0;
+ int reg0 = 0, divisor = 0, reg2 = 0;
+
switch (scale) {
- case FREQ_SCALE_MHZ: // MHz
- if (freq >= 100 && freq <= 200) {
- reg0 = freq * 0.1;
- divisor = 1;
- reg2 = 0;
- break;
- }
- if (freq >= 50 && freq < 100) {
- reg0 = freq * 0.2;
- divisor = 2;
- reg2 = 0;
- break;
- }
- if (freq >= 10 && freq < 50) {
- if (freq == 25) {
- reg0 = 25;
- divisor = 5;
- reg2 = 1;
- break;
- } else {
- reg0 = freq * 0.5;
- divisor = 5;
- reg2 = 1;
- break;
- }
- }
- if (freq >= 2 && freq < 10) {
+ case FREQ_SCALE_MHZ: /* MHz */
+ if (freq >= 100 && freq <= 200) {
+ reg0 = freq * 0.1;
+ divisor = 1;
+ reg2 = 0;
+ break;
+ }
+ if (freq >= 50 && freq < 100) {
+ reg0 = freq * 0.2;
+ divisor = 2;
+ reg2 = 0;
+ break;
+ }
+ if (freq >= 10 && freq < 50) {
+ if (freq == 25) {
+ reg0 = 25;
divisor = 5;
- reg0 = freq * 2;
- reg2 = 2;
+ reg2 = 1;
break;
- }
- if (freq == 1) {
+ } else {
+ reg0 = freq * 0.5;
divisor = 5;
- reg2 = 16;
- reg0 = 5;
+ reg2 = 1;
break;
}
+ }
+ if (freq >= 2 && freq < 10) {
divisor = 5;
- reg0 = 5;
- reg2 = 64;
+ reg0 = freq * 2;
+ reg2 = 2;
break;
- case FREQ_SCALE_HZ: // Hz
- if (freq >= 500 && freq < 1000) {
- reg0 = freq * 0.01;
- divisor = 10;
- reg2 = 64;
- break;
- }
- if (freq >= 300 && freq < 500) {
- reg0 = freq * 0.005 * 8;
- divisor = 5;
- reg2 = 67;
- break;
- }
- if (freq >= 100 && freq < 300) {
- reg0 = freq * 0.005 * 16;
- divisor = 5;
- reg2 = 68;
- break;
- }
+ }
+ if (freq == 1) {
divisor = 5;
+ reg2 = 16;
reg0 = 5;
+ break;
+ }
+ divisor = 5;
+ reg0 = 5;
+ reg2 = 64;
+ break;
+ case FREQ_SCALE_HZ: /* Hz */
+ if (freq >= 500 && freq < 1000) {
+ reg0 = freq * 0.01;
+ divisor = 10;
reg2 = 64;
break;
- case FREQ_SCALE_KHZ: // KHz
- if (freq >= 500 && freq < 1000) {
- reg0 = freq * 0.01;
- divisor = 5;
- reg2 = 17;
- break;
- }
- if (freq >= 100 && freq < 500) {
- reg0 = freq * 0.05;
- divisor = 5;
- reg2 = 32;
- break;
- }
- if (freq >= 50 && freq < 100) {
- reg0 = freq * 0.1;
- divisor = 5;
- reg2 = 33;
- break;
- }
- if (freq >= 10 && freq < 50) {
- if (freq == 25) {
- reg0 = 25;
- divisor = 5;
- reg2 = 49;
- break;
- }
- reg0 = freq * 0.5;
- divisor = 5;
- reg2 = 48;
- break;
- }
- if (freq >= 2 && freq < 10) {
+ }
+ if (freq >= 300 && freq < 500) {
+ reg0 = freq * 0.005 * 8;
+ divisor = 5;
+ reg2 = 67;
+ break;
+ }
+ if (freq >= 100 && freq < 300) {
+ reg0 = freq * 0.005 * 16;
+ divisor = 5;
+ reg2 = 68;
+ break;
+ }
+ divisor = 5;
+ reg0 = 5;
+ reg2 = 64;
+ break;
+ case FREQ_SCALE_KHZ: /* KHz */
+ if (freq >= 500 && freq < 1000) {
+ reg0 = freq * 0.01;
+ divisor = 5;
+ reg2 = 17;
+ break;
+ }
+ if (freq >= 100 && freq < 500) {
+ reg0 = freq * 0.05;
+ divisor = 5;
+ reg2 = 32;
+ break;
+ }
+ if (freq >= 50 && freq < 100) {
+ reg0 = freq * 0.1;
+ divisor = 5;
+ reg2 = 33;
+ break;
+ }
+ if (freq >= 10 && freq < 50) {
+ if (freq == 25) {
+ reg0 = 25;
divisor = 5;
- reg0 = freq * 2;
- reg2 = 50;
+ reg2 = 49;
break;
}
+ reg0 = freq * 0.5;
divisor = 5;
- reg0 = 5;
- reg2 = 64;
+ reg2 = 48;
break;
- default:
+ }
+ if (freq >= 2 && freq < 10) {
divisor = 5;
- reg0 = 5;
- reg2 = 64;
+ reg0 = freq * 2;
+ reg2 = 50;
break;
+ }
+ divisor = 5;
+ reg0 = 5;
+ reg2 = 64;
+ break;
+ default:
+ divisor = 5;
+ reg0 = 5;
+ reg2 = 64;
+ break;
}
if (gl_reg_write(devh, FREQUENCY_REG0, divisor) < 0)
- return -1; // divisor maybe?
+ return -1; /* Divisor maybe? */
if (gl_reg_write(devh, FREQUENCY_REG1, reg0) < 0)
- return -1; // 10 / 0.2
+ return -1; /* 10 / 0.2 */
if (gl_reg_write(devh, FREQUENCY_REG2, 0x02) < 0)
- return -1; // always 2
+ return -1; /* Always 2 */
if (gl_reg_write(devh, FREQUENCY_REG4, reg2) < 0)
return -1;
return 0;
}
-static void __analyzer_set_ramsize_trigger_address(libusb_device_handle *devh, unsigned int address)
+static void __analyzer_set_ramsize_trigger_address(libusb_device_handle *devh,
+ unsigned int address)
{
- gl_reg_write(devh, RAMSIZE_TRIGGERBAR_ADDRESS0, (address >> 0) & 0xFF);
- gl_reg_write(devh, RAMSIZE_TRIGGERBAR_ADDRESS1, (address >> 8) & 0xFF);
+ gl_reg_write(devh, RAMSIZE_TRIGGERBAR_ADDRESS0, (address >> 0) & 0xFF);
+ gl_reg_write(devh, RAMSIZE_TRIGGERBAR_ADDRESS1, (address >> 8) & 0xFF);
gl_reg_write(devh, RAMSIZE_TRIGGERBAR_ADDRESS2, (address >> 16) & 0xFF);
}
-static void __analyzer_set_triggerbar_address(libusb_device_handle *devh, unsigned int address)
+static void __analyzer_set_triggerbar_address(libusb_device_handle *devh,
+ unsigned int address)
{
- gl_reg_write(devh, TRIGGERBAR_ADDRESS0, (address >> 0) & 0xFF);
- gl_reg_write(devh, TRIGGERBAR_ADDRESS1, (address >> 8) & 0xFF);
+ gl_reg_write(devh, TRIGGERBAR_ADDRESS0, (address >> 0) & 0xFF);
+ gl_reg_write(devh, TRIGGERBAR_ADDRESS1, (address >> 8) & 0xFF);
gl_reg_write(devh, TRIGGERBAR_ADDRESS2, (address >> 16) & 0xFF);
}
-static void __analyzer_set_compression(libusb_device_handle *devh, unsigned int type)
+static void __analyzer_set_compression(libusb_device_handle *devh,
+ unsigned int type)
{
gl_reg_write(devh, COMPRESSION_TYPE0, (type >> 0) & 0xFF);
gl_reg_write(devh, COMPRESSION_TYPE1, (type >> 8) & 0xFF);
}
-static void __analyzer_set_trigger_count(libusb_device_handle *devh, unsigned int count)
+static void __analyzer_set_trigger_count(libusb_device_handle *devh,
+ unsigned int count)
{
gl_reg_write(devh, TRIGGER_COUNT0, (count >> 0) & 0xFF);
gl_reg_write(devh, TRIGGER_COUNT1, (count >> 8) & 0xFF);
void analyzer_reset(libusb_device_handle *devh)
{
- analyzer_write_status(devh, 3, STATUS_FLAG_NONE); // reset device
- analyzer_write_status(devh, 3, STATUS_FLAG_RESET); // reset device
+ analyzer_write_status(devh, 3, STATUS_FLAG_NONE); // reset device
+ analyzer_write_status(devh, 3, STATUS_FLAG_RESET); // reset device
}
void analyzer_initialize(libusb_device_handle *devh)
void analyzer_wait(libusb_device_handle *devh, int set, int unset)
{
int status;
- while(1) {
+ while (1) {
status = gl_reg_read(devh, DEVICE_STATUS);
if ((status & set) && ((status & unset) == 0))
return;
(void)gl_reg_read(devh, READ_RAM_STATUS);
}
-int analyzer_read_data(libusb_device_handle *devh, void *buffer, unsigned int size)
+int analyzer_read_data(libusb_device_handle *devh, void *buffer,
+ unsigned int size)
{
return gl_read_bulk(devh, buffer, size);
}
void analyzer_configure(libusb_device_handle *devh)
{
- // Write_Start_Status
+ int i;
+
+ /* Write_Start_Status */
analyzer_write_status(devh, 1, STATUS_FLAG_RESET);
analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
- // Start_Config_Outside_Device ?
+ /* Start_Config_Outside_Device ? */
analyzer_write_status(devh, 1, STATUS_FLAG_INIT);
analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
- //SetData_To_Frequence_Reg
+ /* SetData_To_Frequence_Reg */
__analyzer_set_freq(devh, g_freq_value, g_freq_scale);
- //SetMemory_Length
+ /* SetMemory_Length */
gl_reg_write(devh, MEMORY_LENGTH, g_memory_size);
- //Sele_Inside_Outside_Clock
+ /* Sele_Inside_Outside_Clock */
gl_reg_write(devh, CLOCK_SOURCE, 0x03);
- //Set_Trigger_Status
- int i;
+ /* Set_Trigger_Status */
for (i = 0; i < 9; i++)
gl_reg_write(devh, TRIGGER_STATUS0 + i, g_trigger_status[i]);
__analyzer_set_trigger_count(devh, g_trigger_count);
- //Set_Trigger_Level
+ /* Set_Trigger_Level */
gl_reg_write(devh, TRIGGER_LEVEL0, 0x31);
gl_reg_write(devh, TRIGGER_LEVEL1, 0x31);
gl_reg_write(devh, TRIGGER_LEVEL2, 0x31);
gl_reg_write(devh, TRIGGER_LEVEL3, 0x31);
- __analyzer_set_ramsize_trigger_address(devh, g_ramsize_triggerbar_addr); // size of actual memory >> 2
+ /* Size of actual memory >> 2 */
+ __analyzer_set_ramsize_trigger_address(devh, g_ramsize_triggerbar_addr);
__analyzer_set_triggerbar_address(devh, g_triggerbar_addr);
- //Set_Dont_Care_TriggerBar
+ /* Set_Dont_Care_TriggerBar */
gl_reg_write(devh, DONT_CARE_TRIGGERBAR, 0x01);
- //Enable_Status
+ /* Enable_Status */
analyzer_set_filter(devh);
- //Set_Enable_Delay_Time
+ /* Set_Enable_Delay_Time */
gl_reg_write(devh, 0x7a, 0x00);
gl_reg_write(devh, 0x7b, 0x00);
analyzer_write_enable_insert_data(devh);
- __analyzer_set_compression(devh,g_compression);
+ __analyzer_set_compression(devh, g_compression);
}
void analyzer_add_trigger(int channel, int type)
{
+ int i;
+
if ((channel & 0xf) >= 8)
return;
if (type == TRIGGER_HIGH || type == TRIGGER_LOW) {
- int i;
if (channel & CHANNEL_A)
i = 0;
else if (channel & CHANNEL_B)
i++;
channel -= 4;
}
- g_trigger_status[i] |= 1 << ((2 * channel) + (type == TRIGGER_LOW ? 1 : 0));
+ g_trigger_status[i] |=
+ 1 << ((2 * channel) + (type == TRIGGER_LOW ? 1 : 0));
} else {
if (type == TRIGGER_POSEDGE)
g_trigger_status[8] = 0x40;
- else if(type == TRIGGER_NEGEDGE)
+ else if (type == TRIGGER_NEGEDGE)
g_trigger_status[8] = 0x80;
else
g_trigger_status[8] = 0xc0;
- // FIXME: just guessed the index; need to verify
+ /* FIXME: Just guessed the index; need to verify. */
if (channel & CHANNEL_B)
g_trigger_status[8] += 8;
else if (channel & CHANNEL_C)
void analyzer_add_filter(int channel, int type)
{
+ int i;
+
if (type != FILTER_HIGH && type != FILTER_LOW)
return;
if ((channel & 0xf) >= 8)
return;
- int i;
if (channel & CHANNEL_A)
i = 0;
else if (channel & CHANNEL_B)
i = 6;
else
return;
+
if ((channel & 0xf) >= 4) {
i++;
channel -= 4;
}
- g_filter_status[i] |= 1 << ((2 * channel) + (type == FILTER_LOW ? 1 : 0));
+
+ g_filter_status[i] |=
+ 1 << ((2 * channel) + (type == FILTER_LOW ? 1 : 0));
+
g_filter_enable = 1;
}
g_memory_size = size;
}
-
void analyzer_set_ramsize_trigger_address(unsigned int address)
{
g_ramsize_triggerbar_addr = address;
unsigned int analyzer_read_id(libusb_device_handle *devh)
{
- return gl_reg_read(devh, DEVICE_ID1) << 8 | gl_reg_read(devh, DEVICE_ID0);
+ return gl_reg_read(devh, DEVICE_ID1) << 8 | gl_reg_read(devh,
+ DEVICE_ID0);
}
unsigned int analyzer_get_stop_address(libusb_device_handle *devh)
{
- return gl_reg_read(devh, STOP_ADDRESS2) << 16 | gl_reg_read(devh, STOP_ADDRESS1) << 8 | gl_reg_read(devh, STOP_ADDRESS0);
+ return gl_reg_read(devh, STOP_ADDRESS2) << 16 | gl_reg_read(devh,
+ STOP_ADDRESS1) << 8 | gl_reg_read(devh, STOP_ADDRESS0);
}
unsigned int analyzer_get_now_address(libusb_device_handle *devh)
{
- return gl_reg_read(devh, NOW_ADDRESS2) << 16 | gl_reg_read(devh, NOW_ADDRESS1) << 8 | gl_reg_read(devh, NOW_ADDRESS0);
+ return gl_reg_read(devh, NOW_ADDRESS2) << 16 | gl_reg_read(devh,
+ NOW_ADDRESS1) << 8 | gl_reg_read(devh, NOW_ADDRESS0);
}
unsigned int analyzer_get_trigger_address(libusb_device_handle *devh)
{
- return gl_reg_read(devh, TRIGGER_ADDRESS2) << 16 | gl_reg_read(devh, TRIGGER_ADDRESS1) << 8 | gl_reg_read(devh, TRIGGER_ADDRESS0);
+ return gl_reg_read(devh, TRIGGER_ADDRESS2) << 16 | gl_reg_read(devh,
+ TRIGGER_ADDRESS1) << 8 | gl_reg_read(devh, TRIGGER_ADDRESS0);
}
void analyzer_set_compression(unsigned int type)
analyzer_wait(devh, STATUS_READY | 8, STATUS_BUSY);
}
-int analyzer_decompress(void *input, unsigned int input_len, void *output, unsigned int output_len)
+int analyzer_decompress(void *input, unsigned int input_len, void *output,
+ unsigned int output_len)
{
unsigned char *in = input;
unsigned char *out = output;
*out++ = A;
*out++ = B;
*out++ = C;
- *out++ = 0; // channel D
+ *out++ = 0; /* Channel D */
}
input_len -= 4;