+++ /dev/null
-/*
- 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,
- PASS_WORD,
-
- DEVICE_ID0 = 0x10,
- DEVICE_ID1,
-
- START_STATUS = 0x20,
- DEVICE_STATUS = 0x21,
- FREQUENCY_REG0 = 0x30,
- FREQUENCY_REG1,
- FREQUENCY_REG2,
- FREQUENCY_REG3,
- FREQUENCY_REG4,
- MEMORY_LENGTH,
- CLOCK_SOURCE,
-
- TRIGGER_STATUS0 = 0x40,
- TRIGGER_STATUS1,
- TRIGGER_STATUS2,
- TRIGGER_STATUS3,
- TRIGGER_STATUS4,
- TRIGGER_STATUS5,
- TRIGGER_STATUS6,
- TRIGGER_STATUS7,
- TRIGGER_STATUS8,
-
- TRIGGER_COUNT0 = 0x50,
- TRIGGER_COUNT1,
-
- TRIGGER_LEVEL0 = 0x55,
- TRIGGER_LEVEL1,
- TRIGGER_LEVEL2,
- TRIGGER_LEVEL3,
-
- RAMSIZE_TRIGGERBAR_ADDRESS0 = 0x60,
- RAMSIZE_TRIGGERBAR_ADDRESS1,
- RAMSIZE_TRIGGERBAR_ADDRESS2,
- TRIGGERBAR_ADDRESS0,
- TRIGGERBAR_ADDRESS1,
- TRIGGERBAR_ADDRESS2,
- DONT_CARE_TRIGGERBAR,
-
- FILTER_ENABLE = 0x70,
- FILTER_STATUS,
-
- ENABLE_DELAY_TIME0 = 0x7A,
- ENABLE_DELAY_TIME1,
-
- ENABLE_INSERT_DATA0 = 0x80,
- ENABLE_INSERT_DATA1,
- ENABLE_INSERT_DATA2,
- ENABLE_INSERT_DATA3,
- COMPRESSION_TYPE0,
- COMPRESSION_TYPE1,
-
- TRIGGER_ADDRESS0 = 0x90,
- TRIGGER_ADDRESS1,
- TRIGGER_ADDRESS2,
-
- NOW_ADDRESS0 = 0x96,
- NOW_ADDRESS1,
- NOW_ADDRESS2,
-
- STOP_ADDRESS0 = 0x9B,
- STOP_ADDRESS1,
- STOP_ADDRESS2,
-
- READ_RAM_STATUS = 0xA0
-};
-
-static int g_trigger_status[9] = {0};
-static int g_trigger_count = 1;
-
-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_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)
-{
- 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;
- 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) {
- divisor = 5;
- reg0 = freq * 2;
- reg2 = 2;
- 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;
- }
- 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;
- reg2 = 49;
- break;
- }
- reg0 = freq * 0.5;
- divisor = 5;
- reg2 = 48;
- break;
- }
- if (freq >= 2 && freq < 10) {
- divisor = 5;
- 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?
-
- if (gl_reg_write(devh, FREQUENCY_REG1, reg0) < 0)
- return -1; // 10 / 0.2
-
- if (gl_reg_write(devh, FREQUENCY_REG2, 0x02) < 0)
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- gl_reg_write(devh, TRIGGER_COUNT0, (count >> 0) & 0xFF);
- gl_reg_write(devh, TRIGGER_COUNT1, (count >> 8) & 0xFF);
-}
-
-static void analyzer_write_enable_insert_data(libusb_device_handle *devh)
-{
- gl_reg_write(devh, ENABLE_INSERT_DATA0, 0x12);
- gl_reg_write(devh, ENABLE_INSERT_DATA1, 0x34);
- gl_reg_write(devh, ENABLE_INSERT_DATA2, 0x56);
- gl_reg_write(devh, ENABLE_INSERT_DATA3, 0x78);
-}
-
-static void analyzer_set_filter(libusb_device_handle *devh)
-{
- int i;
- gl_reg_write(devh, FILTER_ENABLE, g_filter_enable);
- for (i = 0; i < 8; i++)
- gl_reg_write(devh, FILTER_STATUS + i, g_filter_status[i]);
-}
-
-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
-}
-
-void analyzer_initialize(libusb_device_handle *devh)
-{
- analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
- analyzer_write_status(devh, 1, STATUS_FLAG_INIT);
- analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
-}
-
-void analyzer_wait(libusb_device_handle *devh, int set, int unset)
-{
- int status;
- while(1) {
- status = gl_reg_read(devh, DEVICE_STATUS);
- if ((status & set) && ((status & unset) == 0))
- return;
- }
-}
-
-void analyzer_read_start(libusb_device_handle *devh)
-{
- int i;
-
- analyzer_write_status(devh, 3, STATUS_FLAG_20 | STATUS_FLAG_READ);
-
- for (i = 0; i < 8; i++)
- (void)gl_reg_read(devh, READ_RAM_STATUS);
-}
-
-int analyzer_read_data(libusb_device_handle *devh, void *buffer, unsigned int size)
-{
- return gl_read_bulk(devh, buffer, size);
-}
-
-void analyzer_read_stop(libusb_device_handle *devh)
-{
- analyzer_write_status(devh, 3, STATUS_FLAG_20);
- analyzer_write_status(devh, 3, STATUS_FLAG_NONE);
-}
-
-void analyzer_start(libusb_device_handle *devh)
-{
- analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
- analyzer_write_status(devh, 1, STATUS_FLAG_INIT);
- analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
- analyzer_write_status(devh, 1, STATUS_FLAG_GO);
-}
-
-void analyzer_configure(libusb_device_handle *devh)
-{
- // Write_Start_Status
- analyzer_write_status(devh, 1, STATUS_FLAG_RESET);
- analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
-
- // Start_Config_Outside_Device ?
- analyzer_write_status(devh, 1, STATUS_FLAG_INIT);
- analyzer_write_status(devh, 1, STATUS_FLAG_NONE);
-
- //SetData_To_Frequence_Reg
- __analyzer_set_freq(devh, g_freq_value, g_freq_scale);
-
- //SetMemory_Length
- gl_reg_write(devh, MEMORY_LENGTH, g_memory_size);
-
- //Sele_Inside_Outside_Clock
- gl_reg_write(devh, CLOCK_SOURCE, 0x03);
-
- //Set_Trigger_Status
- int i;
- 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
- 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
- __analyzer_set_triggerbar_address(devh, g_triggerbar_addr);
-
- //Set_Dont_Care_TriggerBar
- gl_reg_write(devh, DONT_CARE_TRIGGERBAR, 0x01);
-
- //Enable_Status
- analyzer_set_filter(devh);
-
- //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);
-}
-
-void analyzer_add_trigger(int channel, int type)
-{
- 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 = 2;
- else if (channel & CHANNEL_C)
- i = 4;
- else if (channel & CHANNEL_D)
- i = 6;
- else
- return;
- if ((channel & 0xf) >= 4) {
- i++;
- channel -= 4;
- }
- 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)
- g_trigger_status[8] = 0x80;
- else
- g_trigger_status[8] = 0xc0;
-
- // FIXME: just guessed the index; need to verify
- if (channel & CHANNEL_B)
- g_trigger_status[8] += 8;
- else if (channel & CHANNEL_C)
- g_trigger_status[8] += 16;
- else if (channel & CHANNEL_D)
- g_trigger_status[8] += 24;
- g_trigger_status[8] += channel % 8;
- }
-}
-
-void analyzer_add_filter(int channel, int type)
-{
- 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 = 2;
- else if (channel & CHANNEL_C)
- i = 4;
- else if (channel & CHANNEL_D)
- 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_enable = 1;
-}
-
-void analyzer_set_trigger_count(int count)
-{
- g_trigger_count = count;
-}
-
-void analyzer_set_freq(int freq, int scale)
-{
- g_freq_value = freq;
- g_freq_scale = scale;
-}
-
-void analyzer_set_memory_size(unsigned int size)
-{
- g_memory_size = size;
-}
-
-
-void analyzer_set_ramsize_trigger_address(unsigned int address)
-{
- g_ramsize_triggerbar_addr = address;
-}
-
-void analyzer_set_triggerbar_address(unsigned int address)
-{
- g_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);
-}
-
-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);
-}
-
-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);
-}
-
-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);
-}
-
-void analyzer_set_compression(unsigned int type)
-{
- g_compression = type;
-}
-
-void analyzer_wait_button(libusb_device_handle *devh)
-{
- analyzer_wait(devh, STATUS_BUTTON_PRESSED, 0);
-}
-
-void analyzer_wait_data(libusb_device_handle *devh)
-{
- analyzer_wait(devh, STATUS_READY | 8, STATUS_BUSY);
-}
-
-int analyzer_decompress(void *input, unsigned int input_len, void *output, unsigned int output_len)
-{
- unsigned char *in = input;
- unsigned char *out = output;
- unsigned int A, B, C, count;
- unsigned int written = 0;
-
- while (input_len > 0) {
- A = *in++;
- B = *in++;
- C = *in++;
- count = (*in++) + 1;
-
- if (count > output_len)
- count = output_len;
- output_len -= count;
- written += count;
-
- while (count--) {
- *out++ = A;
- *out++ = B;
- *out++ = C;
- *out++ = 0; // channel D
- }
-
- input_len -= 4;
- if (output_len == 0)
- break;
- }
-
- return written;
-}
projects / libsigrok.git / blobdiff