fx2lafw.rel \
gpif-acquisition.rel
-hantek_6022be_headers = \
+scope_headers = \
include/dscr_hantek_6022be.inc \
+ include/scope.inc \
include/common.inc
-hantek_6022be_sources = \
- hantek_6022be.c
+hantek_6022be_headers = $(scope_headers)
+hantek_6022be_sources = hw/hantek-6022be/fw.c
+hantek_6022be_objects = hw/hantek-6022be/fw.rel
-hantek_6022be_objects = \
- hantek_6022be.rel
+hantek_6022bl_headers = $(scope_headers)
+hantek_6022bl_sources = hw/hantek-6022bl/fw.c
+hantek_6022bl_objects = hw/hantek-6022bl/fw.rel
-hantek_6022bl_headers = \
- include/dscr_hantek_6022be.inc \
- include/common.inc
-
-hantek_6022bl_sources = \
- hantek_6022bl.c
-
-hantek_6022bl_objects = \
- hantek_6022bl.rel
-
-sainsmart_dds120_headers = \
- include/dscr_hantek_6022be.inc \
- include/common.inc
-
-sainsmart_dds120_sources = \
- sainsmart_dds120.c
-
-sainsmart_dds120_objects = \
- sainsmart_dds120.rel
+sainsmart_dds120_headers = $(scope_headers)
+sainsmart_dds120_sources = hw/sainsmart-dds120/fw.c
+sainsmart_dds120_objects = hw/sainsmart-dds120/fw.rel
fx2lib_headers = \
fx2lib/include/autovector.h \
+++ /dev/null
-/*
- * This file is part of the sigrok-firmware-fx2lafw project.
- *
- * Copyright (C) 2009 Ubixum, Inc.
- * Copyright (C) 2015 Jochen Hoenicke
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <fx2macros.h>
-#include <fx2ints.h>
-#include <autovector.h>
-#include <delay.h>
-#include <setupdat.h>
-
-#define SET_ANALOG_MODE()
-
-#define SET_COUPLING(x)
-
-#define SET_CALIBRATION_PULSE(x)
-
-/* Toggle the 1kHz calibration pin, only accurate up to ca. 8MHz. */
-#define TOGGLE_CALIBRATION_PIN() PA7 = !PA7
-
-#define LED_CLEAR() PC0 = 1; PC1 = 1;
-#define LED_GREEN() PC0 = 1; PC1 = 0;
-#define LED_RED() PC0 = 0; PC1 = 1;
-
-#define TIMER2_VAL 500
-
-/* CTLx pin index (IFCLK, ADC clock input). */
-#define CTL_BIT 2
-
-#define OUT0 ((1 << CTL_BIT) << 4) /* OEx = 1, CTLx = 0 */
-#define OE_CTL (((1 << CTL_BIT) << 4) | (1 << CTL_BIT)) /* OEx = CTLx = 1 */
-
-/* Change to support as many interfaces as you need. */
-static BYTE altiface = 0;
-
-static volatile WORD ledcounter = 0;
-
-static volatile __bit dosud = FALSE;
-static volatile __bit dosuspend = FALSE;
-
-extern __code BYTE highspd_dscr;
-extern __code BYTE fullspd_dscr;
-
-void resume_isr(void) __interrupt RESUME_ISR
-{
- CLEAR_RESUME();
-}
-
-void sudav_isr(void) __interrupt SUDAV_ISR
-{
- dosud = TRUE;
- CLEAR_SUDAV();
-}
-
-void usbreset_isr(void) __interrupt USBRESET_ISR
-{
- handle_hispeed(FALSE);
- CLEAR_USBRESET();
-}
-
-void hispeed_isr(void) __interrupt HISPEED_ISR
-{
- handle_hispeed(TRUE);
- CLEAR_HISPEED();
-}
-
-void suspend_isr(void) __interrupt SUSPEND_ISR
-{
- dosuspend = TRUE;
- CLEAR_SUSPEND();
-}
-
-void timer2_isr(void) __interrupt TF2_ISR
-{
- TOGGLE_CALIBRATION_PIN();
-
- if (ledcounter && (--ledcounter == 0))
- LED_CLEAR();
-
- TF2 = 0;
-}
-
-/*
- * This sets three bits for each channel, one channel at a time.
- * For channel 0 we want to set bits 5, 6 & 7
- * For channel 1 we want to set bits 2, 3 & 4
- *
- * We convert the input values that are strange due to original
- * firmware code into the value of the three bits as follows:
- *
- * val -> bits
- * 1 -> 010b
- * 2 -> 001b
- * 5 -> 000b
- * 10 -> 011b
- *
- * The third bit is always zero since there are only four outputs connected
- * in the serial selector chip.
- *
- * The multiplication of the converted value by 0x24 sets the relevant bits in
- * both channels and then we mask it out to only affect the channel currently
- * requested.
- */
-static BOOL set_voltage(BYTE channel, BYTE val)
-{
- BYTE bits, mask;
-
- switch (val) {
- case 1:
- bits = 0x24 * 2;
- break;
- case 2:
- bits = 0x24 * 1;
- break;
- case 5:
- bits = 0x24 * 0;
- break;
- case 10:
- bits = 0x24 * 3;
- break;
- default:
- return FALSE;
- }
-
- mask = (channel) ? 0xe0 : 0x1c;
- IOC = (IOC & ~mask) | (bits & mask);
-
- return TRUE;
-}
-
-/**
- * Each LSB in the nibble of the byte controls the coupling per channel.
- *
- * Setting PE3 disables AC coupling capacitor on CH0.
- * Setting PE0 disables AC coupling capacitor on CH1.
- */
-static void set_coupling(BYTE coupling_cfg)
-{
- if (coupling_cfg & 0x01)
- IOE |= 0x08;
- else
- IOE &= ~0x08;
-
- if (coupling_cfg & 0x10)
- IOE |= 0x01;
- else
- IOE &= ~0x01;
-}
-
-static BOOL set_numchannels(BYTE numchannels)
-{
- if (numchannels == 1 || numchannels == 2) {
- BYTE fifocfg = 7 + numchannels;
- EP2FIFOCFG = fifocfg;
- EP6FIFOCFG = fifocfg;
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void clear_fifo(void)
-{
- GPIFABORT = 0xff;
- SYNCDELAY3;
- FIFORESET = 0x80;
- SYNCDELAY3;
- FIFORESET = 0x82;
- SYNCDELAY3;
- FIFORESET = 0x86;
- SYNCDELAY3;
- FIFORESET = 0;
-}
-
-static void stop_sampling(void)
-{
- GPIFABORT = 0xff;
- SYNCDELAY3;
- INPKTEND = (altiface == 0) ? 6 : 2;
-}
-
-static void start_sampling(void)
-{
- int i;
-
- SET_ANALOG_MODE();
-
- clear_fifo();
-
- for (i = 0; i < 1000; i++);
-
- while (!(GPIFTRIG & 0x80))
- ;
-
- SYNCDELAY3;
- GPIFTCB1 = 0x28;
- SYNCDELAY3;
- GPIFTCB0 = 0;
- GPIFTRIG = (altiface == 0) ? 6 : 4;
-
- /* Set green LED, don't clear LED afterwards (ledcounter = 0). */
- LED_GREEN();
- ledcounter = 0;
-}
-
-static void select_interface(BYTE alt)
-{
- const BYTE *pPacketSize = \
- ((USBCS & bmHSM) ? &highspd_dscr : &fullspd_dscr)
- + (9 + (16 * alt) + 9 + 4);
-
- altiface = alt;
-
- if (alt == 0) {
- /* Bulk on EP6. */
- EP2CFG = 0x00;
- EP6CFG = 0xe0;
- EP6GPIFFLGSEL = 1;
- EP6AUTOINLENL = pPacketSize[0];
- EP6AUTOINLENH = pPacketSize[1];
- } else {
- /* Iso on EP2. */
- EP2CFG = 0xd8;
- EP6CFG = 0x00;
- EP2GPIFFLGSEL = 1;
- EP2AUTOINLENL = pPacketSize[0];
- EP2AUTOINLENH = pPacketSize[1] & 0x7;
- EP2ISOINPKTS = (pPacketSize[1] >> 3) + 1;
- }
-}
-
-static const struct samplerate_info {
- BYTE rate;
- BYTE wait0;
- BYTE wait1;
- BYTE opc0;
- BYTE opc1;
- BYTE out0;
- BYTE ifcfg;
-} samplerates[] = {
- { 48, 0x80, 0, 3, 0, 0x00, 0xea },
- { 30, 0x80, 0, 3, 0, 0x00, 0xaa },
- { 24, 1, 0, 2, 1, OUT0, 0xca },
- { 16, 1, 1, 2, 0, OUT0, 0xca },
- { 12, 2, 1, 2, 0, OUT0, 0xca },
- { 8, 3, 2, 2, 0, OUT0, 0xca },
- { 4, 6, 5, 2, 0, OUT0, 0xca },
- { 2, 12, 11, 2, 0, OUT0, 0xca },
- { 1, 24, 23, 2, 0, OUT0, 0xca },
- { 50, 48, 47, 2, 0, OUT0, 0xca },
- { 20, 120, 119, 2, 0, OUT0, 0xca },
- { 10, 240, 239, 2, 0, OUT0, 0xca },
-};
-
-static BOOL set_samplerate(BYTE rate)
-{
- BYTE i = 0;
-
- while (samplerates[i].rate != rate) {
- i++;
- if (i == sizeof(samplerates) / sizeof(samplerates[0]))
- return FALSE;
- }
-
- IFCONFIG = samplerates[i].ifcfg;
-
- AUTOPTRSETUP = 7;
- AUTOPTRH2 = 0xE4; /* 0xE400: GPIF waveform descriptor 0. */
- AUTOPTRL2 = 0x00;
-
- /*
- * The program for low-speed, e.g. 1 MHz, is:
- * wait 24, CTLx=0, FIFO
- * wait 23, CTLx=1
- * jump 0, CTLx=1
- *
- * The program for 24 MHz is:
- * wait 1, CTLx=0, FIFO
- * jump 0, CTLx=1
- *
- * The program for 30/48 MHz is:
- * jump 0, CTLx=Z, FIFO, LOOP
- *
- * (CTLx is device-dependent, could be e.g. CTL0 or CTL2.)
- */
-
- /* LENGTH / BRANCH 0-7 */
- EXTAUTODAT2 = samplerates[i].wait0;
- EXTAUTODAT2 = samplerates[i].wait1;
- EXTAUTODAT2 = 1;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* OPCODE 0-7 */
- EXTAUTODAT2 = samplerates[i].opc0;
- EXTAUTODAT2 = samplerates[i].opc1;
- EXTAUTODAT2 = 1; /* DATA=0 DP=1 */
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* OUTPUT 0-7 */
- EXTAUTODAT2 = samplerates[i].out0;
- EXTAUTODAT2 = OE_CTL;
- EXTAUTODAT2 = OE_CTL;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* LOGIC FUNCTION 0-7 */
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- for (i = 0; i < 96; i++)
- EXTAUTODAT2 = 0;
-
- return TRUE;
-}
-
-static BOOL set_calibration_pulse(BYTE fs)
-{
- switch (fs) {
- case 0: // 100Hz
- RCAP2L = -10000 & 0xff;
- RCAP2H = (-10000 & 0xff00) >> 8;
- return TRUE;
- case 1: // 1kHz
- RCAP2L = -1000 & 0xff;
- RCAP2H = (-1000 & 0xff00) >> 8;
- return TRUE;
- case 10: // 1kHz
- RCAP2L = (BYTE)(-100 & 0xff);
- RCAP2H = 0xff;
- return TRUE;
- case 50: // 50kHz
- RCAP2L = (BYTE)(-20 & 0xff);
- RCAP2H = 0xff;
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-/* Set *alt_ifc to the current alt interface for ifc. */
-BOOL handle_get_interface(BYTE ifc, BYTE *alt_ifc)
-{
- (void)ifc;
-
- *alt_ifc = altiface;
-
- return TRUE;
-}
-
-/*
- * Return TRUE if you set the interface requested.
- *
- * Note: This function should reconfigure and reset the endpoints
- * according to the interface descriptors you provided.
- */
-BOOL handle_set_interface(BYTE ifc,BYTE alt_ifc)
-{
- if (ifc == 0)
- select_interface(alt_ifc);
-
- return TRUE;
-}
-
-BYTE handle_get_configuration(void)
-{
- /* We only support configuration 0. */
- return 0;
-}
-
-BOOL handle_set_configuration(BYTE cfg)
-{
- /* We only support configuration 0. */
- (void)cfg;
-
- return TRUE;
-}
-
-BOOL handle_vendorcommand(BYTE cmd)
-{
- stop_sampling();
-
- /* Set red LED, clear after timeout. */
- LED_RED();
- ledcounter = 1000;
-
- /* Clear EP0BCH/L for each valid command. */
- if (cmd >= 0xe0 && cmd <= 0xe6) {
- EP0BCH = 0;
- EP0BCL = 0;
- while (EP0CS & bmEPBUSY);
- }
-
- switch (cmd) {
- case 0xe0:
- case 0xe1:
- set_voltage(cmd - 0xe0, EP0BUF[0]);
- return TRUE;
- case 0xe2:
- set_samplerate(EP0BUF[0]);
- return TRUE;
- case 0xe3:
- if (EP0BUF[0] == 1)
- start_sampling();
- return TRUE;
- case 0xe4:
- set_numchannels(EP0BUF[0]);
- return TRUE;
- case 0xe5:
- SET_COUPLING(EP0BUF[0]);
- return TRUE;
- case 0xe6:
- SET_CALIBRATION_PULSE(EP0BUF[0]);
- return TRUE;
- }
-
- return FALSE; /* Not handled by handlers. */
-}
-
-static void init(void)
-{
- EP4CFG = 0;
- EP8CFG = 0;
-
- SET_ANALOG_MODE();
-
- /* In idle mode tristate all outputs. */
- GPIFIDLECTL = 0x00; /* Don't enable CTL0-5 outputs. */
- GPIFCTLCFG = 0x80; /* TRICTL=1. CTL0-2: CMOS outputs, tri-statable. */
- GPIFWFSELECT = 0x00;
- GPIFREADYSTAT = 0x00;
-
- stop_sampling();
-
- set_voltage(0, 1);
- set_voltage(1, 1);
- set_samplerate(1);
- set_numchannels(2);
- select_interface(0);
-}
-
-static void main(void)
-{
- /* Save energy. */
- SETCPUFREQ(CLK_12M);
-
- init();
-
- /* Set up interrupts. */
- USE_USB_INTS();
-
- ENABLE_SUDAV();
- ENABLE_USBRESET();
- ENABLE_HISPEED();
- ENABLE_SUSPEND();
- ENABLE_RESUME();
-
- /* Global (8051) interrupt enable. */
- EA = 1;
-
- /* Init timer2. */
- RCAP2L = -TIMER2_VAL & 0xff;
- RCAP2H = (-TIMER2_VAL & 0xff00) >> 8;
- T2CON = 0;
- ET2 = 1;
- TR2 = 1;
-
- RENUMERATE_UNCOND();
-
- PORTECFG = 0;
- PORTCCFG = 0;
- PORTACFG = 0;
- OEE = 0xff;
- OEC = 0xff;
- OEA = 0xff;
-
- while (TRUE) {
- if (dosud) {
- dosud = FALSE;
- handle_setupdata();
- }
-
- if (dosuspend) {
- dosuspend = FALSE;
- do {
- /* Make sure ext wakeups are cleared. */
- WAKEUPCS |= bmWU | bmWU2;
- SUSPEND = 1;
- PCON |= 1;
- __asm
- nop
- nop
- nop
- nop
- nop
- nop
- nop
- __endasm;
- } while (!remote_wakeup_allowed && REMOTE_WAKEUP());
-
- /* Resume (TRM 6.4). */
- if (REMOTE_WAKEUP()) {
- delay(5);
- USBCS |= bmSIGRESUME;
- delay(15);
- USBCS &= ~bmSIGRESUME;
- }
- }
- }
-}
+++ /dev/null
-/*
- * This file is part of the sigrok-firmware-fx2lafw project.
- *
- * Copyright (C) 2009 Ubixum, Inc.
- * Copyright (C) 2015 Jochen Hoenicke
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <fx2macros.h>
-#include <fx2ints.h>
-#include <autovector.h>
-#include <delay.h>
-#include <setupdat.h>
-
-#define SET_ANALOG_MODE() PA7 = 1
-
-#define SET_COUPLING(x)
-
-#define SET_CALIBRATION_PULSE(x)
-
-/* Toggle the 1kHz calibration pin, only accurate up to ca. 8MHz. */
-#define TOGGLE_CALIBRATION_PIN() PC2 = !PC2
-
-#define LED_CLEAR() PC0 = 1; PC1 = 1;
-#define LED_GREEN() PC0 = 1; PC1 = 0;
-#define LED_RED() PC0 = 0; PC1 = 1;
-
-#define TIMER2_VAL 500
-
-/* CTLx pin index (IFCLK, ADC clock input). */
-#define CTL_BIT 0
-
-#define OUT0 ((1 << CTL_BIT) << 4) /* OEx = 1, CTLx = 0 */
-#define OE_CTL (((1 << CTL_BIT) << 4) | (1 << CTL_BIT)) /* OEx = CTLx = 1 */
-
-/* Change to support as many interfaces as you need. */
-static BYTE altiface = 0;
-
-static volatile WORD ledcounter = 0;
-
-static volatile __bit dosud = FALSE;
-static volatile __bit dosuspend = FALSE;
-
-extern __code BYTE highspd_dscr;
-extern __code BYTE fullspd_dscr;
-
-void resume_isr(void) __interrupt RESUME_ISR
-{
- CLEAR_RESUME();
-}
-
-void sudav_isr(void) __interrupt SUDAV_ISR
-{
- dosud = TRUE;
- CLEAR_SUDAV();
-}
-
-void usbreset_isr(void) __interrupt USBRESET_ISR
-{
- handle_hispeed(FALSE);
- CLEAR_USBRESET();
-}
-
-void hispeed_isr(void) __interrupt HISPEED_ISR
-{
- handle_hispeed(TRUE);
- CLEAR_HISPEED();
-}
-
-void suspend_isr(void) __interrupt SUSPEND_ISR
-{
- dosuspend = TRUE;
- CLEAR_SUSPEND();
-}
-
-void timer2_isr(void) __interrupt TF2_ISR
-{
- TOGGLE_CALIBRATION_PIN();
-
- if (ledcounter && (--ledcounter == 0))
- LED_CLEAR();
-
- TF2 = 0;
-}
-
-/*
- * This sets three bits for each channel, one channel at a time.
- * For channel 0 we want to set bits 1, 2 & 3
- * For channel 1 we want to set bits 4, 5 & 6
- *
- * We convert the input values that are strange due to original
- * firmware code into the value of the three bits as follows:
- *
- * val -> bits
- * 1 -> 010b
- * 2 -> 001b
- * 5 -> 000b
- * 10 -> 011b
- *
- * The third bit is always zero since there are only four outputs connected
- * in the serial selector chip.
- *
- * The multiplication of the converted value by 0x24 sets the relevant bits in
- * both channels and then we mask it out to only affect the channel currently
- * requested.
- */
-static BOOL set_voltage(BYTE channel, BYTE val)
-{
- BYTE bits, mask;
-
- switch (val) {
- case 1:
- bits = 0x02;
- break;
- case 2:
- bits = 0x01;
- break;
- case 5:
- bits = 0x00;
- break;
- case 10:
- bits = 0x03;
- break;
- default:
- return FALSE;
- }
-
- bits = bits << (channel ? 1 : 4);
- mask = (channel) ? 0x70 : 0x0e;
- IOA = (IOA & ~mask) | (bits & mask);
-
- return TRUE;
-}
-
-/**
- * Each LSB in the nibble of the byte controls the coupling per channel.
- *
- * Setting PE3 disables AC coupling capacitor on CH0.
- * Setting PE0 disables AC coupling capacitor on CH1.
- */
-static void set_coupling(BYTE coupling_cfg)
-{
- if (coupling_cfg & 0x01)
- IOE |= 0x08;
- else
- IOE &= ~0x08;
-
- if (coupling_cfg & 0x10)
- IOE |= 0x01;
- else
- IOE &= ~0x01;
-}
-
-static BOOL set_numchannels(BYTE numchannels)
-{
- if (numchannels == 1 || numchannels == 2) {
- BYTE fifocfg = 7 + numchannels;
- EP2FIFOCFG = fifocfg;
- EP6FIFOCFG = fifocfg;
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void clear_fifo(void)
-{
- GPIFABORT = 0xff;
- SYNCDELAY3;
- FIFORESET = 0x80;
- SYNCDELAY3;
- FIFORESET = 0x82;
- SYNCDELAY3;
- FIFORESET = 0x86;
- SYNCDELAY3;
- FIFORESET = 0;
-}
-
-static void stop_sampling(void)
-{
- GPIFABORT = 0xff;
- SYNCDELAY3;
- INPKTEND = (altiface == 0) ? 6 : 2;
-}
-
-static void start_sampling(void)
-{
- int i;
-
- SET_ANALOG_MODE();
-
- clear_fifo();
-
- for (i = 0; i < 1000; i++);
-
- while (!(GPIFTRIG & 0x80))
- ;
-
- SYNCDELAY3;
- GPIFTCB1 = 0x28;
- SYNCDELAY3;
- GPIFTCB0 = 0;
- GPIFTRIG = (altiface == 0) ? 6 : 4;
-
- /* Set green LED, don't clear LED afterwards (ledcounter = 0). */
- LED_GREEN();
- ledcounter = 0;
-}
-
-static void select_interface(BYTE alt)
-{
- const BYTE *pPacketSize = \
- ((USBCS & bmHSM) ? &highspd_dscr : &fullspd_dscr)
- + (9 + (16 * alt) + 9 + 4);
-
- altiface = alt;
-
- if (alt == 0) {
- /* Bulk on EP6. */
- EP2CFG = 0x00;
- EP6CFG = 0xe0;
- EP6GPIFFLGSEL = 1;
- EP6AUTOINLENL = pPacketSize[0];
- EP6AUTOINLENH = pPacketSize[1];
- } else {
- /* Iso on EP2. */
- EP2CFG = 0xd8;
- EP6CFG = 0x00;
- EP2GPIFFLGSEL = 1;
- EP2AUTOINLENL = pPacketSize[0];
- EP2AUTOINLENH = pPacketSize[1] & 0x7;
- EP2ISOINPKTS = (pPacketSize[1] >> 3) + 1;
- }
-}
-
-static const struct samplerate_info {
- BYTE rate;
- BYTE wait0;
- BYTE wait1;
- BYTE opc0;
- BYTE opc1;
- BYTE out0;
- BYTE ifcfg;
-} samplerates[] = {
- { 48, 0x80, 0, 3, 0, 0x00, 0xea },
- { 30, 0x80, 0, 3, 0, 0x00, 0xaa },
- { 24, 1, 0, 2, 1, OUT0, 0xca },
- { 16, 1, 1, 2, 0, OUT0, 0xca },
- { 12, 2, 1, 2, 0, OUT0, 0xca },
- { 8, 3, 2, 2, 0, OUT0, 0xca },
- { 4, 6, 5, 2, 0, OUT0, 0xca },
- { 2, 12, 11, 2, 0, OUT0, 0xca },
- { 1, 24, 23, 2, 0, OUT0, 0xca },
- { 50, 48, 47, 2, 0, OUT0, 0xca },
- { 20, 120, 119, 2, 0, OUT0, 0xca },
- { 10, 240, 239, 2, 0, OUT0, 0xca },
-};
-
-static BOOL set_samplerate(BYTE rate)
-{
- BYTE i = 0;
-
- while (samplerates[i].rate != rate) {
- i++;
- if (i == sizeof(samplerates) / sizeof(samplerates[0]))
- return FALSE;
- }
-
- IFCONFIG = samplerates[i].ifcfg;
-
- AUTOPTRSETUP = 7;
- AUTOPTRH2 = 0xE4; /* 0xE400: GPIF waveform descriptor 0. */
- AUTOPTRL2 = 0x00;
-
- /*
- * The program for low-speed, e.g. 1 MHz, is:
- * wait 24, CTLx=0, FIFO
- * wait 23, CTLx=1
- * jump 0, CTLx=1
- *
- * The program for 24 MHz is:
- * wait 1, CTLx=0, FIFO
- * jump 0, CTLx=1
- *
- * The program for 30/48 MHz is:
- * jump 0, CTLx=Z, FIFO, LOOP
- *
- * (CTLx is device-dependent, could be e.g. CTL0 or CTL2.)
- */
-
- /* LENGTH / BRANCH 0-7 */
- EXTAUTODAT2 = samplerates[i].wait0;
- EXTAUTODAT2 = samplerates[i].wait1;
- EXTAUTODAT2 = 1;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* OPCODE 0-7 */
- EXTAUTODAT2 = samplerates[i].opc0;
- EXTAUTODAT2 = samplerates[i].opc1;
- EXTAUTODAT2 = 1; /* DATA=0 DP=1 */
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* OUTPUT 0-7 */
- EXTAUTODAT2 = samplerates[i].out0;
- EXTAUTODAT2 = OE_CTL;
- EXTAUTODAT2 = OE_CTL;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* LOGIC FUNCTION 0-7 */
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- for (i = 0; i < 96; i++)
- EXTAUTODAT2 = 0;
-
- return TRUE;
-}
-
-static BOOL set_calibration_pulse(BYTE fs)
-{
- switch (fs) {
- case 0: // 100Hz
- RCAP2L = -10000 & 0xff;
- RCAP2H = (-10000 & 0xff00) >> 8;
- return TRUE;
- case 1: // 1kHz
- RCAP2L = -1000 & 0xff;
- RCAP2H = (-1000 & 0xff00) >> 8;
- return TRUE;
- case 10: // 1kHz
- RCAP2L = (BYTE)(-100 & 0xff);
- RCAP2H = 0xff;
- return TRUE;
- case 50: // 50kHz
- RCAP2L = (BYTE)(-20 & 0xff);
- RCAP2H = 0xff;
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-/* Set *alt_ifc to the current alt interface for ifc. */
-BOOL handle_get_interface(BYTE ifc, BYTE *alt_ifc)
-{
- (void)ifc;
-
- *alt_ifc = altiface;
-
- return TRUE;
-}
-
-/*
- * Return TRUE if you set the interface requested.
- *
- * Note: This function should reconfigure and reset the endpoints
- * according to the interface descriptors you provided.
- */
-BOOL handle_set_interface(BYTE ifc,BYTE alt_ifc)
-{
- if (ifc == 0)
- select_interface(alt_ifc);
-
- return TRUE;
-}
-
-BYTE handle_get_configuration(void)
-{
- /* We only support configuration 0. */
- return 0;
-}
-
-BOOL handle_set_configuration(BYTE cfg)
-{
- /* We only support configuration 0. */
- (void)cfg;
-
- return TRUE;
-}
-
-BOOL handle_vendorcommand(BYTE cmd)
-{
- stop_sampling();
-
- /* Set red LED, clear after timeout. */
- LED_RED();
- ledcounter = 1000;
-
- /* Clear EP0BCH/L for each valid command. */
- if (cmd >= 0xe0 && cmd <= 0xe6) {
- EP0BCH = 0;
- EP0BCL = 0;
- while (EP0CS & bmEPBUSY);
- }
-
- switch (cmd) {
- case 0xe0:
- case 0xe1:
- set_voltage(cmd - 0xe0, EP0BUF[0]);
- return TRUE;
- case 0xe2:
- set_samplerate(EP0BUF[0]);
- return TRUE;
- case 0xe3:
- if (EP0BUF[0] == 1)
- start_sampling();
- return TRUE;
- case 0xe4:
- set_numchannels(EP0BUF[0]);
- return TRUE;
- case 0xe5:
- SET_COUPLING(EP0BUF[0]);
- return TRUE;
- case 0xe6:
- SET_CALIBRATION_PULSE(EP0BUF[0]);
- return TRUE;
- }
-
- return FALSE; /* Not handled by handlers. */
-}
-
-static void init(void)
-{
- EP4CFG = 0;
- EP8CFG = 0;
-
- SET_ANALOG_MODE();
-
- /* In idle mode tristate all outputs. */
- GPIFIDLECTL = 0x00; /* Don't enable CTL0-5 outputs. */
- GPIFCTLCFG = 0x80; /* TRICTL=1. CTL0-2: CMOS outputs, tri-statable. */
- GPIFWFSELECT = 0x00;
- GPIFREADYSTAT = 0x00;
-
- stop_sampling();
-
- set_voltage(0, 1);
- set_voltage(1, 1);
- set_samplerate(1);
- set_numchannels(2);
- select_interface(0);
-}
-
-static void main(void)
-{
- /* Save energy. */
- SETCPUFREQ(CLK_12M);
-
- init();
-
- /* Set up interrupts. */
- USE_USB_INTS();
-
- ENABLE_SUDAV();
- ENABLE_USBRESET();
- ENABLE_HISPEED();
- ENABLE_SUSPEND();
- ENABLE_RESUME();
-
- /* Global (8051) interrupt enable. */
- EA = 1;
-
- /* Init timer2. */
- RCAP2L = -TIMER2_VAL & 0xff;
- RCAP2H = (-TIMER2_VAL & 0xff00) >> 8;
- T2CON = 0;
- ET2 = 1;
- TR2 = 1;
-
- RENUMERATE_UNCOND();
-
- PORTECFG = 0;
- PORTCCFG = 0;
- PORTACFG = 0;
- OEE = 0xff;
- OEC = 0xff;
- OEA = 0xff;
-
- while (TRUE) {
- if (dosud) {
- dosud = FALSE;
- handle_setupdata();
- }
-
- if (dosuspend) {
- dosuspend = FALSE;
- do {
- /* Make sure ext wakeups are cleared. */
- WAKEUPCS |= bmWU | bmWU2;
- SUSPEND = 1;
- PCON |= 1;
- __asm
- nop
- nop
- nop
- nop
- nop
- nop
- nop
- __endasm;
- } while (!remote_wakeup_allowed && REMOTE_WAKEUP());
-
- /* Resume (TRM 6.4). */
- if (REMOTE_WAKEUP()) {
- delay(5);
- USBCS |= bmSIGRESUME;
- delay(15);
- USBCS &= ~bmSIGRESUME;
- }
- }
- }
-}
--- /dev/null
+/*
+ * This file is part of the sigrok-firmware-fx2lafw project.
+ *
+ * Copyright (C) 2009 Ubixum, Inc.
+ * Copyright (C) 2015 Jochen Hoenicke
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <fx2macros.h>
+#include <fx2ints.h>
+#include <autovector.h>
+#include <delay.h>
+#include <setupdat.h>
+
+#define SET_ANALOG_MODE()
+
+#define SET_COUPLING(x)
+
+#define SET_CALIBRATION_PULSE(x)
+
+/* Toggle the 1kHz calibration pin, only accurate up to ca. 8MHz. */
+#define TOGGLE_CALIBRATION_PIN() PA7 = !PA7
+
+#define LED_CLEAR() PC0 = 1; PC1 = 1;
+#define LED_GREEN() PC0 = 1; PC1 = 0;
+#define LED_RED() PC0 = 0; PC1 = 1;
+
+#define TIMER2_VAL 500
+
+/* CTLx pin index (IFCLK, ADC clock input). */
+#define CTL_BIT 2
+
+#define OUT0 ((1 << CTL_BIT) << 4) /* OEx = 1, CTLx = 0 */
+
+static const struct samplerate_info samplerates[] = {
+ { 48, 0x80, 0, 3, 0, 0x00, 0xea },
+ { 30, 0x80, 0, 3, 0, 0x00, 0xaa },
+ { 24, 1, 0, 2, 1, OUT0, 0xca },
+ { 16, 1, 1, 2, 0, OUT0, 0xca },
+ { 12, 2, 1, 2, 0, OUT0, 0xca },
+ { 8, 3, 2, 2, 0, OUT0, 0xca },
+ { 4, 6, 5, 2, 0, OUT0, 0xca },
+ { 2, 12, 11, 2, 0, OUT0, 0xca },
+ { 1, 24, 23, 2, 0, OUT0, 0xca },
+ { 50, 48, 47, 2, 0, OUT0, 0xca },
+ { 20, 120, 119, 2, 0, OUT0, 0xca },
+ { 10, 240, 239, 2, 0, OUT0, 0xca },
+};
+
+/*
+ * This sets three bits for each channel, one channel at a time.
+ * For channel 0 we want to set bits 5, 6 & 7
+ * For channel 1 we want to set bits 2, 3 & 4
+ *
+ * We convert the input values that are strange due to original
+ * firmware code into the value of the three bits as follows:
+ *
+ * val -> bits
+ * 1 -> 010b
+ * 2 -> 001b
+ * 5 -> 000b
+ * 10 -> 011b
+ *
+ * The third bit is always zero since there are only four outputs connected
+ * in the serial selector chip.
+ *
+ * The multiplication of the converted value by 0x24 sets the relevant bits in
+ * both channels and then we mask it out to only affect the channel currently
+ * requested.
+ */
+static BOOL set_voltage(BYTE channel, BYTE val)
+{
+ BYTE bits, mask;
+
+ switch (val) {
+ case 1:
+ bits = 0x24 * 2;
+ break;
+ case 2:
+ bits = 0x24 * 1;
+ break;
+ case 5:
+ bits = 0x24 * 0;
+ break;
+ case 10:
+ bits = 0x24 * 3;
+ break;
+ default:
+ return FALSE;
+ }
+
+ mask = (channel) ? 0xe0 : 0x1c;
+ IOC = (IOC & ~mask) | (bits & mask);
+
+ return TRUE;
+}
+
+#include <scope.inc>
--- /dev/null
+/*
+ * This file is part of the sigrok-firmware-fx2lafw project.
+ *
+ * Copyright (C) 2009 Ubixum, Inc.
+ * Copyright (C) 2015 Jochen Hoenicke
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <fx2macros.h>
+#include <fx2ints.h>
+#include <autovector.h>
+#include <delay.h>
+#include <setupdat.h>
+
+#define SET_ANALOG_MODE() PA7 = 1
+
+#define SET_COUPLING(x)
+
+#define SET_CALIBRATION_PULSE(x)
+
+/* Toggle the 1kHz calibration pin, only accurate up to ca. 8MHz. */
+#define TOGGLE_CALIBRATION_PIN() PC2 = !PC2
+
+#define LED_CLEAR() PC0 = 1; PC1 = 1;
+#define LED_GREEN() PC0 = 1; PC1 = 0;
+#define LED_RED() PC0 = 0; PC1 = 1;
+
+#define TIMER2_VAL 500
+
+/* CTLx pin index (IFCLK, ADC clock input). */
+#define CTL_BIT 0
+
+#define OUT0 ((1 << CTL_BIT) << 4) /* OEx = 1, CTLx = 0 */
+
+static const struct samplerate_info samplerates[] = {
+ { 48, 0x80, 0, 3, 0, 0x00, 0xea },
+ { 30, 0x80, 0, 3, 0, 0x00, 0xaa },
+ { 24, 1, 0, 2, 1, OUT0, 0xca },
+ { 16, 1, 1, 2, 0, OUT0, 0xca },
+ { 12, 2, 1, 2, 0, OUT0, 0xca },
+ { 8, 3, 2, 2, 0, OUT0, 0xca },
+ { 4, 6, 5, 2, 0, OUT0, 0xca },
+ { 2, 12, 11, 2, 0, OUT0, 0xca },
+ { 1, 24, 23, 2, 0, OUT0, 0xca },
+ { 50, 48, 47, 2, 0, OUT0, 0xca },
+ { 20, 120, 119, 2, 0, OUT0, 0xca },
+ { 10, 240, 239, 2, 0, OUT0, 0xca },
+};
+
+/*
+ * This sets three bits for each channel, one channel at a time.
+ * For channel 0 we want to set bits 1, 2 & 3
+ * For channel 1 we want to set bits 4, 5 & 6
+ *
+ * We convert the input values that are strange due to original
+ * firmware code into the value of the three bits as follows:
+ *
+ * val -> bits
+ * 1 -> 010b
+ * 2 -> 001b
+ * 5 -> 000b
+ * 10 -> 011b
+ *
+ * The third bit is always zero since there are only four outputs connected
+ * in the serial selector chip.
+ *
+ * The multiplication of the converted value by 0x24 sets the relevant bits in
+ * both channels and then we mask it out to only affect the channel currently
+ * requested.
+ */
+static BOOL set_voltage(BYTE channel, BYTE val)
+{
+ BYTE bits, mask;
+
+ switch (val) {
+ case 1:
+ bits = 0x02;
+ break;
+ case 2:
+ bits = 0x01;
+ break;
+ case 5:
+ bits = 0x00;
+ break;
+ case 10:
+ bits = 0x03;
+ break;
+ default:
+ return FALSE;
+ }
+
+ bits = bits << (channel ? 1 : 4);
+ mask = (channel) ? 0x70 : 0x0e;
+ IOA = (IOA & ~mask) | (bits & mask);
+
+ return TRUE;
+}
+
+#include <scope.inc>
--- /dev/null
+/*
+ * This file is part of the sigrok-firmware-fx2lafw project.
+ *
+ * Copyright (C) 2009 Ubixum, Inc.
+ * Copyright (C) 2015 Jochen Hoenicke
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <fx2macros.h>
+#include <fx2ints.h>
+#include <autovector.h>
+#include <delay.h>
+#include <setupdat.h>
+
+#define SET_ANALOG_MODE() PA7 = 1
+
+#define SET_COUPLING(x) set_coupling(x)
+
+#define SET_CALIBRATION_PULSE(x) set_calibration_pulse(x)
+
+/* Toggle the 1kHz calibration pin, only accurate up to ca. 8MHz. */
+/* Note: There's no PE2 as IOE is not bit-addressable (see TRM 15.2). */
+#define TOGGLE_CALIBRATION_PIN() IOE = IOE ^ 0x04
+
+#define LED_CLEAR() NOP
+#define LED_GREEN() NOP
+#define LED_RED() NOP
+
+#define TIMER2_VAL 1000
+
+/* CTLx pin index (IFCLK, ADC clock input). */
+#define CTL_BIT 2
+
+#define OUT0 ((1 << CTL_BIT) << 4) /* OEx = 1, CTLx = 0 */
+
+static const struct samplerate_info samplerates[] = {
+ { 48, 0x80, 0, 3, 0, 0x00, 0xea },
+ { 30, 0x80, 0, 3, 0, 0x00, 0xaa },
+ { 24, 1, 0, 2, 1, OUT0, 0xea },
+ { 16, 1, 1, 2, 0, OUT0, 0xea },
+ { 15, 1, 0, 2, 1, OUT0, 0xaa },
+ { 12, 2, 1, 2, 0, OUT0, 0xea },
+ { 11, 1, 1, 2, 0, OUT0, 0xaa },
+ { 8, 3, 2, 2, 0, OUT0, 0xea },
+ { 6, 2, 2, 2, 0, OUT0, 0xaa },
+ { 5, 3, 2, 2, 0, OUT0, 0xaa },
+ { 4, 6, 5, 2, 0, OUT0, 0xea },
+ { 3, 5, 4, 2, 0, OUT0, 0xaa },
+ { 2, 12, 11, 2, 0, OUT0, 0xea },
+ { 1, 24, 23, 2, 0, OUT0, 0xea },
+ { 50, 48, 47, 2, 0, OUT0, 0xea },
+ { 20, 120, 119, 2, 0, OUT0, 0xea },
+ { 10, 240, 239, 2, 0, OUT0, 0xea },
+};
+
+/**
+ * The gain stage is 2 stage approach. -6dB and -20dB on the first stage
+ * (attentuator). The second stage is then doing the gain by 3 different
+ * resistor values switched into the feedback loop.
+ *
+ * #Channel 0:
+ * PC1=1; PC2=0; PC3=0 -> Gain x0.1 = -20dB
+ * PC1=1; PC2=0; PC3=1 -> Gain x0.2 = -14dB
+ * PC1=1; PC2=1; PC3=0 -> Gain x0.4 = -8dB
+ * PC1=0; PC2=0; PC3=0 -> Gain x0.5 = -6dB
+ * PC1=0; PC2=0; PC3=1 -> Gain x1 = 0dB
+ * PC1=0; PC2=1; PC3=0 -> Gain x2 = +6dB
+ *
+ * #Channel 1:
+ * PE1=1; PC4=0; PC5=0 -> Gain x0.1 = -20dB
+ * PE1=1; PC4=0; PC5=1 -> Gain x0.2 = -14dB
+ * PE1=1; PC4=1; PC5=0 -> Gain x0.4 = -8dB
+ * PE1=0; PC4=0; PC5=0 -> Gain x0.5 = -6dB
+ * PE1=0; PC4=0; PC5=1 -> Gain x1 = 0dB
+ * PE1=0; PC4=1; PC5=0 -> Gain x2 = +6dB
+ */
+static BOOL set_voltage(BYTE channel, BYTE val)
+{
+ BYTE bits_C, bit_E, mask_C, mask_E;
+
+ if (channel == 0) {
+ mask_C = 0x0E;
+ mask_E = 0x00;
+ bit_E = 0;
+ switch (val) {
+ case 1:
+ bits_C = 0x02;
+ break;
+ case 2:
+ bits_C = 0x06;
+ break;
+ case 5:
+ bits_C = 0x00;
+ break;
+ case 10:
+ bits_C = 0x04;
+ break;
+ case 20:
+ bits_C = 0x08;
+ break;
+ default:
+ return FALSE;
+ }
+ } else if (channel == 1) {
+ mask_C = 0x30;
+ mask_E = 0x02;
+ switch (val) {
+ case 1:
+ bits_C = 0x00;
+ bit_E = 0x02;
+ break;
+ case 2:
+ bits_C = 0x10;
+ bit_E = 0x02;
+ break;
+ case 5:
+ bits_C = 0x00;
+ bit_E = 0x00;
+ break;
+ case 10:
+ bits_C = 0x10;
+ bit_E = 0x00;
+ break;
+ case 20:
+ bits_C = 0x20;
+ bit_E = 0x00;
+ break;
+ default:
+ return FALSE;
+ }
+ } else {
+ return FALSE;
+ }
+ IOC = (IOC & ~mask_C) | (bits_C & mask_C);
+ IOE = (IOE & ~mask_E) | (bit_E & mask_E);
+
+ return TRUE;
+}
+
+#include <scope.inc>
+++ /dev/null
-/*
- * This file is part of the sigrok-firmware-fx2lafw project.
- *
- * Copyright (C) 2009 Ubixum, Inc.
- * Copyright (C) 2015 Jochen Hoenicke
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <fx2macros.h>
-#include <fx2ints.h>
-#include <autovector.h>
-#include <delay.h>
-#include <setupdat.h>
-
-#define SET_ANALOG_MODE() PA7 = 1
-
-#define SET_COUPLING(x) set_coupling(x)
-
-#define SET_CALIBRATION_PULSE(x) set_calibration_pulse(x)
-
-/* Toggle the 1kHz calibration pin, only accurate up to ca. 8MHz. */
-/* Note: There's no PE2 as IOE is not bit-addressable (see TRM 15.2). */
-#define TOGGLE_CALIBRATION_PIN() IOE = IOE ^ 0x04
-
-#define LED_CLEAR() NOP
-#define LED_GREEN() NOP
-#define LED_RED() NOP
-
-#define TIMER2_VAL 1000
-
-/* CTLx pin index (IFCLK, ADC clock input). */
-#define CTL_BIT 2
-
-#define OUT0 ((1 << CTL_BIT) << 4) /* OEx = 1, CTLx = 0 */
-#define OE_CTL (((1 << CTL_BIT) << 4) | (1 << CTL_BIT)) /* OEx = CTLx = 1 */
-
-/* Change to support as many interfaces as you need. */
-static BYTE altiface = 0;
-
-static volatile WORD ledcounter = 0;
-
-static volatile __bit dosud = FALSE;
-static volatile __bit dosuspend = FALSE;
-
-extern __code BYTE highspd_dscr;
-extern __code BYTE fullspd_dscr;
-
-void resume_isr(void) __interrupt RESUME_ISR
-{
- CLEAR_RESUME();
-}
-
-void sudav_isr(void) __interrupt SUDAV_ISR
-{
- dosud = TRUE;
- CLEAR_SUDAV();
-}
-
-void usbreset_isr(void) __interrupt USBRESET_ISR
-{
- handle_hispeed(FALSE);
- CLEAR_USBRESET();
-}
-
-void hispeed_isr(void) __interrupt HISPEED_ISR
-{
- handle_hispeed(TRUE);
- CLEAR_HISPEED();
-}
-
-void suspend_isr(void) __interrupt SUSPEND_ISR
-{
- dosuspend = TRUE;
- CLEAR_SUSPEND();
-}
-
-void timer2_isr(void) __interrupt TF2_ISR
-{
- TOGGLE_CALIBRATION_PIN();
-
- if (ledcounter && (--ledcounter == 0))
- LED_CLEAR();
-
- TF2 = 0;
-}
-
-/**
- * The gain stage is 2 stage approach. -6dB and -20dB on the first stage
- * (attentuator). The second stage is then doing the gain by 3 different
- * resistor values switched into the feedback loop.
- *
- * #Channel 0:
- * PC1=1; PC2=0; PC3= 0 -> Gain x0.1 = -20dB
- * PC1=1; PC2=0; PC3= 1 -> Gain x0.2 = -14dB
- * PC1=1; PC2=1; PC3= 0 -> Gain x0.4 = -8dB
- * PC1=0; PC2=0; PC3= 0 -> Gain x0.5 = -6dB
- * PC1=0; PC2=0; PC3= 1 -> Gain x1 = 0dB
- * PC1=0; PC2=1; PC3= 0 -> Gain x2 = +6dB
- *
- * #Channel 1:
- * PE1=1; PC4=0; PC5= 0 -> Gain x0.1 = -20dB
- * PE1=1; PC4=0; PC5= 1 -> Gain x0.2 = -14dB
- * PE1=1; PC4=1; PC5= 0 -> Gain x0.4 = -8dB
- * PE1=0; PC4=0; PC5= 0 -> Gain x0.5 = -6dB
- * PE1=0; PC4=0; PC5= 1 -> Gain x1 = 0dB
- * PE1=0; PC4=1; PC5= 0 -> Gain x2 = +6dB
- */
-static BOOL set_voltage(BYTE channel, BYTE val)
-{
- BYTE bits_C, bit_E, mask_C, mask_E;
-
- if (channel == 0) {
- mask_C = 0x0E;
- mask_E = 0x00;
- bit_E = 0;
- switch (val) {
- case 1:
- bits_C = 0x02;
- break;
- case 2:
- bits_C = 0x06;
- break;
- case 5:
- bits_C = 0x00;
- break;
- case 10:
- bits_C = 0x04;
- break;
- case 20:
- bits_C = 0x08;
- break;
- default:
- return FALSE;
- }
- } else if (channel == 1) {
- mask_C = 0x30;
- mask_E = 0x02;
- switch (val) {
- case 1:
- bits_C = 0x00;
- bit_E = 0x02;
- break;
- case 2:
- bits_C = 0x10;
- bit_E = 0x02;
- break;
- case 5:
- bits_C = 0x00;
- bit_E = 0x00;
- break;
- case 10:
- bits_C = 0x10;
- bit_E = 0x00;
- break;
- case 20:
- bits_C = 0x20;
- bit_E = 0x00;
- break;
- default:
- return FALSE;
- }
- } else {
- return FALSE;
- }
- IOC = (IOC & ~mask_C) | (bits_C & mask_C);
- IOE = (IOE & ~mask_E) | (bit_E & mask_E);
-
- return TRUE;
-}
-
-/**
- * Each LSB in the nibble of the byte controls the coupling per channel.
- *
- * Setting PE3 disables AC coupling capacitor on CH0.
- * Setting PE0 disables AC coupling capacitor on CH1.
- */
-static void set_coupling(BYTE coupling_cfg)
-{
- if (coupling_cfg & 0x01)
- IOE |= 0x08;
- else
- IOE &= ~0x08;
-
- if (coupling_cfg & 0x10)
- IOE |= 0x01;
- else
- IOE &= ~0x01;
-}
-
-static BOOL set_numchannels(BYTE numchannels)
-{
- if (numchannels == 1 || numchannels == 2) {
- BYTE fifocfg = 7 + numchannels;
- EP2FIFOCFG = fifocfg;
- EP6FIFOCFG = fifocfg;
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void clear_fifo(void)
-{
- GPIFABORT = 0xff;
- SYNCDELAY3;
- FIFORESET = 0x80;
- SYNCDELAY3;
- FIFORESET = 0x82;
- SYNCDELAY3;
- FIFORESET = 0x86;
- SYNCDELAY3;
- FIFORESET = 0;
-}
-
-static void stop_sampling(void)
-{
- GPIFABORT = 0xff;
- SYNCDELAY3;
- INPKTEND = (altiface == 0) ? 6 : 2;
-}
-
-static void start_sampling(void)
-{
- int i;
-
- SET_ANALOG_MODE();
-
- clear_fifo();
-
- for (i = 0; i < 1000; i++);
-
- while (!(GPIFTRIG & 0x80))
- ;
-
- SYNCDELAY3;
- GPIFTCB1 = 0x28;
- SYNCDELAY3;
- GPIFTCB0 = 0;
- GPIFTRIG = (altiface == 0) ? 6 : 4;
-
- /* Set green LED, don't clear LED afterwards (ledcounter = 0). */
- LED_GREEN();
- ledcounter = 0;
-}
-
-static void select_interface(BYTE alt)
-{
- const BYTE *pPacketSize = \
- ((USBCS & bmHSM) ? &highspd_dscr : &fullspd_dscr)
- + (9 + (16 * alt) + 9 + 4);
-
- altiface = alt;
-
- if (alt == 0) {
- /* Bulk on EP6. */
- EP2CFG = 0x00;
- EP6CFG = 0xe0;
- EP6GPIFFLGSEL = 1;
- EP6AUTOINLENL = pPacketSize[0];
- EP6AUTOINLENH = pPacketSize[1];
- } else {
- /* Iso on EP2. */
- EP2CFG = 0xd8;
- EP6CFG = 0x00;
- EP2GPIFFLGSEL = 1;
- EP2AUTOINLENL = pPacketSize[0];
- EP2AUTOINLENH = pPacketSize[1] & 0x7;
- EP2ISOINPKTS = (pPacketSize[1] >> 3) + 1;
- }
-}
-
-static const struct samplerate_info {
- BYTE rate;
- BYTE wait0;
- BYTE wait1;
- BYTE opc0;
- BYTE opc1;
- BYTE out0;
- BYTE ifcfg;
-} samplerates[] = {
- { 48, 0x80, 0, 3, 0, 0x00, 0xea },
- { 30, 0x80, 0, 3, 0, 0x00, 0xaa },
- { 24, 1, 0, 2, 1, OUT0, 0xea },
- { 16, 1, 1, 2, 0, OUT0, 0xea },
- { 15, 1, 0, 2, 1, OUT0, 0xaa },
- { 12, 2, 1, 2, 0, OUT0, 0xea },
- { 11, 1, 1, 2, 0, OUT0, 0xaa },
- { 8, 3, 2, 2, 0, OUT0, 0xea },
- { 6, 2, 2, 2, 0, OUT0, 0xaa },
- { 5, 3, 2, 2, 0, OUT0, 0xaa },
- { 4, 6, 5, 2, 0, OUT0, 0xea },
- { 3, 5, 4, 2, 0, OUT0, 0xaa },
- { 2, 12, 11, 2, 0, OUT0, 0xea },
- { 1, 24, 23, 2, 0, OUT0, 0xea },
- { 50, 48, 47, 2, 0, OUT0, 0xea },
- { 20, 120, 119, 2, 0, OUT0, 0xea },
- { 10, 240, 239, 2, 0, OUT0, 0xea },
-};
-
-static BOOL set_samplerate(BYTE rate)
-{
- BYTE i = 0;
-
- while (samplerates[i].rate != rate) {
- i++;
- if (i == sizeof(samplerates) / sizeof(samplerates[0]))
- return FALSE;
- }
-
- IFCONFIG = samplerates[i].ifcfg;
-
- AUTOPTRSETUP = 7;
- AUTOPTRH2 = 0xE4; /* 0xE400: GPIF waveform descriptor 0. */
- AUTOPTRL2 = 0x00;
-
- /*
- * The program for low-speed, e.g. 1 MHz, is:
- * wait 24, CTLx=0, FIFO
- * wait 23, CTLx=1
- * jump 0, CTLx=1
- *
- * The program for 24 MHz is:
- * wait 1, CTLx=0, FIFO
- * jump 0, CTLx=1
- *
- * The program for 30/48 MHz is:
- * jump 0, CTLx=Z, FIFO, LOOP
- *
- * (CTLx is device-dependent, could be e.g. CTL0 or CTL2.)
- */
-
- /* LENGTH / BRANCH 0-7 */
- EXTAUTODAT2 = samplerates[i].wait0;
- EXTAUTODAT2 = samplerates[i].wait1;
- EXTAUTODAT2 = 1;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* OPCODE 0-7 */
- EXTAUTODAT2 = samplerates[i].opc0;
- EXTAUTODAT2 = samplerates[i].opc1;
- EXTAUTODAT2 = 1; /* DATA=0 DP=1 */
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* OUTPUT 0-7 */
- EXTAUTODAT2 = samplerates[i].out0;
- EXTAUTODAT2 = OE_CTL;
- EXTAUTODAT2 = OE_CTL;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- /* LOGIC FUNCTION 0-7 */
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
- EXTAUTODAT2 = 0;
-
- for (i = 0; i < 96; i++)
- EXTAUTODAT2 = 0;
-
- return TRUE;
-}
-
-static BOOL set_calibration_pulse(BYTE fs)
-{
- switch (fs) {
- case 0: // 100Hz
- RCAP2L = -10000 & 0xff;
- RCAP2H = (-10000 & 0xff00) >> 8;
- return TRUE;
- case 1: // 1kHz
- RCAP2L = -1000 & 0xff;
- RCAP2H = (-1000 & 0xff00) >> 8;
- return TRUE;
- case 10: // 1kHz
- RCAP2L = (BYTE)(-100 & 0xff);
- RCAP2H = 0xff;
- return TRUE;
- case 50: // 50kHz
- RCAP2L = (BYTE)(-20 & 0xff);
- RCAP2H = 0xff;
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-/* Set *alt_ifc to the current alt interface for ifc. */
-BOOL handle_get_interface(BYTE ifc, BYTE *alt_ifc)
-{
- (void)ifc;
-
- *alt_ifc = altiface;
-
- return TRUE;
-}
-
-/*
- * Return TRUE if you set the interface requested.
- *
- * Note: This function should reconfigure and reset the endpoints
- * according to the interface descriptors you provided.
- */
-BOOL handle_set_interface(BYTE ifc,BYTE alt_ifc)
-{
- if (ifc == 0)
- select_interface(alt_ifc);
-
- return TRUE;
-}
-
-BYTE handle_get_configuration(void)
-{
- /* We only support configuration 0. */
- return 0;
-}
-
-BOOL handle_set_configuration(BYTE cfg)
-{
- /* We only support configuration 0. */
- (void)cfg;
-
- return TRUE;
-}
-
-BOOL handle_vendorcommand(BYTE cmd)
-{
- stop_sampling();
-
- /* Set red LED, clear after timeout. */
- LED_RED();
- ledcounter = 1000;
-
- /* Clear EP0BCH/L for each valid command. */
- if (cmd >= 0xe0 && cmd <= 0xe6) {
- EP0BCH = 0;
- EP0BCL = 0;
- while (EP0CS & bmEPBUSY);
- }
-
- switch (cmd) {
- case 0xe0:
- case 0xe1:
- set_voltage(cmd - 0xe0, EP0BUF[0]);
- return TRUE;
- case 0xe2:
- set_samplerate(EP0BUF[0]);
- return TRUE;
- case 0xe3:
- if (EP0BUF[0] == 1)
- start_sampling();
- return TRUE;
- case 0xe4:
- set_numchannels(EP0BUF[0]);
- return TRUE;
- case 0xe5:
- SET_COUPLING(EP0BUF[0]);
- return TRUE;
- case 0xe6:
- SET_CALIBRATION_PULSE(EP0BUF[0]);
- return TRUE;
- }
-
- return FALSE; /* Not handled by handlers. */
-}
-
-static void init(void)
-{
- EP4CFG = 0;
- EP8CFG = 0;
-
- SET_ANALOG_MODE();
-
- /* In idle mode tristate all outputs. */
- GPIFIDLECTL = 0x00; /* Don't enable CTL0-5 outputs. */
- GPIFCTLCFG = 0x80; /* TRICTL=1. CTL0-2: CMOS outputs, tri-statable. */
- GPIFWFSELECT = 0x00;
- GPIFREADYSTAT = 0x00;
-
- stop_sampling();
-
- set_voltage(0, 1);
- set_voltage(1, 1);
- set_samplerate(1);
- set_numchannels(2);
- select_interface(0);
-}
-
-static void main(void)
-{
- /* Save energy. */
- SETCPUFREQ(CLK_12M);
-
- init();
-
- /* Set up interrupts. */
- USE_USB_INTS();
-
- ENABLE_SUDAV();
- ENABLE_USBRESET();
- ENABLE_HISPEED();
- ENABLE_SUSPEND();
- ENABLE_RESUME();
-
- /* Global (8051) interrupt enable. */
- EA = 1;
-
- /* Init timer2. */
- RCAP2L = -TIMER2_VAL & 0xff;
- RCAP2H = (-TIMER2_VAL & 0xff00) >> 8;
- T2CON = 0;
- ET2 = 1;
- TR2 = 1;
-
- RENUMERATE_UNCOND();
-
- PORTECFG = 0;
- PORTCCFG = 0;
- PORTACFG = 0;
- OEE = 0xff;
- OEC = 0xff;
- OEA = 0xff;
-
- SET_ANALOG_MODE();
-
- while (TRUE) {
- if (dosud) {
- dosud = FALSE;
- handle_setupdata();
- }
-
- if (dosuspend) {
- dosuspend = FALSE;
- do {
- /* Make sure ext wakeups are cleared. */
- WAKEUPCS |= bmWU | bmWU2;
- SUSPEND = 1;
- PCON |= 1;
- __asm
- nop
- nop
- nop
- nop
- nop
- nop
- nop
- __endasm;
- } while (!remote_wakeup_allowed && REMOTE_WAKEUP());
-
- /* Resume (TRM 6.4). */
- if (REMOTE_WAKEUP()) {
- delay(5);
- USBCS |= bmSIGRESUME;
- delay(15);
- USBCS &= ~bmSIGRESUME;
- }
- }
- }
-}
projects / sigrok-firmware-fx2lafw.git / commitdiff