Add USBSID-Pico config-tool

Makefile

@@ -12,8 +12,8 @@ CFLAGS := -O2 -g -noixemul -m68020 -mregparm=4 -fomit-frame-pointer -DPLAYSID
 SOURCE   := playsid.asm
 INCLUDES := playsid_libdefs.i external.asm resid-68k/resid-68k.s resid-68k/resid-68k.i
 
-TARGET   := playsid.library test_blaster
-# test_blaster
+TARGET   := playsid.library test_blaster cfg_usbsid
+# test_blaster cfg_usbsid
 LISTFILE := playsid.txt
 
 ##
@@ -60,3 +60,6 @@ playsid.library: playsid.library.sym
 
 test_blaster: test_blaster.c sid.c sidblast.c usbsid.c $(GIT_HEADER)
 	$(GCC) -O2 -noixemul -m68020 --omit-frame-pointer -Wl,-Map,test_blaster.map,--cref $^ -o $@
+
+cfg_usbsid: config-tool/cfg_usbsid.c config-tool/inih/ini.c config-tool/libusb.c $(GIT_HEADER)
+	$(GCC) -O2 -noixemul -m68020 --omit-frame-pointer -Wl,-Map,cfg_usbsid.map,--cref $^ -o $@ -I config-tool

config-tool/cfg_skpico.h

@@ -0,0 +1,92 @@
+/*
+ * USBSID-Pico is a RPi Pico (RP2040) based board for interfacing one or two
+ * MOS SID chips and/or hardware SID emulators over (WEB)USB with your computer,
+ * phone or ASID supporting player
+ *
+ * cfg_skpico.h
+ * This file is part of USBSID-Pico (https://github.com/LouDnl/USBSID-Pico)
+ * File author: LouD
+ *
+ * Copyright (c) 2024-2025 LouD
+ *
+ * This program 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, version 2.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+const uint8_t init_configmode[3] = { 0x0, 0x1F, 0xFF };       /* Inits and extends config mode */
+const uint8_t config_extend[3] = { 0x0, 0x1D, 0xFA };         /* Clear address lines and extend config mode */
+const uint8_t config_exit[3] = { 0x0, 0x1D, 0xFB };           /* Exit config mode without reset */
+const uint8_t config_update[3] = { 0x0, 0x1D, 0xFE };         /* Update configuration and exit */
+const uint8_t config_writeupdate[3] = { 0x0, 0x1D, 0xFF };    /* Update and write configuration and exit */
+const uint8_t config_write[3] = { 0x0, 0x1D, 0x0 };           /* Write complete config to memory */
+const uint8_t start_config_write[3] = { 0x0, 0x1E, 0x0 };     /* Write single value to config */
+const uint8_t set_dac_mode_mono8[3] = { 0x0, 0x1F, 0xFC };    /* Set DAC mode to mono */
+const uint8_t set_dac_mode_stereo8[3] = { 0x0, 0x1F, 0xFB };  /* Set DAC mode to stereo */
+
+const uint8_t skpico_default_config[64] = {                   /* Default SKPico config */
+  0x1, 0xC, 0x1, 0xE, /* SID 1 */
+  0,0,0,0, /* -- */
+  0x3, 0xC, 0x0, 0xE, /* SID 2 */
+  0x5,
+  0,0,0,0,0,0,
+  0,0,0,0,0,0,
+  0,0,0,0,0,0,
+  0,0,0,0,0,0,
+  0,0,0,0,0,0,
+  0,0,0,0,0,0,
+  0,0,0,0,0,0,
+  0,0,
+  0x0, 0x7, 0x0, 0xF, 0x0,
+  0,0,
+};
+
+unsigned char * config_names[/* 64 */] = {
+  "CFG_SID1_TYPE",       //  0   //  1  // 0 ... 3  // 6581, 8580, 8580+digiboost, none
+  "CFG_SID1_DIGIBOOST",  //  1   // 12  // 0 ... 15, 0x0 ... 0xF
+  "CFG_REGISTER_READ",   //  2   //  1  // Always 1
+  "CFG_SID1_VOLUME",     //  3   // 14  // 0 ... 14, 0x0 ... 0xE
+  "","","","",           //  4 -> 7
+  "CFG_SID2_TYPE",       //  8   //  3  // 0 ... 4  // 6581, 8580, 8580+digiboost, none, FMopl
+  "CFG_SID2_DIGIBOOST",  //  9   // 12  // 0 ... 15, 0x0 ... 0xF
+  "CFG_SID2_ADDRESS",    // 10   //  0  // 0 ... 5  // sidFlags{ CS, A5, A8, A5|A8, A8, A8 }
+  "CFG_SID2_VOLUME",     // 11   // 14  // 0 ... 14, 0x0 ... 0xE
+  "CFG_SID_PANNING",     // 12   //  5  // 0 ... 14, 0x0 ... 0xE
+  "","","","","","",     // 13 -> 18
+  "","","","","","",     // 19 -> 24
+  "","","","","","",     // 25 -> 30
+  "","","","","","",     // 31 -> 36
+  "","","","","","",     // 37 -> 42
+  "","","","","","",     // 43 -> 48
+  "","","","","","",     // 49 -> 54
+  "","",                 // 55 -> 56
+  "CFG_TRIGGER",         // 57   //  0  // Paddles
+  "CFG_SID_BALANCE",     // 58   //  7  // 0 ... 14, 0x0 ... 0xE
+  "CFG_CLOCKSPEED",      // 59   //  0  // 0 ... 2  // c64clock{ 985248, 1022727, 1023440 }
+  "CFG_POT_FILTER",      // 60   // 16  // Paddles
+  "CFG_DIGIDETECT",      // 61   //  0  // 0 ... 1
+  "","",                 // 62 -> 63
+};
+
+unsigned char * sid_types[] = {
+  "6581", "8580", "8580+digiboost", "none", "FMopl"
+};
+unsigned char * sid2_address[] = {
+  "CS", "A5", "A8", "A5|A8", "A8", "A8"
+};
+unsigned char * clock_speed[] = {
+  "985248", "1022727", "1023440"
+};
+const size_t s_config_names = count_of(config_names);
+const size_t s_sid_types = count_of(sid_types);
+const size_t s_sid2_address = count_of(sid2_address);
+const size_t s_clock_speed = count_of(clock_speed);