Adafruit Feather, overclocking, flash FS shims

cores/rp2040/SerialUSB.cpp

@@ -43,7 +43,12 @@ extern void serialEvent() __attribute__((weak));
 #define PICO_STDIO_USB_LOW_PRIORITY_IRQ 31
 
 #define USBD_VID (0x2E8A) // Raspberry Pi
-#define USBD_PID (0x000a) // Raspberry Pi Pico SDK CDC
+
+#ifdef SERIALUSB_PID
+    #define USBD_PID (SERIALUSB_PID)
+#else
+    #define USBD_PID (0x000a) // Raspberry Pi Pico SDK CDC
+#endif
 
 #define USBD_DESC_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN)
 #define USBD_MAX_POWER_MA (250)

cores/rp2040/main.cpp

@@ -19,11 +19,15 @@
  */
 
 #include <Arduino.h>
+#include <pico/stdlib.h>
 
 extern void setup();
 extern void loop();
 
 extern "C" int main() {
+#if F_CPU != 125000000
+    set_sys_clock_khz(F_CPU / 1000, true);
+#endif
 #if defined DEBUG_RP2040_PORT
     DEBUG_RP2040_PORT.begin();
 #endif

variants/generic/memmap_default.ld → lib/memmap_default.ld

@@ -23,12 +23,14 @@
 
 MEMORY
 {
-    FLASH(rx) : ORIGIN = 0x10000000, LENGTH = 2044k /* 2048 - 4K for EEPROM */
+    FLASH(rx) : ORIGIN = 0x10000000, LENGTH = __FLASH_LENGTH__
     RAM(rwx) : ORIGIN =  0x20000000, LENGTH = 256k
     SCRATCH_X(rwx) : ORIGIN = 0x20040000, LENGTH = 4k
     SCRATCH_Y(rwx) : ORIGIN = 0x20041000, LENGTH = 4k
 }
-PROVIDE ( _EEPROM_start = 0x101FF000 );
+PROVIDE ( _EEPROM_start = __EEPROM_START__ );
+PROVIDE ( _FS_start     = __FS_START__ );
+PROVIDE ( _FS_end       = __FS_END__ );
 
 ENTRY(_entry_point)
 

platform.txt

@@ -76,37 +76,38 @@ compiler.S.extra_flags=
 compiler.ar.extra_flags=
 compiler.elf2hex.extra_flags=
 
+# Board configuration, set in boards.txt.  Present here to ensure substitution works
+build.flash_length=
+build.eeprom_start=
+build.fs_start=
+build.fs_end=
+
+
 
 # Allow Pico boards do be auto-discovered by the IDE
 discovery.rp2040.pattern="{runtime.tools.pqt-python3.path}/python3" "{runtime.platform.path}/tools/discovery.py"
 
-# USB Flags
-# ---------
-build.usb_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} -DUSBCON '-DUSB_MANUFACTURER={build.usb_manufacturer}' '-DUSB_PRODUCT={build.usb_product}'
-
-# Default usb manufacturer will be replaced at compile time using
-# numeric vendor ID if available or by board's specific value.
-build.usb_manufacturer="Unknown"
 
 # Compile patterns
 # ----------------
 
 ## Compile c files
-recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.c.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.c.extra_flags} {build.extra_flags} {build.debug_port} {build.debug_level} {includes} "{source_file}" -o "{object_file}"
+recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.c.flags} {build.usbpid} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.c.extra_flags} {build.extra_flags} {build.debug_port} {build.debug_level} {includes} "{source_file}" -o "{object_file}"
 
 ## Compile c++ files
-recipe.cpp.o.pattern="{compiler.path}{compiler.cpp.cmd}" {compiler.cpp.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.cpp.extra_flags} {build.extra_flags} {build.debug_port} {build.debug_level} {includes} "{source_file}" -o "{object_file}"
+recipe.cpp.o.pattern="{compiler.path}{compiler.cpp.cmd}" {compiler.cpp.flags} {build.usbpid} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.cpp.extra_flags} {build.extra_flags} {build.debug_port} {build.debug_level} {includes} "{source_file}" -o "{object_file}"
 
 ## Compile S files
-recipe.S.o.pattern="{compiler.path}{compiler.S.cmd}" {compiler.S.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.S.extra_flags} {build.extra_flags} {build.debug_port} {build.debug_level} {includes} "{source_file}" -o "{object_file}"
+recipe.S.o.pattern="{compiler.path}{compiler.S.cmd}" {compiler.S.flags} {build.usbpid} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.S.extra_flags} {build.extra_flags} {build.debug_port} {build.debug_level} {includes} "{source_file}" -o "{object_file}"
 
 ## Create archives
 # archive_file_path is needed for backwards compatibility with IDE 1.6.5 or older, IDE 1.6.6 or newer overrides this value
 archive_file_path={build.path}/{archive_file}
 recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}"
 
 ## Combine gc-sections, archives, and objects
-recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" "-L{build.path}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} "-Wl,--script={build.variant.path}/{build.ldscript}" "-Wl,-Map,{build.path}/{build.project_name}.map" --specs=nosys.specs -Wl,--start-group {compiler.ldflags} -o "{build.path}/{build.project_name}.elf" {object_files} "{build.path}/{archive_file}" "{runtime.platform.path}/lib/libpico.a" -lm "-I{runtime.platform.path}/pico-sdk/src/rp2040/hardware_regs/include/" "-I{runtime.platform.path}/pico-sdk/src/common/pico_binary_info/include" "{runtime.platform.path}/assembly/bs2_default_padded_checksummed.S" -lc -lstdc++ -Wl,--end-group
+recipe.hooks.linking.prelink.1.pattern="{runtime.tools.pqt-python3.path}/python3" "{runtime.platform.path}/tools/simplesub.py" --input "{runtime.platform.path}/lib/memmap_default.ld" --out "{build.path}/memmap_default.ld" --sub __FLASH_LENGTH__ {build.flash_length} --sub __EEPROM_START__ {build.eeprom_start} --sub __FS_START__ {build.fs_start} --sub __FS_END__ {build.fs_end}
+recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" "-L{build.path}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} "-Wl,--script={build.path}/memmap_default.ld" "-Wl,-Map,{build.path}/{build.project_name}.map" --specs=nosys.specs -Wl,--start-group {compiler.ldflags} -o "{build.path}/{build.project_name}.elf" {object_files} "{build.path}/{archive_file}" "{runtime.platform.path}/lib/libpico.a" -lm "-I{runtime.platform.path}/pico-sdk/src/rp2040/hardware_regs/include/" "-I{runtime.platform.path}/pico-sdk/src/common/pico_binary_info/include" "{runtime.platform.path}/assembly/bs2_default_padded_checksummed.S" -lc -lstdc++ -Wl,--end-group
 
 ## Create output (UF2 file)
 recipe.objcopy.uf2.pattern="{runtime.tools.pqt-elf2uf2.path}/elf2uf2" "{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.uf2"

tools/makeboards.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+
+def BuildFlashMenu(name, flashsize, fssizelist):
+    for fssize in fssizelist:
+        if fssize == 0:
+            fssizename = "no FS"
+        elif fssize < 1024 * 1024:
+            fssizename = "FS: %dKB" % (fssize / 1024)
+        else:
+            fssizename = "FS: %dMB" % (fssize / (1024 * 1024))
+        mn="%d_%d" % (flashsize, fssize)
+        print("%s.menu.flash.%s=%dMB (%s)" % (name, mn, flashsize / (1024 * 1024), fssizename))
+        print("%s.menu.flash.%s.upload.maximum_size=%d" % (name, mn, flashsize - 4096 - fssize))
+        print("%s.menu.flash.%s.build.flash_length=%d" % (name, mn, flashsize - 4096 - fssize))
+        print("%s.menu.flash.%s.build.eeprom_start=%d" % (name, mn, flashsize - 4096))
+        print("%s.menu.flash.%s.build.fs_start=%d" % (name, mn, flashsize - 4096 - fssize))
+        print("%s.menu.flash.%s.build.fs_end=%d" % (name, mn, flashsize - 4096))
+
+def BuildDebugPort(name):
+    print("%s.menu.dbgport.Disabled=Disabled" % (name))
+    print("%s.menu.dbgport.Disabled.build.debug_port=" % (name))
+    for p in ["Serial", "Serial1", "Serial2"]:
+        print("%s.menu.dbgport.%s=%s" % (name, p, p))
+        print("%s.menu.dbgport.%s.build.debug_port=-DDEBUG_RP2040_PORT=%s" % (name, p, p))
+
+def BuildDebugLevel(name):
+    for l in [ ("None", ""), ("Core", "-DDEBUG_RP2040_CORE"), ("SPI", "-DDEBUG_RP2040_SPI"), ("Wire", "DDEBUG_RP2040_WIRE"),
+               ("All", "-DDEBUG_RP2040_WIRE -DDEBUG_RP2040_SPI -DDEBUG_RP2040_CORE"), ("NDEBUG", "-DNDEBUG") ]:
+        print("%s.menu.dbglvl.%s=%s" % (name, l[0], l[0]))
+        print("%s.menu.dbglvl.%s.build.debug_level=%s" % (name, l[0], l[1]))
+
+def BuildFreq(name):
+    for f in [ 125, 50, 100, 133, 150, 175, 200, 225, 250, 275, 300]:
+        warn = ""
+        if f > 133: warn = " (Overclock)"
+        print("%s.menu.freq.%s=%s MHz%s" % (name, f, f, warn))
+        print("%s.menu.freq.%s.build.f_cpu=%dL" % (name, f, f * 1000000))
+
+def BuildHeader(name, prettyname, pid, boarddefine, variant, uploadtool, flashsize):
+    print("%s.name=%s" % (name, prettyname))
+    print("%s.vid.0=0x2e8a" % (name))
+    print("%s.pid.0=%s" % (name, pid))
+    print("%s.build.usbpid=-DSERIALUSB_PID=%s" % (name, pid))
+    print("%s.build.board=%s" % (name, boarddefine))
+    print("%s.build.mcu=cortex-m0plus" % (name))
+    print("%s.build.variant=%s" % (name, variant))
+    print("%s.upload.tool=%s" % (name, uploadtool))
+    print("%s.upload.maximum_size=%d" % (name, flashsize))
+    print("%s.upload.maximum_data_size=262144" % (name))
+    print("%s.upload.wait_for_upload_port=true" % (name))
+    print("%s.upload.erase_cmd=" % (name))
+    print("%s.serial.disableDTR=false" % (name))
+    print("%s.serial.disableRTS=false" % (name))
+    print("%s.build.f_cpu=125000000" % (name))
+    print("%s.build.led=" % (name))
+    print("%s.build.core=rp2040" % (name))
+    print("%s.build.mcu=rp2040" % (name))
+    print("%s.build.ldscript=memmap_default.ld" % (name))
+
+def BuildGlobalMenuList():
+    print("menu.BoardModel=Model")
+    print("menu.flash=Flash Size")
+    print("menu.freq=CPU Speed")
+    print("menu.dbgport=Debug Port")
+    print("menu.dbglvl=Debug Level")
+
+BuildGlobalMenuList()
+
+BuildHeader("rpipico", "Raspberry Pi Pico", "0x000a", "RASPBERRY_PI_PICO", "rpipico", "uf2conv", 2 * 1024*1024)
+BuildFlashMenu("rpipico", 2 * 1024 * 1024, [ 0, 64 * 1024, 256 * 1024, 512 * 1024, 1024 * 1024 ])
+BuildFreq("rpipico")
+BuildDebugPort("rpipico")
+BuildDebugLevel("rpipico")
+
+BuildHeader("adafruitfeather", "Adafruit Feather RP2040", "0x000b", "ADAFRUIT_FEATHER_RP2040", "adafruitfeather", "uf2conv", 8 *1024*1024)
+BuildFlashMenu("adafruitfeather", 8 * 1024 * 1024, [ 0, 64 * 1024, 256 * 1024, 512 * 1024, 1024 * 1024, 2 * 1024 * 1024, 3 * 1024 * 1024, 4 * 1024 *1024, 5 * 1024 *1024, 6 * 1024*1024, 7*1024*1024 ])
+BuildFreq("adafruitfeather")
+BuildDebugPort("adafruitfeather")
+BuildDebugLevel("adafruitfeather")
+
+BuildHeader("generic", "Generic RP2040", "0xf00a", "GENERIC_RP2040", "generif", "uf2conv", 2 * 1024*1024)
+BuildFlashMenu("generic", 2 * 1024 * 1024, [ 0, 64 * 1024, 256 * 1024, 512 * 1024, 1024 * 1024 ])
+BuildFreq("generic")
+BuildDebugPort("generic")
+BuildDebugLevel("generic")

tools/simplesub.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+import sys
+import struct
+import subprocess
+import re
+import os
+import os.path
+import argparse
+import time
+
+def main():
+    parser = argparse.ArgumentParser(description='Simple text substitution')
+    parser.add_argument('-i', '--input', action='store', required=True, help='Path to the source file')
+    parser.add_argument('-o', '--out', action='store', required=True, help='Path to the output file')
+    parser.add_argument('-s', '--sub', action='append', nargs=2, metavar=('find', 'replace'), required=True, help='Substition')
+    args = parser.parse_args()
+
+    with open(args.input, "r") as fin:
+        data = fin.read()
+
+    for f, r in args.sub:
+        data = re.sub(f, r, data)
+
+    with open(args.out, "w") as fout:
+        fout.write(data)
+
+
+main()

variants/adafruitfeather/pins_arduino.h

@@ -0,0 +1,8 @@
+#ifndef __rpipico_pins_arduino_h__
+#define __rpipico_pins_arduino_h__
+
+#define LED_BUILTIN 13
+
+#include "../generic/common.h"
+
+#endif