Update extract configs (#1845)

* Update config-extraction scripts to work with multiple chips

* Standardise wording between common options

* Various config-related fixes

* Update pico_rand to use correct busctrl_hw struct-name

* Don't start config descriptions with "The ..."

cmake/preload/toolchains/util/pico_arm_gcc_common.cmake

@@ -3,7 +3,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake)
 # include our Platform/PICO.cmake
 set(CMAKE_SYSTEM_NAME PICO)
 
-# PICO_CMAKE_CONFIG: PICO_GCC_TRIPLE, List of GCC_TRIPLES -- usually only one -- to try when searching for a compiler. This may be specified the user environment, type=int, default=PICO_DEFAULT_GCC_TRIPLE which is set based on PICO_COMPILER, group=pico_base, doxref=cmake-toolchain-config
+# PICO_CMAKE_CONFIG: PICO_GCC_TRIPLE, List of GCC_TRIPLES -- usually only one -- to try when searching for a compiler. This may be specified the user environment, type=int, default=PICO_DEFAULT_GCC_TRIPLE which is set based on PICO_COMPILER, group=pico_base, docref=cmake-toolchain-config
 if (NOT PICO_GCC_TRIPLE)
     if (DEFINED ENV{_SAVED_PICO_GCC_TRIPLE})
         # saved within the same cmake invocation

src/cmake/on_device.cmake

@@ -63,7 +63,7 @@ function(pico_add_extra_outputs TARGET)
     pico_add_map_output(${TARGET})
 
     # PICO_CMAKE_CONFIG: PICO_NO_TARGET_NAME, Don't define PICO_TARGET_NAME, type=bool, default=0, group=build
-    # PICO_BUILD_DEFINE: PICO_TARGET_NAME, The name of the build target being compiled (unless PICO_NO_TARGET_NAME set in build), type=string, default=target name, group=build
+    # PICO_BUILD_DEFINE: PICO_TARGET_NAME, Name of the build target being compiled (unless PICO_NO_TARGET_NAME set in build), type=string, default=target name, group=build
     if (NOT PICO_NO_TARGET_NAME)
         target_compile_definitions(${TARGET} PRIVATE
                 PICO_TARGET_NAME="${TARGET}"
@@ -94,4 +94,4 @@ set(PICO_NO_HARDWARE "0" CACHE INTERNAL "")
 set(PICO_ON_DEVICE "1" CACHE INTERNAL "")
 
 set(CMAKE_EXECUTABLE_SUFFIX .elf)
-set(CMAKE_EXECUTABLE_SUFFIX "${CMAKE_EXECUTABLE_SUFFIX}" PARENT_SCOPE)
+set(CMAKE_EXECUTABLE_SUFFIX "${CMAKE_EXECUTABLE_SUFFIX}" PARENT_SCOPE)

src/host/hardware_irq/include/hardware/irq.h

@@ -18,7 +18,7 @@
 #define PICO_DISABLE_SHARED_IRQ_HANDLERS 0
 #endif
 
-// PICO_CONFIG: PICO_VTABLE_PER_CORE, user is using separate vector tables per core, type=bool, default=0, group=hardware_irq
+// PICO_CONFIG: PICO_VTABLE_PER_CORE, User is using separate vector tables per core, type=bool, default=0, group=hardware_irq
 #ifndef PICO_VTABLE_PER_CORE
 #define PICO_VTABLE_PER_CORE 0
 #endif

src/host/hardware_sync/include/hardware/sync.h

@@ -26,52 +26,52 @@ static inline void atomic_thread_fence(uint x) {}
 
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_ATOMIC, Spinlock ID for atomic protection, min=0, max=31, default=8, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_ATOMIC, Spinlock ID for atomics, min=0, max=31, default=8, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_ATOMIC
 #define PICO_SPINLOCK_ID_ATOMIC 8
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_IRQ, Spinlock ID for IRQ protection, min=0, max=31, default=9, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_IRQ, Spinlock ID for IRQ protection, min=0, max=31, default=9, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_IRQ
 #define PICO_SPINLOCK_ID_IRQ 9
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_TIMER, Spinlock ID for Timer protection, min=0, max=31, default=10, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_TIMER, Spinlock ID for Timer protection, min=0, max=31, default=10, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_TIMER
 #define PICO_SPINLOCK_ID_TIMER 10
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_HARDWARE_CLAIM, Spinlock ID for Hardware claim protection, min=0, max=31, default=11, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_HARDWARE_CLAIM, Spinlock ID for Hardware claim protection, min=0, max=31, default=11, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_HARDWARE_CLAIM
 #define PICO_SPINLOCK_ID_HARDWARE_CLAIM 11
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_RAND, Spinlock ID for Random Number Generator, min=0, max=31, default=12, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_RAND, Spinlock ID for Random Number Generator, min=0, max=31, default=12, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_RAND
 #define PICO_SPINLOCK_ID_RAND 12
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_OS1, First Spinlock ID reserved for use by low level OS style software, min=0, max=31, default=14, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_OS1, First Spinlock ID reserved for use by low level OS style software, min=0, max=31, default=14, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_OS1
 #define PICO_SPINLOCK_ID_OS1 14
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_OS2, Second Spinlock ID reserved for use by low level OS style software, min=0, max=31, default=15, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_OS2, Second Spinlock ID reserved for use by low level OS style software, min=0, max=31, default=15, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_OS2
 #define PICO_SPINLOCK_ID_OS2 15
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_STRIPED_FIRST, Lowest Spinlock ID in the 'striped' range, min=0, max=31, default=16, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_STRIPED_FIRST, Lowest Spinlock ID in the 'striped' range, min=0, max=31, default=16, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_STRIPED_FIRST
 #define PICO_SPINLOCK_ID_STRIPED_FIRST 16
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_STRIPED_LAST, Highest Spinlock ID in the 'striped' range, min=0, max=31, default=23, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_STRIPED_LAST, Highest Spinlock ID in the 'striped' range, min=0, max=31, default=23, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_STRIPED_LAST
 #define PICO_SPINLOCK_ID_STRIPED_LAST 23
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_CLAIM_FREE_FIRST, Lowest Spinlock ID in the 'claim free' range, min=0, max=31, default=24, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_CLAIM_FREE_FIRST, Lowest Spinlock ID in the 'claim free' range, min=0, max=31, default=24, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_CLAIM_FREE_FIRST
 #define PICO_SPINLOCK_ID_CLAIM_FREE_FIRST 24
 #endif
@@ -80,7 +80,7 @@ static inline void atomic_thread_fence(uint x) {}
 #warning PICO_SPINLOCK_ID_CLAIM_FREE_END has been renamed to PICO_SPINLOCK_ID_CLAIM_FREE_LAST
 #endif
 
-/// PICO_CONFIG: PICO_SPINLOCK_ID_CLAIM_FREE_LAST, Highest Spinlock ID in the 'claim free' range, min=0, max=31, default=31, group=hardware_sync
+// PICO_CONFIG: PICO_SPINLOCK_ID_CLAIM_FREE_LAST, Highest Spinlock ID in the 'claim free' range, min=0, max=31, default=31, group=hardware_sync
 #ifndef PICO_SPINLOCK_ID_CLAIM_FREE_LAST
 #define PICO_SPINLOCK_ID_CLAIM_FREE_LAST 31
 #endif

src/rp2040/boot_stage2/include/boot_stage2/config.h

@@ -11,7 +11,7 @@
 
 #include "pico.h"
 
-// PICO_CONFIG: PICO_BUILD_BOOT_STAGE2_NAME, The name of the boot stage 2 if selected by the build, group=boot_stage2
+// PICO_CONFIG: PICO_BUILD_BOOT_STAGE2_NAME, Name of the boot stage 2 if selected in the build system, group=boot_stage2
 #ifdef PICO_BUILD_BOOT_STAGE2_NAME
     #define _BOOT_STAGE2_SELECTED
 #else

src/rp2040/pico_platform/include/pico/platform.h

@@ -66,11 +66,6 @@
 #define PICO_RP2040_B2_SUPPORTED 1
 #endif
 
-// PICO_CONFIG: PICO_RP2350_A2_SUPPORTED, Whether to include any specific software support for RP2350 A2 revision, type=bool, default=1, advanced=true, group=pico_platform
-#ifndef PICO_RP2350_A2_SUPPORTED
-#define PICO_RP2350_A2_SUPPORTED 1
-#endif
-
 #ifndef PICO_RAM_VECTOR_TABLE_SIZE
 #define PICO_RAM_VECTOR_TABLE_SIZE (VTABLE_FIRST_IRQ + NUM_IRQS)
 #endif
@@ -212,4 +207,4 @@ return a;
 
 #endif // __ASSEMBLER__
 
-#endif
+#endif

src/rp2350/hardware_regs/include/hardware/platform_defs.h

@@ -74,7 +74,7 @@
 #define HAS_RP2350_TRNG 1
 #define HAS_HSTX 1
 
-// PICO_CONFIG: XOSC_HZ, The crystal oscillator frequency in Hz, type=int, default=12000000, advanced=true, group=hardware_base
+// PICO_CONFIG: XOSC_HZ, Crystal oscillator frequency in Hz, type=int, default=12000000, advanced=true, group=hardware_base
 // NOTE:  The system and USB clocks are generated from the frequency using two PLLs.
 // If you override this define, or SYS_CLK_HZ/USB_CLK_HZ below, you will *also* need to add your own adjusted PLL set-up defines to
 // override the defaults which live in src/rp2_common/hardware_clocks/include/hardware/clocks.h
@@ -89,7 +89,7 @@
 #endif
 #endif
 
-// PICO_CONFIG: SYS_CLK_HZ, The system operating frequency in Hz, type=int, default=150000000, advanced=true, group=hardware_base
+// PICO_CONFIG: SYS_CLK_HZ, System operating frequency in Hz, type=int, default=150000000, advanced=true, group=hardware_base
 #ifndef SYS_CLK_HZ
 #ifdef SYS_CLK_KHZ
 #define SYS_CLK_HZ ((SYS_CLK_KHZ) * _u(1000))

src/rp2350/pico_platform/include/pico/platform.h

@@ -30,6 +30,14 @@
 #endif
 
 // PICO_CONFIG: PICO_RP2350A, Whether the current board has an RP2350 in an A (30 GPIO) package, type=bool, default=Usually provided via board header, group=pico_platform
+#if 0 // make tooling checks happy
+#define PICO_RP2350A 0
+#endif
+
+// PICO_CONFIG: PICO_RP2350_A2_SUPPORTED, Whether to include any specific software support for RP2350 A2 revision, type=bool, default=1, advanced=true, group=pico_platform
+#ifndef PICO_RP2350_A2_SUPPORTED
+#define PICO_RP2350_A2_SUPPORTED 1
+#endif
 
 // PICO_CONFIG: PICO_STACK_SIZE, Minimum amount of stack space reserved in the linker script for each core. See also PICO_CORE1_STACK_SIZE, min=0x100, default=0x800, advanced=true, group=pico_platform
 #ifndef PICO_STACK_SIZE
@@ -99,12 +107,10 @@ static inline void busy_wait_at_least_cycles(uint32_t minimum_cycles) {
     );
 }
 
-// PICO_CONFIG: PICO_NO_FPGA_CHECK, Remove the FPGA platform check for small code size reduction, type=bool, default=platform dependent, advanced=true, group=pico_runtime
+// PICO_CONFIG: PICO_NO_FPGA_CHECK, Remove the FPGA platform check for small code size reduction, type=bool, default=1, advanced=true, group=pico_runtime
 #ifndef PICO_NO_FPGA_CHECK
-#if !PICO_RP2040
 #define PICO_NO_FPGA_CHECK 1
 #endif
-#endif
 
 // PICO_CONFIG: PICO_NO_SIM_CHECK, Remove the SIM platform check for small code size reduction, type=bool, default=1, advanced=true, group=pico_runtime
 #ifndef PICO_NO_SIM_CHECK

src/rp2_common/cmsis/CMakeLists.txt

@@ -1,7 +1,7 @@
 # Deferring this config until we decide how to include other CMSIS libraries... it is likely that we always want to use the stub version of the core
 # at least if the vendor/device is RaspberryPi/RP2040...
 
-## PICO_CMAKE_CONFIG: PICO_CMSIS_PATH, directory to locate CMSIS installation, default="included stub CORE only impl", group=build
+## PICO_CMAKE_CONFIG: PICO_CMSIS_PATH, Directory to locate CMSIS installation, type=string, default="included stub CORE only impl", group=build
 #if (DEFINED PICO_CMSIS_PATH)
 #    set(PICO_CMSIS_PATH "${PICO_CMSIS_PATH}" CACHE PATH "Path to the CMSIS tree to use with Raspberry Pi Pico SDK")
 #    message("Using specified PICO_CMSIS_PATH for CMSIS ('${PICO_CMSIS_PATH}')")
@@ -10,7 +10,7 @@
 #    message("Using PICO_CMSIS_PATH from environment for CMSIS ('${PICO_CMSIS_PATH}')")
 #endif()
 #
-## PICO_CMAKE_CONFIG: PICO_CMSIS_VENDOR, vendor name for CMSIS, default="RaspberryPi", group=build
+## PICO_CMAKE_CONFIG: PICO_CMSIS_VENDOR, Vendor name for CMSIS, type=string, default="RaspberryPi", group=build
 #if (DEFINED PICO_CMSIS_VENDOR)
 #    set(PICO_CMSIS_VENDOR "${PICO_CMSIS_VENDOR}" CACHE STRING "CMSIS vendor name to use")
 #    message("Using specified PICO_CMSIS_VENDOR for CMSIS ('${PICO_CMSIS_VENDOR}')")
@@ -21,7 +21,7 @@
 #    set(PICO_CMSIS_VENDOR RaspberryPi)
 #endif()
 #
-## PICO_CMAKE_CONFIG: PICO_CMSIS_DEVICE, device name for CMSIS, default="RP2040", group=build
+## PICO_CMAKE_CONFIG: PICO_CMSIS_DEVICE, Device name for CMSIS, type=string, default="RP2040", group=build
 #if (DEFINED PICO_CMSIS_DEVICE)
 #    set(PICO_CMSIS_DEVICE "${PICO_CMSIS_DEVICE}" CACHE STRING "CMSIS device name to use")
 #    message("Using specified PICO_CMSIS_DEVICE for CMSIS ('${PICO_CMSIS_DEVICE}')")

src/rp2_common/hardware_clocks/include/hardware/clocks.h

@@ -192,7 +192,7 @@ extern "C" {
 #ifndef PLL_SYS_VCO_FREQ_HZ
 #define PLL_SYS_VCO_FREQ_HZ                (1500 * MHZ)
 #endif
-// PICO_CONFIG: PLL_SYS_POSTDIV1, System clock PLL post divider 1 setting, type=int, default=6 on RP2040 5 or on RP2350, advanced=true, group=hardware_clocks
+// PICO_CONFIG: PLL_SYS_POSTDIV1, System clock PLL post divider 1 setting, type=int, default=6 on RP2040 or 5 on RP2350, advanced=true, group=hardware_clocks
 #ifndef PLL_SYS_POSTDIV1
 #if SYS_CLK_HZ == 125 * MHZ
 #define PLL_SYS_POSTDIV1                    6

src/rp2_common/hardware_irq/include/hardware/irq.h

@@ -18,7 +18,7 @@
 #define PICO_DISABLE_SHARED_IRQ_HANDLERS 0
 #endif
 
-// PICO_CONFIG: PICO_VTABLE_PER_CORE, user is using separate vector tables per core, type=bool, default=0, group=hardware_irq
+// PICO_CONFIG: PICO_VTABLE_PER_CORE, User is using separate vector tables per core, type=bool, default=0, group=hardware_irq
 #ifndef PICO_VTABLE_PER_CORE
 #define PICO_VTABLE_PER_CORE 0
 #endif

src/rp2_common/hardware_pio/include/hardware/pio.h

@@ -23,7 +23,7 @@
 #endif
 #endif
 
-// PICO_CONFIG: PICO_PIO_VERSION, The PIO hardware version, type=int, default=0 on RP2040 and 1 on RP2350, group=hardware_pio
+// PICO_CONFIG: PICO_PIO_VERSION, PIO hardware version, type=int, default=0 on RP2040 and 1 on RP2350, group=hardware_pio
 #ifndef PICO_PIO_VERSION
 #if PIO_GPIOBASE_BITS
 #define PICO_PIO_VERSION 1

src/rp2_common/hardware_uart/CMakeLists.txt

@@ -2,7 +2,7 @@ pico_simple_hardware_target(uart)
 
 pico_mirrored_target_link_libraries(hardware_uart INTERFACE hardware_resets hardware_clocks)
 
-# PICO_CONFIG: PICO_DEFAULT_UART_BAUD_RATE, Define the default UART baudrate, max=921600, default=115200, group=hardware_uart
+# PICO_CMAKE_CONFIG: PICO_DEFAULT_UART_BAUD_RATE, Define the default UART baudrate, type=int, max=921600, default=115200, group=hardware_uart
 if (PICO_DEFAULT_UART_BAUD_RATE)
 target_compile_definitions(hardware_uart INTERFACE
         PICO_DEFAULT_UART_BAUD_RATE=${PICO_DEFAULT_UART_BAUD_RATE})

src/rp2_common/pico_bootrom/include/pico/bootrom/lock.h

@@ -10,7 +10,7 @@
 #include "hardware/boot_lock.h"
 #include "pico/bootrom_constants.h"
 
-// PICO_CONFIG: PICO_BOOTROM_LOCKING_ENABLED, Enable/disable locking for bootrom functions that use shared reqsources. If this flag is enabled bootrom lock checking is turned on and BOOT locks are taken around the relevant bootrom functions, type=bool, default=1, group=pico_bootrom
+// PICO_CONFIG: PICO_BOOTROM_LOCKING_ENABLED, Enable/disable locking for bootrom functions that use shared resources. If this flag is enabled bootrom lock checking is turned on and BOOT locks are taken around the relevant bootrom functions, type=bool, default=1, group=pico_bootrom
 #ifndef PICO_BOOTROM_LOCKING_ENABLED
 #if NUM_BOOT_LOCKS > 0
 #define PICO_BOOTROM_LOCKING_ENABLED 1

src/rp2_common/pico_rand/include/pico/rand.h

@@ -70,7 +70,7 @@ extern "C" {
 #endif
 #endif
 
-// PICO_CONFIG: PICO_RAND_ENTROPY_SRC_TRNG, Enable/disable use of hardware TRNG as an entropy source, type=bool, default=1 if no hardware TRNG, group=pico_rand
+// PICO_CONFIG: PICO_RAND_ENTROPY_SRC_TRNG, Enable/disable use of hardware TRNG as an entropy source, type=bool, default=1 if hardware TRNG, group=pico_rand
 #ifndef PICO_RAND_ENTROPY_SRC_TRNG
 #if HAS_RP2350_TRNG
 #define PICO_RAND_ENTROPY_SRC_TRNG 1
@@ -108,9 +108,9 @@ extern "C" {
 #define PICO_RAND_SEED_ENTROPY_SRC_TIME PICO_RAND_ENTROPY_SRC_TIME
 #endif
 
-// PICO_CONFIG: PICO_RAND_SEED_ENTROPY_SRC_BUF_PERF_COUNTER, Enable/disable use of a bus performance counter as an entropy source for the random seed, type=bool, default=PICO_RAND_ENTROPY_SRC_BUS_PERF_COUNTER, group=pico_rand
-#ifndef PICO_RAND_SEED_ENTROPY_SRC_BUF_PERF_COUNTER
-#define PICO_RAND_SEED_ENTROPY_SRC_BUF_PERF_COUNTER PICO_RAND_ENTROPY_SRC_BUS_PERF_COUNTER
+// PICO_CONFIG: PICO_RAND_SEED_ENTROPY_SRC_BUS_PERF_COUNTER, Enable/disable use of a bus performance counter as an entropy source for the random seed, type=bool, default=PICO_RAND_ENTROPY_SRC_BUS_PERF_COUNTER, group=pico_rand
+#ifndef PICO_RAND_SEED_ENTROPY_SRC_BUS_PERF_COUNTER
+#define PICO_RAND_SEED_ENTROPY_SRC_BUS_PERF_COUNTER PICO_RAND_ENTROPY_SRC_BUS_PERF_COUNTER
 #endif
 
 // PICO_CONFIG: PICO_RAND_SEED_ENTROPY_SRC_BOOT_RANDOM, Enable/disable use of the per boot random number as an entropy source for the random seed, type=bool, default=0 on RP2040 which has none, group=pico_rand

src/rp2_common/pico_rand/rand.c

@@ -297,8 +297,8 @@ static void initialise_rand(void) {
 #if PICO_RAND_SEED_ENTROPY_SRC_BUS_PERF_COUNTER
 #if !PICO_RAND_BUS_PERF_COUNTER_INDEX
         int idx = -1;
-        for(uint i = 0; i < count_of(bus_ctrl_hw->counter); i++) {
-            if (bus_ctrl_hw->counter[i].sel == BUSCTRL_PERFSEL0_RESET) {
+        for(uint i = 0; i < count_of(busctrl_hw->counter); i++) {
+            if (busctrl_hw->counter[i].sel == BUSCTRL_PERFSEL0_RESET) {
                 idx = (int)i;
                 break;
             }
@@ -308,7 +308,7 @@ static void initialise_rand(void) {
 #else
         bus_counter_idx = (uint8_t)PICO_RAND_BUS_PERF_COUNTER_INDEX;
 #endif
-        bus_ctrl_hw->counter[bus_counter_idx].sel = PICO_RAND_BUS_PERF_COUNTER_EVENT;
+        busctrl_hw->counter[bus_counter_idx].sel = PICO_RAND_BUS_PERF_COUNTER_EVENT;
 #endif
         (void) xoroshiro128ss(&local_rng_state);
         rng_state = local_rng_state;

src/rp2_common/pico_stdio_usb/include/pico/stdio_usb.h

@@ -51,7 +51,7 @@
 #endif
 #endif
 
-// PICO_CONFIG: PICO_STDIO_USB_RESET_MAGIC_BAUD_RATE, baud rate that if selected causes a reset into BOOTSEL mode (if PICO_STDIO_USB_ENABLE_RESET_VIA_BAUD_RATE is set), default=1200, group=pico_stdio_usb
+// PICO_CONFIG: PICO_STDIO_USB_RESET_MAGIC_BAUD_RATE, Baud rate that if selected causes a reset into BOOTSEL mode (if PICO_STDIO_USB_ENABLE_RESET_VIA_BAUD_RATE is set), default=1200, group=pico_stdio_usb
 #ifndef PICO_STDIO_USB_RESET_MAGIC_BAUD_RATE
 #define PICO_STDIO_USB_RESET_MAGIC_BAUD_RATE 1200
 #endif