Additional missing-prototypes fixes

devices/ble_hci/common-hal/_bleio/CharacteristicBuffer.c

@@ -33,6 +33,7 @@
 
 #include "shared-bindings/_bleio/__init__.h"
 #include "shared-bindings/_bleio/Connection.h"
+#include "shared-bindings/_bleio/CharacteristicBuffer.h"
 #include "supervisor/shared/tick.h"
 #include "common-hal/_bleio/CharacteristicBuffer.h"
 

devices/ble_hci/common-hal/_bleio/Connection.h

@@ -85,5 +85,6 @@ typedef struct {
 uint16_t bleio_connection_get_conn_handle(bleio_connection_obj_t *self);
 mp_obj_t bleio_connection_new_from_internal(bleio_connection_internal_t *connection);
 bleio_connection_internal_t *bleio_conn_handle_to_connection(uint16_t conn_handle);
+void bleio_connection_clear(bleio_connection_internal_t *self);
 
 #endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_CONNECTION_H

devices/ble_hci/common-hal/_bleio/att.c

@@ -1,6 +1,12 @@
 // Derived from ArduinoBLE.
 // Copyright 2020 Dan Halbert for Adafruit Industries
 
+// Some functions here are unused now, but may be used in the future.
+// Don't warn or error about this, and depend on the compiler & linker to
+// eliminate the associated code.
+#pragma GCC diagnostic ignored "-Wunused"
+#pragma GCC diagnostic ignored "-Wunused-function"
+
 /*
   This file is part of the ArduinoBLE library.
   Copyright (c) 2018 Arduino SA. All rights reserved.
@@ -857,7 +863,7 @@ STATIC void process_find_info_req(uint16_t conn_handle, uint16_t mtu, uint8_t dl
     }
 }
 
-int att_find_info_req(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, uint8_t response_buffer[]) {
+static int att_find_info_req(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, uint8_t response_buffer[]) {
     struct __packed req {
         struct bt_att_hdr h;
         struct bt_att_find_info_req r;
@@ -925,7 +931,7 @@ STATIC void process_find_type_req(uint16_t conn_handle, uint16_t mtu, uint8_t dl
     }
 }
 
-void process_read_group_req(uint16_t conn_handle, uint16_t mtu, uint8_t dlen, uint8_t data[]) {
+static void process_read_group_req(uint16_t conn_handle, uint16_t mtu, uint8_t dlen, uint8_t data[]) {
     struct bt_att_read_group_req *req = (struct bt_att_read_group_req *)data;
     uint16_t type_uuid = req->uuid[0] | (req->uuid[1] << 8);
 
@@ -1009,7 +1015,7 @@ void process_read_group_req(uint16_t conn_handle, uint16_t mtu, uint8_t dlen, ui
     }
 }
 
-int att_read_group_req(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, uint16_t uuid, uint8_t response_buffer[]) {
+static int att_read_group_req(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, uint16_t uuid, uint8_t response_buffer[]) {
 
     typedef struct __packed {
         struct bt_att_hdr h;
@@ -1305,7 +1311,7 @@ STATIC void process_read_type_req(uint16_t conn_handle, uint16_t mtu, uint8_t dl
     }
 }
 
-int att_read_type_req(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, uint16_t type, uint8_t response_buffer[]) {
+static int att_read_type_req(uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, uint16_t type, uint8_t response_buffer[]) {
     typedef struct __packed {
         struct bt_att_hdr h;
         struct bt_att_read_type_req r;
@@ -1715,7 +1721,7 @@ void att_process_data(uint16_t conn_handle, uint8_t dlen, uint8_t data[]) {
 }
 
 // FIX Do we need all of these?
-void check_att_err(uint8_t err) {
+static void check_att_err(uint8_t err) {
     const compressed_string_t *msg = NULL;
     switch (err) {
         case 0:

ports/atmel-samd/Makefile

@@ -291,7 +291,7 @@ $(BUILD)/asf4/$(CHIP_FAMILY)/hpl/sdhc/hpl_sdhc.o: CFLAGS += -Wno-cast-align -Wno
 endif
 
 SRC_ASF := $(addprefix asf4/$(CHIP_FAMILY)/, $(SRC_ASF))
-$(patsubst $(SRC_ASF),%.c,%.o): CFLAGS += -Wno-missing-prototypes
+$(patsubst %.c,$(BUILD)/%.o,$(SRC_ASF)): CFLAGS += -Wno-missing-prototypes
 
 SRC_PERIPHERALS := \
 	peripherals/samd/$(PERIPHERALS_CHIP_FAMILY)/adc.c \
@@ -310,7 +310,7 @@ SRC_PERIPHERALS := \
 	peripherals/samd/sercom.c \
 	peripherals/samd/timers.c \
 
-$(patsubst $(SRC_PERIPHERALS),%.c,%.o): CFLAGS += -Wno-missing-prototypes
+$(patsubst %.c,$(BUILD)/%.o,$(SRC_PERIPHERALS)): CFLAGS += -Wno-missing-prototypes
 
 SRC_C += \
 	audio_dma.c \
@@ -328,6 +328,8 @@ SRC_C += \
 	timer_handler.c \
 	$(SRC_PERIPHERALS) \
 
+$(BUILD)/lib/tinyusb/src/portable/microchip/samd/dcd_samd.o: CFLAGS += -Wno-missing-prototypes
+
 # This is an OR because it filters to any 1s and then checks to see if it is not
 # empty.
 ifneq (,$(filter 1,$(CIRCUITPY_PWMIO) $(CIRCUITPY_AUDIOIO) $(CIRCUITPY_RGBMATRIX)))

ports/atmel-samd/boards/pewpew_m4/board.c

@@ -50,7 +50,7 @@ typedef struct {
 
 #define DELAY 0x80
 
-uint32_t lookupCfg(uint32_t key, uint32_t defl) {
+STATIC uint32_t lookupCfg(uint32_t key, uint32_t defl) {
     const uint32_t *ptr = UF2_BINFO->config_data;
     if (!ptr || (((uint32_t)ptr) & 3) || *ptr != CFG_MAGIC0) {
         // no config data!

ports/atmel-samd/common-hal/alarm/SleepMemory.c

@@ -28,6 +28,7 @@
 
 #include "py/runtime.h"
 #include "common-hal/alarm/SleepMemory.h"
+#include "shared-bindings/alarm/SleepMemory.h"
 #include "shared-bindings/nvm/ByteArray.h"
 
 void alarm_sleep_memory_reset(void) {

ports/atmel-samd/common-hal/audiobusio/PDMIn.c

@@ -485,6 +485,3 @@ uint32_t common_hal_audiobusio_pdmin_record_to_buffer(audiobusio_pdmin_obj_t* se
 
     return values_output;
 }
-
-void common_hal_audiobusio_pdmin_record_to_file(audiobusio_pdmin_obj_t* self, uint8_t* buffer, uint32_t length) {
-}

ports/atmel-samd/common-hal/busio/__init__.c

@@ -25,6 +25,7 @@
  */
 
 #include "samd/sercom.h"
+#include "common-hal/busio/__init__.h"
 
 static bool never_reset_sercoms[SERCOM_INST_NUM];
 

ports/atmel-samd/common-hal/canio/Listener.c

@@ -195,7 +195,7 @@ STATIC void install_extended_filter(CanMramXidfe *extended, int id1, int id2, in
 
 
 #define NO_ID (-1)
-void set_filters(canio_listener_obj_t *self, size_t nmatch, canio_match_obj_t **matches) {
+STATIC void set_filters(canio_listener_obj_t *self, size_t nmatch, canio_match_obj_t **matches) {
     int fifo = self->fifo_idx;
 
     if (!nmatch) {

ports/atmel-samd/common-hal/countio/Counter.c

@@ -1,5 +1,6 @@
 
 #include "common-hal/countio/Counter.h"
+#include "shared-bindings/countio/Counter.h"
 
 #include "atmel_start_pins.h"
 

ports/atmel-samd/common-hal/microcontroller/Processor.c

@@ -65,6 +65,7 @@
 
 #include "py/mphal.h"
 #include "common-hal/microcontroller/Processor.h"
+#include "shared-bindings/microcontroller/Processor.h"
 #include "shared-bindings/microcontroller/ResetReason.h"
 
 #include "samd/adc.h"

ports/atmel-samd/common-hal/nvm/ByteArray.c

@@ -25,6 +25,7 @@
  */
 
 #include "common-hal/nvm/ByteArray.h"
+#include "shared-bindings/nvm/ByteArray.h"
 
 #include "hal_flash.h"
 
@@ -33,11 +34,11 @@
 #include <stdint.h>
 #include <string.h>
 
-uint32_t common_hal_nvm_bytearray_get_length(nvm_bytearray_obj_t *self) {
+uint32_t common_hal_nvm_bytearray_get_length(const nvm_bytearray_obj_t *self) {
     return self->len;
 }
 
-bool common_hal_nvm_bytearray_set_bytes(nvm_bytearray_obj_t *self,
+bool common_hal_nvm_bytearray_set_bytes(const nvm_bytearray_obj_t *self,
     uint32_t start_index, uint8_t *values, uint32_t len) {
     // We don't use features that use any advanced NVMCTRL features so we can fake the descriptor
     // whenever we need it instead of storing it long term.
@@ -49,7 +50,7 @@ bool common_hal_nvm_bytearray_set_bytes(nvm_bytearray_obj_t *self,
 }
 
 // NVM memory is memory mapped so reading it is easy.
-void common_hal_nvm_bytearray_get_bytes(nvm_bytearray_obj_t *self,
+void common_hal_nvm_bytearray_get_bytes(const nvm_bytearray_obj_t *self,
     uint32_t start_index, uint32_t len, uint8_t *values) {
     memcpy(values, self->start_address + start_index, len);
 }

ports/atmel-samd/common-hal/os/__init__.c

@@ -30,6 +30,8 @@
 #include "py/objtuple.h"
 #include "py/qstr.h"
 
+#include "shared-bindings/os/__init__.h"
+
 #ifdef SAM_D5X_E5X
 #include "hal/include/hal_rand_sync.h"
 #endif
@@ -66,7 +68,7 @@ mp_obj_t common_hal_os_uname(void) {
     return (mp_obj_t)&os_uname_info_obj;
 }
 
-bool common_hal_os_urandom(uint8_t *buffer, uint32_t length) {
+bool common_hal_os_urandom(uint8_t *buffer, mp_uint_t length) {
     #ifdef SAM_D5X_E5X
     hri_mclk_set_APBCMASK_TRNG_bit(MCLK);
     struct rand_sync_desc random;

ports/atmel-samd/common-hal/ps2io/Ps2.c

@@ -26,6 +26,7 @@
  */
 
 #include "common-hal/ps2io/Ps2.h"
+#include "shared-bindings/ps2io/Ps2.h"
 
 #include <stdint.h>
 
@@ -302,11 +303,6 @@ uint16_t common_hal_ps2io_ps2_get_len(ps2io_ps2_obj_t *self) {
     return self->bufcount;
 }
 
-bool common_hal_ps2io_ps2_get_paused(ps2io_ps2_obj_t *self) {
-    uint32_t mask = 1 << self->channel;
-    return (EIC->INTENSET.reg & (mask << EIC_INTENSET_EXTINT_Pos)) == 0;
-}
-
 int16_t common_hal_ps2io_ps2_popleft(ps2io_ps2_obj_t *self) {
     common_hal_mcu_disable_interrupts();
     if (self->bufcount <= 0) {

ports/atmel-samd/common-hal/pulseio/PulseOut.c

@@ -59,7 +59,7 @@ static void turn_off(__IO PORT_PINCFG_Type *pincfg) {
     pincfg->reg = PORT_PINCFG_RESETVALUE;
 }
 
-void pulse_finish(void) {
+STATIC void pulse_finish(void) {
     pulse_index++;
 
     if (active_pincfg == NULL) {

ports/atmel-samd/common-hal/pwmio/PWMOut.c

@@ -91,7 +91,7 @@ static uint8_t tcc_channel(const pin_timer_t *t) {
     return t->wave_output % tcc_cc_num[t->index];
 }
 
-bool channel_ok(const pin_timer_t *t) {
+STATIC bool channel_ok(const pin_timer_t *t) {
     uint8_t channel_bit = 1 << tcc_channel(t);
     return (!t->is_tc && ((tcc_channels[t->index] & channel_bit) == 0)) ||
            t->is_tc;

ports/atmel-samd/common-hal/rotaryio/IncrementalEncoder.c

@@ -25,6 +25,7 @@
  */
 
 #include "common-hal/rotaryio/IncrementalEncoder.h"
+#include "shared-bindings/rotaryio/IncrementalEncoder.h"
 #include "shared-module/rotaryio/IncrementalEncoder.h"
 
 #include "atmel_start_pins.h"

ports/atmel-samd/common-hal/rtc/RTC.c

@@ -35,6 +35,7 @@
 #include "py/runtime.h"
 #include "shared/timeutils/timeutils.h"
 #include "shared-bindings/rtc/__init__.h"
+#include "shared-bindings/rtc/RTC.h"
 #include "supervisor/port.h"
 #include "supervisor/shared/translate.h"
 

ports/atmel-samd/common-hal/watchdog/WatchDogTimer.c

@@ -50,7 +50,7 @@ mp_float_t common_hal_watchdog_get_timeout(watchdog_watchdogtimer_obj_t *self) {
     return self->timeout;
 }
 
-void setup_wdt(watchdog_watchdogtimer_obj_t *self, int setting) {
+STATIC void setup_wdt(watchdog_watchdogtimer_obj_t *self, int setting) {
     OSC32KCTRL->OSCULP32K.bit.EN1K = 1;  // Enable out 1K (for WDT)
 
     // disable watchdog for config

ports/atmel-samd/supervisor/internal_flash.c

@@ -78,10 +78,6 @@ void port_internal_flash_flush(void) {
 void supervisor_flash_release_cache(void) {
 }
 
-void flash_flush(void) {
-    supervisor_flash_flush();
-}
-
 static int32_t convert_block_to_flash_addr(uint32_t block) {
     if (0 <= block && block < INTERNAL_FLASH_PART1_NUM_BLOCKS) {
         // a block in partition 1
@@ -91,7 +87,7 @@ static int32_t convert_block_to_flash_addr(uint32_t block) {
     return -1;
 }
 
-bool supervisor_flash_read_block(uint8_t *dest, uint32_t block) {
+STATIC bool supervisor_flash_read_block(uint8_t *dest, uint32_t block) {
     // non-MBR block, get data from flash memory
     int32_t src = convert_block_to_flash_addr(block);
     if (src == -1) {
@@ -102,7 +98,7 @@ bool supervisor_flash_read_block(uint8_t *dest, uint32_t block) {
     return error_code == ERR_NONE;
 }
 
-bool supervisor_flash_write_block(const uint8_t *src, uint32_t block) {
+STATIC bool supervisor_flash_write_block(const uint8_t *src, uint32_t block) {
     // non-MBR block, copy to cache
     int32_t dest = convert_block_to_flash_addr(block);
     if (dest == -1) {

ports/atmel-samd/supervisor/port.c

@@ -109,6 +109,7 @@
 #include "shared-bindings/rtc/__init__.h"
 #include "shared_timers.h"
 #include "reset.h"
+#include "common-hal/pulseio/PulseIn.h"
 
 #include "supervisor/background_callback.h"
 #include "supervisor/shared/safe_mode.h"

ports/espressif/Makefile

@@ -150,7 +150,7 @@ endif
 # option to override compiler optimization level, set in boards/$(BOARD)/mpconfigboard.mk
 CFLAGS += $(OPTIMIZATION_FLAGS)
 
-CFLAGS += $(INC) -Werror -Wall -std=gnu11 -Wl,--gc-sections $(BASE_CFLAGS) $(C_DEFS) $(CFLAGS_MOD) $(COPT)
+CFLAGS += $(INC) -Werror -Wall -std=gnu11 -Wl,--gc-sections $(BASE_CFLAGS) $(C_DEFS) $(CFLAGS_MOD) $(COPT) -Werror=missing-prototypes
 
 ifeq ($(IDF_TARGET_ARCH),xtensa)
 CFLAGS += -mlongcalls

ports/espressif/background.c

@@ -26,6 +26,7 @@
 
 #include "py/runtime.h"
 #include "supervisor/filesystem.h"
+#include "supervisor/port.h"
 #include "supervisor/shared/stack.h"
 
 #include "freertos/FreeRTOS.h"

ports/espressif/bindings/espidf/__init__.c

@@ -82,15 +82,7 @@ STATIC mp_obj_t espidf_erase_nvs(void) {
 MP_DEFINE_CONST_FUN_OBJ_0(espidf_erase_nvs_obj, espidf_erase_nvs);
 
 
-//| class IDFError(OSError):
-//|     """Raised for certain generic ESP IDF errors."""
-//|     ...
-//|
-NORETURN void mp_raise_espidf_IDFError(void) {
-    nlr_raise(mp_obj_new_exception(&mp_type_espidf_IDFError));
-}
-
-void espidf_exception_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
+STATIC void espidf_exception_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
     mp_print_kind_t k = kind & ~PRINT_EXC_SUBCLASS;
     bool is_subclass = kind & PRINT_EXC_SUBCLASS;
     if (!is_subclass && (k == PRINT_EXC)) {

ports/espressif/boards/ai_thinker_esp32-c3s/board.c

@@ -26,6 +26,7 @@
  */
 
 #include "shared-bindings/microcontroller/Pin.h"
+#include "supervisor/board.h"
 
 void board_init(void) {
 
@@ -51,6 +52,3 @@ bool board_requests_safe_mode(void) {
 
 void reset_board(void) {
 }
-
-void board_deinit(void) {
-}

ports/espressif/boards/microdev_micro_c3/board.c

@@ -25,6 +25,7 @@
  */
 
 #include "shared-bindings/microcontroller/Pin.h"
+#include "supervisor/board.h"
 
 void board_init(void) {
     // USB
@@ -54,5 +55,7 @@ bool board_requests_safe_mode(void) {
 void reset_board(void) {
 }
 
+#if CIRCUITPY_ALARM
 void board_deinit(void) {
 }
+#endif

ports/espressif/cam.c

@@ -69,7 +69,7 @@ typedef struct {
 
 static cam_obj_t *cam_obj = NULL;
 
-void IRAM_ATTR cam_isr(void *arg) {
+static void IRAM_ATTR cam_isr(void *arg) {
     cam_event_t cam_event = {0};
     BaseType_t HPTaskAwoken = pdFALSE;
     typeof(I2S0.int_st) int_st = I2S0.int_st;
@@ -85,7 +85,7 @@ void IRAM_ATTR cam_isr(void *arg) {
     }
 }
 
-void IRAM_ATTR cam_vsync_isr(void *arg) {
+static void IRAM_ATTR cam_vsync_isr(void *arg) {
     cam_event_t cam_event = {0};
     BaseType_t HPTaskAwoken = pdFALSE;
     /*!< filter */
@@ -392,7 +392,7 @@ void cam_give(uint8_t *buffer) {
     }
 }
 
-void cam_dma_config(const cam_config_t *config) {
+static void cam_dma_config(const cam_config_t *config) {
     int cnt = 0;
 
     if (config->mode.jpeg) {