Fixup warnings from merge about undefined macro values, switch to

VM keyboard exception and switch to FATFS reader.

atmel-samd/Makefile

@@ -197,6 +197,7 @@ SRC_C = \
 	lib/fatfs/ff.c \
 	lib/fatfs/option/ccsbcs.c \
 	lib/timeutils/timeutils.c \
+	lib/utils/interrupt_char.c \
 	lib/utils/pyexec.c \
 	lib/utils/pyhelp.c \
 	lib/utils/stdout_helpers.c \

atmel-samd/autoreset.c

@@ -27,23 +27,22 @@
 #include "autoreset.h"
 
 #include "asf/sam0/drivers/tc/tc_interrupt.h"
+#include "lib/utils/interrupt_char.h"
 #include "py/mphal.h"
 
-void mp_keyboard_interrupt(void);
-
 volatile uint32_t autoreset_delay_ms = 0;
 bool autoreset_enabled = false;
 volatile bool reset_next_character = false;
 
 inline void autoreset_tick() {
-  if (autoreset_delay_ms == 0) {
-      return;
-  }
-  if (autoreset_delay_ms == 1 && autoreset_enabled && !reset_next_character) {
-      mp_keyboard_interrupt();
-      reset_next_character = true;
-  }
-  autoreset_delay_ms--;
+    if (autoreset_delay_ms == 0) {
+        return;
+    }
+    if (autoreset_delay_ms == 1 && autoreset_enabled && !reset_next_character) {
+        mp_keyboard_interrupt();
+        reset_next_character = true;
+    }
+    autoreset_delay_ms--;
 }
 
 void autoreset_enable() {

atmel-samd/main.c

@@ -125,8 +125,6 @@ void reset_mp(void) {
     mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash));
     mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash_slash_lib));
     mp_obj_list_init(mp_sys_argv, 0);
-
-    MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
 }
 
 #ifdef EXPRESS_BOARD
@@ -480,16 +478,6 @@ void gc_collect(void) {
     gc_collect_end();
 }
 
-mp_lexer_t *fat_vfs_lexer_new_from_file(const char *filename);
-mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
-    #if MICROPY_VFS_FAT
-    return fat_vfs_lexer_new_from_file(filename);
-    #else
-    (void)filename;
-    return NULL;
-    #endif
-}
-
 mp_import_stat_t fat_vfs_import_stat(const char *path);
 mp_import_stat_t mp_import_stat(const char *path) {
     #if MICROPY_VFS_FAT
@@ -500,10 +488,6 @@ mp_import_stat_t mp_import_stat(const char *path) {
     #endif
 }
 
-void mp_keyboard_interrupt(void) {
-    MP_STATE_VM(mp_pending_exception) = MP_STATE_PORT(mp_kbd_exception);
-}
-
 void nlr_jump_fail(void *val) {
 }
 

atmel-samd/mpconfigport.h

@@ -86,9 +86,12 @@
 #define MICROPY_USE_INTERNAL_PRINTF (1)
 #define MICROPY_PY_SYS_STDFILES     (1)
 #define MICROPY_PY_IO_FILEIO        (1)
+#define MICROPY_READER_FATFS        (1)
 #define MICROPY_PERSISTENT_CODE_LOAD (1)
 #define MICROPY_PY_BUILTINS_STR_UNICODE (1)
 
+#define MICROPY_KBD_EXCEPTION       (1)
+
 // type definitions for the specific machine
 
 #define BYTES_PER_WORD (4)
@@ -172,7 +175,6 @@ extern const struct _mp_obj_module_t samd_module;
 #define MICROPY_PORT_ROOT_POINTERS \
     const char *readline_hist[8]; \
     vstr_t *repl_line; \
-    mp_obj_t mp_kbd_exception; \
     FLASH_ROOT_POINTERS \
 
 bool udi_msc_process_trans(void);

atmel-samd/mphalport.c

@@ -8,6 +8,7 @@
 #include "asf/sam0/drivers/port/port.h"
 #include "asf/sam0/drivers/sercom/usart/usart.h"
 #include "lib/mp-readline/readline.h"
+#include "lib/utils/interrupt_char.h"
 #include "py/mphal.h"
 #include "py/mpstate.h"
 #include "py/smallint.h"
@@ -34,9 +35,6 @@ volatile uint8_t usb_rx_count;
 
 volatile bool mp_cdc_enabled = false;
 
-void mp_keyboard_interrupt(void);
-int interrupt_char;
-
 extern struct usart_module usart_instance;
 
 static volatile bool mp_msc_enabled = false;
@@ -106,7 +104,7 @@ void usb_rx_notify(void)
             // character!
             c = udi_cdc_getc();
 
-            if (c == interrupt_char) {
+            if (c == mp_interrupt_char) {
                 // We consumed a character rather than adding it to the rx
                 // buffer so undo the modifications we made to count and the
                 // tail.
@@ -219,14 +217,6 @@ void mp_hal_stdout_tx_strn(const char *str, size_t len) {
     #endif
 }
 
-extern int interrupt_char;
-void mp_hal_set_interrupt_char(int c) {
-    if (c != -1) {
-        mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_kbd_exception));
-    }
-    interrupt_char = c;
-}
-
 void mp_hal_delay_ms(mp_uint_t delay) {
     // If mass storage is enabled measure the time ourselves and run any mass
     // storage transactions in the meantime.
@@ -239,7 +229,7 @@ void mp_hal_delay_ms(mp_uint_t delay) {
                 MICROPY_VM_HOOK_LOOP
             #endif
             // Check to see if we've been CTRL-Ced by autoreset or the user.
-            if(MP_STATE_VM(mp_pending_exception) == MP_STATE_PORT(mp_kbd_exception)) {
+            if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))) {
                 break;
             }
             duration = (common_hal_time_monotonic() - start_tick);

extmod/modframebuf.c

@@ -353,7 +353,7 @@ STATIC mp_obj_t framebuf_blit(size_t n_args, const mp_obj_t *args) {
         int cx1 = x1;
         for (int cx0 = x0; cx0 < x0end; ++cx0) {
             color = getpixel(source, cx1, y1);
-            if (color != key) {
+            if (key == -1 || color != (uint32_t)key) {
                 setpixel(self, cx0, y0, color);
             }
             ++cx1;

py/asmarm.h

@@ -122,7 +122,7 @@ void asm_arm_bcc_label(asm_arm_t *as, int cond, uint label);
 void asm_arm_b_label(asm_arm_t *as, uint label);
 void asm_arm_bl_ind(asm_arm_t *as, void *fun_ptr, uint fun_id, uint reg_temp);
 
-#if GENERIC_ASM_API
+#ifdef GENERIC_ASM_API
 
 // The following macros provide a (mostly) arch-independent API to
 // generate native code, and are used by the native emitter.

py/asmthumb.h

@@ -237,7 +237,7 @@ void asm_thumb_b_label(asm_thumb_t *as, uint label); // convenience: picks narro
 void asm_thumb_bcc_label(asm_thumb_t *as, int cc, uint label); // convenience: picks narrow or wide branch
 void asm_thumb_bl_ind(asm_thumb_t *as, void *fun_ptr, uint fun_id, uint reg_temp); // convenience
 
-#if GENERIC_ASM_API
+#ifdef GENERIC_ASM_API
 
 // The following macros provide a (mostly) arch-independent API to
 // generate native code, and are used by the native emitter.

py/asmx64.h

@@ -114,7 +114,7 @@ void asm_x64_mov_r64_to_local(asm_x64_t* as, int src_r64, int dest_local_num);
 void asm_x64_mov_local_addr_to_r64(asm_x64_t* as, int local_num, int dest_r64);
 void asm_x64_call_ind(asm_x64_t* as, void* ptr, int temp_r32);
 
-#if GENERIC_ASM_API
+#ifdef GENERIC_ASM_API
 
 // The following macros provide a (mostly) arch-independent API to
 // generate native code, and are used by the native emitter.

py/asmx86.h

@@ -112,7 +112,7 @@ void asm_x86_mov_r32_to_local(asm_x86_t* as, int src_r32, int dest_local_num);
 void asm_x86_mov_local_addr_to_r32(asm_x86_t* as, int local_num, int dest_r32);
 void asm_x86_call_ind(asm_x86_t* as, void* ptr, mp_uint_t n_args, int temp_r32);
 
-#if GENERIC_ASM_API
+#ifdef GENERIC_ASM_API
 
 // The following macros provide a (mostly) arch-independent API to
 // generate native code, and are used by the native emitter.

py/asmxtensa.h

@@ -239,7 +239,7 @@ void asm_xtensa_mov_local_reg(asm_xtensa_t *as, int local_num, uint reg_src);
 void asm_xtensa_mov_reg_local(asm_xtensa_t *as, uint reg_dest, int local_num);
 void asm_xtensa_mov_reg_local_addr(asm_xtensa_t *as, uint reg_dest, int local_num);
 
-#if GENERIC_ASM_API
+#ifdef GENERIC_ASM_API
 
 // The following macros provide a (mostly) arch-independent API to
 // generate native code, and are used by the native emitter.

py/mperrno.h

@@ -28,6 +28,7 @@
 #define __MICROPY_INCLUDED_PY_MPERRNO_H__
 
 #include "py/mpconfig.h"
+#include "py/obj.h"
 
 #if MICROPY_USE_INTERNAL_ERRNO
 

shared-bindings/nativeio/UART.c

@@ -148,18 +148,12 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(nativeio_uart___exit___obj, 4, 4, nat
 //
 //|   .. method:: read([nbytes])
 //|
-//|     Read characters.  If ``nbytes`` is specified then read at most that many bytes.
+//|     Read characters.  If ``nbytes`` is specified then read at most that many
+//|     bytes. Otherwise, read everything that has been buffered.
 //|
 //|     :return: Data read
 //|     :rtype: bytes or None
 //|
-//|   .. method:: readall()
-//|
-//|     Reads much has been buffered.
-//|
-//|     :return: Data buffered so far
-//|     :rtype: bytes or None
-//|
 //|   .. method:: readinto(buf[, nbytes])
 //|
 //|     Read bytes into the ``buf``.  If ``nbytes`` is specified then read at most
@@ -263,7 +257,6 @@ STATIC const mp_rom_map_elem_t nativeio_uart_locals_dict_table[] = {
 
     // Standard stream methods.
     { MP_OBJ_NEW_QSTR(MP_QSTR_read),     MP_ROM_PTR(&mp_stream_read_obj) },
-    { MP_OBJ_NEW_QSTR(MP_QSTR_readall),  MP_ROM_PTR(&mp_stream_readall_obj) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_readline), MP_ROM_PTR(&mp_stream_unbuffered_readline_obj)},
     { MP_OBJ_NEW_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&mp_stream_readinto_obj) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_write),    MP_ROM_PTR(&mp_stream_write_obj) },