atmel-samd/samd21: Enable long int on Express boards

This is necessary for using 1970 epoch in the time module.

10 files changed, 23 insertions, 0 deletions

diff --git a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h
index 3d97e2cb1..44da28eae 100644
--- a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h
+++ b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.h
@@ -1,6 +1,9 @@
 #define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express"
 #define MICROPY_HW_MCU_NAME "samd21g18"
 
+#define MICROPY_LONGINT_IMPL MICROPY_LONGINT_IMPL_MPZ
+#define MP_SSIZE_MAX         0x7fffffff
+
 // Don't allow touch on A0 (PA02), because it's connected to the speaker.
 #define PA02_NO_TOUCH       (true)
 
diff --git a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
index 4d6e32eb7..3b341c32c 100644
--- a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
@@ -9,6 +9,8 @@ SPI_FLASH_FILESYSTEM = 1
 CHIP_VARIANT = SAMD21G18A
 CHIP_FAMILY = samd21
 
+MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz
+
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_CircuitPlayground
diff --git a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.h b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.h
index bfa8c642a..44141773d 100644
--- a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.h
+++ b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.h
@@ -1,6 +1,9 @@
 #define MICROPY_HW_BOARD_NAME "Adafruit Feather M0 Express"
 #define MICROPY_HW_MCU_NAME "samd21g18"
 
+#define MICROPY_LONGINT_IMPL MICROPY_LONGINT_IMPL_MPZ
+#define MP_SSIZE_MAX         0x7fffffff
+
 #define MICROPY_HW_NEOPIXEL (&pin_PA06)
 
 // Clock rates are off: Salae reads 12MHz which is the limit even though we set it to the safer 8MHz.
diff --git a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
index 909922dbe..202d8a626 100644
--- a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
@@ -8,3 +8,5 @@ SPI_FLASH_FILESYSTEM = 1
 
 CHIP_VARIANT = SAMD21G18A
 CHIP_FAMILY = samd21
+
+MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz
diff --git a/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.h b/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.h
index be59bc5d4..fea2d290b 100644
--- a/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.h
+++ b/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.h
@@ -1,6 +1,9 @@
 #define MICROPY_HW_BOARD_NAME "Adafruit Itsy Bitsy M0 Express"
 #define MICROPY_HW_MCU_NAME "samd21g18"
 
+#define MICROPY_LONGINT_IMPL MICROPY_LONGINT_IMPL_MPZ
+#define MP_SSIZE_MAX         0x7fffffff
+
 #define CIRCUITPY_BITBANG_APA102
 #define MICROPY_HW_APA102_MOSI   (&pin_PA01)
 #define MICROPY_HW_APA102_SCK    (&pin_PA00)
diff --git a/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.mk
index 0fb0e38ed..b3e5a636d 100644
--- a/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/itsybitsy_m0_express/mpconfigboard.mk
@@ -9,3 +9,4 @@ SPI_FLASH_FILESYSTEM = 1
 CHIP_VARIANT = SAMD21G18A
 CHIP_FAMILY = samd21
 
+MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz
diff --git a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h
index f798c5d36..4825b6663 100644
--- a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h
+++ b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.h
@@ -1,6 +1,9 @@
 #define MICROPY_HW_BOARD_NAME "Adafruit Metro M0 Express"
 #define MICROPY_HW_MCU_NAME "samd21g18"
 
+#define MICROPY_LONGINT_IMPL MICROPY_LONGINT_IMPL_MPZ
+#define MP_SSIZE_MAX         0x7fffffff
+
 #define MICROPY_HW_LED_TX   PIN_PA27
 //#define MICROPY_HW_LED_RX   PIN_PA31
 
diff --git a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk
index 79d60380d..ee1335c9a 100644
--- a/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/metro_m0_express/mpconfigboard.mk
@@ -8,3 +8,5 @@ SPI_FLASH_FILESYSTEM = 1
 
 CHIP_VARIANT = SAMD21G18A
 CHIP_FAMILY = samd21
+
+MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz
diff --git a/ports/atmel-samd/mpconfigport.h b/ports/atmel-samd/mpconfigport.h
index 27c248001..8e726f9b7 100644
--- a/ports/atmel-samd/mpconfigport.h
+++ b/ports/atmel-samd/mpconfigport.h
@@ -141,8 +141,10 @@ typedef long mp_off_t;
 #define MICROPY_PY_SYS_PLATFORM                     "Atmel SAMD21"
 #define PORT_HEAP_SIZE (16384 + 4096)
 // If you change MICROPY_LONGINT_IMPL, also change MPY_TOOL_LONGINT_IMPL in mpconfigport.mk.
+#ifndef MICROPY_LONGINT_IMPL
 #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_NONE)
 #endif
+#endif
 
 #ifdef SAMD51
 #define CIRCUITPY_MCU_FAMILY samd51
diff --git a/ports/atmel-samd/mpconfigport.mk b/ports/atmel-samd/mpconfigport.mk
index 0f3f399e2..80ec9d978 100644
--- a/ports/atmel-samd/mpconfigport.mk
+++ b/ports/atmel-samd/mpconfigport.mk
@@ -2,8 +2,10 @@
 # $(MPY-TOOL) needs to know what kind of longint to use (if any) to freeze long integers.
 # This should correspond to the MICROPY_LONGINT_IMPL definition in mpconfigport.h.
 ifeq ($(CHIP_FAMILY), samd21)
+ifndef MPY_TOOL_LONGINT_IMPL
 MPY_TOOL_LONGINT_IMPL = -mlongint-impl=none
 endif
+endif
 
 ifeq ($(CHIP_FAMILY), samd51)
 MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz