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-rw-r--r--ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.mk b/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.mk
index e5b48d064..7151a5abc 100644
--- a/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.mk
+++ b/ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.mk
@@ -10,7 +10,7 @@ BOOTLOADER_DFU_USB_PID = 0x035b
# MCU settings
MCU_SERIES = h7
CMSIS_MCU = STM32H747xx
-MICROPY_FLOAT_IMPL = double
+MICROPY_FLOAT_IMPL = single
AF_FILE = boards/stm32h743_af.csv
LD_FILES = boards/ARDUINO_PORTENTA_H7/stm32h747.ld
TEXT0_ADDR = 0x08040000