CFLAGS_MCU += -mtune=cortex-m4 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard MPY_CROSS_MCU_ARCH = armv7m MICROPY_VFS_LFS2 ?= 1 MICROPY_VFS_FAT ?= 1 FROZEN_MANIFEST ?= mcu/$(MCU_SERIES_LOWER)/manifest.py SRC_S += shared/runtime/gchelper_thumb2.s SRC_C += \ fatfs_port.c \ drivers/dht/dht.c \ LIBM_SRC_C += $(addprefix lib/libm/,\ acoshf.c \ asinfacosf.c \ asinhf.c \ atan2f.c \ atanf.c \ atanhf.c \ ef_rem_pio2.c \ erf_lgamma.c \ fmodf.c \ kf_cos.c \ kf_rem_pio2.c \ kf_sin.c \ kf_tan.c \ log1pf.c \ math.c \ nearbyintf.c \ roundf.c \ sf_cos.c \ sf_erf.c \ sf_frexp.c \ sf_ldexp.c \ sf_modf.c \ sf_sin.c \ sf_tan.c \ wf_lgamma.c \ wf_tgamma.c \ )