diff options
| author | Damien George <damien.p.george@gmail.com> | 2018-01-31 18:12:53 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2018-01-31 18:12:53 +1100 |
| commit | efdda2c62deba4f4f24672e441cffe496158bb35 (patch) | |
| tree | ce6036a5dc41f4f68010d199c871e0a1a488df19 | |
| parent | a40ce1d829eca6fe0fad0b7f4478a6651903dd2a (diff) | |
stm32: Add support for DHT11/DHT22 sensors.
| -rw-r--r-- | drivers/dht/dht.py | 7 | ||||
| -rw-r--r-- | ports/stm32/Makefile | 1 | ||||
| -rw-r--r-- | ports/stm32/modpyb.c | 4 | ||||
| l--------- | ports/stm32/modules/dht.py | 1 |
4 files changed, 11 insertions, 2 deletions
diff --git a/drivers/dht/dht.py b/drivers/dht/dht.py index 9a69e7e07..eed61df7c 100644 --- a/drivers/dht/dht.py +++ b/drivers/dht/dht.py @@ -1,7 +1,10 @@ # DHT11/DHT22 driver for MicroPython on ESP8266 # MIT license; Copyright (c) 2016 Damien P. George -import esp +try: + from esp import dht_readinto +except: + from pyb import dht_readinto class DHTBase: def __init__(self, pin): @@ -10,7 +13,7 @@ class DHTBase: def measure(self): buf = self.buf - esp.dht_readinto(self.pin, buf) + dht_readinto(self.pin, buf) if (buf[0] + buf[1] + buf[2] + buf[3]) & 0xff != buf[4]: raise Exception("checksum error") diff --git a/ports/stm32/Makefile b/ports/stm32/Makefile index 68b007471..65962bea6 100644 --- a/ports/stm32/Makefile +++ b/ports/stm32/Makefile @@ -186,6 +186,7 @@ EXTMOD_SRC_C = $(addprefix extmod/,\ DRIVERS_SRC_C = $(addprefix drivers/,\ memory/spiflash.c \ + dht/dht.c \ ) SRC_C = \ diff --git a/ports/stm32/modpyb.c b/ports/stm32/modpyb.c index 4d186e278..970b5b954 100644 --- a/ports/stm32/modpyb.c +++ b/ports/stm32/modpyb.c @@ -34,6 +34,7 @@ #include "lib/utils/pyexec.h" #include "lib/oofatfs/ff.h" #include "lib/oofatfs/diskio.h" +#include "drivers/dht/dht.h" #include "gccollect.h" #include "stm32_it.h" #include "irq.h" @@ -168,6 +169,9 @@ STATIC const mp_rom_map_elem_t pyb_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR_sync), MP_ROM_PTR(&mod_os_sync_obj) }, { MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&mp_vfs_mount_obj) }, + // This function is not intended to be public and may be moved elsewhere + { MP_ROM_QSTR(MP_QSTR_dht_readinto), MP_ROM_PTR(&dht_readinto_obj) }, + { MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&pyb_timer_type) }, #if MICROPY_HW_ENABLE_RNG diff --git a/ports/stm32/modules/dht.py b/ports/stm32/modules/dht.py new file mode 120000 index 000000000..2aa2f5cbf --- /dev/null +++ b/ports/stm32/modules/dht.py @@ -0,0 +1 @@ +../../../drivers/dht/dht.py
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