From 908e4cf5c3e21c73877686aa233b3dfd49d9083c Mon Sep 17 00:00:00 2001
From: iabdalkader <i.abdalkader@gmail.com>
Date: Sun, 2 Jan 2022 15:07:33 +0200
Subject: [PATCH] rp2: Add support for DHT11 and DHT22 sensors.

---
 drivers/dht/dht.py           | 2 ++
 ports/rp2/CMakeLists.txt     | 1 +
 ports/rp2/boards/manifest.py | 1 +
 ports/rp2/modrp2.c           | 3 +++
 4 files changed, 7 insertions(+)

diff --git a/drivers/dht/dht.py b/drivers/dht/dht.py
index 322608990e..9be23b3ae0 100644
--- a/drivers/dht/dht.py
+++ b/drivers/dht/dht.py
@@ -7,6 +7,8 @@ if sys.platform.startswith("esp"):
     from esp import dht_readinto
 elif sys.platform == "mimxrt":
     from mimxrt import dht_readinto
+elif sys.platform == "rp2":
+    from rp2 import dht_readinto
 else:
     from pyb import dht_readinto
 
diff --git a/ports/rp2/CMakeLists.txt b/ports/rp2/CMakeLists.txt
index c2f8088542..c87ccf0d65 100644
--- a/ports/rp2/CMakeLists.txt
+++ b/ports/rp2/CMakeLists.txt
@@ -79,6 +79,7 @@ set(MICROPY_SOURCE_LIB
 
 set(MICROPY_SOURCE_DRIVERS
     ${MICROPY_DIR}/drivers/bus/softspi.c
+    ${MICROPY_DIR}/drivers/dht/dht.c
 )
 
 set(MICROPY_SOURCE_PORT
diff --git a/ports/rp2/boards/manifest.py b/ports/rp2/boards/manifest.py
index a45bbe0661..b0e5e31554 100644
--- a/ports/rp2/boards/manifest.py
+++ b/ports/rp2/boards/manifest.py
@@ -1,4 +1,5 @@
 freeze("$(PORT_DIR)/modules")
 freeze("$(MPY_DIR)/drivers/onewire")
+freeze("$(MPY_DIR)/drivers/dht", "dht.py")
 include("$(MPY_DIR)/extmod/uasyncio/manifest.py")
 include("$(MPY_DIR)/drivers/neopixel/manifest.py")
diff --git a/ports/rp2/modrp2.c b/ports/rp2/modrp2.c
index 8009fa33f8..15c61911d3 100644
--- a/ports/rp2/modrp2.c
+++ b/ports/rp2/modrp2.c
@@ -25,6 +25,7 @@
  */
 
 #include "py/runtime.h"
+#include "drivers/dht/dht.h"
 #include "modrp2.h"
 
 STATIC const mp_rom_map_elem_t rp2_module_globals_table[] = {
@@ -32,6 +33,8 @@ STATIC const mp_rom_map_elem_t rp2_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_Flash),               MP_ROM_PTR(&rp2_flash_type) },
     { MP_ROM_QSTR(MP_QSTR_PIO),                 MP_ROM_PTR(&rp2_pio_type) },
     { MP_ROM_QSTR(MP_QSTR_StateMachine),        MP_ROM_PTR(&rp2_state_machine_type) },
+
+    { MP_ROM_QSTR(MP_QSTR_dht_readinto),        MP_ROM_PTR(&dht_readinto_obj) },
 };
 STATIC MP_DEFINE_CONST_DICT(rp2_module_globals, rp2_module_globals_table);