Add dummy UART implementation to nrf so it builds with UART turned on. Also add OneWire.

4 files changed, 177 insertions, 3 deletions

diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile
index c1bef4672..7ed14aa47 100644
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@@ -202,6 +202,7 @@ SRC_COMMON_HAL += \
 	busio/__init__.c\
 	busio/I2C.c \
 	busio/SPI.c \
+	busio/UART.c \
 	pulseio/__init__.c \
 	pulseio/PulseIn.c \
 	pulseio/PulseOut.c \
@@ -211,6 +212,7 @@ SRC_COMMON_HAL += \
 # These don't have corresponding files in each port but are still located in
 # shared-bindings to make it clear what the contents of the modules are.
 SRC_BINDINGS_ENUMS = \
+	busio/OneWire.c \
 	digitalio/Direction.c \
 	digitalio/DriveMode.c \
 	digitalio/Pull.c \
@@ -234,10 +236,10 @@ SRC_SHARED_MODULE = \
 	bitbangio/__init__.c \
 	bitbangio/I2C.c \
 	bitbangio/OneWire.c \
-	bitbangio/SPI.c
+	bitbangio/SPI.c \
+	busio/OneWire.c \
 
-#  busio/OneWire.c \
-	uheap/__init__.c \
+#	uheap/__init__.c \
 	ustack/__init__.c
 
 SRC_SHARED_BINDINGS = \
diff --git a/ports/nrf/common-hal/busio/OneWire.h b/ports/nrf/common-hal/busio/OneWire.h
new file mode 100644
index 000000000..821cc64c1
--- /dev/null
+++ b/ports/nrf/common-hal/busio/OneWire.h
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Scott Shawcroft
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_NRF_COMMON_HAL_BUSIO_ONEWIRE_H
+#define MICROPY_INCLUDED_NRF_COMMON_HAL_BUSIO_ONEWIRE_H
+
+// Use bitbangio.
+#include "shared-module/busio/OneWire.h"
+
+#endif // MICROPY_INCLUDED_NRF_COMMON_HAL_BUSIO_ONEWIRE_H
diff --git a/ports/nrf/common-hal/busio/UART.c b/ports/nrf/common-hal/busio/UART.c
new file mode 100644
index 000000000..dbc6a8533
--- /dev/null
+++ b/ports/nrf/common-hal/busio/UART.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/microcontroller/__init__.h"
+#include "shared-bindings/busio/UART.h"
+
+#include "mpconfigport.h"
+#include "py/gc.h"
+#include "py/mperrno.h"
+#include "py/runtime.h"
+#include "py/stream.h"
+
+#include "tick.h"
+
+#include "pins.h"
+
+void common_hal_busio_uart_construct(busio_uart_obj_t *self,
+        const mcu_pin_obj_t * tx, const mcu_pin_obj_t * rx, uint32_t baudrate,
+        uint8_t bits, uart_parity_t parity, uint8_t stop, uint32_t timeout,
+        uint8_t receiver_buffer_size) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+}
+
+bool common_hal_busio_uart_deinited(busio_uart_obj_t *self) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+}
+
+void common_hal_busio_uart_deinit(busio_uart_obj_t *self) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    if (common_hal_busio_uart_deinited(self)) {
+        return;
+    }
+    // Do deinit;
+}
+
+// Read characters.
+size_t common_hal_busio_uart_read(busio_uart_obj_t *self, uint8_t *data, size_t len, int *errcode) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    return 0;
+}
+
+// Write characters.
+size_t common_hal_busio_uart_write(busio_uart_obj_t *self, const uint8_t *data, size_t len, int *errcode) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    return 0;
+}
+
+uint32_t common_hal_busio_uart_get_baudrate(busio_uart_obj_t *self) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    return self->baudrate;
+}
+
+void common_hal_busio_uart_set_baudrate(busio_uart_obj_t *self, uint32_t baudrate) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    self->baudrate = baudrate;
+}
+
+uint32_t common_hal_busio_uart_rx_characters_available(busio_uart_obj_t *self) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    return 0;
+}
+
+bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self) {
+    mp_raise_NotImplementedError("busio.UART not yet implemented");
+    return false;
+}
diff --git a/ports/nrf/common-hal/busio/UART.h b/ports/nrf/common-hal/busio/UART.h
new file mode 100644
index 000000000..7c0493e37
--- /dev/null
+++ b/ports/nrf/common-hal/busio/UART.h
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Scott Shawcroft
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_NRF_COMMON_HAL_BUSIO_UART_H
+#define MICROPY_INCLUDED_NRF_COMMON_HAL_BUSIO_UART_H
+
+#include "common-hal/microcontroller/Pin.h"
+
+#include "py/obj.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    uint8_t rx_pin;
+    uint8_t tx_pin;
+    uint8_t character_bits;
+    bool rx_error;
+    uint32_t baudrate;
+    uint32_t timeout_ms;
+    // Index of the oldest received character.
+    uint32_t buffer_start;
+    // Index of the next available spot to store a character.
+    uint32_t buffer_size;
+    uint32_t buffer_length;
+    uint8_t* buffer;
+} busio_uart_obj_t;
+
+#endif // MICROPY_INCLUDED_NRF_COMMON_HAL_BUSIO_UART_H