summaryrefslogtreecommitdiff
path: root/ports/nrf/common-hal/microcontroller/Pin.c
diff options
context:
space:
mode:
authorKevin Townsend <contact@microbuilder.eu>2017-11-23 09:22:11 +0100
committerKevin Townsend <contact@microbuilder.eu>2017-11-23 09:22:11 +0100
commit92113dde815ce5aaecf63ea9e87bc4addcabd822 (patch)
treed3813ad609755744b1223c0207e6d4a85f6864fc /ports/nrf/common-hal/microcontroller/Pin.c
parenta38d8948b3b22a7b3f84284f765578a8edeab3f5 (diff)
Supervisor REPL support for ports/nrf/boards/feather52
Diffstat (limited to 'ports/nrf/common-hal/microcontroller/Pin.c')
-rw-r--r--ports/nrf/common-hal/microcontroller/Pin.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/ports/nrf/common-hal/microcontroller/Pin.c b/ports/nrf/common-hal/microcontroller/Pin.c
new file mode 100644
index 000000000..ee07ff09a
--- /dev/null
+++ b/ports/nrf/common-hal/microcontroller/Pin.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
+ *
+ * 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 "common-hal/microcontroller/Pin.h"
+#include "shared-bindings/microcontroller/Pin.h"
+
+#include "py/mphal.h"
+
+#if 0
+
+extern volatile bool adc_in_use;
+
+bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t* pin) {
+ if (pin == &pin_TOUT) {
+ return !adc_in_use;
+ }
+ if (pin->gpio_number == NO_GPIO || pin->gpio_number == SPECIAL_CASE) {
+ return false;
+ }
+ return (READ_PERI_REG(pin->peripheral) &
+ (PERIPHS_IO_MUX_FUNC<<PERIPHS_IO_MUX_FUNC_S)) == 0 &&
+ (GPIO_REG_READ(GPIO_ENABLE_ADDRESS) & (1 << pin->gpio_number)) == 0 &&
+ (READ_PERI_REG(pin->peripheral) & PERIPHS_IO_MUX_PULLUP) == 0;
+}
+
+void reset_pins(void) {
+ for (int i = 0; i < 17; i++) {
+ // 5 is RXD, 6 is TXD
+ if ((i > 4 && i < 13) || i == 12) {
+ continue;
+ }
+ uint32_t peripheral = PERIPHS_IO_MUX + i * 4;
+ PIN_FUNC_SELECT(peripheral, 0);
+ PIN_PULLUP_DIS(peripheral);
+ // Disable the pin.
+ gpio_output_set(0x0, 0x0, 0x0, 1 << i);
+ }
+}
+#endif
+
+bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t* pin) {
+ return true;
+}
+
+void reset_all_pins(void) {
+}
+
+void reset_pin(uint8_t pin) {
+
+}
+
+