feat(Ubiquitous/RT_Thread): port micropython on RT-Thread for aiit-board

2022-03-10 16:22:44 +08:00
parent 73d10380ea
commit f83f073fa0
434 changed files with 94105 additions and 111 deletions
@@ -0,0 +1,107 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Armink (armink.ztl@gmail.com)
+ *
+ * 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 <stdio.h>
+#include <stdint.h>
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <rthw.h>
+#include "lib/utils/interrupt_char.h"
+#include "mpgetcharport.h"
+
+#define UART_FIFO_SIZE 256
+
+static struct rt_ringbuffer *rx_fifo = NULL;
+static rt_err_t (*odev_rx_ind)(rt_device_t dev, rt_size_t size) = NULL;
+
+static rt_err_t getchar_rx_ind(rt_device_t dev, rt_size_t size) {
+    uint8_t ch;
+    rt_size_t i;
+    rt_base_t int_lvl;
+
+    for (i = 0; i < size; i++) {
+        /* read a char */
+        if (rt_device_read(dev, 0, &ch, 1)) {
+            if (ch == mp_interrupt_char) {
+                mp_keyboard_interrupt();
+            } else {
+                int_lvl = rt_hw_interrupt_disable();
+                rt_ringbuffer_put_force(rx_fifo, &ch, 1);
+                rt_hw_interrupt_enable(int_lvl);
+            }
+        }
+    }
+    return RT_EOK;
+}
+
+void mp_getchar_init(void) {
+    rt_base_t int_lvl;
+    rt_device_t console;
+
+    /* create RX FIFO */
+    rx_fifo = rt_ringbuffer_create(UART_FIFO_SIZE);
+    /* created must success */
+    RT_ASSERT(rx_fifo);
+
+    int_lvl = rt_hw_interrupt_disable();
+    console = rt_console_get_device();
+    if (console) {
+        /* backup RX indicate */
+        odev_rx_ind = console->rx_indicate;
+        rt_device_set_rx_indicate(console, getchar_rx_ind);
+    }
+    rt_hw_interrupt_enable(int_lvl);
+
+}
+
+void mp_getchar_deinit(void) {
+    rt_base_t int_lvl;
+    rt_device_t console;
+
+    rt_ringbuffer_destroy(rx_fifo);
+
+    int_lvl = rt_hw_interrupt_disable();
+    console = rt_console_get_device();
+    if (console && odev_rx_ind) {
+        /* restore RX indicate */
+        rt_device_set_rx_indicate(console, odev_rx_ind);
+    }
+    rt_hw_interrupt_enable(int_lvl);
+}
+
+int mp_getchar(void) {
+    uint8_t ch;
+    rt_base_t int_lvl;
+
+    int_lvl = rt_hw_interrupt_disable();
+    if (!rt_ringbuffer_getchar(rx_fifo, &ch)) {
+        ch = 0xFF;
+    }
+    rt_hw_interrupt_enable(int_lvl);
+
+    return ch;
+
+}