esp8266: New port of Micro Python to ESP8266 wifi module.

1 files changed, 92 insertions, 0 deletions

diff --git a/esp8266/esp_mphal.c b/esp8266/esp_mphal.c
new file mode 100644
index 0000000000..821866f689
--- /dev/null
+++ b/esp8266/esp_mphal.c
@@ -0,0 +1,92 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014 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 <stdio.h>
+#include "ets_sys.h"
+#include "etshal.h"
+#include "uart.h"
+#include "esp_mphal.h"
+
+extern void ets_wdt_disable(void);
+extern void wdt_feed(void);
+extern void ets_delay_us();
+
+void mp_hal_init(void) {
+    ets_wdt_disable(); // it's a pain while developing
+    uart_init(UART_BIT_RATE_115200, UART_BIT_RATE_115200);
+}
+
+void mp_hal_feed_watchdog(void) {
+    //ets_wdt_disable(); // it's a pain while developing
+    //WRITE_PERI_REG(0x60000914, 0x73);
+    //wdt_feed(); // might also work
+}
+
+void mp_hal_udelay(uint32_t us) {
+    ets_delay_us(us);
+}
+
+int mp_hal_uart0_rx_chr(void) {
+    return uart0_rx();
+}
+
+void mp_hal_uart0_write_str(const char *str) {
+    while (*str) {
+        uart_tx_one_char(UART0, *str++);
+    }
+}
+
+void mp_hal_uart0_write_strn(const char *str, uint32_t len) {
+    while (len--) {
+        uart_tx_one_char(UART0, *str++);
+    }
+}
+
+void mp_hal_uart0_write_strn_cooked(const char *str, uint32_t len) {
+    while (len--) {
+        if (*str == '\n') {
+            uart_tx_one_char(UART0, '\r');
+        }
+        uart_tx_one_char(UART0, *str++);
+    }
+}
+
+uint32_t HAL_GetTick(void) {
+    // TODO
+    return 0;
+}
+
+void HAL_Delay(uint32_t Delay) {
+    mp_hal_udelay(Delay * 1000);
+}
+
+void mp_hal_set_interrupt_char(int c) {
+    // TODO
+}
+
+uint32_t mp_hal_get_cpu_freq(void) {
+    return ets_get_cpu_frequency();
+}