1 files changed, 102 insertions, 0 deletions
diff --git a/wirish/comm/HardwareSerial.cpp b/wirish/comm/HardwareSerial.cpp
new file mode 100644
index 0000000..3e855ea
--- /dev/null
+++ b/wirish/comm/HardwareSerial.cpp
@@ -0,0 +1,102 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * 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.
+ * ****************************************************************************/
+
+/**
+ *  @file HardwareSerial.cpp
+ *
+ *  @brief Wiring-like serial api
+ */
+
+#include "wirish.h"
+#include "HardwareSerial.h"
+#include "usart.h"
+#include "gpio.h"
+#include "timers.h"
+
+#define USART1_TX_PORT             GPIOA_BASE
+#define USART1_TX_PIN              9
+#define USART1_RX_PORT             GPIOA_BASE
+#define USART1_RX_PIN              10
+
+#define USART2_TX_PORT             GPIOA_BASE
+#define USART2_TX_PIN              2
+#define USART2_RX_PORT             GPIOA_BASE
+#define USART2_RX_PIN              3
+
+#define USART3_TX_PORT             GPIOB_BASE
+#define USART3_TX_PIN              10
+#define USART3_RX_PORT             GPIOB_BASE
+#define USART3_RX_PIN              11
+
+HardwareSerial::HardwareSerial(uint8 usartNum) {
+    ASSERT(usartNum == 1 ||
+           usartNum == 2 ||
+           usartNum == 3);
+    this->usartNum = usartNum;
+}
+
+uint8 HardwareSerial::read(void) {
+    return usart_getc(usartNum);
+}
+
+uint32 HardwareSerial::available(void) {
+
+    return usart_data_available(usartNum);
+}
+
+void HardwareSerial::write(unsigned char ch) {
+    usart_putc(usartNum, ch);
+}
+
+void HardwareSerial::begin(uint32 baud) {
+    ASSERT(!(baud > USART_MAX_BAUD));
+
+    /* Set appropriate pin modes  */
+    switch (usartNum) {
+    case 1:
+        gpio_set_mode(USART1_TX_PORT, USART1_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
+        gpio_set_mode(USART1_RX_PORT, USART1_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+        /* Turn off any pwm  */
+        timers_disable_channel(1, 2);
+        break;
+    case 2:
+        gpio_set_mode(USART2_TX_PORT, USART2_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
+        gpio_set_mode(USART2_RX_PORT, USART2_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+        /* Turn off any pwm  */
+        timers_disable_channel(2, 3);
+        break;
+    case 3:
+        gpio_set_mode(USART3_TX_PORT, USART3_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
+        gpio_set_mode(USART3_RX_PORT, USART3_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+        break;
+    default:
+        ASSERT(0);
+    }
+
+    usart_init(usartNum, baud);
+}
+
+HardwareSerial Serial1(1);
+HardwareSerial Serial2(2);
+HardwareSerial Serial3(3);