Move wirish/comm/*.cpp into wirish.

The wirish/comm/ directory is stupid.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>

1 files changed, 120 insertions, 0 deletions

diff --git a/wirish/HardwareSerial.cpp b/wirish/HardwareSerial.cpp
new file mode 100644
index 0000000..a9eb763
--- /dev/null
+++ b/wirish/HardwareSerial.cpp
@@ -0,0 +1,120 @@
+/******************************************************************************
+ * 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 Wirish serial port implementation.
+ */
+
+#include <wirish/HardwareSerial.h>
+
+#include <libmaple/libmaple.h>
+#include <libmaple/gpio.h>
+#include <libmaple/timer.h>
+
+#include <wirish/boards.h>
+
+#define TX1 BOARD_USART1_TX_PIN
+#define RX1 BOARD_USART1_RX_PIN
+#define TX2 BOARD_USART2_TX_PIN
+#define RX2 BOARD_USART2_RX_PIN
+#define TX3 BOARD_USART3_TX_PIN
+#define RX3 BOARD_USART3_RX_PIN
+#if defined STM32_HIGH_DENSITY && !defined(BOARD_maple_RET6)
+#define TX4 BOARD_UART4_TX_PIN
+#define RX4 BOARD_UART4_RX_PIN
+#define TX5 BOARD_UART5_TX_PIN
+#define RX5 BOARD_UART5_RX_PIN
+#endif
+
+HardwareSerial Serial1(USART1, TX1, RX1, STM32_PCLK2);
+HardwareSerial Serial2(USART2, TX2, RX2, STM32_PCLK1);
+HardwareSerial Serial3(USART3, TX3, RX3, STM32_PCLK1);
+#if defined(STM32_HIGH_DENSITY) && !defined(BOARD_maple_RET6)
+HardwareSerial Serial4(UART4,  TX4, RX4, STM32_PCLK1);
+HardwareSerial Serial5(UART5,  TX5, RX5, STM32_PCLK1);
+#endif
+
+HardwareSerial::HardwareSerial(usart_dev *usart_device,
+                               uint8 tx_pin,
+                               uint8 rx_pin,
+                               uint32 clock_speed) {
+    this->usart_device = usart_device;
+    this->clock_speed = clock_speed;
+    this->tx_pin = tx_pin;
+    this->rx_pin = rx_pin;
+}
+
+/*
+ * Set up/tear down
+ */
+
+void HardwareSerial::begin(uint32 baud) {
+    ASSERT(baud <= usart_device->max_baud);
+
+    if (baud > usart_device->max_baud) {
+        return;
+    }
+
+    const stm32_pin_info *txi = &PIN_MAP[tx_pin];
+    const stm32_pin_info *rxi = &PIN_MAP[rx_pin];
+
+    gpio_set_mode(txi->gpio_device, txi->gpio_bit, GPIO_AF_OUTPUT_PP);
+    gpio_set_mode(rxi->gpio_device, rxi->gpio_bit, GPIO_INPUT_FLOATING);
+
+    if (txi->timer_device != NULL) {
+        /* Turn off any PWM if there's a conflict on this GPIO bit. */
+        timer_set_mode(txi->timer_device, txi->timer_channel, TIMER_DISABLED);
+    }
+
+    usart_init(usart_device);
+    usart_set_baud_rate(usart_device, clock_speed, baud);
+    usart_enable(usart_device);
+}
+
+void HardwareSerial::end(void) {
+    usart_disable(usart_device);
+}
+
+/*
+ * I/O
+ */
+
+uint8 HardwareSerial::read(void) {
+    return usart_getc(usart_device);
+}
+
+uint32 HardwareSerial::available(void) {
+    return usart_data_available(usart_device);
+}
+
+void HardwareSerial::write(unsigned char ch) {
+    usart_putc(usart_device, ch);
+}
+
+void HardwareSerial::flush(void) {
+    usart_reset_rx(usart_device);
+}