Add basic UART/USART driver for stm32f769

 * Currently only probably capable of init and output by polling

1 files changed, 37 insertions, 0 deletions

diff --git a/os/drivers/uart/uart.h b/os/drivers/uart/uart.h
new file mode 100644
index 00000000..afde5315
--- /dev/null
+++ b/os/drivers/uart/uart.h
@@ -0,0 +1,37 @@
+#ifndef __UART_H__
+#define __UART_H__
+
+enum uart_config_parity {
+	UART_CFG_PARITY_NONE,   /**< No parity */
+	UART_CFG_PARITY_ODD,    /**< Odd parity */
+	UART_CFG_PARITY_EVEN,   /**< Even parity */
+	UART_CFG_PARITY_MARK,   /**< Mark parity */
+	UART_CFG_PARITY_SPACE,  /**< Space parity */
+};
+
+/** @brief Number of stop bits. */
+enum uart_config_stop_bits {
+	UART_CFG_STOP_BITS_0_5,  /**< 0.5 stop bit */
+	UART_CFG_STOP_BITS_1,    /**< 1 stop bit */
+	UART_CFG_STOP_BITS_1_5,  /**< 1.5 stop bits */
+	UART_CFG_STOP_BITS_2,    /**< 2 stop bits */
+};
+
+/** @brief Number of data bits. */
+enum uart_config_data_bits {
+	UART_CFG_DATA_BITS_5,    /**< 5 data bits */
+	UART_CFG_DATA_BITS_6,    /**< 6 data bits */
+	UART_CFG_DATA_BITS_7,    /**< 7 data bits */
+	UART_CFG_DATA_BITS_8,    /**< 8 data bits */
+	UART_CFG_DATA_BITS_9,    /**< 9 data bits */
+};
+
+struct uart_data {
+  struct device *dev;
+  int baudrate;
+  enum uart_config_parity parity;
+  enum uart_config_stop_bits stop_bits;
+  enum uart_config_data_bits data_bits;
+};
+
+#endif/*__UART_H__*/