diff options
Diffstat (limited to 'os/hal/templates/hal_uart_lld.c')
| -rw-r--r-- | os/hal/templates/hal_uart_lld.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/os/hal/templates/hal_uart_lld.c b/os/hal/templates/hal_uart_lld.c new file mode 100644 index 000000000..d37d155be --- /dev/null +++ b/os/hal/templates/hal_uart_lld.c @@ -0,0 +1,191 @@ +/*
+ ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file uart_lld.c
+ * @brief PLATFORM UART subsystem low level driver source.
+ *
+ * @addtogroup UART
+ * @{
+ */
+
+#include "hal.h"
+
+#if (HAL_USE_UART == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief UART1 driver identifier.
+ */
+#if (PLATFORM_UART_USE_UART1 == TRUE) || defined(__DOXYGEN__)
+UARTDriver UARTD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level UART driver initialization.
+ *
+ * @notapi
+ */
+void uart_lld_init(void) {
+
+#if PLATFORM_UART_USE_UART1 == TRUE
+ /* Driver initialization.*/
+ uartObjectInit(&UARTD1);
+#endif
+}
+
+/**
+ * @brief Configures and activates the UART peripheral.
+ *
+ * @param[in] uartp pointer to the @p UARTDriver object
+ *
+ * @notapi
+ */
+void uart_lld_start(UARTDriver *uartp) {
+
+ if (uartp->state == UART_STOP) {
+ /* Enables the peripheral.*/
+#if PLATFORM_UART_USE_UART1 == TRUE
+ if (&UARTD1 == uartp) {
+
+ }
+#endif
+ }
+ /* Configures the peripheral.*/
+
+}
+
+/**
+ * @brief Deactivates the UART peripheral.
+ *
+ * @param[in] uartp pointer to the @p UARTDriver object
+ *
+ * @notapi
+ */
+void uart_lld_stop(UARTDriver *uartp) {
+
+ if (uartp->state == UART_READY) {
+ /* Resets the peripheral.*/
+
+ /* Disables the peripheral.*/
+#if PLATFORM_UART_USE_UART1 == TRUE
+ if (&UARTD1 == uartp) {
+
+ }
+#endif
+ }
+}
+
+/**
+ * @brief Starts a transmission on the UART peripheral.
+ * @note The buffers are organized as uint8_t arrays for data sizes below
+ * or equal to 8 bits else it is organized as uint16_t arrays.
+ *
+ * @param[in] uartp pointer to the @p UARTDriver object
+ * @param[in] n number of data frames to send
+ * @param[in] txbuf the pointer to the transmit buffer
+ *
+ * @notapi
+ */
+void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
+
+ (void)uartp;
+ (void)n;
+ (void)txbuf;
+
+}
+
+/**
+ * @brief Stops any ongoing transmission.
+ * @note Stopping a transmission also suppresses the transmission callbacks.
+ *
+ * @param[in] uartp pointer to the @p UARTDriver object
+ *
+ * @return The number of data frames not transmitted by the
+ * stopped transmit operation.
+ *
+ * @notapi
+ */
+size_t uart_lld_stop_send(UARTDriver *uartp) {
+
+ (void)uartp;
+
+ return 0;
+}
+
+/**
+ * @brief Starts a receive operation on the UART peripheral.
+ * @note The buffers are organized as uint8_t arrays for data sizes below
+ * or equal to 8 bits else it is organized as uint16_t arrays.
+ *
+ * @param[in] uartp pointer to the @p UARTDriver object
+ * @param[in] n number of data frames to send
+ * @param[out] rxbuf the pointer to the receive buffer
+ *
+ * @notapi
+ */
+void uart_lld_start_receive(UARTDriver *uartp, size_t n, void *rxbuf) {
+
+ (void)uartp;
+ (void)n;
+ (void)rxbuf;
+
+}
+
+/**
+ * @brief Stops any ongoing receive operation.
+ * @note Stopping a receive operation also suppresses the receive callbacks.
+ *
+ * @param[in] uartp pointer to the @p UARTDriver object
+ *
+ * @return The number of data frames not received by the
+ * stopped receive operation.
+ *
+ * @notapi
+ */
+size_t uart_lld_stop_receive(UARTDriver *uartp) {
+
+ (void)uartp;
+
+ return 0;
+}
+
+#endif /* HAL_USE_UART == TRUE */
+
+/** @} */
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