ChibiOS 2.6.8, until I can figure out where to get it from git.

2026-09-12 17:49:31 +00:00 · 2015-07-08 08:40:23 -07:00
parent dc6fee8370
commit e1eea8e08a
1929 changed files with 575326 additions and 0 deletions
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+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 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    templates/uart_lld.c
+ * @brief   UART Driver subsystem low level driver source template.
+ *
+ * @addtogroup UART
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_UART || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   UART1 driver identifier.
+ */
+#if PLATFORM_UART_USE_UART1 || 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
+  /* Driver initialization.*/
+  uartObjectInit(&UARTD1);
+#endif /* PLATFORM_UART_USE_UART1 */
+}
+
+/**
+ * @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
+    if (&UARTD1 == uartp) {
+
+    }
+#endif /* PLATFORM_UART_USE_UART1 */
+  }
+  /* 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
+    if (&UARTD1 == uartp) {
+
+    }
+#endif /* PLATFORM_UART_USE_UART1 */
+  }
+}
+
+/**
+ * @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 */
+
+/** @} */