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mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F411RE/serial_api.c@268:402bcc0c870b, 2014-07-29 (annotated)

Committer:
mbed_official
Date:
Tue Jul 29 19:00:07 2014 +0100
Revision:
268:402bcc0c870b
Parent:
235:685d5f11838f
Child:
339:40bd4701f3e2
Synchronized with git revision 490d1a6606b3138f165c5edf2f2370ca616587c0



Full URL: https://github.com/mbedmicro/mbed/commit/490d1a6606b3138f165c5edf2f2370ca616587c0/



[LPC1114] Sleep fix + some device.h settings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 235:685d5f11838f 1 /* mbed Microcontroller Library
mbed_official 235:685d5f11838f 2 *******************************************************************************
mbed_official 235:685d5f11838f 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 235:685d5f11838f 4 * All rights reserved.
mbed_official 235:685d5f11838f 5 *
mbed_official 235:685d5f11838f 6 * Redistribution and use in source and binary forms, with or without
mbed_official 235:685d5f11838f 7 * modification, are permitted provided that the following conditions are met:
mbed_official 235:685d5f11838f 8 *
mbed_official 235:685d5f11838f 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 235:685d5f11838f 10 * this list of conditions and the following disclaimer.
mbed_official 235:685d5f11838f 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 235:685d5f11838f 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 235:685d5f11838f 13 * and/or other materials provided with the distribution.
mbed_official 235:685d5f11838f 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 235:685d5f11838f 15 * may be used to endorse or promote products derived from this software
mbed_official 235:685d5f11838f 16 * without specific prior written permission.
mbed_official 235:685d5f11838f 17 *
mbed_official 235:685d5f11838f 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 235:685d5f11838f 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 235:685d5f11838f 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 235:685d5f11838f 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 235:685d5f11838f 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 235:685d5f11838f 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 235:685d5f11838f 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 235:685d5f11838f 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 235:685d5f11838f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 235:685d5f11838f 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 235:685d5f11838f 28 *******************************************************************************
mbed_official 235:685d5f11838f 29 */
mbed_official 235:685d5f11838f 30 #include "mbed_assert.h"
mbed_official 235:685d5f11838f 31 #include "serial_api.h"
mbed_official 235:685d5f11838f 32
mbed_official 235:685d5f11838f 33 #if DEVICE_SERIAL
mbed_official 235:685d5f11838f 34
mbed_official 235:685d5f11838f 35 #include "cmsis.h"
mbed_official 235:685d5f11838f 36 #include "pinmap.h"
mbed_official 235:685d5f11838f 37 #include <string.h>
mbed_official 235:685d5f11838f 38
mbed_official 235:685d5f11838f 39 static const PinMap PinMap_UART_TX[] = {
mbed_official 235:685d5f11838f 40 {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
mbed_official 235:685d5f11838f 41 {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
mbed_official 235:685d5f11838f 42 {PA_11, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
mbed_official 235:685d5f11838f 43 {PA_15, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
mbed_official 235:685d5f11838f 44 {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
mbed_official 235:685d5f11838f 45 {PC_6, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
mbed_official 235:685d5f11838f 46 {NC, NC, 0}
mbed_official 235:685d5f11838f 47 };
mbed_official 235:685d5f11838f 48
mbed_official 235:685d5f11838f 49 static const PinMap PinMap_UART_RX[] = {
mbed_official 235:685d5f11838f 50 {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
mbed_official 235:685d5f11838f 51 {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
mbed_official 235:685d5f11838f 52 {PA_12, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
mbed_official 235:685d5f11838f 53 {PB_3, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
mbed_official 235:685d5f11838f 54 {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
mbed_official 235:685d5f11838f 55 {PC_7, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
mbed_official 235:685d5f11838f 56 {NC, NC, 0}
mbed_official 235:685d5f11838f 57 };
mbed_official 235:685d5f11838f 58
mbed_official 235:685d5f11838f 59 #define UART_NUM (3)
mbed_official 235:685d5f11838f 60
mbed_official 235:685d5f11838f 61 static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0};
mbed_official 235:685d5f11838f 62
mbed_official 235:685d5f11838f 63 static uart_irq_handler irq_handler;
mbed_official 235:685d5f11838f 64
mbed_official 235:685d5f11838f 65 UART_HandleTypeDef UartHandle;
mbed_official 235:685d5f11838f 66
mbed_official 235:685d5f11838f 67 int stdio_uart_inited = 0;
mbed_official 235:685d5f11838f 68 serial_t stdio_uart;
mbed_official 235:685d5f11838f 69
mbed_official 235:685d5f11838f 70 static void init_uart(serial_t *obj)
mbed_official 235:685d5f11838f 71 {
mbed_official 235:685d5f11838f 72 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 73
mbed_official 235:685d5f11838f 74 UartHandle.Init.BaudRate = obj->baudrate;
mbed_official 235:685d5f11838f 75 UartHandle.Init.WordLength = obj->databits;
mbed_official 235:685d5f11838f 76 UartHandle.Init.StopBits = obj->stopbits;
mbed_official 235:685d5f11838f 77 UartHandle.Init.Parity = obj->parity;
mbed_official 235:685d5f11838f 78 UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
mbed_official 235:685d5f11838f 79
mbed_official 235:685d5f11838f 80 if (obj->pin_rx == NC) {
mbed_official 235:685d5f11838f 81 UartHandle.Init.Mode = UART_MODE_TX;
mbed_official 235:685d5f11838f 82 } else if (obj->pin_tx == NC) {
mbed_official 235:685d5f11838f 83 UartHandle.Init.Mode = UART_MODE_RX;
mbed_official 235:685d5f11838f 84 } else {
mbed_official 235:685d5f11838f 85 UartHandle.Init.Mode = UART_MODE_TX_RX;
mbed_official 235:685d5f11838f 86 }
mbed_official 235:685d5f11838f 87
mbed_official 235:685d5f11838f 88 HAL_UART_Init(&UartHandle);
mbed_official 235:685d5f11838f 89 }
mbed_official 235:685d5f11838f 90
mbed_official 235:685d5f11838f 91 void serial_init(serial_t *obj, PinName tx, PinName rx)
mbed_official 235:685d5f11838f 92 {
mbed_official 235:685d5f11838f 93 // Determine the UART to use (UART_1, UART_2, ...)
mbed_official 235:685d5f11838f 94 UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
mbed_official 235:685d5f11838f 95 UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
mbed_official 235:685d5f11838f 96
mbed_official 235:685d5f11838f 97 // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
mbed_official 235:685d5f11838f 98 obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
mbed_official 235:685d5f11838f 99 MBED_ASSERT(obj->uart != (UARTName)NC);
mbed_official 235:685d5f11838f 100
mbed_official 235:685d5f11838f 101 // Enable USART clock
mbed_official 235:685d5f11838f 102 if (obj->uart == UART_1) {
mbed_official 235:685d5f11838f 103 __USART1_CLK_ENABLE();
mbed_official 235:685d5f11838f 104 obj->index = 0;
mbed_official 235:685d5f11838f 105 }
mbed_official 235:685d5f11838f 106 if (obj->uart == UART_2) {
mbed_official 235:685d5f11838f 107 __USART2_CLK_ENABLE();
mbed_official 235:685d5f11838f 108 obj->index = 1;
mbed_official 235:685d5f11838f 109 }
mbed_official 235:685d5f11838f 110 if (obj->uart == UART_6) {
mbed_official 235:685d5f11838f 111 __USART6_CLK_ENABLE();
mbed_official 235:685d5f11838f 112 obj->index = 2;
mbed_official 235:685d5f11838f 113 }
mbed_official 235:685d5f11838f 114
mbed_official 235:685d5f11838f 115 // Configure the UART pins
mbed_official 235:685d5f11838f 116 pinmap_pinout(tx, PinMap_UART_TX);
mbed_official 235:685d5f11838f 117 pinmap_pinout(rx, PinMap_UART_RX);
mbed_official 235:685d5f11838f 118 pin_mode(tx, PullUp);
mbed_official 235:685d5f11838f 119 pin_mode(rx, PullUp);
mbed_official 235:685d5f11838f 120
mbed_official 235:685d5f11838f 121 // Configure UART
mbed_official 235:685d5f11838f 122 obj->baudrate = 9600;
mbed_official 235:685d5f11838f 123 obj->databits = UART_WORDLENGTH_8B;
mbed_official 235:685d5f11838f 124 obj->stopbits = UART_STOPBITS_1;
mbed_official 235:685d5f11838f 125 obj->parity = UART_PARITY_NONE;
mbed_official 235:685d5f11838f 126
mbed_official 235:685d5f11838f 127 obj->pin_tx = tx;
mbed_official 235:685d5f11838f 128 obj->pin_rx = rx;
mbed_official 235:685d5f11838f 129
mbed_official 235:685d5f11838f 130 init_uart(obj);
mbed_official 235:685d5f11838f 131
mbed_official 235:685d5f11838f 132 // For stdio management
mbed_official 235:685d5f11838f 133 if (obj->uart == STDIO_UART) {
mbed_official 235:685d5f11838f 134 stdio_uart_inited = 1;
mbed_official 235:685d5f11838f 135 memcpy(&stdio_uart, obj, sizeof(serial_t));
mbed_official 235:685d5f11838f 136 }
mbed_official 235:685d5f11838f 137 }
mbed_official 235:685d5f11838f 138
mbed_official 235:685d5f11838f 139 void serial_free(serial_t *obj)
mbed_official 235:685d5f11838f 140 {
mbed_official 235:685d5f11838f 141 // Reset UART and disable clock
mbed_official 235:685d5f11838f 142 if (obj->uart == UART_1) {
mbed_official 235:685d5f11838f 143 __USART1_FORCE_RESET();
mbed_official 235:685d5f11838f 144 __USART1_RELEASE_RESET();
mbed_official 235:685d5f11838f 145 __USART1_CLK_DISABLE();
mbed_official 235:685d5f11838f 146 }
mbed_official 235:685d5f11838f 147 if (obj->uart == UART_2) {
mbed_official 235:685d5f11838f 148 __USART2_FORCE_RESET();
mbed_official 235:685d5f11838f 149 __USART2_RELEASE_RESET();
mbed_official 235:685d5f11838f 150 __USART2_CLK_DISABLE();
mbed_official 235:685d5f11838f 151 }
mbed_official 235:685d5f11838f 152 if (obj->uart == UART_6) {
mbed_official 235:685d5f11838f 153 __USART6_FORCE_RESET();
mbed_official 235:685d5f11838f 154 __USART6_RELEASE_RESET();
mbed_official 235:685d5f11838f 155 __USART6_CLK_DISABLE();
mbed_official 235:685d5f11838f 156 }
mbed_official 235:685d5f11838f 157
mbed_official 235:685d5f11838f 158 // Configure GPIOs
mbed_official 235:685d5f11838f 159 pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 235:685d5f11838f 160 pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 235:685d5f11838f 161
mbed_official 235:685d5f11838f 162 serial_irq_ids[obj->index] = 0;
mbed_official 235:685d5f11838f 163 }
mbed_official 235:685d5f11838f 164
mbed_official 235:685d5f11838f 165 void serial_baud(serial_t *obj, int baudrate)
mbed_official 235:685d5f11838f 166 {
mbed_official 235:685d5f11838f 167 obj->baudrate = baudrate;
mbed_official 235:685d5f11838f 168 init_uart(obj);
mbed_official 235:685d5f11838f 169 }
mbed_official 235:685d5f11838f 170
mbed_official 235:685d5f11838f 171 void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
mbed_official 235:685d5f11838f 172 {
mbed_official 235:685d5f11838f 173 if (data_bits == 9) {
mbed_official 235:685d5f11838f 174 obj->databits = UART_WORDLENGTH_9B;
mbed_official 235:685d5f11838f 175 } else {
mbed_official 235:685d5f11838f 176 obj->databits = UART_WORDLENGTH_8B;
mbed_official 235:685d5f11838f 177 }
mbed_official 235:685d5f11838f 178
mbed_official 235:685d5f11838f 179 switch (parity) {
mbed_official 235:685d5f11838f 180 case ParityOdd:
mbed_official 235:685d5f11838f 181 case ParityForced0:
mbed_official 235:685d5f11838f 182 obj->parity = UART_PARITY_ODD;
mbed_official 235:685d5f11838f 183 break;
mbed_official 235:685d5f11838f 184 case ParityEven:
mbed_official 235:685d5f11838f 185 case ParityForced1:
mbed_official 235:685d5f11838f 186 obj->parity = UART_PARITY_EVEN;
mbed_official 235:685d5f11838f 187 break;
mbed_official 235:685d5f11838f 188 default: // ParityNone
mbed_official 235:685d5f11838f 189 obj->parity = UART_PARITY_NONE;
mbed_official 235:685d5f11838f 190 break;
mbed_official 235:685d5f11838f 191 }
mbed_official 235:685d5f11838f 192
mbed_official 235:685d5f11838f 193 if (stop_bits == 2) {
mbed_official 235:685d5f11838f 194 obj->stopbits = UART_STOPBITS_2;
mbed_official 235:685d5f11838f 195 } else {
mbed_official 235:685d5f11838f 196 obj->stopbits = UART_STOPBITS_1;
mbed_official 235:685d5f11838f 197 }
mbed_official 235:685d5f11838f 198
mbed_official 235:685d5f11838f 199 init_uart(obj);
mbed_official 235:685d5f11838f 200 }
mbed_official 235:685d5f11838f 201
mbed_official 235:685d5f11838f 202 /******************************************************************************
mbed_official 235:685d5f11838f 203 * INTERRUPTS HANDLING
mbed_official 235:685d5f11838f 204 ******************************************************************************/
mbed_official 235:685d5f11838f 205
mbed_official 235:685d5f11838f 206 static void uart_irq(UARTName name, int id)
mbed_official 235:685d5f11838f 207 {
mbed_official 235:685d5f11838f 208 UartHandle.Instance = (USART_TypeDef *)name;
mbed_official 235:685d5f11838f 209 if (serial_irq_ids[id] != 0) {
mbed_official 235:685d5f11838f 210 if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
mbed_official 235:685d5f11838f 211 irq_handler(serial_irq_ids[id], TxIrq);
mbed_official 235:685d5f11838f 212 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_TC);
mbed_official 235:685d5f11838f 213 }
mbed_official 235:685d5f11838f 214 if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) {
mbed_official 235:685d5f11838f 215 irq_handler(serial_irq_ids[id], RxIrq);
mbed_official 235:685d5f11838f 216 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE);
mbed_official 235:685d5f11838f 217 }
mbed_official 235:685d5f11838f 218 }
mbed_official 235:685d5f11838f 219 }
mbed_official 235:685d5f11838f 220
mbed_official 235:685d5f11838f 221 static void uart1_irq(void)
mbed_official 235:685d5f11838f 222 {
mbed_official 235:685d5f11838f 223 uart_irq(UART_1, 0);
mbed_official 235:685d5f11838f 224 }
mbed_official 235:685d5f11838f 225
mbed_official 235:685d5f11838f 226 static void uart2_irq(void)
mbed_official 235:685d5f11838f 227 {
mbed_official 235:685d5f11838f 228 uart_irq(UART_2, 1);
mbed_official 235:685d5f11838f 229 }
mbed_official 235:685d5f11838f 230
mbed_official 235:685d5f11838f 231 static void uart6_irq(void)
mbed_official 235:685d5f11838f 232 {
mbed_official 235:685d5f11838f 233 uart_irq(UART_6, 2);
mbed_official 235:685d5f11838f 234 }
mbed_official 235:685d5f11838f 235
mbed_official 235:685d5f11838f 236 void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
mbed_official 235:685d5f11838f 237 {
mbed_official 235:685d5f11838f 238 irq_handler = handler;
mbed_official 235:685d5f11838f 239 serial_irq_ids[obj->index] = id;
mbed_official 235:685d5f11838f 240 }
mbed_official 235:685d5f11838f 241
mbed_official 235:685d5f11838f 242 void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
mbed_official 235:685d5f11838f 243 {
mbed_official 235:685d5f11838f 244 IRQn_Type irq_n = (IRQn_Type)0;
mbed_official 235:685d5f11838f 245 uint32_t vector = 0;
mbed_official 235:685d5f11838f 246
mbed_official 235:685d5f11838f 247 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 248
mbed_official 235:685d5f11838f 249 if (obj->uart == UART_1) {
mbed_official 235:685d5f11838f 250 irq_n = USART1_IRQn;
mbed_official 235:685d5f11838f 251 vector = (uint32_t)&uart1_irq;
mbed_official 235:685d5f11838f 252 }
mbed_official 235:685d5f11838f 253
mbed_official 235:685d5f11838f 254 if (obj->uart == UART_2) {
mbed_official 235:685d5f11838f 255 irq_n = USART2_IRQn;
mbed_official 235:685d5f11838f 256 vector = (uint32_t)&uart2_irq;
mbed_official 235:685d5f11838f 257 }
mbed_official 235:685d5f11838f 258
mbed_official 235:685d5f11838f 259 if (obj->uart == UART_6) {
mbed_official 235:685d5f11838f 260 irq_n = USART6_IRQn;
mbed_official 235:685d5f11838f 261 vector = (uint32_t)&uart6_irq;
mbed_official 235:685d5f11838f 262 }
mbed_official 235:685d5f11838f 263
mbed_official 235:685d5f11838f 264 if (enable) {
mbed_official 235:685d5f11838f 265
mbed_official 235:685d5f11838f 266 if (irq == RxIrq) {
mbed_official 235:685d5f11838f 267 __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE);
mbed_official 235:685d5f11838f 268 } else { // TxIrq
mbed_official 235:685d5f11838f 269 __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC);
mbed_official 235:685d5f11838f 270 }
mbed_official 235:685d5f11838f 271
mbed_official 235:685d5f11838f 272 NVIC_SetVector(irq_n, vector);
mbed_official 235:685d5f11838f 273 NVIC_EnableIRQ(irq_n);
mbed_official 235:685d5f11838f 274
mbed_official 235:685d5f11838f 275 } else { // disable
mbed_official 235:685d5f11838f 276
mbed_official 235:685d5f11838f 277 int all_disabled = 0;
mbed_official 235:685d5f11838f 278
mbed_official 235:685d5f11838f 279 if (irq == RxIrq) {
mbed_official 235:685d5f11838f 280 __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE);
mbed_official 235:685d5f11838f 281 // Check if TxIrq is disabled too
mbed_official 235:685d5f11838f 282 if ((UartHandle.Instance->CR1 & USART_CR1_TXEIE) == 0) all_disabled = 1;
mbed_official 235:685d5f11838f 283 } else { // TxIrq
mbed_official 235:685d5f11838f 284 __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TXE);
mbed_official 235:685d5f11838f 285 // Check if RxIrq is disabled too
mbed_official 235:685d5f11838f 286 if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1;
mbed_official 235:685d5f11838f 287 }
mbed_official 235:685d5f11838f 288
mbed_official 235:685d5f11838f 289 if (all_disabled) NVIC_DisableIRQ(irq_n);
mbed_official 235:685d5f11838f 290
mbed_official 235:685d5f11838f 291 }
mbed_official 235:685d5f11838f 292 }
mbed_official 235:685d5f11838f 293
mbed_official 235:685d5f11838f 294 /******************************************************************************
mbed_official 235:685d5f11838f 295 * READ/WRITE
mbed_official 235:685d5f11838f 296 ******************************************************************************/
mbed_official 235:685d5f11838f 297
mbed_official 235:685d5f11838f 298 int serial_getc(serial_t *obj)
mbed_official 235:685d5f11838f 299 {
mbed_official 235:685d5f11838f 300 USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 301 while (!serial_readable(obj));
mbed_official 235:685d5f11838f 302 return (int)(uart->DR & 0x1FF);
mbed_official 235:685d5f11838f 303 }
mbed_official 235:685d5f11838f 304
mbed_official 235:685d5f11838f 305 void serial_putc(serial_t *obj, int c)
mbed_official 235:685d5f11838f 306 {
mbed_official 235:685d5f11838f 307 USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 308 while (!serial_writable(obj));
mbed_official 235:685d5f11838f 309 uart->DR = (uint32_t)(c & 0x1FF);
mbed_official 235:685d5f11838f 310 }
mbed_official 235:685d5f11838f 311
mbed_official 235:685d5f11838f 312 int serial_readable(serial_t *obj)
mbed_official 235:685d5f11838f 313 {
mbed_official 235:685d5f11838f 314 int status;
mbed_official 235:685d5f11838f 315 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 316 // Check if data is received
mbed_official 235:685d5f11838f 317 status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0);
mbed_official 235:685d5f11838f 318 return status;
mbed_official 235:685d5f11838f 319 }
mbed_official 235:685d5f11838f 320
mbed_official 235:685d5f11838f 321 int serial_writable(serial_t *obj)
mbed_official 235:685d5f11838f 322 {
mbed_official 235:685d5f11838f 323 int status;
mbed_official 235:685d5f11838f 324 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 325 // Check if data is transmitted
mbed_official 235:685d5f11838f 326 status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0);
mbed_official 235:685d5f11838f 327 return status;
mbed_official 235:685d5f11838f 328 }
mbed_official 235:685d5f11838f 329
mbed_official 235:685d5f11838f 330 void serial_clear(serial_t *obj)
mbed_official 235:685d5f11838f 331 {
mbed_official 235:685d5f11838f 332 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 333 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_TXE);
mbed_official 235:685d5f11838f 334 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE);
mbed_official 235:685d5f11838f 335 }
mbed_official 235:685d5f11838f 336
mbed_official 235:685d5f11838f 337 void serial_pinout_tx(PinName tx)
mbed_official 235:685d5f11838f 338 {
mbed_official 235:685d5f11838f 339 pinmap_pinout(tx, PinMap_UART_TX);
mbed_official 235:685d5f11838f 340 }
mbed_official 235:685d5f11838f 341
mbed_official 235:685d5f11838f 342 void serial_break_set(serial_t *obj)
mbed_official 235:685d5f11838f 343 {
mbed_official 235:685d5f11838f 344 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 235:685d5f11838f 345 HAL_LIN_SendBreak(&UartHandle);
mbed_official 235:685d5f11838f 346 }
mbed_official 235:685d5f11838f 347
mbed_official 235:685d5f11838f 348 void serial_break_clear(serial_t *obj)
mbed_official 235:685d5f11838f 349 {
mbed_official 235:685d5f11838f 350 }
mbed_official 235:685d5f11838f 351
mbed_official 235:685d5f11838f 352 #endif