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targets/hal/TARGET_STM/TARGET_STM32F4/serial_api.c@444:d916d321e60f, 2015-01-08 (annotated)

Committer:
mbed_official
Date:
Thu Jan 08 12:00:08 2015 +0000
Revision:
444:d916d321e60f
Child:
481:9f3d4ee935ce
Synchronized with git revision 2acefb66eb35837a685ce640b2b15e068d4ccf5b



Full URL: https://github.com/mbedmicro/mbed/commit/2acefb66eb35837a685ce640b2b15e068d4ccf5b/



NUCLEO_F334R8 - Fix issue with multiple ADC initialization

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 444:d916d321e60f 1 /* mbed Microcontroller Library
mbed_official 444:d916d321e60f 2 *******************************************************************************
mbed_official 444:d916d321e60f 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 444:d916d321e60f 4 * All rights reserved.
mbed_official 444:d916d321e60f 5 *
mbed_official 444:d916d321e60f 6 * Redistribution and use in source and binary forms, with or without
mbed_official 444:d916d321e60f 7 * modification, are permitted provided that the following conditions are met:
mbed_official 444:d916d321e60f 8 *
mbed_official 444:d916d321e60f 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 444:d916d321e60f 10 * this list of conditions and the following disclaimer.
mbed_official 444:d916d321e60f 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 444:d916d321e60f 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 444:d916d321e60f 13 * and/or other materials provided with the distribution.
mbed_official 444:d916d321e60f 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 444:d916d321e60f 15 * may be used to endorse or promote products derived from this software
mbed_official 444:d916d321e60f 16 * without specific prior written permission.
mbed_official 444:d916d321e60f 17 *
mbed_official 444:d916d321e60f 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 444:d916d321e60f 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 444:d916d321e60f 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 444:d916d321e60f 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 444:d916d321e60f 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 444:d916d321e60f 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 444:d916d321e60f 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 444:d916d321e60f 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 444:d916d321e60f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 444:d916d321e60f 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 444:d916d321e60f 28 *******************************************************************************
mbed_official 444:d916d321e60f 29 */
mbed_official 444:d916d321e60f 30 #include "mbed_assert.h"
mbed_official 444:d916d321e60f 31 #include "serial_api.h"
mbed_official 444:d916d321e60f 32
mbed_official 444:d916d321e60f 33 #if DEVICE_SERIAL
mbed_official 444:d916d321e60f 34
mbed_official 444:d916d321e60f 35 #include "cmsis.h"
mbed_official 444:d916d321e60f 36 #include "pinmap.h"
mbed_official 444:d916d321e60f 37 #include <string.h>
mbed_official 444:d916d321e60f 38 #include "PeripheralPins.h"
mbed_official 444:d916d321e60f 39
mbed_official 444:d916d321e60f 40 #define UART_NUM (6)
mbed_official 444:d916d321e60f 41
mbed_official 444:d916d321e60f 42 static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0, 0, 0};
mbed_official 444:d916d321e60f 43
mbed_official 444:d916d321e60f 44 static uart_irq_handler irq_handler;
mbed_official 444:d916d321e60f 45
mbed_official 444:d916d321e60f 46 UART_HandleTypeDef UartHandle;
mbed_official 444:d916d321e60f 47
mbed_official 444:d916d321e60f 48 int stdio_uart_inited = 0;
mbed_official 444:d916d321e60f 49 serial_t stdio_uart;
mbed_official 444:d916d321e60f 50
mbed_official 444:d916d321e60f 51 static void init_uart(serial_t *obj)
mbed_official 444:d916d321e60f 52 {
mbed_official 444:d916d321e60f 53 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 54
mbed_official 444:d916d321e60f 55 UartHandle.Init.BaudRate = obj->baudrate;
mbed_official 444:d916d321e60f 56 UartHandle.Init.WordLength = obj->databits;
mbed_official 444:d916d321e60f 57 UartHandle.Init.StopBits = obj->stopbits;
mbed_official 444:d916d321e60f 58 UartHandle.Init.Parity = obj->parity;
mbed_official 444:d916d321e60f 59 UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
mbed_official 444:d916d321e60f 60
mbed_official 444:d916d321e60f 61 if (obj->pin_rx == NC) {
mbed_official 444:d916d321e60f 62 UartHandle.Init.Mode = UART_MODE_TX;
mbed_official 444:d916d321e60f 63 } else if (obj->pin_tx == NC) {
mbed_official 444:d916d321e60f 64 UartHandle.Init.Mode = UART_MODE_RX;
mbed_official 444:d916d321e60f 65 } else {
mbed_official 444:d916d321e60f 66 UartHandle.Init.Mode = UART_MODE_TX_RX;
mbed_official 444:d916d321e60f 67 }
mbed_official 444:d916d321e60f 68
mbed_official 444:d916d321e60f 69 HAL_UART_Init(&UartHandle);
mbed_official 444:d916d321e60f 70 }
mbed_official 444:d916d321e60f 71
mbed_official 444:d916d321e60f 72 void serial_init(serial_t *obj, PinName tx, PinName rx)
mbed_official 444:d916d321e60f 73 {
mbed_official 444:d916d321e60f 74 // Determine the UART to use (UART_1, UART_2, ...)
mbed_official 444:d916d321e60f 75 UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
mbed_official 444:d916d321e60f 76 UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
mbed_official 444:d916d321e60f 77
mbed_official 444:d916d321e60f 78 // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
mbed_official 444:d916d321e60f 79 obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
mbed_official 444:d916d321e60f 80 MBED_ASSERT(obj->uart != (UARTName)NC);
mbed_official 444:d916d321e60f 81
mbed_official 444:d916d321e60f 82 // Enable USART clock
mbed_official 444:d916d321e60f 83 switch (obj->uart) {
mbed_official 444:d916d321e60f 84 case UART_1:
mbed_official 444:d916d321e60f 85 __USART1_CLK_ENABLE();
mbed_official 444:d916d321e60f 86 obj->index = 0;
mbed_official 444:d916d321e60f 87 break;
mbed_official 444:d916d321e60f 88 case UART_2:
mbed_official 444:d916d321e60f 89 __USART2_CLK_ENABLE();
mbed_official 444:d916d321e60f 90 obj->index = 1;
mbed_official 444:d916d321e60f 91 break;
mbed_official 444:d916d321e60f 92 #if defined(USART3_BASE)
mbed_official 444:d916d321e60f 93 case UART_3:
mbed_official 444:d916d321e60f 94 __USART3_CLK_ENABLE();
mbed_official 444:d916d321e60f 95 obj->index = 2;
mbed_official 444:d916d321e60f 96 break;
mbed_official 444:d916d321e60f 97 #endif
mbed_official 444:d916d321e60f 98 #if defined(UART4_BASE)
mbed_official 444:d916d321e60f 99 case UART_4:
mbed_official 444:d916d321e60f 100 __UART4_CLK_ENABLE();
mbed_official 444:d916d321e60f 101 obj->index = 3;
mbed_official 444:d916d321e60f 102 break;
mbed_official 444:d916d321e60f 103 #endif
mbed_official 444:d916d321e60f 104 #if defined(UART5_BASE)
mbed_official 444:d916d321e60f 105 case UART_5:
mbed_official 444:d916d321e60f 106 __UART5_CLK_ENABLE();
mbed_official 444:d916d321e60f 107 obj->index = 4;
mbed_official 444:d916d321e60f 108 break;
mbed_official 444:d916d321e60f 109 #endif
mbed_official 444:d916d321e60f 110 case UART_6:
mbed_official 444:d916d321e60f 111 __USART6_CLK_ENABLE();
mbed_official 444:d916d321e60f 112 obj->index = 5;
mbed_official 444:d916d321e60f 113 break;
mbed_official 444:d916d321e60f 114 }
mbed_official 444:d916d321e60f 115
mbed_official 444:d916d321e60f 116 // Configure the UART pins
mbed_official 444:d916d321e60f 117 pinmap_pinout(tx, PinMap_UART_TX);
mbed_official 444:d916d321e60f 118 pinmap_pinout(rx, PinMap_UART_RX);
mbed_official 444:d916d321e60f 119 if (tx != NC) {
mbed_official 444:d916d321e60f 120 pin_mode(tx, PullUp);
mbed_official 444:d916d321e60f 121 }
mbed_official 444:d916d321e60f 122 if (rx != NC) {
mbed_official 444:d916d321e60f 123 pin_mode(rx, PullUp);
mbed_official 444:d916d321e60f 124 }
mbed_official 444:d916d321e60f 125
mbed_official 444:d916d321e60f 126 // Configure UART
mbed_official 444:d916d321e60f 127 obj->baudrate = 9600;
mbed_official 444:d916d321e60f 128 obj->databits = UART_WORDLENGTH_8B;
mbed_official 444:d916d321e60f 129 obj->stopbits = UART_STOPBITS_1;
mbed_official 444:d916d321e60f 130 obj->parity = UART_PARITY_NONE;
mbed_official 444:d916d321e60f 131
mbed_official 444:d916d321e60f 132 obj->pin_tx = tx;
mbed_official 444:d916d321e60f 133 obj->pin_rx = rx;
mbed_official 444:d916d321e60f 134
mbed_official 444:d916d321e60f 135 init_uart(obj);
mbed_official 444:d916d321e60f 136
mbed_official 444:d916d321e60f 137 // For stdio management
mbed_official 444:d916d321e60f 138 if (obj->uart == STDIO_UART) {
mbed_official 444:d916d321e60f 139 stdio_uart_inited = 1;
mbed_official 444:d916d321e60f 140 memcpy(&stdio_uart, obj, sizeof(serial_t));
mbed_official 444:d916d321e60f 141 }
mbed_official 444:d916d321e60f 142 }
mbed_official 444:d916d321e60f 143
mbed_official 444:d916d321e60f 144 void serial_free(serial_t *obj)
mbed_official 444:d916d321e60f 145 {
mbed_official 444:d916d321e60f 146 // Reset UART and disable clock
mbed_official 444:d916d321e60f 147 switch (obj->uart) {
mbed_official 444:d916d321e60f 148 case UART_1:
mbed_official 444:d916d321e60f 149 __USART1_FORCE_RESET();
mbed_official 444:d916d321e60f 150 __USART1_RELEASE_RESET();
mbed_official 444:d916d321e60f 151 __USART1_CLK_DISABLE();
mbed_official 444:d916d321e60f 152 break;
mbed_official 444:d916d321e60f 153 case UART_2:
mbed_official 444:d916d321e60f 154 __USART2_FORCE_RESET();
mbed_official 444:d916d321e60f 155 __USART2_RELEASE_RESET();
mbed_official 444:d916d321e60f 156 __USART2_CLK_DISABLE();
mbed_official 444:d916d321e60f 157 break;
mbed_official 444:d916d321e60f 158 #if defined(USART3_BASE)
mbed_official 444:d916d321e60f 159 case UART_3:
mbed_official 444:d916d321e60f 160 __USART3_FORCE_RESET();
mbed_official 444:d916d321e60f 161 __USART3_RELEASE_RESET();
mbed_official 444:d916d321e60f 162 __USART3_CLK_DISABLE();
mbed_official 444:d916d321e60f 163 break;
mbed_official 444:d916d321e60f 164 #endif
mbed_official 444:d916d321e60f 165 #if defined(UART4_BASE)
mbed_official 444:d916d321e60f 166 case UART_4:
mbed_official 444:d916d321e60f 167 __UART4_FORCE_RESET();
mbed_official 444:d916d321e60f 168 __UART4_RELEASE_RESET();
mbed_official 444:d916d321e60f 169 __UART4_CLK_DISABLE();
mbed_official 444:d916d321e60f 170 break;
mbed_official 444:d916d321e60f 171 #endif
mbed_official 444:d916d321e60f 172 #if defined(UART5_BASE)
mbed_official 444:d916d321e60f 173 case UART_5:
mbed_official 444:d916d321e60f 174 __UART5_FORCE_RESET();
mbed_official 444:d916d321e60f 175 __UART5_RELEASE_RESET();
mbed_official 444:d916d321e60f 176 __UART5_CLK_DISABLE();
mbed_official 444:d916d321e60f 177 break;
mbed_official 444:d916d321e60f 178 #endif
mbed_official 444:d916d321e60f 179 case UART_6:
mbed_official 444:d916d321e60f 180 __USART6_FORCE_RESET();
mbed_official 444:d916d321e60f 181 __USART6_RELEASE_RESET();
mbed_official 444:d916d321e60f 182 __USART6_CLK_DISABLE();
mbed_official 444:d916d321e60f 183 break;
mbed_official 444:d916d321e60f 184 }
mbed_official 444:d916d321e60f 185 // Configure GPIOs
mbed_official 444:d916d321e60f 186 pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 444:d916d321e60f 187 pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 444:d916d321e60f 188
mbed_official 444:d916d321e60f 189 serial_irq_ids[obj->index] = 0;
mbed_official 444:d916d321e60f 190 }
mbed_official 444:d916d321e60f 191
mbed_official 444:d916d321e60f 192 void serial_baud(serial_t *obj, int baudrate)
mbed_official 444:d916d321e60f 193 {
mbed_official 444:d916d321e60f 194 obj->baudrate = baudrate;
mbed_official 444:d916d321e60f 195 init_uart(obj);
mbed_official 444:d916d321e60f 196 }
mbed_official 444:d916d321e60f 197
mbed_official 444:d916d321e60f 198 void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
mbed_official 444:d916d321e60f 199 {
mbed_official 444:d916d321e60f 200 if (data_bits == 9) {
mbed_official 444:d916d321e60f 201 obj->databits = UART_WORDLENGTH_9B;
mbed_official 444:d916d321e60f 202 } else {
mbed_official 444:d916d321e60f 203 obj->databits = UART_WORDLENGTH_8B;
mbed_official 444:d916d321e60f 204 }
mbed_official 444:d916d321e60f 205
mbed_official 444:d916d321e60f 206 switch (parity) {
mbed_official 444:d916d321e60f 207 case ParityOdd:
mbed_official 444:d916d321e60f 208 case ParityForced0:
mbed_official 444:d916d321e60f 209 obj->parity = UART_PARITY_ODD;
mbed_official 444:d916d321e60f 210 break;
mbed_official 444:d916d321e60f 211 case ParityEven:
mbed_official 444:d916d321e60f 212 case ParityForced1:
mbed_official 444:d916d321e60f 213 obj->parity = UART_PARITY_EVEN;
mbed_official 444:d916d321e60f 214 break;
mbed_official 444:d916d321e60f 215 default: // ParityNone
mbed_official 444:d916d321e60f 216 obj->parity = UART_PARITY_NONE;
mbed_official 444:d916d321e60f 217 break;
mbed_official 444:d916d321e60f 218 }
mbed_official 444:d916d321e60f 219
mbed_official 444:d916d321e60f 220 if (stop_bits == 2) {
mbed_official 444:d916d321e60f 221 obj->stopbits = UART_STOPBITS_2;
mbed_official 444:d916d321e60f 222 } else {
mbed_official 444:d916d321e60f 223 obj->stopbits = UART_STOPBITS_1;
mbed_official 444:d916d321e60f 224 }
mbed_official 444:d916d321e60f 225
mbed_official 444:d916d321e60f 226 init_uart(obj);
mbed_official 444:d916d321e60f 227 }
mbed_official 444:d916d321e60f 228
mbed_official 444:d916d321e60f 229 /******************************************************************************
mbed_official 444:d916d321e60f 230 * INTERRUPTS HANDLING
mbed_official 444:d916d321e60f 231 ******************************************************************************/
mbed_official 444:d916d321e60f 232
mbed_official 444:d916d321e60f 233 static void uart_irq(UARTName name, int id)
mbed_official 444:d916d321e60f 234 {
mbed_official 444:d916d321e60f 235 UartHandle.Instance = (USART_TypeDef *)name;
mbed_official 444:d916d321e60f 236 if (serial_irq_ids[id] != 0) {
mbed_official 444:d916d321e60f 237 if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
mbed_official 444:d916d321e60f 238 irq_handler(serial_irq_ids[id], TxIrq);
mbed_official 444:d916d321e60f 239 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_TC);
mbed_official 444:d916d321e60f 240 }
mbed_official 444:d916d321e60f 241 if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) {
mbed_official 444:d916d321e60f 242 irq_handler(serial_irq_ids[id], RxIrq);
mbed_official 444:d916d321e60f 243 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE);
mbed_official 444:d916d321e60f 244 }
mbed_official 444:d916d321e60f 245 }
mbed_official 444:d916d321e60f 246 }
mbed_official 444:d916d321e60f 247
mbed_official 444:d916d321e60f 248 static void uart1_irq(void)
mbed_official 444:d916d321e60f 249 {
mbed_official 444:d916d321e60f 250 uart_irq(UART_1, 0);
mbed_official 444:d916d321e60f 251 }
mbed_official 444:d916d321e60f 252
mbed_official 444:d916d321e60f 253 static void uart2_irq(void)
mbed_official 444:d916d321e60f 254 {
mbed_official 444:d916d321e60f 255 uart_irq(UART_2, 1);
mbed_official 444:d916d321e60f 256 }
mbed_official 444:d916d321e60f 257
mbed_official 444:d916d321e60f 258 #if defined(USART3_BASE)
mbed_official 444:d916d321e60f 259 static void uart3_irq(void)
mbed_official 444:d916d321e60f 260 {
mbed_official 444:d916d321e60f 261 uart_irq(UART_3, 2);
mbed_official 444:d916d321e60f 262 }
mbed_official 444:d916d321e60f 263 #endif
mbed_official 444:d916d321e60f 264
mbed_official 444:d916d321e60f 265 #if defined(UART4_BASE)
mbed_official 444:d916d321e60f 266 static void uart4_irq(void)
mbed_official 444:d916d321e60f 267 {
mbed_official 444:d916d321e60f 268 uart_irq(UART_4, 3);
mbed_official 444:d916d321e60f 269 }
mbed_official 444:d916d321e60f 270 #endif
mbed_official 444:d916d321e60f 271
mbed_official 444:d916d321e60f 272 #if defined(UART5_BASE)
mbed_official 444:d916d321e60f 273 static void uart5_irq(void)
mbed_official 444:d916d321e60f 274 {
mbed_official 444:d916d321e60f 275 uart_irq(UART_5, 4);
mbed_official 444:d916d321e60f 276 }
mbed_official 444:d916d321e60f 277 #endif
mbed_official 444:d916d321e60f 278
mbed_official 444:d916d321e60f 279 static void uart6_irq(void)
mbed_official 444:d916d321e60f 280 {
mbed_official 444:d916d321e60f 281 uart_irq(UART_6, 5);
mbed_official 444:d916d321e60f 282 }
mbed_official 444:d916d321e60f 283
mbed_official 444:d916d321e60f 284 void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
mbed_official 444:d916d321e60f 285 {
mbed_official 444:d916d321e60f 286 irq_handler = handler;
mbed_official 444:d916d321e60f 287 serial_irq_ids[obj->index] = id;
mbed_official 444:d916d321e60f 288 }
mbed_official 444:d916d321e60f 289
mbed_official 444:d916d321e60f 290 void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
mbed_official 444:d916d321e60f 291 {
mbed_official 444:d916d321e60f 292 IRQn_Type irq_n = (IRQn_Type)0;
mbed_official 444:d916d321e60f 293 uint32_t vector = 0;
mbed_official 444:d916d321e60f 294
mbed_official 444:d916d321e60f 295 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 296
mbed_official 444:d916d321e60f 297 switch (obj->uart) {
mbed_official 444:d916d321e60f 298 case UART_1:
mbed_official 444:d916d321e60f 299 irq_n = USART1_IRQn;
mbed_official 444:d916d321e60f 300 vector = (uint32_t)&uart1_irq;
mbed_official 444:d916d321e60f 301 break;
mbed_official 444:d916d321e60f 302
mbed_official 444:d916d321e60f 303 case UART_2:
mbed_official 444:d916d321e60f 304 irq_n = USART2_IRQn;
mbed_official 444:d916d321e60f 305 vector = (uint32_t)&uart2_irq;
mbed_official 444:d916d321e60f 306 break;
mbed_official 444:d916d321e60f 307 #if defined(USART3_BASE)
mbed_official 444:d916d321e60f 308 case UART_3:
mbed_official 444:d916d321e60f 309 irq_n = USART3_IRQn;
mbed_official 444:d916d321e60f 310 vector = (uint32_t)&uart3_irq;
mbed_official 444:d916d321e60f 311 break;
mbed_official 444:d916d321e60f 312 #endif
mbed_official 444:d916d321e60f 313 #if defined(UART4_BASE)
mbed_official 444:d916d321e60f 314 case UART_4:
mbed_official 444:d916d321e60f 315 irq_n = UART4_IRQn;
mbed_official 444:d916d321e60f 316 vector = (uint32_t)&uart4_irq;
mbed_official 444:d916d321e60f 317 break;
mbed_official 444:d916d321e60f 318 #endif
mbed_official 444:d916d321e60f 319 #if defined(UART5_BASE)
mbed_official 444:d916d321e60f 320 case UART_5:
mbed_official 444:d916d321e60f 321 irq_n = UART5_IRQn;
mbed_official 444:d916d321e60f 322 vector = (uint32_t)&uart5_irq;
mbed_official 444:d916d321e60f 323 break;
mbed_official 444:d916d321e60f 324 #endif
mbed_official 444:d916d321e60f 325 case UART_6:
mbed_official 444:d916d321e60f 326 irq_n = USART6_IRQn;
mbed_official 444:d916d321e60f 327 vector = (uint32_t)&uart6_irq;
mbed_official 444:d916d321e60f 328 break;
mbed_official 444:d916d321e60f 329 }
mbed_official 444:d916d321e60f 330
mbed_official 444:d916d321e60f 331 if (enable) {
mbed_official 444:d916d321e60f 332
mbed_official 444:d916d321e60f 333 if (irq == RxIrq) {
mbed_official 444:d916d321e60f 334 __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE);
mbed_official 444:d916d321e60f 335 } else { // TxIrq
mbed_official 444:d916d321e60f 336 __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC);
mbed_official 444:d916d321e60f 337 }
mbed_official 444:d916d321e60f 338
mbed_official 444:d916d321e60f 339 NVIC_SetVector(irq_n, vector);
mbed_official 444:d916d321e60f 340 NVIC_EnableIRQ(irq_n);
mbed_official 444:d916d321e60f 341
mbed_official 444:d916d321e60f 342 } else { // disable
mbed_official 444:d916d321e60f 343
mbed_official 444:d916d321e60f 344 int all_disabled = 0;
mbed_official 444:d916d321e60f 345
mbed_official 444:d916d321e60f 346 if (irq == RxIrq) {
mbed_official 444:d916d321e60f 347 __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE);
mbed_official 444:d916d321e60f 348 // Check if TxIrq is disabled too
mbed_official 444:d916d321e60f 349 if ((UartHandle.Instance->CR1 & USART_CR1_TXEIE) == 0) all_disabled = 1;
mbed_official 444:d916d321e60f 350 } else { // TxIrq
mbed_official 444:d916d321e60f 351 __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TXE);
mbed_official 444:d916d321e60f 352 // Check if RxIrq is disabled too
mbed_official 444:d916d321e60f 353 if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1;
mbed_official 444:d916d321e60f 354 }
mbed_official 444:d916d321e60f 355
mbed_official 444:d916d321e60f 356 if (all_disabled) NVIC_DisableIRQ(irq_n);
mbed_official 444:d916d321e60f 357
mbed_official 444:d916d321e60f 358 }
mbed_official 444:d916d321e60f 359 }
mbed_official 444:d916d321e60f 360
mbed_official 444:d916d321e60f 361 /******************************************************************************
mbed_official 444:d916d321e60f 362 * READ/WRITE
mbed_official 444:d916d321e60f 363 ******************************************************************************/
mbed_official 444:d916d321e60f 364
mbed_official 444:d916d321e60f 365 int serial_getc(serial_t *obj)
mbed_official 444:d916d321e60f 366 {
mbed_official 444:d916d321e60f 367 USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 368 while (!serial_readable(obj));
mbed_official 444:d916d321e60f 369 return (int)(uart->DR & 0x1FF);
mbed_official 444:d916d321e60f 370 }
mbed_official 444:d916d321e60f 371
mbed_official 444:d916d321e60f 372 void serial_putc(serial_t *obj, int c)
mbed_official 444:d916d321e60f 373 {
mbed_official 444:d916d321e60f 374 USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 375 while (!serial_writable(obj));
mbed_official 444:d916d321e60f 376 uart->DR = (uint32_t)(c & 0x1FF);
mbed_official 444:d916d321e60f 377 }
mbed_official 444:d916d321e60f 378
mbed_official 444:d916d321e60f 379 int serial_readable(serial_t *obj)
mbed_official 444:d916d321e60f 380 {
mbed_official 444:d916d321e60f 381 int status;
mbed_official 444:d916d321e60f 382 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 383 // Check if data is received
mbed_official 444:d916d321e60f 384 status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0);
mbed_official 444:d916d321e60f 385 return status;
mbed_official 444:d916d321e60f 386 }
mbed_official 444:d916d321e60f 387
mbed_official 444:d916d321e60f 388 int serial_writable(serial_t *obj)
mbed_official 444:d916d321e60f 389 {
mbed_official 444:d916d321e60f 390 int status;
mbed_official 444:d916d321e60f 391 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 392 // Check if data is transmitted
mbed_official 444:d916d321e60f 393 status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0);
mbed_official 444:d916d321e60f 394 return status;
mbed_official 444:d916d321e60f 395 }
mbed_official 444:d916d321e60f 396
mbed_official 444:d916d321e60f 397 void serial_clear(serial_t *obj)
mbed_official 444:d916d321e60f 398 {
mbed_official 444:d916d321e60f 399 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 400 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_TXE);
mbed_official 444:d916d321e60f 401 __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE);
mbed_official 444:d916d321e60f 402 }
mbed_official 444:d916d321e60f 403
mbed_official 444:d916d321e60f 404 void serial_pinout_tx(PinName tx)
mbed_official 444:d916d321e60f 405 {
mbed_official 444:d916d321e60f 406 pinmap_pinout(tx, PinMap_UART_TX);
mbed_official 444:d916d321e60f 407 }
mbed_official 444:d916d321e60f 408
mbed_official 444:d916d321e60f 409 void serial_break_set(serial_t *obj)
mbed_official 444:d916d321e60f 410 {
mbed_official 444:d916d321e60f 411 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 444:d916d321e60f 412 HAL_LIN_SendBreak(&UartHandle);
mbed_official 444:d916d321e60f 413 }
mbed_official 444:d916d321e60f 414
mbed_official 444:d916d321e60f 415 void serial_break_clear(serial_t *obj)
mbed_official 444:d916d321e60f 416 {
mbed_official 444:d916d321e60f 417 }
mbed_official 444:d916d321e60f 418
mbed_official 444:d916d321e60f 419 #endif