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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_L053R8/serial_api.c@393:17d2d502961d, 2014-11-07 (annotated)

Committer:
mbed_official
Date:
Fri Nov 07 12:00:11 2014 +0000
Revision:
393:17d2d502961d
Parent:
339:40bd4701f3e2
Child:
402:09075a3b15e3
Synchronized with git revision 78a3d4f2301aad7367e924e8231b4411d11038ea



Full URL: https://github.com/mbedmicro/mbed/commit/78a3d4f2301aad7367e924e8231b4411d11038ea/



Toolchain: NUCLEO_F0 - Add missing files for IAR exporter

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 181:a4cbdfbbd2f4 1 /* mbed Microcontroller Library
mbed_official 181:a4cbdfbbd2f4 2 *******************************************************************************
mbed_official 181:a4cbdfbbd2f4 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 181:a4cbdfbbd2f4 4 * All rights reserved.
mbed_official 181:a4cbdfbbd2f4 5 *
mbed_official 181:a4cbdfbbd2f4 6 * Redistribution and use in source and binary forms, with or without
mbed_official 181:a4cbdfbbd2f4 7 * modification, are permitted provided that the following conditions are met:
mbed_official 181:a4cbdfbbd2f4 8 *
mbed_official 181:a4cbdfbbd2f4 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 10 * this list of conditions and the following disclaimer.
mbed_official 181:a4cbdfbbd2f4 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 181:a4cbdfbbd2f4 13 * and/or other materials provided with the distribution.
mbed_official 181:a4cbdfbbd2f4 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 181:a4cbdfbbd2f4 15 * may be used to endorse or promote products derived from this software
mbed_official 181:a4cbdfbbd2f4 16 * without specific prior written permission.
mbed_official 181:a4cbdfbbd2f4 17 *
mbed_official 181:a4cbdfbbd2f4 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 181:a4cbdfbbd2f4 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 181:a4cbdfbbd2f4 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 181:a4cbdfbbd2f4 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 181:a4cbdfbbd2f4 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 181:a4cbdfbbd2f4 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 181:a4cbdfbbd2f4 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 181:a4cbdfbbd2f4 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 181:a4cbdfbbd2f4 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 181:a4cbdfbbd2f4 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 181:a4cbdfbbd2f4 28 *******************************************************************************
mbed_official 181:a4cbdfbbd2f4 29 */
mbed_official 227:7bd0639b8911 30 #include "mbed_assert.h"
mbed_official 181:a4cbdfbbd2f4 31 #include "serial_api.h"
mbed_official 181:a4cbdfbbd2f4 32
mbed_official 181:a4cbdfbbd2f4 33 #if DEVICE_SERIAL
mbed_official 181:a4cbdfbbd2f4 34
mbed_official 181:a4cbdfbbd2f4 35 #include "cmsis.h"
mbed_official 181:a4cbdfbbd2f4 36 #include "pinmap.h"
mbed_official 181:a4cbdfbbd2f4 37 #include <string.h>
mbed_official 181:a4cbdfbbd2f4 38
mbed_official 181:a4cbdfbbd2f4 39 static const PinMap PinMap_UART_TX[] = {
mbed_official 181:a4cbdfbbd2f4 40 {PA_2, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
mbed_official 181:a4cbdfbbd2f4 41 {PA_9, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
mbed_official 181:a4cbdfbbd2f4 42 {PA_14, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)}, // Warning: this pin is used by SWCLK
mbed_official 181:a4cbdfbbd2f4 43 {PB_6, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
mbed_official 181:a4cbdfbbd2f4 44 {PB_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
mbed_official 181:a4cbdfbbd2f4 45 {PC_4, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
mbed_official 181:a4cbdfbbd2f4 46 {PC_10, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
mbed_official 181:a4cbdfbbd2f4 47 {NC, NC, 0}
mbed_official 181:a4cbdfbbd2f4 48 };
mbed_official 181:a4cbdfbbd2f4 49
mbed_official 181:a4cbdfbbd2f4 50 static const PinMap PinMap_UART_RX[] = {
mbed_official 181:a4cbdfbbd2f4 51 {PA_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
mbed_official 181:a4cbdfbbd2f4 52 {PA_10, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART1)},
mbed_official 181:a4cbdfbbd2f4 53 {PA_15, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_USART2)},
mbed_official 181:a4cbdfbbd2f4 54 {PB_7, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
mbed_official 181:a4cbdfbbd2f4 55 {PB_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_LPUART1)},
mbed_official 181:a4cbdfbbd2f4 56 {PC_5, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_LPUART1)},
mbed_official 181:a4cbdfbbd2f4 57 {PC_11, LPUART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_LPUART1)},
mbed_official 181:a4cbdfbbd2f4 58 {NC, NC, 0}
mbed_official 181:a4cbdfbbd2f4 59 };
mbed_official 181:a4cbdfbbd2f4 60
mbed_official 181:a4cbdfbbd2f4 61 #define UART_NUM (3)
mbed_official 181:a4cbdfbbd2f4 62
mbed_official 181:a4cbdfbbd2f4 63 static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0};
mbed_official 181:a4cbdfbbd2f4 64
mbed_official 181:a4cbdfbbd2f4 65 static uart_irq_handler irq_handler;
mbed_official 181:a4cbdfbbd2f4 66
mbed_official 181:a4cbdfbbd2f4 67 UART_HandleTypeDef UartHandle;
mbed_official 181:a4cbdfbbd2f4 68
mbed_official 181:a4cbdfbbd2f4 69 int stdio_uart_inited = 0;
mbed_official 181:a4cbdfbbd2f4 70 serial_t stdio_uart;
mbed_official 181:a4cbdfbbd2f4 71
mbed_official 181:a4cbdfbbd2f4 72 static void init_uart(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 73 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 74
mbed_official 201:fa203361dc70 75 // [TODO] Workaround to be removed after HAL driver is corrected
mbed_official 201:fa203361dc70 76 if (obj->uart == LPUART_1) {
mbed_official 201:fa203361dc70 77 UartHandle.Init.BaudRate = obj->baudrate >> 1;
mbed_official 201:fa203361dc70 78 } else {
mbed_official 201:fa203361dc70 79 UartHandle.Init.BaudRate = obj->baudrate;
mbed_official 201:fa203361dc70 80 }
mbed_official 181:a4cbdfbbd2f4 81 UartHandle.Init.WordLength = obj->databits;
mbed_official 181:a4cbdfbbd2f4 82 UartHandle.Init.StopBits = obj->stopbits;
mbed_official 181:a4cbdfbbd2f4 83 UartHandle.Init.Parity = obj->parity;
mbed_official 181:a4cbdfbbd2f4 84 UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
mbed_official 201:fa203361dc70 85
mbed_official 201:fa203361dc70 86 if (obj->pin_rx == NC) {
mbed_official 201:fa203361dc70 87 UartHandle.Init.Mode = UART_MODE_TX;
mbed_official 201:fa203361dc70 88 } else if (obj->pin_tx == NC) {
mbed_official 201:fa203361dc70 89 UartHandle.Init.Mode = UART_MODE_RX;
mbed_official 181:a4cbdfbbd2f4 90 } else {
mbed_official 201:fa203361dc70 91 UartHandle.Init.Mode = UART_MODE_TX_RX;
mbed_official 181:a4cbdfbbd2f4 92 }
mbed_official 181:a4cbdfbbd2f4 93
mbed_official 293:2a9cf2ed1474 94 // Disable the reception overrun detection
mbed_official 293:2a9cf2ed1474 95 UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT;
mbed_official 293:2a9cf2ed1474 96 UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
mbed_official 293:2a9cf2ed1474 97
mbed_official 181:a4cbdfbbd2f4 98 HAL_UART_Init(&UartHandle);
mbed_official 181:a4cbdfbbd2f4 99 }
mbed_official 181:a4cbdfbbd2f4 100
mbed_official 181:a4cbdfbbd2f4 101 void serial_init(serial_t *obj, PinName tx, PinName rx) {
mbed_official 181:a4cbdfbbd2f4 102 // Determine the UART to use (UART_1, UART_2, ...)
mbed_official 181:a4cbdfbbd2f4 103 UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
mbed_official 181:a4cbdfbbd2f4 104 UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
mbed_official 181:a4cbdfbbd2f4 105
mbed_official 181:a4cbdfbbd2f4 106 // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
mbed_official 181:a4cbdfbbd2f4 107 obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
mbed_official 227:7bd0639b8911 108 MBED_ASSERT(obj->uart != (UARTName)NC);
mbed_official 181:a4cbdfbbd2f4 109
mbed_official 181:a4cbdfbbd2f4 110 // Enable UART clock
mbed_official 181:a4cbdfbbd2f4 111 if (obj->uart == UART_1) {
mbed_official 181:a4cbdfbbd2f4 112 __USART1_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 113 obj->index = 0;
mbed_official 181:a4cbdfbbd2f4 114 }
mbed_official 181:a4cbdfbbd2f4 115
mbed_official 181:a4cbdfbbd2f4 116 if (obj->uart == UART_2) {
mbed_official 181:a4cbdfbbd2f4 117 __USART2_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 118 obj->index = 1;
mbed_official 181:a4cbdfbbd2f4 119 }
mbed_official 181:a4cbdfbbd2f4 120
mbed_official 181:a4cbdfbbd2f4 121 if (obj->uart == LPUART_1) {
mbed_official 181:a4cbdfbbd2f4 122 __LPUART1_CLK_ENABLE();
mbed_official 181:a4cbdfbbd2f4 123 obj->index = 2;
mbed_official 181:a4cbdfbbd2f4 124 }
mbed_official 181:a4cbdfbbd2f4 125
mbed_official 181:a4cbdfbbd2f4 126 // Configure the UART pins
mbed_official 181:a4cbdfbbd2f4 127 pinmap_pinout(tx, PinMap_UART_TX);
mbed_official 181:a4cbdfbbd2f4 128 pinmap_pinout(rx, PinMap_UART_RX);
mbed_official 339:40bd4701f3e2 129 if (tx != NC) {
mbed_official 339:40bd4701f3e2 130 pin_mode(tx, PullUp);
mbed_official 339:40bd4701f3e2 131 }
mbed_official 339:40bd4701f3e2 132 if (rx != NC) {
mbed_official 339:40bd4701f3e2 133 pin_mode(rx, PullUp);
mbed_official 339:40bd4701f3e2 134 }
mbed_official 181:a4cbdfbbd2f4 135
mbed_official 181:a4cbdfbbd2f4 136 // Configure UART
mbed_official 181:a4cbdfbbd2f4 137 obj->baudrate = 9600;
mbed_official 181:a4cbdfbbd2f4 138 obj->databits = UART_WORDLENGTH_8B;
mbed_official 181:a4cbdfbbd2f4 139 obj->stopbits = UART_STOPBITS_1;
mbed_official 181:a4cbdfbbd2f4 140 obj->parity = UART_PARITY_NONE;
mbed_official 201:fa203361dc70 141 obj->pin_tx = tx;
mbed_official 201:fa203361dc70 142 obj->pin_rx = rx;
mbed_official 181:a4cbdfbbd2f4 143
mbed_official 181:a4cbdfbbd2f4 144 init_uart(obj);
mbed_official 181:a4cbdfbbd2f4 145
mbed_official 181:a4cbdfbbd2f4 146 // For stdio management
mbed_official 181:a4cbdfbbd2f4 147 if (obj->uart == STDIO_UART) {
mbed_official 181:a4cbdfbbd2f4 148 stdio_uart_inited = 1;
mbed_official 181:a4cbdfbbd2f4 149 memcpy(&stdio_uart, obj, sizeof(serial_t));
mbed_official 181:a4cbdfbbd2f4 150 }
mbed_official 181:a4cbdfbbd2f4 151 }
mbed_official 181:a4cbdfbbd2f4 152
mbed_official 181:a4cbdfbbd2f4 153 void serial_free(serial_t *obj) {
mbed_official 201:fa203361dc70 154 // Reset UART and disable clock
mbed_official 201:fa203361dc70 155 if (obj->uart == UART_1) {
mbed_official 201:fa203361dc70 156 __USART1_FORCE_RESET();
mbed_official 201:fa203361dc70 157 __USART1_RELEASE_RESET();
mbed_official 201:fa203361dc70 158 __USART1_CLK_DISABLE();
mbed_official 201:fa203361dc70 159 }
mbed_official 201:fa203361dc70 160
mbed_official 201:fa203361dc70 161 if (obj->uart == UART_2) {
mbed_official 201:fa203361dc70 162 __USART2_FORCE_RESET();
mbed_official 201:fa203361dc70 163 __USART2_RELEASE_RESET();
mbed_official 201:fa203361dc70 164 __USART2_CLK_DISABLE();
mbed_official 201:fa203361dc70 165 }
mbed_official 201:fa203361dc70 166
mbed_official 201:fa203361dc70 167 if (obj->uart == LPUART_1) {
mbed_official 201:fa203361dc70 168 __LPUART1_FORCE_RESET();
mbed_official 201:fa203361dc70 169 __LPUART1_RELEASE_RESET();
mbed_official 201:fa203361dc70 170 __LPUART1_CLK_DISABLE();
mbed_official 201:fa203361dc70 171 }
mbed_official 201:fa203361dc70 172
mbed_official 201:fa203361dc70 173 // Configure GPIOs
mbed_official 201:fa203361dc70 174 pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 201:fa203361dc70 175 pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 201:fa203361dc70 176
mbed_official 181:a4cbdfbbd2f4 177 serial_irq_ids[obj->index] = 0;
mbed_official 181:a4cbdfbbd2f4 178 }
mbed_official 181:a4cbdfbbd2f4 179
mbed_official 181:a4cbdfbbd2f4 180 void serial_baud(serial_t *obj, int baudrate) {
mbed_official 181:a4cbdfbbd2f4 181 obj->baudrate = baudrate;
mbed_official 181:a4cbdfbbd2f4 182 init_uart(obj);
mbed_official 181:a4cbdfbbd2f4 183 }
mbed_official 181:a4cbdfbbd2f4 184
mbed_official 181:a4cbdfbbd2f4 185 void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) {
mbed_official 242:7074e42da0b2 186 if (data_bits == 9) {
mbed_official 242:7074e42da0b2 187 obj->databits = UART_WORDLENGTH_9B;
mbed_official 242:7074e42da0b2 188 } else {
mbed_official 181:a4cbdfbbd2f4 189 obj->databits = UART_WORDLENGTH_8B;
mbed_official 181:a4cbdfbbd2f4 190 }
mbed_official 181:a4cbdfbbd2f4 191
mbed_official 181:a4cbdfbbd2f4 192 switch (parity) {
mbed_official 181:a4cbdfbbd2f4 193 case ParityOdd:
mbed_official 181:a4cbdfbbd2f4 194 case ParityForced0:
mbed_official 181:a4cbdfbbd2f4 195 obj->parity = UART_PARITY_ODD;
mbed_official 181:a4cbdfbbd2f4 196 break;
mbed_official 181:a4cbdfbbd2f4 197 case ParityEven:
mbed_official 181:a4cbdfbbd2f4 198 case ParityForced1:
mbed_official 181:a4cbdfbbd2f4 199 obj->parity = UART_PARITY_EVEN;
mbed_official 181:a4cbdfbbd2f4 200 break;
mbed_official 181:a4cbdfbbd2f4 201 default: // ParityNone
mbed_official 181:a4cbdfbbd2f4 202 obj->parity = UART_PARITY_NONE;
mbed_official 181:a4cbdfbbd2f4 203 break;
mbed_official 181:a4cbdfbbd2f4 204 }
mbed_official 181:a4cbdfbbd2f4 205
mbed_official 181:a4cbdfbbd2f4 206 if (stop_bits == 2) {
mbed_official 181:a4cbdfbbd2f4 207 obj->stopbits = UART_STOPBITS_2;
mbed_official 181:a4cbdfbbd2f4 208 } else {
mbed_official 181:a4cbdfbbd2f4 209 obj->stopbits = UART_STOPBITS_1;
mbed_official 181:a4cbdfbbd2f4 210 }
mbed_official 181:a4cbdfbbd2f4 211
mbed_official 181:a4cbdfbbd2f4 212 init_uart(obj);
mbed_official 181:a4cbdfbbd2f4 213 }
mbed_official 181:a4cbdfbbd2f4 214
mbed_official 181:a4cbdfbbd2f4 215 /******************************************************************************
mbed_official 181:a4cbdfbbd2f4 216 * INTERRUPTS HANDLING
mbed_official 181:a4cbdfbbd2f4 217 ******************************************************************************/
mbed_official 181:a4cbdfbbd2f4 218
mbed_official 181:a4cbdfbbd2f4 219 static void uart_irq(UARTName name, int id) {
mbed_official 181:a4cbdfbbd2f4 220 UartHandle.Instance = (USART_TypeDef *)name;
mbed_official 181:a4cbdfbbd2f4 221 if (serial_irq_ids[id] != 0) {
mbed_official 181:a4cbdfbbd2f4 222 if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
mbed_official 181:a4cbdfbbd2f4 223 irq_handler(serial_irq_ids[id], TxIrq);
mbed_official 181:a4cbdfbbd2f4 224 __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
mbed_official 181:a4cbdfbbd2f4 225 }
mbed_official 181:a4cbdfbbd2f4 226 if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) {
mbed_official 181:a4cbdfbbd2f4 227 irq_handler(serial_irq_ids[id], RxIrq);
mbed_official 293:2a9cf2ed1474 228 volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit
mbed_official 181:a4cbdfbbd2f4 229 }
mbed_official 181:a4cbdfbbd2f4 230 }
mbed_official 181:a4cbdfbbd2f4 231 }
mbed_official 181:a4cbdfbbd2f4 232
mbed_official 181:a4cbdfbbd2f4 233 static void uart1_irq(void) {
mbed_official 181:a4cbdfbbd2f4 234 uart_irq(UART_1, 0);
mbed_official 181:a4cbdfbbd2f4 235 }
mbed_official 201:fa203361dc70 236
mbed_official 181:a4cbdfbbd2f4 237 static void uart2_irq(void) {
mbed_official 181:a4cbdfbbd2f4 238 uart_irq(UART_2, 1);
mbed_official 181:a4cbdfbbd2f4 239 }
mbed_official 201:fa203361dc70 240
mbed_official 181:a4cbdfbbd2f4 241 static void lpuart1_irq(void) {
mbed_official 181:a4cbdfbbd2f4 242 uart_irq(LPUART_1, 2);
mbed_official 181:a4cbdfbbd2f4 243 }
mbed_official 181:a4cbdfbbd2f4 244
mbed_official 181:a4cbdfbbd2f4 245 void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) {
mbed_official 181:a4cbdfbbd2f4 246 irq_handler = handler;
mbed_official 181:a4cbdfbbd2f4 247 serial_irq_ids[obj->index] = id;
mbed_official 181:a4cbdfbbd2f4 248 }
mbed_official 181:a4cbdfbbd2f4 249
mbed_official 181:a4cbdfbbd2f4 250 void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) {
mbed_official 181:a4cbdfbbd2f4 251 IRQn_Type irq_n = (IRQn_Type)0;
mbed_official 181:a4cbdfbbd2f4 252 uint32_t vector = 0;
mbed_official 181:a4cbdfbbd2f4 253
mbed_official 181:a4cbdfbbd2f4 254 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 255
mbed_official 181:a4cbdfbbd2f4 256 if (obj->uart == UART_1) {
mbed_official 181:a4cbdfbbd2f4 257 irq_n = USART1_IRQn;
mbed_official 181:a4cbdfbbd2f4 258 vector = (uint32_t)&uart1_irq;
mbed_official 181:a4cbdfbbd2f4 259 }
mbed_official 181:a4cbdfbbd2f4 260
mbed_official 181:a4cbdfbbd2f4 261 if (obj->uart == UART_2) {
mbed_official 181:a4cbdfbbd2f4 262 irq_n = USART2_IRQn;
mbed_official 181:a4cbdfbbd2f4 263 vector = (uint32_t)&uart2_irq;
mbed_official 181:a4cbdfbbd2f4 264 }
mbed_official 181:a4cbdfbbd2f4 265
mbed_official 181:a4cbdfbbd2f4 266 if (obj->uart == LPUART_1) {
mbed_official 181:a4cbdfbbd2f4 267 irq_n = RNG_LPUART1_IRQn;
mbed_official 181:a4cbdfbbd2f4 268 vector = (uint32_t)&lpuart1_irq;
mbed_official 181:a4cbdfbbd2f4 269 }
mbed_official 181:a4cbdfbbd2f4 270
mbed_official 181:a4cbdfbbd2f4 271 if (enable) {
mbed_official 181:a4cbdfbbd2f4 272
mbed_official 181:a4cbdfbbd2f4 273 if (irq == RxIrq) {
mbed_official 181:a4cbdfbbd2f4 274 __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE);
mbed_official 181:a4cbdfbbd2f4 275 } else { // TxIrq
mbed_official 181:a4cbdfbbd2f4 276 __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC);
mbed_official 181:a4cbdfbbd2f4 277 }
mbed_official 181:a4cbdfbbd2f4 278
mbed_official 181:a4cbdfbbd2f4 279 NVIC_SetVector(irq_n, vector);
mbed_official 181:a4cbdfbbd2f4 280 NVIC_EnableIRQ(irq_n);
mbed_official 181:a4cbdfbbd2f4 281
mbed_official 181:a4cbdfbbd2f4 282 } else { // disable
mbed_official 181:a4cbdfbbd2f4 283
mbed_official 181:a4cbdfbbd2f4 284 int all_disabled = 0;
mbed_official 181:a4cbdfbbd2f4 285
mbed_official 181:a4cbdfbbd2f4 286 if (irq == RxIrq) {
mbed_official 181:a4cbdfbbd2f4 287 __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE);
mbed_official 181:a4cbdfbbd2f4 288 // Check if TxIrq is disabled too
mbed_official 293:2a9cf2ed1474 289 if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1;
mbed_official 181:a4cbdfbbd2f4 290 } else { // TxIrq
mbed_official 293:2a9cf2ed1474 291 __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC);
mbed_official 181:a4cbdfbbd2f4 292 // Check if RxIrq is disabled too
mbed_official 181:a4cbdfbbd2f4 293 if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1;
mbed_official 181:a4cbdfbbd2f4 294 }
mbed_official 181:a4cbdfbbd2f4 295
mbed_official 181:a4cbdfbbd2f4 296 if (all_disabled) NVIC_DisableIRQ(irq_n);
mbed_official 181:a4cbdfbbd2f4 297
mbed_official 181:a4cbdfbbd2f4 298 }
mbed_official 181:a4cbdfbbd2f4 299 }
mbed_official 181:a4cbdfbbd2f4 300
mbed_official 181:a4cbdfbbd2f4 301 /******************************************************************************
mbed_official 181:a4cbdfbbd2f4 302 * READ/WRITE
mbed_official 181:a4cbdfbbd2f4 303 ******************************************************************************/
mbed_official 181:a4cbdfbbd2f4 304
mbed_official 181:a4cbdfbbd2f4 305 int serial_getc(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 306 USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 307 while (!serial_readable(obj));
mbed_official 293:2a9cf2ed1474 308 return (int)(uart->RDR & (uint32_t)0xFF);
mbed_official 181:a4cbdfbbd2f4 309 }
mbed_official 181:a4cbdfbbd2f4 310
mbed_official 181:a4cbdfbbd2f4 311 void serial_putc(serial_t *obj, int c) {
mbed_official 181:a4cbdfbbd2f4 312 USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 313 while (!serial_writable(obj));
mbed_official 293:2a9cf2ed1474 314 uart->TDR = (uint32_t)(c & (uint32_t)0xFF);
mbed_official 181:a4cbdfbbd2f4 315 }
mbed_official 181:a4cbdfbbd2f4 316
mbed_official 181:a4cbdfbbd2f4 317 int serial_readable(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 318 int status;
mbed_official 181:a4cbdfbbd2f4 319 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 320 // Check if data is received
mbed_official 181:a4cbdfbbd2f4 321 status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0);
mbed_official 181:a4cbdfbbd2f4 322 return status;
mbed_official 181:a4cbdfbbd2f4 323 }
mbed_official 181:a4cbdfbbd2f4 324
mbed_official 181:a4cbdfbbd2f4 325 int serial_writable(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 326 int status;
mbed_official 181:a4cbdfbbd2f4 327 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 328 // Check if data is transmitted
mbed_official 181:a4cbdfbbd2f4 329 status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0);
mbed_official 181:a4cbdfbbd2f4 330 return status;
mbed_official 181:a4cbdfbbd2f4 331 }
mbed_official 181:a4cbdfbbd2f4 332
mbed_official 181:a4cbdfbbd2f4 333 void serial_clear(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 334 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 335 __HAL_UART_CLEAR_IT(&UartHandle, UART_CLEAR_TCF);
mbed_official 181:a4cbdfbbd2f4 336 __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST);
mbed_official 181:a4cbdfbbd2f4 337 }
mbed_official 181:a4cbdfbbd2f4 338
mbed_official 181:a4cbdfbbd2f4 339 void serial_pinout_tx(PinName tx) {
mbed_official 181:a4cbdfbbd2f4 340 pinmap_pinout(tx, PinMap_UART_TX);
mbed_official 181:a4cbdfbbd2f4 341 }
mbed_official 181:a4cbdfbbd2f4 342
mbed_official 181:a4cbdfbbd2f4 343 void serial_break_set(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 344 UartHandle.Instance = (USART_TypeDef *)(obj->uart);
mbed_official 181:a4cbdfbbd2f4 345 __HAL_UART_SEND_REQ(&UartHandle, UART_SENDBREAK_REQUEST);
mbed_official 181:a4cbdfbbd2f4 346 }
mbed_official 181:a4cbdfbbd2f4 347
mbed_official 181:a4cbdfbbd2f4 348 void serial_break_clear(serial_t *obj) {
mbed_official 181:a4cbdfbbd2f4 349 }
mbed_official 181:a4cbdfbbd2f4 350
mbed_official 181:a4cbdfbbd2f4 351 #endif