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Diff: targets/hal/TARGET_WIZNET/TARGET_W7500x/serial_api.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
--- a/targets/hal/TARGET_WIZNET/TARGET_W7500x/serial_api.c Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_WIZNET/TARGET_W7500x/serial_api.c Fri Sep 02 15:07:44 2016 +0100 @@ -1,413 +1,413 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of ARM Limited nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ - -#include "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include <string.h> -#include "PeripheralPins.h" -#include "W7500x_uart.h" - -#define UART_NUM (3) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0}; - - -static uart_irq_handler irq_handler; -static UART_TypeDef *UART; - - -UART_InitTypeDef UART_InitStructure; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - if(obj->index == 2) // For UART2, It is simple UART. - { - SystemCoreClockUpdate(); - //S_UART_Init(obj->baudrate); - S_UART_SetCTRL((S_UART_CTRL_RX_EN|S_UART_CTRL_TX_EN), DISABLE); - S_UART_SetBaud(obj->baudrate); - - if(obj->pin_rx == NC) - { - S_UART_SetCTRL(S_UART_CTRL_TX_EN, ENABLE); - } - else if(obj->pin_tx == NC) - { - S_UART_SetCTRL(S_UART_CTRL_RX_EN, ENABLE); - } - else - { - S_UART_SetCTRL((S_UART_CTRL_TX_EN|S_UART_CTRL_RX_EN),ENABLE); - } - } - else // For UART0 and UART1. - { - UART = (UART_TypeDef *)(obj->uart); - UART_InitStructure.UART_BaudRate = obj->baudrate; - UART_InitStructure.UART_WordLength = obj->databits; - UART_InitStructure.UART_StopBits = obj->stopbits; - UART_InitStructure.UART_Parity = obj->parity; - UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None; - - - if (obj->pin_rx == NC) { - UART_InitStructure.UART_Mode = UART_Mode_Tx; - } else if (obj->pin_tx == NC) { - UART_InitStructure.UART_Mode = UART_Mode_Rx; - } else { - UART_InitStructure.UART_Mode = (UART_Mode_Rx | UART_Mode_Tx); - } - - UART_Init(UART,&UART_InitStructure); - } -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock - if (obj->uart == UART_0) { - obj->index = 0; - } - - if (obj->uart == UART_1) { - obj->index = 1; - } - - if (obj->uart == UART_2) { - obj->index = 2; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WordLength_8b; - obj->stopbits = UART_StopBits_1; - obj->parity = UART_Parity_No; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_0) { - } - - if (obj->uart == UART_1) { - } - if (obj->uart == UART_2) { - } - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 7) { - obj->databits = UART_WordLength_7b; - } else { - obj->databits = UART_WordLength_8b; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_Parity_Odd; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_Parity_Even; - break; - default: // ParityNone - obj->parity = UART_Parity_No; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_StopBits_2; - } else { - obj->stopbits = UART_StopBits_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UART = (UART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if( UART_GetITStatus(UART,UART_IT_FLAG_TXI) != RESET ){ - irq_handler(serial_irq_ids[id], TxIrq); - UART_ClearITPendingBit(UART,UART_IT_FLAG_TXI); - } - if( UART_GetITStatus(UART,UART_IT_FLAG_RXI) != RESET ){ - irq_handler(serial_irq_ids[id], RxIrq); - } - } -} - -static void uart2_irq() -{ - if(serial_irq_ids[2] != 0){ - if( S_UART_GetITStatus(S_UART_INTSTATUS_TXI) != RESET ){ - S_UART_ClearITPendingBit(S_UART_INTSTATUS_TXI); - irq_handler(serial_irq_ids[2], TxIrq); - } - if( S_UART_GetITStatus(S_UART_INTSTATUS_RXI) != RESET ) { - S_UART_ClearITPendingBit(S_UART_INTSTATUS_RXI); - irq_handler(serial_irq_ids[2], RxIrq); - } - } -} - -#ifdef __cplusplus -extern "C"{ -#endif -void UART0_Handler() -{ - uart_irq(UART_0, 0); -} - -void UART1_Handler() -{ - uart_irq(UART_1, 1); -} - -void UART2_Handler() -{ - uart2_irq(); -} -#ifdef __cplusplus -} -#endif - - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - - - if (obj->uart == UART_2) - { - irq_n = UART2_IRQn; - - if (enable){ - if (irq == RxIrq){ - S_UART_ITConfig(S_UART_CTRL_RXI,ENABLE); - } else { - S_UART_ITConfig(S_UART_CTRL_TXI,ENABLE); - } - NVIC_ClearPendingIRQ(irq_n); - NVIC_EnableIRQ(irq_n); - } else { // disable - S_UART_ITConfig((S_UART_CTRL_RXI|S_UART_CTRL_TXI),DISABLE); - NVIC_DisableIRQ(irq_n); - } - } - else - { - UART = (UART_TypeDef *)(obj->uart); - - if (obj->uart == UART_0) { - irq_n = UART0_IRQn; - } - - if (obj->uart == UART_1) { - irq_n = UART1_IRQn; - } - - if (enable) { - if (irq == RxIrq) { - UART_ITConfig(UART,UART_IT_FLAG_RXI,ENABLE); - } else { // TxIrq - UART_ITConfig(UART,UART_IT_FLAG_TXI,ENABLE); - } - - NVIC_ClearPendingIRQ(irq_n); - NVIC_EnableIRQ(irq_n); - } else { // disable - UART_ITConfig(UART,(UART_IT_FLAG_RXI|UART_IT_FLAG_TXI),DISABLE); - NVIC_DisableIRQ(irq_n); - } - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - if (obj->uart == UART_2) - { - S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); - - while( (uart->STATE & S_UART_STATE_RX_BUF_FULL) == 0 ); - return (uint16_t)(uart->DATA); - } - else - { - UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); - while(uart->FR & UART_FR_RXFE); - - return (uart->DR & 0xFF); - } -} - -void serial_putc(serial_t *obj, int c) -{ - if (obj->uart == UART_2) - { - S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); - - while(uart->STATE & S_UART_STATE_TX_BUF_FULL); - uart->DATA = (uint32_t)(c & (uint16_t)0xFF); - } - else - { - UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); - - uart->DR = (uint32_t)(c & (uint16_t)0xFF); - while(uart->FR & UART_FR_BUSY); - } -} - -int serial_readable(serial_t *obj) -{ - int status; - - if (obj->uart == UART_2) - { - S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); - status = ((uart->STATE & S_UART_STATE_RX_BUF_FULL) ? 1 : 0); - } - else - { - UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); - // Check if data is received - status = ((uart->FR & UART_FR_RXFE) ? 0: 1); - } - - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - - if (obj->uart == UART_2) - { - S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); - status = ((uart->STATE & S_UART_STATE_TX_BUF_FULL) ? 0 : 1); - } - else - { - UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((uart->FR & UART_FR_BUSY) ? 0: 1); - } - return status; -} - -void serial_clear(serial_t *obj) -{ -// UartHandle.Instance = (USART_TypeDef *)(obj->uart); -// __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); -// __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - //pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - // [TODO] -} - -void serial_break_clear(serial_t *obj) -{ - // [TODO] -} - -#endif +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of ARM Limited nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#include "mbed_assert.h" +#include "serial_api.h" + +#if DEVICE_SERIAL + +#include "cmsis.h" +#include "pinmap.h" +#include <string.h> +#include "PeripheralPins.h" +#include "W7500x_uart.h" + +#define UART_NUM (3) + +static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0}; + + +static uart_irq_handler irq_handler; +static UART_TypeDef *UART; + + +UART_InitTypeDef UART_InitStructure; + +int stdio_uart_inited = 0; +serial_t stdio_uart; + +static void init_uart(serial_t *obj) +{ + if(obj->index == 2) // For UART2, It is simple UART. + { + SystemCoreClockUpdate(); + //S_UART_Init(obj->baudrate); + S_UART_SetCTRL((S_UART_CTRL_RX_EN|S_UART_CTRL_TX_EN), DISABLE); + S_UART_SetBaud(obj->baudrate); + + if(obj->pin_rx == NC) + { + S_UART_SetCTRL(S_UART_CTRL_TX_EN, ENABLE); + } + else if(obj->pin_tx == NC) + { + S_UART_SetCTRL(S_UART_CTRL_RX_EN, ENABLE); + } + else + { + S_UART_SetCTRL((S_UART_CTRL_TX_EN|S_UART_CTRL_RX_EN),ENABLE); + } + } + else // For UART0 and UART1. + { + UART = (UART_TypeDef *)(obj->uart); + UART_InitStructure.UART_BaudRate = obj->baudrate; + UART_InitStructure.UART_WordLength = obj->databits; + UART_InitStructure.UART_StopBits = obj->stopbits; + UART_InitStructure.UART_Parity = obj->parity; + UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None; + + + if (obj->pin_rx == NC) { + UART_InitStructure.UART_Mode = UART_Mode_Tx; + } else if (obj->pin_tx == NC) { + UART_InitStructure.UART_Mode = UART_Mode_Rx; + } else { + UART_InitStructure.UART_Mode = (UART_Mode_Rx | UART_Mode_Tx); + } + + UART_Init(UART,&UART_InitStructure); + } +} + +void serial_init(serial_t *obj, PinName tx, PinName rx) +{ + // Determine the UART to use (UART_1, UART_2, ...) + UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); + UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); + + // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object + obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); + + MBED_ASSERT(obj->uart != (UARTName)NC); + + // Enable USART clock + if (obj->uart == UART_0) { + obj->index = 0; + } + + if (obj->uart == UART_1) { + obj->index = 1; + } + + if (obj->uart == UART_2) { + obj->index = 2; + } + + // Configure the UART pins + pinmap_pinout(tx, PinMap_UART_TX); + pinmap_pinout(rx, PinMap_UART_RX); + if (tx != NC) { + pin_mode(tx, PullUp); + } + if (rx != NC) { + pin_mode(rx, PullUp); + } + + // Configure UART + obj->baudrate = 9600; + obj->databits = UART_WordLength_8b; + obj->stopbits = UART_StopBits_1; + obj->parity = UART_Parity_No; + + obj->pin_tx = tx; + obj->pin_rx = rx; + + + init_uart(obj); + + // For stdio management + if (obj->uart == STDIO_UART) { + stdio_uart_inited = 1; + memcpy(&stdio_uart, obj, sizeof(serial_t)); + } +} + +void serial_free(serial_t *obj) +{ + // Reset UART and disable clock + if (obj->uart == UART_0) { + } + + if (obj->uart == UART_1) { + } + if (obj->uart == UART_2) { + } + + serial_irq_ids[obj->index] = 0; +} + +void serial_baud(serial_t *obj, int baudrate) +{ + obj->baudrate = baudrate; + init_uart(obj); +} + +void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) +{ + if (data_bits == 7) { + obj->databits = UART_WordLength_7b; + } else { + obj->databits = UART_WordLength_8b; + } + + switch (parity) { + case ParityOdd: + case ParityForced0: + obj->parity = UART_Parity_Odd; + break; + case ParityEven: + case ParityForced1: + obj->parity = UART_Parity_Even; + break; + default: // ParityNone + obj->parity = UART_Parity_No; + break; + } + + if (stop_bits == 2) { + obj->stopbits = UART_StopBits_2; + } else { + obj->stopbits = UART_StopBits_1; + } + + init_uart(obj); +} + +/****************************************************************************** + * INTERRUPTS HANDLING + ******************************************************************************/ + +static void uart_irq(UARTName name, int id) +{ + UART = (UART_TypeDef *)name; + if (serial_irq_ids[id] != 0) { + if( UART_GetITStatus(UART,UART_IT_FLAG_TXI) != RESET ){ + irq_handler(serial_irq_ids[id], TxIrq); + UART_ClearITPendingBit(UART,UART_IT_FLAG_TXI); + } + if( UART_GetITStatus(UART,UART_IT_FLAG_RXI) != RESET ){ + irq_handler(serial_irq_ids[id], RxIrq); + } + } +} + +static void uart2_irq() +{ + if(serial_irq_ids[2] != 0){ + if( S_UART_GetITStatus(S_UART_INTSTATUS_TXI) != RESET ){ + S_UART_ClearITPendingBit(S_UART_INTSTATUS_TXI); + irq_handler(serial_irq_ids[2], TxIrq); + } + if( S_UART_GetITStatus(S_UART_INTSTATUS_RXI) != RESET ) { + S_UART_ClearITPendingBit(S_UART_INTSTATUS_RXI); + irq_handler(serial_irq_ids[2], RxIrq); + } + } +} + +#ifdef __cplusplus +extern "C"{ +#endif +void UART0_Handler() +{ + uart_irq(UART_0, 0); +} + +void UART1_Handler() +{ + uart_irq(UART_1, 1); +} + +void UART2_Handler() +{ + uart2_irq(); +} +#ifdef __cplusplus +} +#endif + + +void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) +{ + irq_handler = handler; + serial_irq_ids[obj->index] = id; +} + +void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) +{ + IRQn_Type irq_n = (IRQn_Type)0; + + + if (obj->uart == UART_2) + { + irq_n = UART2_IRQn; + + if (enable){ + if (irq == RxIrq){ + S_UART_ITConfig(S_UART_CTRL_RXI,ENABLE); + } else { + S_UART_ITConfig(S_UART_CTRL_TXI,ENABLE); + } + NVIC_ClearPendingIRQ(irq_n); + NVIC_EnableIRQ(irq_n); + } else { // disable + S_UART_ITConfig((S_UART_CTRL_RXI|S_UART_CTRL_TXI),DISABLE); + NVIC_DisableIRQ(irq_n); + } + } + else + { + UART = (UART_TypeDef *)(obj->uart); + + if (obj->uart == UART_0) { + irq_n = UART0_IRQn; + } + + if (obj->uart == UART_1) { + irq_n = UART1_IRQn; + } + + if (enable) { + if (irq == RxIrq) { + UART_ITConfig(UART,UART_IT_FLAG_RXI,ENABLE); + } else { // TxIrq + UART_ITConfig(UART,UART_IT_FLAG_TXI,ENABLE); + } + + NVIC_ClearPendingIRQ(irq_n); + NVIC_EnableIRQ(irq_n); + } else { // disable + UART_ITConfig(UART,(UART_IT_FLAG_RXI|UART_IT_FLAG_TXI),DISABLE); + NVIC_DisableIRQ(irq_n); + } + } +} + +/****************************************************************************** + * READ/WRITE + ******************************************************************************/ + +int serial_getc(serial_t *obj) +{ + if (obj->uart == UART_2) + { + S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); + + while( (uart->STATE & S_UART_STATE_RX_BUF_FULL) == 0 ); + return (uint16_t)(uart->DATA); + } + else + { + UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); + while(uart->FR & UART_FR_RXFE); + + return (uart->DR & 0xFF); + } +} + +void serial_putc(serial_t *obj, int c) +{ + if (obj->uart == UART_2) + { + S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); + + while(uart->STATE & S_UART_STATE_TX_BUF_FULL); + uart->DATA = (uint32_t)(c & (uint16_t)0xFF); + } + else + { + UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); + + uart->DR = (uint32_t)(c & (uint16_t)0xFF); + while(uart->FR & UART_FR_BUSY); + } +} + +int serial_readable(serial_t *obj) +{ + int status; + + if (obj->uart == UART_2) + { + S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); + status = ((uart->STATE & S_UART_STATE_RX_BUF_FULL) ? 1 : 0); + } + else + { + UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); + // Check if data is received + status = ((uart->FR & UART_FR_RXFE) ? 0: 1); + } + + return status; +} + +int serial_writable(serial_t *obj) +{ + int status; + + if (obj->uart == UART_2) + { + S_UART_TypeDef *uart = (S_UART_TypeDef *)(obj->uart); + status = ((uart->STATE & S_UART_STATE_TX_BUF_FULL) ? 0 : 1); + } + else + { + UART_TypeDef *uart = (UART_TypeDef *)(obj->uart); + // Check if data is transmitted + status = ((uart->FR & UART_FR_BUSY) ? 0: 1); + } + return status; +} + +void serial_clear(serial_t *obj) +{ +// UartHandle.Instance = (USART_TypeDef *)(obj->uart); +// __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); +// __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); +} + +void serial_pinout_tx(PinName tx) +{ + //pinmap_pinout(tx, PinMap_UART_TX); +} + +void serial_break_set(serial_t *obj) +{ + // [TODO] +} + +void serial_break_clear(serial_t *obj) +{ + // [TODO] +} + +#endif