mirror of
https://github.com/ghsecuritylab/ameba_ws2812b.git
synced 2025-02-19 18:45:19 +00:00
536 lines
16 KiB
C
536 lines
16 KiB
C
/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2014, Realtek Semiconductor Corp.
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* All rights reserved.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*******************************************************************************
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*/
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#include "objects.h"
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//#include "mbed_assert.h"
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#include "serial_api.h"
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#include "serial_ex_api.h"
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#if CONFIG_UART_EN
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//#include "cmsis.h"
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#include "pinmap.h"
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#include <string.h>
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static const PinMap PinMap_UART_TX[] = {
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{PC_3, RTL_PIN_PERI(UART0, 0, S0), RTL_PIN_FUNC(UART0, S0)},
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{PE_0, RTL_PIN_PERI(UART0, 0, S1), RTL_PIN_FUNC(UART0, S1)},
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{PA_7, RTL_PIN_PERI(UART0, 0, S2), RTL_PIN_FUNC(UART0, S2)},
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{PD_3, RTL_PIN_PERI(UART1, 1, S0), RTL_PIN_FUNC(UART1, S0)},
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{PE_4, RTL_PIN_PERI(UART1, 1, S1), RTL_PIN_FUNC(UART1, S1)},
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{PB_5, RTL_PIN_PERI(UART1, 1, S2), RTL_PIN_FUNC(UART1, S2)},
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{PA_4, RTL_PIN_PERI(UART2, 2, S0), RTL_PIN_FUNC(UART2, S0)},
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{PC_9, RTL_PIN_PERI(UART2, 2, S1), RTL_PIN_FUNC(UART2, S1)},
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{PD_7, RTL_PIN_PERI(UART2, 2, S2), RTL_PIN_FUNC(UART2, S2)},
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{NC, NC, 0}
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};
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static const PinMap PinMap_UART_RX[] = {
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{PC_0, RTL_PIN_PERI(UART0, 0, S0), RTL_PIN_FUNC(UART0, S0)},
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{PE_3, RTL_PIN_PERI(UART0, 0, S1), RTL_PIN_FUNC(UART0, S1)},
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{PA_6, RTL_PIN_PERI(UART0, 0, S2), RTL_PIN_FUNC(UART0, S2)},
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{PD_0, RTL_PIN_PERI(UART1, 1, S0), RTL_PIN_FUNC(UART1, S0)},
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{PE_7, RTL_PIN_PERI(UART1, 1, S1), RTL_PIN_FUNC(UART1, S1)},
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{PB_4, RTL_PIN_PERI(UART1, 1, S2), RTL_PIN_FUNC(UART1, S2)},
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{PA_0, RTL_PIN_PERI(UART2, 2, S0), RTL_PIN_FUNC(UART2, S0)},
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{PC_6, RTL_PIN_PERI(UART2, 2, S1), RTL_PIN_FUNC(UART2, S1)},
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{PD_4, RTL_PIN_PERI(UART2, 2, S2), RTL_PIN_FUNC(UART2, S2)},
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{NC, NC, 0}
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};
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#define UART_NUM (3)
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#define SERIAL_TX_IRQ_EN 0x01
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#define SERIAL_RX_IRQ_EN 0x02
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#define SERIAL_TX_DMA_EN 0x01
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#define SERIAL_RX_DMA_EN 0x02
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static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0};
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static uart_irq_handler irq_handler[UART_NUM];
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static uint32_t serial_irq_en[UART_NUM]={0, 0, 0};
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#ifdef CONFIG_GDMA_EN
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static uint32_t serial_dma_en[UART_NUM] = {0, 0, 0};
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static HAL_GDMA_OP UartGdmaOp;
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#endif
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#ifdef CONFIG_MBED_ENABLED
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int stdio_uart_inited = 0;
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serial_t stdio_uart;
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#endif
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static void SerialTxDoneCallBack(VOID *pAdapter);
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static void SerialRxDoneCallBack(VOID *pAdapter);
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void serial_init(serial_t *obj, PinName tx, PinName rx)
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{
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uint32_t uart_tx, uart_rx;
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uint32_t uart_sel;
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uint8_t uart_idx;
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PHAL_RUART_OP pHalRuartOp;
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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#ifdef CONFIG_GDMA_EN
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PUART_DMA_CONFIG pHalRuartDmaCfg;
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PHAL_GDMA_OP pHalGdmaOp=&UartGdmaOp;
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#endif
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// Determine the UART to use (UART0, UART1, or UART3)
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uart_tx = pinmap_peripheral(tx, PinMap_UART_TX);
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uart_rx = pinmap_peripheral(rx, PinMap_UART_RX);
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uart_sel = pinmap_merge(uart_tx, uart_rx);
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uart_idx = RTL_GET_PERI_IDX(uart_sel);
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if (unlikely(uart_idx == (uint8_t)NC)) {
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DBG_UART_ERR("%s: Cannot find matched UART\n", __FUNCTION__);
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return;
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}
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pHalRuartOp = &(obj->hal_uart_op);
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pHalRuartAdapter = &(obj->hal_uart_adp);
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if ((NULL == pHalRuartOp) || (NULL == pHalRuartAdapter)) {
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DBG_UART_ERR("%s: Allocate Adapter Failed\n", __FUNCTION__);
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return;
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}
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HalRuartOpInit((VOID*)pHalRuartOp);
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#ifdef CONFIG_GDMA_EN
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HalGdmaOpInit((VOID*)pHalGdmaOp);
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pHalRuartDmaCfg = &obj->uart_gdma_cfg;
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pHalRuartDmaCfg->pHalGdmaOp = pHalGdmaOp;
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pHalRuartDmaCfg->pTxHalGdmaAdapter = &obj->uart_gdma_adp_tx;
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pHalRuartDmaCfg->pRxHalGdmaAdapter = &obj->uart_gdma_adp_rx;
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#endif
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pHalRuartOp->HalRuartAdapterLoadDef(pHalRuartAdapter, uart_idx);
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pHalRuartAdapter->PinmuxSelect = RTL_GET_PERI_SEL(uart_sel);
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pHalRuartAdapter->BaudRate = 9600;
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// Configure the UART pins
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// TODO:
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// pinmap_pinout(tx, PinMap_UART_TX);
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// pinmap_pinout(rx, PinMap_UART_RX);
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// pin_mode(tx, PullUp);
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// pin_mode(rx, PullUp);
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pHalRuartOp->HalRuartInit(pHalRuartAdapter);
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pHalRuartOp->HalRuartRegIrq(pHalRuartAdapter);
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pHalRuartOp->HalRuartIntEnable(pHalRuartAdapter);
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#ifdef CONFIG_MBED_ENABLED
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// For stdio management
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if (uart_idx == STDIO_UART) {
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stdio_uart_inited = 1;
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memcpy(&stdio_uart, obj, sizeof(serial_t));
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}
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#endif
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}
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void serial_free(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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PHAL_RUART_OP pHalRuartOp;
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#ifdef CONFIG_GDMA_EN
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u8 uart_idx;
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PUART_DMA_CONFIG pHalRuartDmaCfg;
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#endif
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartOp = &(obj->hal_uart_op);
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pHalRuartOp->HalRuartDeInit(pHalRuartAdapter);
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#ifdef CONFIG_GDMA_EN
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uart_idx = pHalRuartAdapter->UartIndex;
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pHalRuartDmaCfg = &obj->uart_gdma_cfg;
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if (serial_dma_en[uart_idx] & SERIAL_RX_DMA_EN) {
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HalRuartRxGdmaDeInit(pHalRuartDmaCfg);
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serial_dma_en[uart_idx] &= ~SERIAL_RX_DMA_EN;
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}
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if (serial_dma_en[uart_idx] & SERIAL_TX_DMA_EN) {
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HalRuartTxGdmaDeInit(pHalRuartDmaCfg);
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serial_dma_en[uart_idx] &= ~SERIAL_TX_DMA_EN;
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}
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#endif
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// TODO: recovery Pin Mux
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}
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void serial_baud(serial_t *obj, int baudrate) {
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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PHAL_RUART_OP pHalRuartOp;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartOp = &(obj->hal_uart_op);
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pHalRuartAdapter->BaudRate = baudrate;
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pHalRuartOp->HalRuartInit(pHalRuartAdapter);
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}
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void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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PHAL_RUART_OP pHalRuartOp;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartOp = &(obj->hal_uart_op);
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if (data_bits == 8) {
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pHalRuartAdapter->WordLen = RUART_WLS_8BITS;
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} else {
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pHalRuartAdapter->WordLen = RUART_WLS_7BITS;
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}
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switch (parity) {
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case ParityOdd:
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case ParityForced0:
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pHalRuartAdapter->Parity = RUART_PARITY_ENABLE;
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pHalRuartAdapter->ParityType = RUART_ODD_PARITY;
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break;
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case ParityEven:
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case ParityForced1:
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pHalRuartAdapter->Parity = RUART_PARITY_ENABLE;
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pHalRuartAdapter->ParityType = RUART_EVEN_PARITY;
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break;
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default: // ParityNone
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pHalRuartAdapter->Parity = RUART_PARITY_DISABLE;
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break;
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}
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if (stop_bits == 1) {
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pHalRuartAdapter->StopBit = RUART_1_STOP_BIT;
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} else {
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pHalRuartAdapter->StopBit = RUART_NO_STOP_BIT;
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}
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pHalRuartOp->HalRuartInit(pHalRuartAdapter);
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}
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/******************************************************************************
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* INTERRUPTS HANDLING
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******************************************************************************/
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static void SerialTxDoneCallBack(VOID *pAdapter)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter = pAdapter;
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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// Mask UART TX FIFI empty
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pHalRuartAdapter->Interrupts &= ~RUART_IER_ETBEI;
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HalRuartSetIMRRtl8195a (pHalRuartAdapter);
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if (irq_handler[uart_idx] != NULL) {
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irq_handler[uart_idx](serial_irq_ids[uart_idx], TxIrq);
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}
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}
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static void SerialRxDoneCallBack(VOID *pAdapter)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter = pAdapter;
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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if (irq_handler[uart_idx] != NULL) {
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irq_handler[uart_idx](serial_irq_ids[uart_idx], RxIrq);
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}
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}
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void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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// PHAL_RUART_OP pHalRuartOp;
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u8 uart_idx;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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// pHalRuartOp = &(obj->hal_uart_op);
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uart_idx = pHalRuartAdapter->UartIndex;
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irq_handler[uart_idx] = handler;
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serial_irq_ids[uart_idx] = id;
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pHalRuartAdapter->TxTDCallback = SerialTxDoneCallBack;
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pHalRuartAdapter->TxTDCbPara = (void*)pHalRuartAdapter;
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pHalRuartAdapter->RxDRCallback = SerialRxDoneCallBack;
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pHalRuartAdapter->RxDRCbPara = (void*)pHalRuartAdapter;
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// pHalRuartOp->HalRuartRegIrq(pHalRuartAdapter);
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// pHalRuartOp->HalRuartIntEnable(pHalRuartAdapter);
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}
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void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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PHAL_RUART_OP pHalRuartOp;
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u8 uart_idx;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartOp = &(obj->hal_uart_op);
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uart_idx = pHalRuartAdapter->UartIndex;
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if (enable) {
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if (irq == RxIrq) {
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pHalRuartAdapter->Interrupts |= RUART_IER_ERBI | RUART_IER_ELSI;
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serial_irq_en[uart_idx] |= SERIAL_RX_IRQ_EN;
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HalRuartSetIMRRtl8195a (pHalRuartAdapter);
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}
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else {
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serial_irq_en[uart_idx] |= SERIAL_TX_IRQ_EN;
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}
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pHalRuartOp->HalRuartRegIrq(pHalRuartAdapter);
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pHalRuartOp->HalRuartIntEnable(pHalRuartAdapter);
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}
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else { // disable
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if (irq == RxIrq) {
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pHalRuartAdapter->Interrupts &= ~(RUART_IER_ERBI | RUART_IER_ELSI);
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serial_irq_en[uart_idx] &= ~SERIAL_RX_IRQ_EN;
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}
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else {
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pHalRuartAdapter->Interrupts &= RUART_IER_ETBEI;
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serial_irq_en[uart_idx] &= ~SERIAL_TX_IRQ_EN;
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}
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HalRuartSetIMRRtl8195a (pHalRuartAdapter);
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if (pHalRuartAdapter->Interrupts == 0) {
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InterruptUnRegister(&pHalRuartAdapter->IrqHandle);
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InterruptDis(&pHalRuartAdapter->IrqHandle);
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}
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}
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}
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/******************************************************************************
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* READ/WRITE
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******************************************************************************/
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int serial_getc(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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while (!serial_readable(obj));
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return (int)((HAL_RUART_READ32(uart_idx, RUART_REV_BUF_REG_OFF)) & 0xFF);
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}
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void serial_putc(serial_t *obj, int c)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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while (!serial_writable(obj));
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HAL_RUART_WRITE32(uart_idx, RUART_TRAN_HOLD_REG_OFF, (c & 0xFF));
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if (serial_irq_en[uart_idx] & SERIAL_TX_IRQ_EN) {
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// UnMask TX FIFO empty IRQ
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pHalRuartAdapter->Interrupts |= RUART_IER_ETBEI;
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HalRuartSetIMRRtl8195a (pHalRuartAdapter);
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}
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}
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int serial_readable(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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if ((HAL_RUART_READ32(uart_idx, RUART_LINE_STATUS_REG_OFF)) & RUART_LINE_STATUS_REG_DR) {
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return 1;
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}
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else {
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return 0;
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}
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}
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int serial_writable(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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if (HAL_RUART_READ32(uart_idx, RUART_LINE_STATUS_REG_OFF) &
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(RUART_LINE_STATUS_REG_THRE)) {
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return 1;
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}
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else {
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return 0;
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}
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}
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void serial_clear(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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PHAL_RUART_OP pHalRuartOp;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartOp = &(obj->hal_uart_op);
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pHalRuartOp->HalRuartResetRxFifo(pHalRuartAdapter);
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}
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void serial_pinout_tx(PinName tx)
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{
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pinmap_pinout(tx, PinMap_UART_TX);
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}
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void serial_break_set(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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u32 RegValue;
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RegValue = HAL_RUART_READ32(uart_idx, RUART_LINE_CTL_REG_OFF);
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RegValue |= BIT_UART_LCR_BREAK_CTRL;
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HAL_RUART_WRITE32(uart_idx, RUART_LINE_CTL_REG_OFF, RegValue);
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}
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void serial_break_clear(serial_t *obj)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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u32 RegValue;
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RegValue = HAL_RUART_READ32(uart_idx, RUART_LINE_CTL_REG_OFF);
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RegValue &= ~(BIT_UART_LCR_BREAK_CTRL);
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HAL_RUART_WRITE32(uart_idx, RUART_LINE_CTL_REG_OFF, RegValue);
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}
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void serial_send_comp_handler(serial_t *obj, void *handler, uint32_t id)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartAdapter->TxCompCallback = (void(*)(void*))handler;
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pHalRuartAdapter->TxCompCbPara = (void*)id;
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}
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void serial_recv_comp_handler(serial_t *obj, void *handler, uint32_t id)
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{
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PHAL_RUART_ADAPTER pHalRuartAdapter;
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pHalRuartAdapter = &(obj->hal_uart_adp);
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pHalRuartAdapter->RxCompCallback = (void(*)(void*))handler;
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pHalRuartAdapter->RxCompCbPara = (void*)id;
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}
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int32_t serial_recv_stream (serial_t *obj, char *prxbuf, uint32_t len)
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{
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PHAL_RUART_OP pHalRuartOp;
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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int ret;
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pHalRuartOp = &(obj->hal_uart_op);
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ret = pHalRuartOp->HalRuartIntRecv(pHalRuartAdapter, (u8*)prxbuf, len);
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return (ret);
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}
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int32_t serial_send_stream (serial_t *obj, char *ptxbuf, uint32_t len)
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{
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PHAL_RUART_OP pHalRuartOp;
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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int ret;
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pHalRuartOp = &(obj->hal_uart_op);
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ret = pHalRuartOp->HalRuartIntSend(pHalRuartAdapter, (u8*)ptxbuf, len);
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return (ret);
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}
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#ifdef CONFIG_GDMA_EN
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int32_t serial_recv_stream_dma (serial_t *obj, char *prxbuf, uint32_t len)
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{
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PHAL_RUART_OP pHalRuartOp;
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PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
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u8 uart_idx = pHalRuartAdapter->UartIndex;
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int32_t ret;
|
|
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pHalRuartOp = &(obj->hal_uart_op);
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if ((serial_dma_en[uart_idx] & SERIAL_RX_DMA_EN)==0) {
|
|
PUART_DMA_CONFIG pHalRuartDmaCfg;
|
|
|
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pHalRuartDmaCfg = &obj->uart_gdma_cfg;
|
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#if 0
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pHalRuartOp->HalRuartRxGdmaLoadDef (pHalRuartAdapter, pHalRuartDmaCfg);
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pHalRuartOp->HalRuartDmaInit (pHalRuartAdapter);
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InterruptRegister(&pHalRuartDmaCfg->RxGdmaIrqHandle);
|
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InterruptEn(&pHalRuartDmaCfg->RxGdmaIrqHandle);
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serial_dma_en[uart_idx] |= SERIAL_RX_DMA_EN;
|
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#else
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if (HAL_OK == HalRuartRxGdmaInit(pHalRuartOp, pHalRuartAdapter, pHalRuartDmaCfg)) {
|
|
serial_dma_en[uart_idx] |= SERIAL_RX_DMA_EN;
|
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}
|
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else {
|
|
return HAL_BUSY;
|
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}
|
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#endif
|
|
}
|
|
ret = pHalRuartOp->HalRuartDmaRecv(pHalRuartAdapter, (u8*)prxbuf, len);
|
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return (ret);
|
|
}
|
|
|
|
int32_t serial_send_stream_dma (serial_t *obj, char *ptxbuf, uint32_t len)
|
|
{
|
|
PHAL_RUART_OP pHalRuartOp;
|
|
PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
|
|
u8 uart_idx = pHalRuartAdapter->UartIndex;
|
|
int32_t ret;
|
|
|
|
pHalRuartOp = &(obj->hal_uart_op);
|
|
|
|
if ((serial_dma_en[uart_idx] & SERIAL_TX_DMA_EN)==0) {
|
|
PUART_DMA_CONFIG pHalRuartDmaCfg;
|
|
|
|
pHalRuartDmaCfg = &obj->uart_gdma_cfg;
|
|
#if 0
|
|
pHalRuartOp->HalRuartTxGdmaLoadDef (pHalRuartAdapter, pHalRuartDmaCfg);
|
|
pHalRuartOp->HalRuartDmaInit (pHalRuartAdapter);
|
|
InterruptRegister(&pHalRuartDmaCfg->TxGdmaIrqHandle);
|
|
InterruptEn(&pHalRuartDmaCfg->TxGdmaIrqHandle);
|
|
serial_dma_en[uart_idx] |= SERIAL_TX_DMA_EN;
|
|
#else
|
|
if (HAL_OK == HalRuartTxGdmaInit(pHalRuartOp, pHalRuartAdapter, pHalRuartDmaCfg)) {
|
|
serial_dma_en[uart_idx] |= SERIAL_TX_DMA_EN;
|
|
}
|
|
else {
|
|
return HAL_BUSY;
|
|
}
|
|
#endif
|
|
}
|
|
ret = pHalRuartOp->HalRuartDmaSend(pHalRuartAdapter, (u8*)ptxbuf, len);
|
|
return (ret);
|
|
}
|
|
#endif // end of "#ifdef CONFIG_GDMA_EN"
|
|
|
|
int32_t serial_send_stream_abort (serial_t *obj)
|
|
{
|
|
PHAL_RUART_OP pHalRuartOp;
|
|
PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
|
|
int ret;
|
|
|
|
pHalRuartOp = &(obj->hal_uart_op);
|
|
|
|
ret = pHalRuartOp->HalRuartStopSend((VOID*)pHalRuartAdapter);
|
|
HalRuartResetTxFifo((VOID*)pHalRuartAdapter);
|
|
return (ret);
|
|
}
|
|
|
|
int32_t serial_recv_stream_abort (serial_t *obj)
|
|
{
|
|
PHAL_RUART_OP pHalRuartOp;
|
|
PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
|
|
int ret;
|
|
|
|
pHalRuartOp = &(obj->hal_uart_op);
|
|
|
|
ret = pHalRuartOp->HalRuartStopRecv((VOID*)pHalRuartAdapter);
|
|
ret = pHalRuartOp->HalRuartResetRxFifo((VOID*)pHalRuartAdapter);
|
|
return (ret);
|
|
}
|
|
|
|
#endif
|