Diff: targets/TARGET_Realtek/TARGET_AMEBA/serial_api.c

Revision:

182:57724642e740

Parent:

181:96ed750bd169

--- a/targets/TARGET_Realtek/TARGET_AMEBA/serial_api.c	Wed Jan 17 15:23:54 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,464 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2013-2016 Realtek Semiconductor Corp.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "rtl8195a.h"
-#include "objects.h"
-#include "serial_api.h"
-#if CONFIG_UART_EN
-
-#include "pinmap.h"
-#include <string.h>
-
-static const PinMap PinMap_UART_TX[] = {
-    {PC_3,  RTL_PIN_PERI(UART0, 0, S0), RTL_PIN_FUNC(UART0, S0)},
-    {PE_0,  RTL_PIN_PERI(UART0, 0, S1), RTL_PIN_FUNC(UART0, S1)},
-    {PA_7,  RTL_PIN_PERI(UART0, 0, S2), RTL_PIN_FUNC(UART0, S2)},
-    {PD_3,  RTL_PIN_PERI(UART1, 1, S0), RTL_PIN_FUNC(UART1, S0)},
-    {PE_4,  RTL_PIN_PERI(UART1, 1, S1), RTL_PIN_FUNC(UART1, S1)},
-    {PB_5,  RTL_PIN_PERI(UART1, 1, S2), RTL_PIN_FUNC(UART1, S2)},
-    {PA_4,  RTL_PIN_PERI(UART2, 2, S0), RTL_PIN_FUNC(UART2, S0)},
-    {PC_9,  RTL_PIN_PERI(UART2, 2, S1), RTL_PIN_FUNC(UART2, S1)},
-    {PD_7,  RTL_PIN_PERI(UART2, 2, S2), RTL_PIN_FUNC(UART2, S2)},
-    {PB_0,  RTL_PIN_PERI(LOG_UART, 3, S0), RTL_PIN_FUNC(LOG_UART, S0)},
-    {NC,    NC,     0}
-};
-
-static const PinMap PinMap_UART_RX[] = {
-    {PC_0,  RTL_PIN_PERI(UART0, 0, S0), RTL_PIN_FUNC(UART0, S0)},
-    {PE_3,  RTL_PIN_PERI(UART0, 0, S1), RTL_PIN_FUNC(UART0, S1)},
-    {PA_6,  RTL_PIN_PERI(UART0, 0, S2), RTL_PIN_FUNC(UART0, S2)},
-    {PD_0,  RTL_PIN_PERI(UART1, 1, S0), RTL_PIN_FUNC(UART1, S0)},
-    {PE_7,  RTL_PIN_PERI(UART1, 1, S1), RTL_PIN_FUNC(UART1, S1)},
-    {PB_4,  RTL_PIN_PERI(UART1, 1, S2), RTL_PIN_FUNC(UART1, S2)},
-    {PA_0,  RTL_PIN_PERI(UART2, 2, S0), RTL_PIN_FUNC(UART2, S0)},
-    {PC_6,  RTL_PIN_PERI(UART2, 2, S1), RTL_PIN_FUNC(UART2, S1)},
-    {PD_4,  RTL_PIN_PERI(UART2, 2, S2), RTL_PIN_FUNC(UART2, S2)},
-    {PB_1,  RTL_PIN_PERI(LOG_UART, 3, S0), RTL_PIN_FUNC(LOG_UART, S0)},
-    {NC,    NC,     0}
-};
-
-#define UART_NUM (3)
-#define SERIAL_TX_IRQ_EN        0x01
-#define SERIAL_RX_IRQ_EN        0x02
-#define SERIAL_TX_DMA_EN        0x01
-#define SERIAL_RX_DMA_EN        0x02
-
-static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0};
-
-static uart_irq_handler irq_handler[UART_NUM];
-static uint32_t serial_irq_en[UART_NUM]={0, 0, 0};
-
-#ifdef CONFIG_GDMA_EN
-static uint32_t serial_dma_en[UART_NUM] = {0, 0, 0};
-static HAL_GDMA_OP UartGdmaOp;
-#endif
-
-#ifdef CONFIG_MBED_ENABLED
-#include "log_uart_api.h"
-int stdio_uart_inited = 0;
-serial_t stdio_uart;
-log_uart_t stdio_uart_log;
-#endif
-
-static void SerialTxDoneCallBack(VOID *pAdapter);
-static void SerialRxDoneCallBack(VOID *pAdapter);
-
-void serial_init(serial_t *obj, PinName tx, PinName rx) 
-{
-    uint32_t uart_tx, uart_rx;
-    uint32_t uart_sel;
-    uint8_t uart_idx;
-    PHAL_RUART_OP      pHalRuartOp;
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-#ifdef CONFIG_GDMA_EN
-    PUART_DMA_CONFIG   pHalRuartDmaCfg;
-    PHAL_GDMA_OP pHalGdmaOp=&UartGdmaOp;
-#endif
-
-    // Determine the UART to use (UART0, UART1, or UART3)
-    uart_tx = pinmap_peripheral(tx, PinMap_UART_TX);
-    uart_rx = pinmap_peripheral(rx, PinMap_UART_RX);
-
-    uart_sel = pinmap_merge(uart_tx, uart_rx);
-    uart_idx = RTL_GET_PERI_IDX(uart_sel);
-    if (unlikely(uart_idx == (uint8_t)NC)) {
-        DBG_UART_ERR("%s: Cannot find matched UART\n", __FUNCTION__);
-        return;
-    }
-#ifdef CONFIG_MBED_ENABLED 
-    else if(uart_idx == UART_3){
-        obj->index = UART_3;
-        goto init_stdio;
-    }
-#endif
-
-    pHalRuartOp = &(obj->hal_uart_op);
-    pHalRuartAdapter = &(obj->hal_uart_adp);
-
-    if ((NULL == pHalRuartOp) || (NULL == pHalRuartAdapter)) {
-        DBG_UART_ERR("%s: Allocate Adapter Failed\n", __FUNCTION__);
-        return;
-    }
-    
-    HalRuartOpInit((VOID*)pHalRuartOp);
-
-#ifdef CONFIG_GDMA_EN
-    HalGdmaOpInit((VOID*)pHalGdmaOp);
-    pHalRuartDmaCfg = &obj->uart_gdma_cfg;
-    pHalRuartDmaCfg->pHalGdmaOp = pHalGdmaOp;
-    pHalRuartDmaCfg->pTxHalGdmaAdapter = &obj->uart_gdma_adp_tx;
-    pHalRuartDmaCfg->pRxHalGdmaAdapter = &obj->uart_gdma_adp_rx;
-    pHalRuartDmaCfg->pTxDmaBlkList = &obj->gdma_multiblk_list_tx;
-    pHalRuartDmaCfg->pRxDmaBlkList = &obj->gdma_multiblk_list_rx;
-    _memset((void*)(pHalRuartDmaCfg->pTxHalGdmaAdapter), 0, sizeof(HAL_GDMA_ADAPTER));
-    _memset((void*)(pHalRuartDmaCfg->pRxHalGdmaAdapter), 0, sizeof(HAL_GDMA_ADAPTER));
-    _memset((void*)(pHalRuartDmaCfg->pTxDmaBlkList), 0, sizeof(UART_DMA_MULTIBLK));
-    _memset((void*)(pHalRuartDmaCfg->pRxDmaBlkList), 0, sizeof(UART_DMA_MULTIBLK));
-#endif
-
-    pHalRuartOp->HalRuartAdapterLoadDef(pHalRuartAdapter, uart_idx);
-    pHalRuartAdapter->PinmuxSelect = RTL_GET_PERI_SEL(uart_sel);
-    pHalRuartAdapter->BaudRate = 9600;
-    pHalRuartAdapter->IrqHandle.Priority = 6;
-    
-    if (HalRuartInit(pHalRuartAdapter) != HAL_OK) {
-        DBG_UART_ERR("serial_init Err!\n");
-        return;
-    }
-    pHalRuartOp->HalRuartRegIrq(pHalRuartAdapter);    
-    pHalRuartOp->HalRuartIntEnable(pHalRuartAdapter);
-
-#ifdef CONFIG_MBED_ENABLED
-init_stdio:
-    // For stdio management
-    if (uart_idx == STDIO_UART) {
-        // default setting to 38400
-        if (stdio_uart_inited) return;
-        log_uart_init(&stdio_uart_log, 38400, 8, ParityNone, 1);
-        stdio_uart_inited = 1;
-        memcpy(&stdio_uart, obj, sizeof(serial_t));
-    }
-#endif
-}
-
-void serial_free(serial_t *obj) 
-{
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-#ifdef CONFIG_GDMA_EN
-    u8  uart_idx;
-    PUART_DMA_CONFIG   pHalRuartDmaCfg;
-#endif
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        log_uart_free(&stdio_uart_log);
-        return;
-    }
-#endif 
-    pHalRuartAdapter = &(obj->hal_uart_adp);
-
-    HalRuartDeInit(pHalRuartAdapter);
-
-#ifdef CONFIG_GDMA_EN
-    uart_idx = pHalRuartAdapter->UartIndex;
-    pHalRuartDmaCfg = &obj->uart_gdma_cfg;
-    if (serial_dma_en[uart_idx] & SERIAL_RX_DMA_EN) {
-        HalRuartRxGdmaDeInit(pHalRuartDmaCfg);
-        serial_dma_en[uart_idx] &= ~SERIAL_RX_DMA_EN;
-    }
-
-    if (serial_dma_en[uart_idx] & SERIAL_TX_DMA_EN) {
-        HalRuartTxGdmaDeInit(pHalRuartDmaCfg);
-        serial_dma_en[uart_idx] &= ~SERIAL_TX_DMA_EN;
-    }    
-#endif
-}
-
-void serial_baud(serial_t *obj, int baudrate)
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        return;
-    }
-#endif
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-
-    pHalRuartAdapter = &(obj->hal_uart_adp);
-
-    pHalRuartAdapter->BaudRate = baudrate;
-    HalRuartSetBaudRate((VOID*)pHalRuartAdapter);
-}
-
-void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        log_uart_format(&stdio_uart_log, data_bits, parity, stop_bits);
-        return;
-    }
-#endif
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-    pHalRuartAdapter = &(obj->hal_uart_adp);
-    
-    if (data_bits == 8) {
-        pHalRuartAdapter->WordLen = RUART_WLS_8BITS;
-    } else {
-        pHalRuartAdapter->WordLen = RUART_WLS_7BITS;
-    }
-
-
-    switch (parity) {
-        case ParityOdd:
-        case ParityForced0:
-            pHalRuartAdapter->Parity = RUART_PARITY_ENABLE;
-            pHalRuartAdapter->ParityType = RUART_ODD_PARITY;
-            break;
-        case ParityEven:
-        case ParityForced1:
-            pHalRuartAdapter->Parity = RUART_PARITY_ENABLE;
-            pHalRuartAdapter->ParityType = RUART_EVEN_PARITY;
-            break;
-        default: // ParityNone
-            pHalRuartAdapter->Parity = RUART_PARITY_DISABLE;
-            break;
-    }
-
-    if (stop_bits == 2) {
-        pHalRuartAdapter->StopBit = RUART_STOP_BIT_2;
-    } else {
-        pHalRuartAdapter->StopBit = RUART_STOP_BIT_1;
-    }
-
-    HalRuartInit(pHalRuartAdapter);
-}
-
-/******************************************************************************
- * INTERRUPTS HANDLING
- ******************************************************************************/
-static void SerialTxDoneCallBack(VOID *pAdapter)
-{
-    PHAL_RUART_ADAPTER pHalRuartAdapter = pAdapter;
-    u8 uart_idx = pHalRuartAdapter->UartIndex;
-
-    // Mask UART TX FIFO empty
-    pHalRuartAdapter->Interrupts &= ~RUART_IER_ETBEI;
-    HalRuartSetIMRRtl8195a (pHalRuartAdapter);
-
-    if (irq_handler[uart_idx] != NULL) {
-        irq_handler[uart_idx](serial_irq_ids[uart_idx], TxIrq);
-    }
-}
-
-static void SerialRxDoneCallBack(VOID *pAdapter)
-{
-    PHAL_RUART_ADAPTER pHalRuartAdapter = pAdapter;
-    u8 uart_idx = pHalRuartAdapter->UartIndex;
-    
-    if (irq_handler[uart_idx] != NULL) {
-        irq_handler[uart_idx](serial_irq_ids[uart_idx], RxIrq);
-    }
-}
-
-void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) 
-{
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-    u8 uart_idx;
-
-    pHalRuartAdapter = &(obj->hal_uart_adp);    
-    uart_idx = pHalRuartAdapter->UartIndex;
-    
-    irq_handler[uart_idx] = handler;
-    serial_irq_ids[uart_idx] = id;        
-
-    pHalRuartAdapter->TxTDCallback = SerialTxDoneCallBack;
-    pHalRuartAdapter->TxTDCbPara = (void*)pHalRuartAdapter;
-    pHalRuartAdapter->RxDRCallback = SerialRxDoneCallBack;
-    pHalRuartAdapter->RxDRCbPara = (void*)pHalRuartAdapter;    
-}
-
-
-void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) 
-{
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-    PHAL_RUART_OP pHalRuartOp;
-    u8 uart_idx;
-
-    pHalRuartAdapter = &(obj->hal_uart_adp);
-    pHalRuartOp = &(obj->hal_uart_op);
-    uart_idx = pHalRuartAdapter->UartIndex;
-    
-    if (enable) {
-        if (irq == RxIrq) {
-            pHalRuartAdapter->Interrupts |= RUART_IER_ERBI | RUART_IER_ELSI;
-            serial_irq_en[uart_idx] |= SERIAL_RX_IRQ_EN;
-            HalRuartSetIMRRtl8195a (pHalRuartAdapter);
-         } else {
-            serial_irq_en[uart_idx] |= SERIAL_TX_IRQ_EN;
-        }
-        pHalRuartOp->HalRuartRegIrq(pHalRuartAdapter);
-        pHalRuartOp->HalRuartIntEnable(pHalRuartAdapter);
-    } else { // disable
-        if (irq == RxIrq) {
-            pHalRuartAdapter->Interrupts &= ~(RUART_IER_ERBI | RUART_IER_ELSI);
-            serial_irq_en[uart_idx] &= ~SERIAL_RX_IRQ_EN;
-        } else {
-            pHalRuartAdapter->Interrupts &= ~RUART_IER_ETBEI;
-            serial_irq_en[uart_idx] &= ~SERIAL_TX_IRQ_EN;
-        }
-        HalRuartSetIMRRtl8195a (pHalRuartAdapter);
-        if (pHalRuartAdapter->Interrupts == 0) {
-            InterruptUnRegister(&pHalRuartAdapter->IrqHandle);
-            InterruptDis(&pHalRuartAdapter->IrqHandle);
-        }
-    }
-}
-
-/******************************************************************************
- * READ/WRITE
- ******************************************************************************/
-
-int serial_getc(serial_t *obj) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        return log_uart_getc(&stdio_uart_log);
-    }
-#endif
-    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
-    u8  uart_idx = pHalRuartAdapter->UartIndex;
-
-    while (!serial_readable(obj));
-    return (int)((HAL_RUART_READ32(uart_idx, RUART_REV_BUF_REG_OFF)) & 0xFF);
-}
-
-void serial_putc(serial_t *obj, int c) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        log_uart_putc(&stdio_uart_log, (char)c);
-        return;
-    }
-#endif
-    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
-    u8  uart_idx = pHalRuartAdapter->UartIndex;
-    
-    while (!serial_writable(obj));
-    HAL_RUART_WRITE32(uart_idx, RUART_TRAN_HOLD_REG_OFF, (c & 0xFF));
-
-    if (serial_irq_en[uart_idx] & SERIAL_TX_IRQ_EN) {
-        // UnMask TX FIFO empty IRQ
-        pHalRuartAdapter->Interrupts |= RUART_IER_ETBEI;
-        HalRuartSetIMRRtl8195a (pHalRuartAdapter);
-    }
-}
-
-int serial_readable(serial_t *obj) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        return log_uart_readable(&stdio_uart_log);
-    }
-#endif
-
-    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
-    u8  uart_idx = pHalRuartAdapter->UartIndex;
-
-    if ((HAL_RUART_READ32(uart_idx, RUART_LINE_STATUS_REG_OFF)) & RUART_LINE_STATUS_REG_DR) {
-        return 1;
-    } else {
-        return 0;
-    }
-}
-
-int serial_writable(serial_t *obj) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        return log_uart_writable(&stdio_uart_log);
-    }
-#endif
-
-    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
-    u8  uart_idx = pHalRuartAdapter->UartIndex;
-
-    if (HAL_RUART_READ32(uart_idx, RUART_LINE_STATUS_REG_OFF) & 
-                        (RUART_LINE_STATUS_REG_THRE)) {
-       return 1;
-    } else {
-        return 0;
-    }
-}
-
-void serial_clear(serial_t *obj) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        log_uart_clear(&stdio_uart_log);
-        return;
-    }
-#endif
-
-    PHAL_RUART_ADAPTER pHalRuartAdapter;
-
-    pHalRuartAdapter = &(obj->hal_uart_adp);
-    HalRuartResetTRxFifo((VOID *)pHalRuartAdapter);
-}
-
-void serial_break_set(serial_t *obj) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        log_uart_break_set(&stdio_uart_log);
-        return;
-    }
-#endif
-
-    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
-    u8  uart_idx = pHalRuartAdapter->UartIndex;
-    u32 RegValue;
-
-    RegValue = HAL_RUART_READ32(uart_idx, RUART_LINE_CTL_REG_OFF);
-    RegValue |= BIT_UART_LCR_BREAK_CTRL;
-    HAL_RUART_WRITE32(uart_idx, RUART_LINE_CTL_REG_OFF, RegValue);
-}
-
-void serial_break_clear(serial_t *obj) 
-{
-#ifdef CONFIG_MBED_ENABLED
-    if(obj->index == UART_3){
-        log_uart_break_clear(&stdio_uart_log);
-        return;
-    }
-#endif
-
-    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
-    u8  uart_idx = pHalRuartAdapter->UartIndex;
-    u32 RegValue;
-
-    RegValue = HAL_RUART_READ32(uart_idx, RUART_LINE_CTL_REG_OFF);
-    RegValue &= ~(BIT_UART_LCR_BREAK_CTRL);
-    HAL_RUART_WRITE32(uart_idx, RUART_LINE_CTL_REG_OFF, RegValue);
-}
-
-void serial_pinout_tx(PinName tx) 
-{
-    pinmap_pinout(tx, PinMap_UART_TX);
-}
-
-
-#if DEVICE_SERIAL_ASYNCH 
-#endif
-#endif  //#if CONFIG_UART_EN
-