MCUXpresso_LPC55S69/components/uart/fsl_adapter_usart.c

1102 lines
33 KiB
C

/*
* Copyright 2018 NXP
* All rights reserved.
*
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_common.h"
#include "fsl_usart.h"
#include "fsl_flexcomm.h"
#include "fsl_adapter_uart.h"
#if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U))
#include "fsl_component_timer_manager.h"
#include "fsl_usart_dma.h"
#endif /* HAL_UART_DMA_ENABLE */
/*******************************************************************************
* Definitions
******************************************************************************/
#ifndef NDEBUG
#if (defined(DEBUG_CONSOLE_ASSERT_DISABLE) && (DEBUG_CONSOLE_ASSERT_DISABLE > 0U))
#undef assert
#define assert(n)
#endif
#endif
#if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U))
/*! @brief uart RX state structure. */
typedef struct _hal_uart_dma_receive_state
{
uint8_t *volatile buffer;
volatile uint32_t bufferLength;
volatile uint32_t bufferSofar;
volatile uint32_t timeout;
volatile bool receiveAll;
} hal_uart_dma_receive_state_t;
/*! @brief uart TX state structure. */
typedef struct _hal_uart_dma_send_state
{
uint8_t *volatile buffer;
volatile uint32_t bufferLength;
volatile uint32_t bufferSofar;
volatile uint32_t timeout;
} hal_uart_dma_send_state_t;
typedef struct _hal_uart_dma_state
{
struct _hal_uart_dma_state *next;
uint8_t instance; /* USART instance */
hal_uart_dma_transfer_callback_t dma_callback;
void *dma_callback_param;
usart_dma_handle_t dmaHandle;
dma_handle_t txDmaHandle;
dma_handle_t rxDmaHandle;
hal_uart_dma_receive_state_t dma_rx;
hal_uart_dma_send_state_t dma_tx;
} hal_uart_dma_state_t;
typedef struct _uart_dma_list
{
TIMER_MANAGER_HANDLE_DEFINE(timerManagerHandle);
hal_uart_dma_state_t *dma_list;
volatile int8_t activeCount;
} hal_uart_dma_list_t;
static hal_uart_dma_list_t s_dmaHandleList;
#endif /* HAL_UART_DMA_ENABLE */
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
/*! @brief uart RX state structure. */
typedef struct _hal_uart_receive_state
{
volatile uint8_t *buffer;
volatile uint32_t bufferLength;
volatile uint32_t bufferSofar;
} hal_uart_receive_state_t;
/*! @brief uart TX state structure. */
typedef struct _hal_uart_send_state
{
volatile uint8_t *buffer;
volatile uint32_t bufferLength;
volatile uint32_t bufferSofar;
} hal_uart_send_state_t;
#endif
/*! @brief uart state structure. */
typedef struct _hal_uart_state
{
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
hal_uart_transfer_callback_t callback;
void *callbackParam;
#if (defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U))
usart_handle_t hardwareHandle;
#endif
hal_uart_receive_state_t rx;
hal_uart_send_state_t tx;
#endif
uint8_t instance;
#if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U))
hal_uart_dma_state_t *dmaHandle;
#endif /* HAL_UART_DMA_ENABLE */
#if (defined(HAL_UART_ADAPTER_LOWPOWER) && (HAL_UART_ADAPTER_LOWPOWER > 0U))
hal_uart_config_t config;
#endif
} hal_uart_state_t;
/*******************************************************************************
* Prototypes
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
static USART_Type *const s_UsartAdapterBase[] = USART_BASE_PTRS;
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
#if !(defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U))
/* Array of USART IRQ number. */
static const IRQn_Type s_UsartIRQ[] = USART_IRQS;
#endif
#endif
/*******************************************************************************
* Code
******************************************************************************/
#if ((defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U)) || \
(defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U)))
static hal_uart_status_t HAL_UartGetStatus(status_t status)
{
hal_uart_status_t uartStatus = kStatus_HAL_UartError;
switch (status)
{
case kStatus_Success:
uartStatus = kStatus_HAL_UartSuccess;
break;
case kStatus_USART_TxBusy:
uartStatus = kStatus_HAL_UartTxBusy;
break;
case kStatus_USART_RxBusy:
uartStatus = kStatus_HAL_UartRxBusy;
break;
case kStatus_USART_TxIdle:
uartStatus = kStatus_HAL_UartTxIdle;
break;
case kStatus_USART_RxIdle:
uartStatus = kStatus_HAL_UartRxIdle;
break;
case kStatus_USART_BaudrateNotSupport:
uartStatus = kStatus_HAL_UartBaudrateNotSupport;
break;
case kStatus_USART_NoiseError:
case kStatus_USART_FramingError:
case kStatus_USART_ParityError:
uartStatus = kStatus_HAL_UartProtocolError;
break;
default:
/* This comments for MISRA C-2012 Rule 16.4 */
break;
}
return uartStatus;
}
#else
static hal_uart_status_t HAL_UartGetStatus(status_t status)
{
if (kStatus_Success == status)
{
return kStatus_HAL_UartSuccess;
}
else
{
return kStatus_HAL_UartError;
}
}
#endif
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
#if (defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U))
static void HAL_UartCallback(USART_Type *base, usart_handle_t *handle, status_t status, void *callbackParam)
{
hal_uart_state_t *uartHandle;
hal_uart_status_t uartStatus = HAL_UartGetStatus(status);
assert(callbackParam);
uartHandle = (hal_uart_state_t *)callbackParam;
if (kStatus_HAL_UartProtocolError == uartStatus)
{
if (0U != uartHandle->hardwareHandle.rxDataSize)
{
uartStatus = kStatus_HAL_UartError;
}
}
if (NULL != uartHandle->callback)
{
uartHandle->callback(uartHandle, uartStatus, uartHandle->callbackParam);
}
}
#else
static void HAL_UartInterruptHandle(USART_Type *base, void *handle)
{
hal_uart_state_t *uartHandle = (hal_uart_state_t *)handle;
uint32_t status;
uint8_t instance;
if (NULL == uartHandle)
{
return;
}
instance = uartHandle->instance;
status = USART_GetStatusFlags(s_UsartAdapterBase[instance]);
/* Receive data register full */
if ((0U != (USART_FIFOSTAT_RXNOTEMPTY_MASK & status)) &&
(0U != (USART_GetEnabledInterrupts(s_UsartAdapterBase[instance]) & USART_FIFOINTENSET_RXLVL_MASK)))
{
if (NULL != uartHandle->rx.buffer)
{
uartHandle->rx.buffer[uartHandle->rx.bufferSofar++] = USART_ReadByte(s_UsartAdapterBase[instance]);
if (uartHandle->rx.bufferSofar >= uartHandle->rx.bufferLength)
{
USART_DisableInterrupts(s_UsartAdapterBase[instance],
USART_FIFOINTENCLR_RXLVL_MASK | USART_FIFOINTENCLR_RXERR_MASK);
uartHandle->rx.buffer = NULL;
if (NULL != uartHandle->callback)
{
uartHandle->callback(uartHandle, kStatus_HAL_UartRxIdle, uartHandle->callbackParam);
}
}
}
}
/* Send data register empty and the interrupt is enabled. */
if ((0U != (USART_FIFOSTAT_TXNOTFULL_MASK & status)) &&
(0U != (USART_GetEnabledInterrupts(s_UsartAdapterBase[instance]) & USART_FIFOINTENSET_TXLVL_MASK)))
{
if (NULL != uartHandle->tx.buffer)
{
USART_WriteByte(s_UsartAdapterBase[instance], uartHandle->tx.buffer[uartHandle->tx.bufferSofar++]);
if (uartHandle->tx.bufferSofar >= uartHandle->tx.bufferLength)
{
USART_DisableInterrupts(s_UsartAdapterBase[instance], USART_FIFOINTENCLR_TXLVL_MASK);
uartHandle->tx.buffer = NULL;
if (NULL != uartHandle->callback)
{
uartHandle->callback(uartHandle, kStatus_HAL_UartTxIdle, uartHandle->callbackParam);
}
}
}
}
#if 1
USART_ClearStatusFlags(s_UsartAdapterBase[instance], status);
#endif
}
static void HAL_UartInterruptHandle_Wapper(void *base, void *handle)
{
HAL_UartInterruptHandle((USART_Type *)base, handle);
}
#endif
#endif
static hal_uart_status_t HAL_UartInitCommon(hal_uart_handle_t handle, const hal_uart_config_t *config)
{
usart_config_t usartConfig;
status_t status;
assert(handle);
assert(config);
assert(config->instance < (sizeof(s_UsartAdapterBase) / sizeof(USART_Type *)));
assert(s_UsartAdapterBase[config->instance]);
assert(HAL_UART_HANDLE_SIZE >= sizeof(hal_uart_state_t));
USART_GetDefaultConfig(&usartConfig);
usartConfig.baudRate_Bps = config->baudRate_Bps;
if ((0U != config->enableRxRTS) || (0U != config->enableTxCTS))
{
usartConfig.enableHardwareFlowControl = true;
}
if (kHAL_UartParityEven == config->parityMode)
{
usartConfig.parityMode = kUSART_ParityEven;
}
else if (kHAL_UartParityOdd == config->parityMode)
{
usartConfig.parityMode = kUSART_ParityOdd;
}
else
{
usartConfig.parityMode = kUSART_ParityDisabled;
}
if (kHAL_UartTwoStopBit == config->stopBitCount)
{
usartConfig.stopBitCount = kUSART_TwoStopBit;
}
else
{
usartConfig.stopBitCount = kUSART_OneStopBit;
}
usartConfig.enableRx = (bool)config->enableRx;
usartConfig.enableTx = (bool)config->enableTx;
usartConfig.txWatermark = kUSART_TxFifo0;
usartConfig.rxWatermark = kUSART_RxFifo1;
status = USART_Init(s_UsartAdapterBase[config->instance], &usartConfig, config->srcClock_Hz);
if (kStatus_Success != status)
{
return HAL_UartGetStatus(status);
}
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartInit(hal_uart_handle_t handle, const hal_uart_config_t *uart_config)
{
hal_uart_state_t *uartHandle;
hal_uart_status_t status;
/* Init serial port */
status = HAL_UartInitCommon(handle, uart_config);
if (kStatus_HAL_UartSuccess != status)
{
return status;
}
uartHandle = (hal_uart_state_t *)handle;
uartHandle->instance = uart_config->instance;
#if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U))
uartHandle->dmaHandle = NULL;
#endif /* HAL_UART_DMA_ENABLE */
#if (defined(HAL_UART_ADAPTER_LOWPOWER) && (HAL_UART_ADAPTER_LOWPOWER > 0U))
(void)memcpy(&uartHandle->config, uart_config, sizeof(hal_uart_config_t));
#endif
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
#if (defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U))
USART_TransferCreateHandle(s_UsartAdapterBase[uart_config->instance], &uartHandle->hardwareHandle,
(usart_transfer_callback_t)HAL_UartCallback, handle);
#else
/* Enable interrupt in NVIC. */
FLEXCOMM_SetIRQHandler(s_UsartAdapterBase[uart_config->instance], HAL_UartInterruptHandle_Wapper, handle);
NVIC_SetPriority((IRQn_Type)s_UsartIRQ[uart_config->instance], HAL_UART_ISR_PRIORITY);
(void)EnableIRQ(s_UsartIRQ[uart_config->instance]);
#endif
#endif
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartDeinit(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
USART_Deinit(s_UsartAdapterBase[uartHandle->instance]);
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartReceiveBlocking(hal_uart_handle_t handle, uint8_t *data, size_t length)
{
hal_uart_state_t *uartHandle;
status_t status;
assert(handle);
assert(data);
assert(length);
uartHandle = (hal_uart_state_t *)handle;
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
if (NULL != uartHandle->rx.buffer)
{
return kStatus_HAL_UartRxBusy;
}
#endif
status = USART_ReadBlocking(s_UsartAdapterBase[uartHandle->instance], data, length);
return HAL_UartGetStatus(status);
}
hal_uart_status_t HAL_UartSendBlocking(hal_uart_handle_t handle, const uint8_t *data, size_t length)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(data);
assert(length);
uartHandle = (hal_uart_state_t *)handle;
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
if (NULL != uartHandle->tx.buffer)
{
return kStatus_HAL_UartTxBusy;
}
#endif
(void)USART_WriteBlocking(s_UsartAdapterBase[uartHandle->instance], data, length);
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartEnterLowpower(hal_uart_handle_t handle)
{
assert(handle);
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartExitLowpower(hal_uart_handle_t handle)
{
#if (defined(HAL_UART_ADAPTER_LOWPOWER) && (HAL_UART_ADAPTER_LOWPOWER > 0U))
hal_uart_state_t *uartHandle;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
(void)HAL_UartInit(handle, &uartHandle->config);
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
USART_EnableInterrupts(s_UsartAdapterBase[uartHandle->instance], USART_FIFOINTENSET_RXLVL_MASK);
#endif
#endif
return kStatus_HAL_UartSuccess;
}
#if (defined(UART_ADAPTER_NON_BLOCKING_MODE) && (UART_ADAPTER_NON_BLOCKING_MODE > 0U))
#if (defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U))
hal_uart_status_t HAL_UartTransferInstallCallback(hal_uart_handle_t handle,
hal_uart_transfer_callback_t callback,
void *callbackParam)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
uartHandle->callbackParam = callbackParam;
uartHandle->callback = callback;
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartTransferReceiveNonBlocking(hal_uart_handle_t handle, hal_uart_transfer_t *transfer)
{
hal_uart_state_t *uartHandle;
status_t status;
assert(handle);
assert(transfer);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
status = USART_TransferReceiveNonBlocking(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle,
(usart_transfer_t *)transfer, NULL);
return HAL_UartGetStatus(status);
}
hal_uart_status_t HAL_UartTransferSendNonBlocking(hal_uart_handle_t handle, hal_uart_transfer_t *transfer)
{
hal_uart_state_t *uartHandle;
status_t status;
assert(handle);
assert(transfer);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
status = USART_TransferSendNonBlocking(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle,
(usart_transfer_t *)transfer);
return HAL_UartGetStatus(status);
}
hal_uart_status_t HAL_UartTransferGetReceiveCount(hal_uart_handle_t handle, uint32_t *count)
{
hal_uart_state_t *uartHandle;
status_t status;
assert(handle);
assert(count);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
status =
USART_TransferGetReceiveCount(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle, count);
return HAL_UartGetStatus(status);
}
hal_uart_status_t HAL_UartTransferGetSendCount(hal_uart_handle_t handle, uint32_t *count)
{
hal_uart_state_t *uartHandle;
status_t status;
assert(handle);
assert(count);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
status = USART_TransferGetSendCount(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle, count);
return HAL_UartGetStatus(status);
}
hal_uart_status_t HAL_UartTransferAbortReceive(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
USART_TransferAbortReceive(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle);
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartTransferAbortSend(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
USART_TransferAbortSend(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle);
return kStatus_HAL_UartSuccess;
}
#else
/* None transactional API with non-blocking mode. */
hal_uart_status_t HAL_UartInstallCallback(hal_uart_handle_t handle,
hal_uart_transfer_callback_t callback,
void *callbackParam)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
uartHandle->callbackParam = callbackParam;
uartHandle->callback = callback;
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartReceiveNonBlocking(hal_uart_handle_t handle, uint8_t *data, size_t length)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(data);
assert(length);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
if (NULL != uartHandle->rx.buffer)
{
return kStatus_HAL_UartRxBusy;
}
uartHandle->rx.bufferLength = length;
uartHandle->rx.bufferSofar = 0;
uartHandle->rx.buffer = data;
USART_EnableInterrupts(s_UsartAdapterBase[uartHandle->instance], USART_FIFOINTENSET_RXLVL_MASK);
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartSendNonBlocking(hal_uart_handle_t handle, uint8_t *data, size_t length)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(data);
assert(length);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
if (NULL != uartHandle->tx.buffer)
{
return kStatus_HAL_UartTxBusy;
}
uartHandle->tx.bufferLength = length;
uartHandle->tx.bufferSofar = 0;
uartHandle->tx.buffer = (volatile uint8_t *)data;
USART_EnableInterrupts(s_UsartAdapterBase[uartHandle->instance], USART_FIFOINTENSET_TXLVL_MASK);
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartGetReceiveCount(hal_uart_handle_t handle, uint32_t *reCount)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(reCount);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
if (NULL != uartHandle->rx.buffer)
{
*reCount = uartHandle->rx.bufferSofar;
return kStatus_HAL_UartSuccess;
}
return kStatus_HAL_UartError;
}
hal_uart_status_t HAL_UartGetSendCount(hal_uart_handle_t handle, uint32_t *seCount)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(seCount);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
if (NULL != uartHandle->tx.buffer)
{
*seCount = uartHandle->tx.bufferSofar;
return kStatus_HAL_UartSuccess;
}
return kStatus_HAL_UartError;
}
hal_uart_status_t HAL_UartAbortReceive(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
if (NULL != uartHandle->rx.buffer)
{
USART_DisableInterrupts(s_UsartAdapterBase[uartHandle->instance],
USART_FIFOINTENCLR_RXLVL_MASK | USART_FIFOINTENCLR_RXERR_MASK);
uartHandle->rx.buffer = NULL;
}
return kStatus_HAL_UartSuccess;
}
hal_uart_status_t HAL_UartAbortSend(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
if (NULL != uartHandle->tx.buffer)
{
USART_DisableInterrupts(s_UsartAdapterBase[uartHandle->instance], USART_FIFOINTENCLR_TXLVL_MASK);
uartHandle->tx.buffer = NULL;
}
return kStatus_HAL_UartSuccess;
}
#endif
#if (defined(HAL_UART_TRANSFER_MODE) && (HAL_UART_TRANSFER_MODE > 0U))
void HAL_UartIsrFunction(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U != HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
#if 0
DisableIRQ(s_UsartIRQ[uartHandle->instance]);
#endif
USART_TransferHandleIRQ(s_UsartAdapterBase[uartHandle->instance], &uartHandle->hardwareHandle);
#if 0
NVIC_SetPriority((IRQn_Type)s_UsartIRQ[uartHandle->instance], HAL_UART_ISR_PRIORITY);
EnableIRQ(s_UsartIRQ[uartHandle->instance]);
#endif
}
#else
void HAL_UartIsrFunction(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
assert(handle);
assert(0U == HAL_UART_TRANSFER_MODE);
uartHandle = (hal_uart_state_t *)handle;
#if 0
DisableIRQ(s_UsartIRQ[uartHandle->instance]);
#endif
HAL_UartInterruptHandle(s_UsartAdapterBase[uartHandle->instance], (void *)uartHandle);
#if 0
NVIC_SetPriority((IRQn_Type)s_UsartIRQ[uartHandle->instance], HAL_UART_ISR_PRIORITY);
EnableIRQ(s_UsartIRQ[uartHandle->instance]);
#endif
}
#endif
#endif
#if (defined(HAL_UART_DMA_ENABLE) && (HAL_UART_DMA_ENABLE > 0U))
static void USART_DMACallbacks(USART_Type *base, usart_dma_handle_t *handle, status_t status, void *userData)
{
hal_uart_dma_state_t *uartDmaHandle;
hal_uart_status_t uartStatus = HAL_UartGetStatus(status);
hal_dma_callback_msg_t msg;
assert(handle);
uartDmaHandle = (hal_uart_dma_state_t *)userData;
if (NULL != uartDmaHandle->dma_callback)
{
if (kStatus_HAL_UartTxIdle == uartStatus)
{
msg.status = kStatus_HAL_UartDmaTxIdle;
msg.data = uartDmaHandle->dma_tx.buffer;
msg.dataSize = uartDmaHandle->dma_tx.bufferLength;
uartDmaHandle->dma_tx.buffer = NULL;
}
else if (kStatus_HAL_UartRxIdle == uartStatus)
{
msg.status = kStatus_HAL_UartDmaRxIdle;
msg.data = uartDmaHandle->dma_rx.buffer;
msg.dataSize = uartDmaHandle->dma_rx.bufferLength;
uartDmaHandle->dma_rx.buffer = NULL;
}
uartDmaHandle->dma_callback(uartDmaHandle, &msg, uartDmaHandle->dma_callback_param);
}
}
static void TimeoutTimer_Callbcak(void *param)
{
hal_uart_dma_list_t *uartDmaHandleList;
hal_uart_dma_state_t *uartDmaHandle;
hal_dma_callback_msg_t msg;
uint32_t newReceived = 0U;
uartDmaHandleList = &s_dmaHandleList;
uartDmaHandle = uartDmaHandleList->dma_list;
while (NULL != uartDmaHandle)
{
if ((NULL != uartDmaHandle->dma_rx.buffer) && (false == uartDmaHandle->dma_rx.receiveAll))
{
/* HAL_UartDMAGetReceiveCount(uartDmaHandle, &msg.dataSize); */
USART_TransferGetReceiveCountDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle,
&msg.dataSize);
newReceived = msg.dataSize - uartDmaHandle->dma_rx.bufferSofar;
uartDmaHandle->dma_rx.bufferSofar = msg.dataSize;
/* 1, If it is in idle state. */
if ((0U == newReceived) && (0U < uartDmaHandle->dma_rx.bufferSofar))
{
uartDmaHandle->dma_rx.timeout++;
if (uartDmaHandle->dma_rx.timeout >= HAL_UART_DMA_IDLELINE_TIMEOUT)
{
/* HAL_UartDMAAbortReceive(uartDmaHandle); */
USART_TransferAbortReceiveDMA(s_UsartAdapterBase[uartDmaHandle->instance],
&uartDmaHandle->dmaHandle);
msg.data = uartDmaHandle->dma_rx.buffer;
msg.status = kStatus_HAL_UartDmaIdleline;
uartDmaHandle->dma_rx.buffer = NULL;
uartDmaHandle->dma_callback(uartDmaHandle, &msg, uartDmaHandle->dma_callback_param);
}
}
/* 2, If got new data again. */
if ((0U < newReceived) && (0U < uartDmaHandle->dma_rx.bufferSofar))
{
uartDmaHandle->dma_rx.timeout = 0U;
}
}
uartDmaHandle = uartDmaHandle->next;
}
}
hal_uart_dma_status_t HAL_UartDMAInit(hal_uart_handle_t handle,
hal_uart_dma_handle_t dmaHandle,
hal_uart_dma_config_t *dmaConfig)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
assert(handle);
assert(dmaHandle);
/* DMA init process. */
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = (hal_uart_dma_state_t *)dmaHandle;
uartHandle->dmaHandle = uartDmaHandle;
uartDmaHandle->instance = dmaConfig->uart_instance;
DMA_Type *dmaBases[] = DMA_BASE_PTRS;
DMA_EnableChannel(dmaBases[dmaConfig->dma_instance], dmaConfig->tx_channel);
DMA_EnableChannel(dmaBases[dmaConfig->dma_instance], dmaConfig->rx_channel);
DMA_CreateHandle(&uartDmaHandle->txDmaHandle, dmaBases[dmaConfig->dma_instance], dmaConfig->tx_channel);
DMA_CreateHandle(&uartDmaHandle->rxDmaHandle, dmaBases[dmaConfig->dma_instance], dmaConfig->rx_channel);
/* Timeout timer init. */
if (0U == s_dmaHandleList.activeCount)
{
s_dmaHandleList.dma_list = uartDmaHandle;
uartDmaHandle->next = NULL;
s_dmaHandleList.activeCount++;
timer_status_t timerStatus;
timerStatus = TM_Open((timer_handle_t)s_dmaHandleList.timerManagerHandle);
assert(kStatus_TimerSuccess == timerStatus);
timerStatus =
TM_InstallCallback((timer_handle_t)s_dmaHandleList.timerManagerHandle, TimeoutTimer_Callbcak, NULL);
assert(kStatus_TimerSuccess == timerStatus);
(void)TM_Start((timer_handle_t)s_dmaHandleList.timerManagerHandle, (uint8_t)kTimerModeIntervalTimer, 1);
(void)timerStatus;
}
else
{
uartDmaHandle->next = s_dmaHandleList.dma_list;
s_dmaHandleList.dma_list = uartDmaHandle;
}
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMADeinit(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
hal_uart_dma_state_t *prev;
hal_uart_dma_state_t *curr;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
uartHandle->dmaHandle = NULL;
assert(uartDmaHandle);
/* Abort rx/tx */
/* Here we should not abort before create transfer handle. */
if (NULL != uartDmaHandle->dmaHandle.txDmaHandle)
{
USART_TransferAbortSendDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle);
}
if (NULL != uartDmaHandle->dmaHandle.rxDmaHandle)
{
USART_TransferAbortReceiveDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle);
}
/* Disable rx/tx channels */
/* Here we should not disable before create transfer handle. */
if (NULL != uartDmaHandle->dmaHandle.txDmaHandle)
{
DMA_DisableChannel(uartDmaHandle->txDmaHandle.base, uartDmaHandle->txDmaHandle.channel);
}
if (NULL != uartDmaHandle->dmaHandle.rxDmaHandle)
{
DMA_DisableChannel(uartDmaHandle->rxDmaHandle.base, uartDmaHandle->rxDmaHandle.channel);
}
/* Remove handle from list */
prev = NULL;
curr = s_dmaHandleList.dma_list;
while (curr != NULL)
{
if (curr == uartDmaHandle)
{
/* 1, if it is the first one */
if (prev == NULL)
{
s_dmaHandleList.dma_list = curr->next;
}
/* 2, if it is the last one */
else if (curr->next == NULL)
{
prev->next = NULL;
}
/* 3, if it is in the middle */
else
{
prev->next = curr->next;
}
break;
}
prev = curr;
curr = curr->next;
}
/* Reset all handle data. */
(void)memset(uartDmaHandle, 0, sizeof(hal_uart_dma_state_t));
s_dmaHandleList.activeCount = (s_dmaHandleList.activeCount > 0) ? (s_dmaHandleList.activeCount - 1) : 0;
if (0 == s_dmaHandleList.activeCount)
{
(void)TM_Close((timer_handle_t)s_dmaHandleList.timerManagerHandle);
}
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMATransferInstallCallback(hal_uart_handle_t handle,
hal_uart_dma_transfer_callback_t callback,
void *callbackParam)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
assert(uartDmaHandle);
uartDmaHandle->dma_callback = callback;
uartDmaHandle->dma_callback_param = callbackParam;
USART_TransferCreateHandleDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle,
USART_DMACallbacks, uartDmaHandle, &uartDmaHandle->txDmaHandle,
&uartDmaHandle->rxDmaHandle);
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMATransferReceive(hal_uart_handle_t handle,
uint8_t *data,
size_t length,
bool receiveAll)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
usart_transfer_t xfer;
assert(handle);
assert(data);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
assert(uartDmaHandle);
if (NULL == uartDmaHandle->dma_rx.buffer)
{
uartDmaHandle->dma_rx.buffer = data;
uartDmaHandle->dma_rx.bufferLength = length;
uartDmaHandle->dma_rx.timeout = 0U;
uartDmaHandle->dma_rx.receiveAll = receiveAll;
}
else
{
/* Already in reading process. */
return kStatus_HAL_UartDmaRxBusy;
}
xfer.data = data;
xfer.dataSize = length;
USART_TransferReceiveDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle, &xfer);
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMATransferSend(hal_uart_handle_t handle, uint8_t *data, size_t length)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
usart_transfer_t xfer;
assert(handle);
assert(data);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
assert(uartDmaHandle);
if (NULL == uartDmaHandle->dma_tx.buffer)
{
uartDmaHandle->dma_tx.buffer = data;
uartDmaHandle->dma_tx.bufferLength = length;
uartDmaHandle->dma_tx.bufferSofar = 0U;
uartDmaHandle->dma_tx.timeout = 0U;
}
else
{
/* Already in writing process. */
return kStatus_HAL_UartDmaTxBusy;
}
xfer.data = data;
xfer.dataSize = length;
USART_TransferSendDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle, &xfer);
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMAGetReceiveCount(hal_uart_handle_t handle, uint32_t *reCount)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
assert(uartDmaHandle);
if (kStatus_Success != USART_TransferGetReceiveCountDMA(s_UsartAdapterBase[uartDmaHandle->instance],
&uartDmaHandle->dmaHandle, reCount))
{
return kStatus_HAL_UartDmaError;
}
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMAGetSendCount(hal_uart_handle_t handle, uint32_t *seCount)
{
/* No get send count API */
return kStatus_HAL_UartDmaError;
}
hal_uart_dma_status_t HAL_UartDMAAbortReceive(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
assert(uartDmaHandle);
USART_TransferAbortReceiveDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle);
return kStatus_HAL_UartDmaSuccess;
}
hal_uart_dma_status_t HAL_UartDMAAbortSend(hal_uart_handle_t handle)
{
hal_uart_state_t *uartHandle;
hal_uart_dma_state_t *uartDmaHandle;
assert(handle);
uartHandle = (hal_uart_state_t *)handle;
uartDmaHandle = uartHandle->dmaHandle;
assert(uartDmaHandle);
USART_TransferAbortSendDMA(s_UsartAdapterBase[uartDmaHandle->instance], &uartDmaHandle->dmaHandle);
return kStatus_HAL_UartDmaSuccess;
}
#endif /* HAL_UART_DMA_ENABLE */