uint_32 _kuart_int_init
(
/* [IN] the interrupt I/O initialization information */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr,
/* [IN] the rest of the name of the device opened */
char _PTR_ open_name_ptr
)
{ /* Body */
KUART_INFO_STRUCT_PTR sci_info_ptr;
KUART_INIT_STRUCT_PTR sci_init_ptr;
uint_32 result;
sci_init_ptr = int_io_dev_ptr->DEV_INIT_DATA_PTR;
result = _kuart_polled_init((pointer)sci_init_ptr, &int_io_dev_ptr->DEV_INFO_PTR, open_name_ptr);
if (result != MQX_OK) {
return(result);
}/* Endif */
sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
/* wk */
UART_MemMapPtr sci_ptr = sci_info_ptr->SCI_PTR;
sci_ptr->C2 &= 0x77;
/* end */
sci_info_ptr->OLD_ISR_DATA = _int_get_isr_data(sci_init_ptr->RX_TX_VECTOR);
sci_info_ptr->OLD_ISR_EXCEPTION_HANDLER = _int_get_exception_handler(sci_init_ptr->RX_TX_VECTOR);
/* wk */
sci_ptr->C2 &= 0x77;
/* end */
/* Init RX/TX interrupt vector */
sci_info_ptr->OLD_ISR =
// _int_install_isr(sci_init_ptr->RX_TX_VECTOR, _kuart_int_rx_tx_isr, int_io_dev_ptr);
_int_install_isr(sci_init_ptr->RX_TX_VECTOR, uart_isr, int_io_dev_ptr); // wk
/* wk */
sci_ptr->C2 &= 0x77;
/* end */
#if defined (BSP_TWRMCF51FD) || defined (BSP_TWRMCF51JF) || defined (BSP_TWRMCF51QM)
#else
/* Init RX interrupt vector */
sci_info_ptr->OLD_ISR =
_int_install_isr(sci_init_ptr->ERR_VECTOR, _kuart_int_err_isr, int_io_dev_ptr);
_cortex_int_init(sci_init_ptr->RX_TX_VECTOR, sci_init_ptr->RX_TX_PRIORITY, TRUE);
_cortex_int_init(sci_init_ptr->ERR_VECTOR, sci_init_ptr->ERR_PRIORITY, TRUE);
#endif
return(MQX_OK);
} /* Endbody */
uint32_t _kuart_mix_init
(
/* [IN] the interrupt I/O initialization information */
IO_SERIAL_INT_DEVICE_STRUCT_PTR int_io_dev_ptr,
/* [IN] the rest of the name of the device opened */
char * open_name_ptr
)
{ /* Body */
KUART_INFO_STRUCT_PTR sci_info_ptr;
KUART_INIT_STRUCT_PTR sci_init_ptr;
uint32_t result = MQX_OK;
//Init basic uart setting
sci_init_ptr = int_io_dev_ptr->DEV_INIT_DATA_PTR;
result = _kuart_polled_init((void *)sci_init_ptr, &int_io_dev_ptr->DEV_INFO_PTR, open_name_ptr);
if (result != MQX_OK) {
return(result);
}/* Endif */
sci_info_ptr = int_io_dev_ptr->DEV_INFO_PTR;
sci_info_ptr->RX_KEEP = 1;
/* Add a timer config to check the UART RX state */
sci_info_ptr->LW_TIMER_PTR = (LWTIMER_PERIOD_STRUCT_PTR)_mem_alloc_system_zero(sizeof(LWTIMER_PERIOD_STRUCT) + sizeof(LWTIMER_STRUCT));
if (!sci_info_ptr->LW_TIMER_PTR)
{
result = MQX_OUT_OF_MEMORY;
goto error_free_timer;
}
sci_info_ptr->LW_TIMER = (LWTIMER_STRUCT_PTR)((uint8_t *)sci_info_ptr->LW_TIMER_PTR + sizeof(LWTIMER_PERIOD_STRUCT));
_time_init_ticks(&sci_info_ptr->ticks, 1);
_lwtimer_create_periodic_queue(sci_info_ptr->LW_TIMER_PTR ,*(uint32_t *)(&sci_info_ptr->ticks), 0);
_lwtimer_add_timer_to_queue(
sci_info_ptr->LW_TIMER_PTR,
sci_info_ptr->LW_TIMER,
0,
_kuart_period_isr,
(void *)int_io_dev_ptr);
/* RX DMA setting */
sci_info_ptr->RX_BUF = _mem_alloc_system_zero_uncached(sci_init_ptr->IQUEUE_SIZE);
sci_info_ptr->RX_ACTIVE = sci_info_ptr->RX_BUF;
if (!sci_info_ptr->RX_BUF)
{
result = MQX_OUT_OF_MEMORY;
goto error_free_buf;
}
sci_info_ptr->RX_DMA_CHAN = sci_init_ptr->RX_DMA_CHANNEL;
sci_info_ptr->RX_DMA_HARDWARE_REQUEST = _bsp_get_serial_rx_dma_request(sci_init_ptr->DEVICE);
#if PSP_MQX_CPU_IS_KINETIS
sci_info_ptr->ERR_INT = _bsp_get_serial_error_int_num(sci_init_ptr->DEVICE);
#endif
sci_info_ptr->RX_DMA_SEQ = 0;
result = dma_channel_claim(&sci_info_ptr->RX_DCH, sci_info_ptr->RX_DMA_CHAN);
if (result != MQX_OK)
{
goto error_free_channel;
}
result = dma_callback_reg(sci_info_ptr->RX_DCH, _kuart_dma_rx_isr, int_io_dev_ptr);
dma_channel_setup(sci_info_ptr->RX_DCH, 1, DMA_CHANNEL_FLAG_LOOP_MODE);
dma_request_source(sci_info_ptr->RX_DCH, sci_info_ptr->RX_DMA_HARDWARE_REQUEST);
if (result != MQX_OK)
{
goto error_free_channel;
}
/* Init RX/TX interrupt vector */
sci_info_ptr->OLD_ISR_TXRX_DATA = _int_get_isr_data(sci_init_ptr->RX_TX_VECTOR);
sci_info_ptr->OLD_ISR_EXCEPTION_HANDLER = _int_get_exception_handler(sci_init_ptr->RX_TX_VECTOR);
sci_info_ptr->OLD_ISR_TXRX =
_int_install_isr(sci_init_ptr->RX_TX_VECTOR, _kuart_mix_int_tx_isr, int_io_dev_ptr);
_bsp_int_init(sci_init_ptr->RX_TX_VECTOR, sci_init_ptr->RX_TX_PRIORITY, 0, TRUE);
/* Init mix error vector */
sci_info_ptr->OLD_ISR_ERR =
_int_install_isr(sci_info_ptr->ERR_INT, _kuart_mix_err_isr, int_io_dev_ptr);
_bsp_int_init(sci_info_ptr->ERR_INT, sci_init_ptr->ERR_PRIORITY, 0, TRUE);
/* config the UART RX channel first */
_kuart_prepare_rx_dma(int_io_dev_ptr);
return(MQX_OK);
error_free_timer:
if (!sci_info_ptr->LW_TIMER_PTR)
_mem_free(sci_info_ptr->LW_TIMER_PTR);
error_free_channel:
dma_channel_release(sci_info_ptr->RX_DCH);
error_free_buf:
if (sci_info_ptr->RX_BUF)
_mem_free(sci_info_ptr->RX_BUF);
return result;
} /* Endbody */
