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add dual VCOM support

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pull/13/head
XIVN1987 4 years ago
parent e78f9826d0
commit 57dfddbca0
1 changed files with 43 additions and 43 deletions
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  1. 86
      src/vcom_serial.c

86
src/vcom_serial.c
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@ -124,7 +124,7 @@ void VCOM_LineCoding(UART_T * UARTx, VCOM_LINE_CODING * LineCfgx, volatile VCOM
} }
void UARTX_IRQHandler(UART_T * UARTx, volatile VCOM * vcomx) void UARTX_IRQHandler(UART_T * UARTx, volatile VCOM * Vcomx)
{ {
uint8_t chr; uint8_t chr;
int32_t size; int32_t size;
@ -135,22 +135,22 @@ void UARTX_IRQHandler(UART_T * UARTx, volatile VCOM * vcomx)
{ {
chr = UARTx->DAT; chr = UARTx->DAT;
if(vcomx->rx_bytes < RX_BUFF_SIZE) // Check if buffer full if(Vcomx->rx_bytes < RX_BUFF_SIZE) // Check if buffer full
{ {
vcomx->rx_buff[vcomx->rx_tail++] = chr; Vcomx->rx_buff[Vcomx->rx_tail++] = chr;
if(vcomx->rx_tail >= RX_BUFF_SIZE) if(Vcomx->rx_tail >= RX_BUFF_SIZE)
vcomx->rx_tail = 0; Vcomx->rx_tail = 0;
vcomx->rx_bytes++; Vcomx->rx_bytes++;
} }
} }
} }
if(UARTx->INTSTS & UART_INTSTS_THREIF_Msk) if(UARTx->INTSTS & UART_INTSTS_THREIF_Msk)
{ {
if(vcomx->tx_bytes) if(Vcomx->tx_bytes)
{ {
/* Fill the Tx FIFO */ /* Fill the Tx FIFO */
size = vcomx->tx_bytes; size = Vcomx->tx_bytes;
if(size >= TX_FIFO_SIZE) if(size >= TX_FIFO_SIZE)
{ {
size = TX_FIFO_SIZE; size = TX_FIFO_SIZE;
@ -158,10 +158,10 @@ void UARTX_IRQHandler(UART_T * UARTx, volatile VCOM * vcomx)
while(size) while(size)
{ {
UARTx->DAT = vcomx->tx_buff[vcomx->tx_head++]; UARTx->DAT = Vcomx->tx_buff[Vcomx->tx_head++];
if(vcomx->tx_head >= TX_BUFF_SIZE) if(Vcomx->tx_head >= TX_BUFF_SIZE)
vcomx->tx_head = 0; Vcomx->tx_head = 0;
vcomx->tx_bytes--; Vcomx->tx_bytes--;
size--; size--;
} }
} }
@ -187,79 +187,79 @@ void UART1_IRQHandler(void)
void VCOMX_TransferData(volatile VCOM * vcomx, UART_T * UARTx, uint32_t INEP, uint32_t INEP_PKT_SIZE, uint32_t OUTEP, uint32_t OUTEP_PKT_SIZE) void VCOMX_TransferData(volatile VCOM * Vcomx, UART_T * UARTx, uint32_t InEP, uint32_t InEP_MAX_PKT_SIZE, uint32_t OutEP, uint32_t OutEP_MAX_PKT_SIZE)
{ {
int32_t i, len; int32_t i, len;
/* Check whether USB is ready for next packet or not */ /* Check whether USB is ready for next packet or not */
if(vcomx->in_bytes == 0) if(Vcomx->in_bytes == 0)
{ {
/* Check whether we have new COM Rx data to send to USB or not */ /* Check whether we have new COM Rx data to send to USB or not */
if(vcomx->rx_bytes) if(Vcomx->rx_bytes)
{ {
len = vcomx->rx_bytes; len = Vcomx->rx_bytes;
if(len > INEP_PKT_SIZE) if(len > InEP_MAX_PKT_SIZE)
len = INEP_PKT_SIZE; len = InEP_MAX_PKT_SIZE;
for(i = 0; i < len; i++) for(i = 0; i < len; i++)
{ {
vcomx->in_buff[i] = vcomx->rx_buff[vcomx->rx_head++]; Vcomx->in_buff[i] = Vcomx->rx_buff[Vcomx->rx_head++];
if(vcomx->rx_head >= RX_BUFF_SIZE) if(Vcomx->rx_head >= RX_BUFF_SIZE)
vcomx->rx_head = 0; Vcomx->rx_head = 0;
} }
__disable_irq(); __disable_irq();
vcomx->rx_bytes -= len; Vcomx->rx_bytes -= len;
__enable_irq(); __enable_irq();
vcomx->in_bytes = len; Vcomx->in_bytes = len;
USBD_MemCopy((uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(INEP)), (uint8_t *)vcomx->in_buff, len); USBD_MemCopy((uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(InEP)), (uint8_t *)Vcomx->in_buff, len);
USBD_SET_PAYLOAD_LEN(INEP, len); USBD_SET_PAYLOAD_LEN(InEP, len);
} }
else else
{ {
/* Prepare a zero packet if previous packet size is EP2_MAX_PKT_SIZE and /* Prepare a zero packet if previous packet size is InEP_MAX_PKT_SIZE and
no more data to send at this moment to note Host the transfer has been done */ no more data to send at this moment to note Host the transfer has been done */
len = USBD_GET_PAYLOAD_LEN(INEP); len = USBD_GET_PAYLOAD_LEN(InEP);
if(len == INEP_PKT_SIZE) if(len == InEP_MAX_PKT_SIZE)
USBD_SET_PAYLOAD_LEN(INEP, 0); USBD_SET_PAYLOAD_LEN(InEP, 0);
} }
} }
/* Process the Bulk out data when bulk out data is ready. */ /* Process the Bulk out data when bulk out data is ready. */
if(vcomx->out_ready && (vcomx->out_bytes <= TX_BUFF_SIZE - vcomx->tx_bytes)) if(Vcomx->out_ready && (Vcomx->out_bytes <= TX_BUFF_SIZE - Vcomx->tx_bytes))
{ {
for(i = 0; i < vcomx->out_bytes; i++) for(i = 0; i < Vcomx->out_bytes; i++)
{ {
vcomx->tx_buff[vcomx->tx_tail++] = vcomx->out_ptr[i]; Vcomx->tx_buff[Vcomx->tx_tail++] = Vcomx->out_ptr[i];
if(vcomx->tx_tail >= TX_BUFF_SIZE) if(Vcomx->tx_tail >= TX_BUFF_SIZE)
vcomx->tx_tail = 0; Vcomx->tx_tail = 0;
} }
__disable_irq(); __disable_irq();
vcomx->tx_bytes += vcomx->out_bytes; Vcomx->tx_bytes += Vcomx->out_bytes;
__enable_irq(); __enable_irq();
vcomx->out_bytes = 0; Vcomx->out_bytes = 0;
vcomx->out_ready = 0; /* Clear bulk out ready flag */ Vcomx->out_ready = 0; /* Clear bulk out ready flag */
/* Ready to get next BULK out */ /* Ready to get next BULK out */
USBD_SET_PAYLOAD_LEN(OUTEP, OUTEP_PKT_SIZE); USBD_SET_PAYLOAD_LEN(OutEP, OutEP_MAX_PKT_SIZE);
} }
/* Process the software Tx FIFO */ /* Process the software Tx FIFO */
if(vcomx->tx_bytes) if(Vcomx->tx_bytes)
{ {
/* Check if Tx is working */ /* Check if Tx is working */
if((UARTx->INTEN & UART_INTEN_THREIEN_Msk) == 0) if((UARTx->INTEN & UART_INTEN_THREIEN_Msk) == 0)
{ {
/* Send one bytes out */ /* Send one bytes out */
UARTx->DAT = vcomx->tx_buff[vcomx->tx_head++]; UARTx->DAT = Vcomx->tx_buff[Vcomx->tx_head++];
if(vcomx->tx_head >= TX_BUFF_SIZE) if(Vcomx->tx_head >= TX_BUFF_SIZE)
vcomx->tx_head = 0; Vcomx->tx_head = 0;
__disable_irq(); __disable_irq();
vcomx->tx_bytes--; Vcomx->tx_bytes--;
__enable_irq(); __enable_irq();
/* Enable Tx Empty Interrupt. (Trigger first one) */ /* Enable Tx Empty Interrupt. (Trigger first one) */

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