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usb_serial: Begun cleaning up in debug_uart_receive_callback()

This commit is contained in:
dragonmux 2022-08-19 10:39:57 +01:00 committed by Piotr Esden-Tempski
parent bc256a9201
commit 7feeb70430
1 changed files with 8 additions and 11 deletions
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19
src/platforms/common/usb_serial.c
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@ -311,14 +311,13 @@ static void debug_uart_send_callback(usbd_device *dev, uint8_t ep)
#ifndef ENABLE_RTT
static void debug_uart_receive_callback(usbd_device *dev, uint8_t ep)
{
(void)ep;
char *const tx_buf_ptr = aux_serial_current_transmit_buffer();
#if defined(STM32F0) || defined(STM32F1) || defined(STM32F3) || defined(STM32F4)
usbd_ep_nak_set(dev, CDCACM_UART_ENDPOINT, 1);
usbd_ep_nak_set(dev, ep, 1);
/* Read new packet directly into TX buffer */
char *const tx_buf_ptr = aux_serial_current_transmit_buffer();
const uint16_t len = usbd_ep_read_packet(dev, CDCACM_UART_ENDPOINT, tx_buf_ptr + buf_tx_act_sz, CDCACM_PACKET_SIZE);
const uint16_t len = usbd_ep_read_packet(dev, ep, tx_buf_ptr + buf_tx_act_sz, CDCACM_PACKET_SIZE);
#if defined(BLACKMAGIC)
/* Don't bother if uart is disabled.
@ -327,7 +326,7 @@ static void debug_uart_receive_callback(usbd_device *dev, uint8_t ep)
if(!(RCC_APB2ENR & RCC_APB2ENR_USART1EN) &&
!(RCC_APB1ENR & RCC_APB1ENR_USART2EN))
{
usbd_ep_nak_set(dev, CDCACM_UART_ENDPOINT, 0);
usbd_ep_nak_set(dev, ep, 0);
return;
}
#endif
@ -349,14 +348,12 @@ static void debug_uart_receive_callback(usbd_device *dev, uint8_t ep)
/* Enable USBUART TX packet reception if buffer has enough space */
if (TX_BUF_SIZE - buf_tx_act_sz >= CDCACM_PACKET_SIZE)
usbd_ep_nak_set(dev, CDCACM_UART_ENDPOINT, 0);
usbd_ep_nak_set(dev, ep, 0);
#elif defined(LM4F)
char buf[CDCACM_PACKET_SIZE];
int len = usbd_ep_read_packet(dev, CDCACM_UART_ENDPOINT,
buf, CDCACM_PACKET_SIZE);
const uint16_t len = usbd_ep_read_packet(dev, ep, tx_buf_ptr, CDCACM_PACKET_SIZE);
for(int i = 0; i < len; i++)
uart_send_blocking(USBUART, buf[i]);
for(uint16_t i = 0; i < len; i++)
uart_send_blocking(USBUART, tx_buf_ptr[i]);
#endif
}
#endif