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Indicate UART activity on yellow LED.

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This commit is contained in:
Gareth McMullin 2012-06-10 15:28:01 +12:00
parent c1a34f3f59
commit c825270561
1 changed files with 7 additions and 1 deletions
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8
src/stm32/usbuart.c
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@ -99,8 +99,10 @@ void usbuart_usb_out_cb(uint8_t ep)
if(!(RCC_APB2ENR & RCC_APB2ENR_USART1EN)) if(!(RCC_APB2ENR & RCC_APB2ENR_USART1EN))
return; return;
gpio_set(LED_PORT, LED_UART);
for(int i = 0; i < len; i++) for(int i = 0; i < len; i++)
usart_send_blocking(USART1, buf[i]); usart_send_blocking(USART1, buf[i]);
gpio_clear(LED_PORT, LED_UART);
} }
static uint8_t uart_usb_buf[CDCACM_PACKET_SIZE]; static uint8_t uart_usb_buf[CDCACM_PACKET_SIZE];
@ -108,8 +110,10 @@ static uint8_t uart_usb_buf_size;
void usbuart_usb_in_cb(uint8_t ep) void usbuart_usb_in_cb(uint8_t ep)
{ {
if (!uart_usb_buf_size) if (!uart_usb_buf_size) {
gpio_clear(LED_PORT, LED_UART);
return; return;
}
usbd_ep_write_packet(ep, uart_usb_buf, uart_usb_buf_size); usbd_ep_write_packet(ep, uart_usb_buf, uart_usb_buf_size);
uart_usb_buf_size = 0; uart_usb_buf_size = 0;
@ -119,6 +123,8 @@ void usart1_isr(void)
{ {
char c = usart_recv(USART1); char c = usart_recv(USART1);
gpio_set(LED_PORT, LED_UART);
/* Try to send now */ /* Try to send now */
if (usbd_ep_write_packet(0x83, &c, 1) == 1) if (usbd_ep_write_packet(0x83, &c, 1) == 1)
return; return;