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small cleanup in usb.c

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This commit is contained in:
Mateusz Faderewski 2024-07-03 19:54:27 +02:00
parent 2bb47720e2
commit ab5b02251f
1 changed files with 25 additions and 18 deletions
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15
sw/controller/src/usb.c
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@ -174,9 +174,9 @@ static void usb_flush_packet (void) {
p.packet_pending = false;
p.packet_info.done_callback();
}
if (p.tx_state != TX_STATE_IDLE && p.tx_info.done_callback) {
p.tx_info.done_callback();
p.tx_info.done_callback = NULL;
}
}
@ -461,14 +461,22 @@ static void usb_rx_process (void) {
}
if (p.rx_state == RX_STATE_FLUSH) {
if (p.rx_args[1] > 0) {
if (usb_dma_ready()) {
if (p.rx_args[1] != 0) {
uint32_t length = (p.rx_args[1] > RX_FLUSH_LENGTH) ? RX_FLUSH_LENGTH : p.rx_args[1];
if (!p.rx_dma_running) {
fpga_reg_set(REG_USB_DMA_ADDRESS, RX_FLUSH_ADDRESS);
fpga_reg_set(REG_USB_DMA_LENGTH, length);
fpga_reg_set(REG_USB_DMA_SCR, DMA_SCR_DIRECTION | DMA_SCR_START);
p.rx_args[1] -= length;
p.rx_dma_running = true;
} else {
p.rx_args[1] -= length;
p.rx_dma_running = false;
}
}
}
if (p.rx_args[1] == 0) {
if (p.flush_response) {
p.rx_state = RX_STATE_IDLE;
p.response_pending = true;
@ -484,7 +492,6 @@ static void usb_rx_process (void) {
}
}
}
}
}
static void usb_tx_process (void) {