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ugh, ok, need that

master
George Hotz 2018-01-28 04:32:06 -08:00
parent fd053760d9
commit 915cd84f33
1 changed files with 7 additions and 5 deletions
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12
board/drivers/uart.h
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@ -64,11 +64,13 @@ void uart_ring_process(uart_ring *q) {
if (sr & USART_SR_RXNE || sr & USART_SR_ORE) {
uint8_t c = q->uart->DR; // TODO: can drop packets
uint16_t next_w_ptr = (q->w_ptr_rx + 1) % FIFO_SIZE;
if (next_w_ptr != q->r_ptr_rx) {
q->elems_rx[q->w_ptr_rx] = c;
q->w_ptr_rx = next_w_ptr;
if (q->callback) q->callback(q);
if (q != &esp_ring) {
uint16_t next_w_ptr = (q->w_ptr_rx + 1) % FIFO_SIZE;
if (next_w_ptr != q->r_ptr_rx) {
q->elems_rx[q->w_ptr_rx] = c;
q->w_ptr_rx = next_w_ptr;
if (q->callback) q->callback(q);
}
}
}