1 files changed, 5 insertions, 5 deletions
diff --git a/gm_platform/fw/serial.h b/gm_platform/fw/serial.h
index 61ac4eb..8cec089 100644
--- a/gm_platform/fw/serial.h
+++ b/gm_platform/fw/serial.h
@@ -26,6 +26,7 @@
 #include <stdint.h>
 #include <stdarg.h>
 #include <errno.h>
+#include <stdbool.h>
 
 #include "global.h"
 
@@ -33,9 +34,10 @@ struct dma_tx_buf {
     /* The following fields are accessed only from DMA ISR */
     ssize_t xfr_start; /* Start index of running DMA transfer */
     ssize_t xfr_end; /* End index of running DMA transfer plus one */
-    ssize_t cur_packet;
-    int retransmit_rq;
-    int wraparound;
+    bool wraparound;
+    ssize_t xfr_next;
+    bool ack;
+
 
     /* The following fields are written only from non-interrupt code */
     ssize_t wr_pos; /* Next index to be written */
@@ -57,7 +59,6 @@ struct __attribute__((__packed__)) ll_pkt {
 enum ctrl_pkt_type {
     CTRL_PKT_RESET = 1,
     CTRL_PKT_ACK = 2,
-    CTRL_PKT_RETRANSMIT = 3,
 };
 
 struct __attribute__((__packed__)) ctrl_pkt {
@@ -68,7 +69,6 @@ struct __attribute__((__packed__)) ctrl_pkt {
 extern volatile struct dma_tx_buf usart_tx_buf;
 
 void usart_dma_init(void);
-int usart_dma_fifo_push(volatile struct dma_tx_buf *buf, uint8_t c);
 int usart_send_packet_nonblocking(struct ll_pkt *pkt, size_t pkt_len);
 int usart_ack_packet(uint8_t idx);