reduce ep stream footprint by using is_mps512 since it only support bulk so far

This commit is contained in:
hathach
2024-09-10 18:37:53 +07:00
parent 3ab63fbc65
commit dd1822ba03
2 changed files with 14 additions and 10 deletions

View File

@@ -41,13 +41,14 @@ typedef struct TU_ATTR_PACKED {
}tu_edpt_state_t;
typedef struct {
uint8_t is_host; // 1: host, 0: device
struct TU_ATTR_PACKED {
uint8_t is_host : 1; // 1: host, 0: device
uint8_t is_mps512 : 1; // 1: 512, 0: 64 since stream is used for Bulk only
};
uint8_t ep_addr;
uint16_t ep_packetsize;
uint16_t ep_bufsize;
uint8_t* ep_buf; // TODO xfer_fifo can skip this buffer
uint8_t* ep_buf; // TODO xfer_fifo can skip this buffer
tu_fifo_t ff;
// mutex: read if rx, otherwise write
@@ -90,7 +91,7 @@ TU_ATTR_ALWAYS_INLINE static inline
void tu_edpt_stream_open(tu_edpt_stream_t* s, tusb_desc_endpoint_t const *desc_ep) {
tu_fifo_clear(&s->ff);
s->ep_addr = desc_ep->bEndpointAddress;
s->ep_packetsize = tu_edpt_packet_size(desc_ep);
s->is_mps512 = (tu_edpt_packet_size(desc_ep) == 512) ? 1 : 0;
}
TU_ATTR_ALWAYS_INLINE static inline