Druk-3D/klipper
1
0
Fork 0
mirror of https://github.com/Klipper3d/klipper.git synced 2025-12-16 21:29:58 +01:00
Code Issues Packages Projects Releases Wiki Activity

pru: Use a pointer when working with send_data array items

Browse Source 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-06-30 17:04:30 -04:00
parent da3569c490
commit c8dca0a56c
3 changed files with 14 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/pru/main.c
View File

@@ -125,19 +125,16 @@ console_sendf(const struct command_encoder *ce, va_list args)
{
// Verify space for message
uint32_t max_size = ce->max_size;
if (max_size > sizeof(SHARED_MEM->send_data[0].data))
return;
uint32_t send_push_pos = SHARED_MEM->send_push_pos;
if (readl(&SHARED_MEM->send_data[send_push_pos].count))
// Queue full
struct shared_response_buffer *s = &SHARED_MEM->send_data[send_push_pos];
if (max_size > sizeof(s->data) || readl(&s->count))
return;
// Generate message
char *buf = SHARED_MEM->send_data[send_push_pos].data;
uint32_t msglen = command_encodef(buf, max_size, ce, args);
uint32_t msglen = command_encodef(s->data, max_size, ce, args);
// Signal PRU0 to transmit message
writel(&SHARED_MEM->send_data[send_push_pos].count, msglen);
writel(&s->count, msglen);
write_r31(R31_WRITE_IRQ_SELECT | (KICK_PRU0_EVENT - R31_WRITE_IRQ_OFFSET));
SHARED_MEM->send_push_pos = (
(send_push_pos + 1) % ARRAY_SIZE(SHARED_MEM->send_data));