ManuelW/grbl-LPC-CoreXY
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Fixed atomic access to flags in sys.execute.

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This seems to fix the bug that caused Grbl to hang during some operations,
especially jogging.
This commit is contained in:
Krzysztof Foltman
2014-06-26 23:06:26 +01:00
parent 8ed8005f6c
commit 015d5fa191
7 changed files with 20 additions and 20 deletions
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6
serial.c
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@@ -157,9 +157,9 @@ ISR(SERIAL_RX)
// Pick off runtime command characters directly from the serial stream. These characters are
// not passed into the buffer, but these set system state flag bits for runtime execution.
switch (data) {
case CMD_STATUS_REPORT: sys.execute |= EXEC_STATUS_REPORT; break; // Set as true
case CMD_CYCLE_START: sys.execute |= EXEC_CYCLE_START; break; // Set as true
case CMD_FEED_HOLD: sys.execute |= EXEC_FEED_HOLD; break; // Set as true
case CMD_STATUS_REPORT: bit_true(sys.execute, EXEC_STATUS_REPORT); break; // Set as true
case CMD_CYCLE_START: bit_true(sys.execute, EXEC_CYCLE_START); break; // Set as true
case CMD_FEED_HOLD: bit_true(sys.execute, EXEC_FEED_HOLD); break; // Set as true
case CMD_RESET: mc_reset(); break; // Call motion control reset routine.
default: // Write character to buffer
next_head = rx_buffer_head + 1;