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Make Parser::seen volatile

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This commit is contained in:
Scott Lahteine 2017-05-28 18:59:02 -05:00
parent 9a305a467b
commit 0282452cea
1 changed files with 2 additions and 2 deletions
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4
Marlin/gcode.h
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@ -120,7 +120,7 @@ public:
// Code seen bit was set. If not found, value_ptr is unchanged. // Code seen bit was set. If not found, value_ptr is unchanged.
// This allows "if (seen('A')||seen('B'))" to use the last-found value. // This allows "if (seen('A')||seen('B'))" to use the last-found value.
static bool seen(const char c) { static volatile bool seen(const char c) {
const uint8_t ind = c - 'A'; const uint8_t ind = c - 'A';
if (ind >= COUNT(param)) return false; // Only A-Z if (ind >= COUNT(param)) return false; // Only A-Z
const bool b = TEST(codebits[ind >> 3], ind & 0x7); const bool b = TEST(codebits[ind >> 3], ind & 0x7);
@ -132,7 +132,7 @@ public:
// Code is found in the string. If not found, value_ptr is unchanged. // Code is found in the string. If not found, value_ptr is unchanged.
// This allows "if (seen('A')||seen('B'))" to use the last-found value. // This allows "if (seen('A')||seen('B'))" to use the last-found value.
static bool seen(const char c) { static volatile bool seen(const char c) {
const char *p = strchr(command_args, c); const char *p = strchr(command_args, c);
const bool b = !!p; const bool b = !!p;
if (b) value_ptr = DECIMAL_SIGNED(p[1]) ? &p[1] : (char*)NULL; if (b) value_ptr = DECIMAL_SIGNED(p[1]) ? &p[1] : (char*)NULL;