From 97e13a30ba1aff0af84f7847f27bd5c05eeb7b5f Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Mon, 5 Jun 2017 18:32:14 -0500 Subject: [PATCH] Save over 100 bytes SRAM in pin_is_protected --- Marlin/Marlin_main.cpp | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp index c4866d89a5..5315772cdb 100644 --- a/Marlin/Marlin_main.cpp +++ b/Marlin/Marlin_main.cpp @@ -660,8 +660,8 @@ static bool send_ok[BUFSIZE]; #define host_keepalive() NOOP #endif -static inline float pgm_read_any(const float *p) { return pgm_read_float_near(p); } -static inline signed char pgm_read_any(const signed char *p) { return pgm_read_byte_near(p); } +FORCE_INLINE float pgm_read_any(const float *p) { return pgm_read_float_near(p); } +FORCE_INLINE signed char pgm_read_any(const signed char *p) { return pgm_read_byte_near(p); } #define XYZ_CONSTS_FROM_CONFIG(type, array, CONFIG) \ static const PROGMEM type array##_P[XYZ] = { X_##CONFIG, Y_##CONFIG, Z_##CONFIG }; \ @@ -6270,10 +6270,10 @@ inline void gcode_M31() { /** * Sensitive pin test for M42, M226 */ -static bool pin_is_protected(uint8_t pin) { - static const int sensitive_pins[] = SENSITIVE_PINS; +static bool pin_is_protected(const int8_t pin) { + static const int8_t sensitive_pins[] PROGMEM = SENSITIVE_PINS; for (uint8_t i = 0; i < COUNT(sensitive_pins); i++) - if (sensitive_pins[i] == pin) return true; + if (pin == (int8_t)pgm_read_byte(&sensitive_pins[i])) return true; return false; }