helper to compare current layer_state to user layer

Performs the same bit comparison that the layer_move
functions perform
pjrc_hid 0.5.185
Colin T.A. Gray 7 years ago committed by Jack Humbert
parent fc54d62111
commit 1620d78e73

@ -88,6 +88,16 @@ void layer_clear(void)
layer_state_set(0); layer_state_set(0);
} }
bool layer_state_is(uint8_t layer)
{
return layer_state_cmp(layer_state, layer);
}
bool layer_state_cmp(uint32_t cmp_layer_state, uint8_t layer) {
if (layer == 0) { return cmp_layer_state == 0; }
return (cmp_layer_state & (1UL<<layer)) > 0;
}
void layer_move(uint8_t layer) void layer_move(uint8_t layer)
{ {
layer_state_set(1UL<<layer); layer_state_set(1UL<<layer);

@ -51,6 +51,8 @@ void default_layer_xor(uint32_t state);
extern uint32_t layer_state; extern uint32_t layer_state;
void layer_debug(void); void layer_debug(void);
void layer_clear(void); void layer_clear(void);
bool layer_state_is(uint8_t layer);
bool layer_state_cmp(uint32_t layer1, uint8_t layer2);
void layer_move(uint8_t layer); void layer_move(uint8_t layer);
void layer_on(uint8_t layer); void layer_on(uint8_t layer);
void layer_off(uint8_t layer); void layer_off(uint8_t layer);

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