cpu/sam0_common: Implement gpio_ll_switch_dir

RIOT-OS · Feb 5, 2024 · 06a0537 · 06a0537
1 parent 8aab69e
commit 06a0537
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diff --git a/cpu/sam0_common/Makefile.features b/cpu/sam0_common/Makefile.features
@@ -21,6 +21,7 @@ FEATURES_PROVIDED += periph_gpio_ll_irq
 FEATURES_PROVIDED += periph_gpio_ll_irq_level_triggered_high
 FEATURES_PROVIDED += periph_gpio_ll_irq_level_triggered_low
 FEATURES_PROVIDED += periph_gpio_ll_irq_unmask
+FEATURES_PROVIDED += periph_gpio_ll_switch_dir
 FEATURES_PROVIDED += periph_i2c_reconfigure
 FEATURES_PROVIDED += periph_rtt_overflow
 FEATURES_PROVIDED += periph_rtt_set_counter

diff --git a/cpu/sam0_common/include/gpio_ll_arch.h b/cpu/sam0_common/include/gpio_ll_arch.h
@@ -106,6 +106,18 @@ static inline void gpio_ll_write(gpio_port_t port, uword_t mask)
     p->OUT.reg = mask;
 }
 
+static inline void gpio_ll_switch_dir_output(gpio_port_t port, uword_t outputs)
+{
+    PortGroup *p = (PortGroup *)port;
+    p->DIRSET.reg = outputs;
+}
+
+static inline void gpio_ll_switch_dir_input(gpio_port_t port, uword_t inputs)
+{
+    PortGroup *p = (PortGroup *)port;
+    p->DIRCLR.reg = inputs;
+}
+
 static inline gpio_port_t gpio_get_port(gpio_t pin)
 {
     return (gpio_port_t)(pin & ~(0x1f));