cpu/gd32v/periph_i2c: interrupt based driver

RIOT-OS · Feb 17, 2023 · 3fd04b7 · 3fd04b7
1 parent ea300c3
commit 3fd04b7
Show file tree

Hide file tree

Showing 4 changed files with 551 additions and 208 deletions.
diff --git a/cpu/gd32v/Kconfig b/cpu/gd32v/Kconfig
@@ -30,6 +30,7 @@ config CPU_FAM_GD32V
 
     select MODULE_PERIPH_CLIC if TEST_KCONFIG
     select MODULE_PERIPH_WDT if MODULE_PERIPH_PM && HAS_PERIPH_WDT
+    select MODULE_ZTIMER_USEC if MODULE_PERIPH_I2C
     select PACKAGE_NMSIS_SDK
 
 menu "GD32V configuration"

diff --git a/cpu/gd32v/Makefile.dep b/cpu/gd32v/Makefile.dep
@@ -7,4 +7,8 @@ ifneq (,$(filter periph_pm,$(USEMODULE)))
   FEATURES_REQUIRED += periph_wdt
 endif
 
+ifneq (,$(filter periph_i2c,$(USEMODULE)))
+  USEMODULE += ztimer_usec
+endif
+
 include $(RIOTCPU)/riscv_common/Makefile.dep
diff --git a/cpu/gd32v/include/periph_cpu.h b/cpu/gd32v/include/periph_cpu.h
@@ -397,7 +397,7 @@ typedef struct {
     gpio_t scl_pin;             /**< scl pin number */
     gpio_t sda_pin;             /**< sda pin number */
     uint32_t rcu_mask;          /**< bit in clock enable register */
-    uint8_t irqn;               /**< I2C event interrupt number */
+    IRQn_Type irqn;             /**< I2C event interrupt number */
 } i2c_conf_t;
 
 /**