aboutsummaryrefslogtreecommitdiffstats
path: root/src/stm32/internal.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/stm32/internal.h')
-rw-r--r--src/stm32/internal.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/stm32/internal.h b/src/stm32/internal.h
index 6101e0f2..f0535ab9 100644
--- a/src/stm32/internal.h
+++ b/src/stm32/internal.h
@@ -18,22 +18,28 @@
#include "stm32h7xx.h"
#endif
+// gpio.c
extern GPIO_TypeDef * const digital_regs[];
-
#define GPIO(PORT, NUM) (((PORT)-'A') * 16 + (NUM))
#define GPIO2PORT(PIN) ((PIN) / 16)
#define GPIO2BIT(PIN) (1<<((PIN) % 16))
+// gpioperiph.c
#define GPIO_INPUT 0
#define GPIO_OUTPUT 1
#define GPIO_OPEN_DRAIN 0x100
#define GPIO_FUNCTION(fn) (2 | ((fn) << 4))
#define GPIO_ANALOG 3
+void gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup);
+// clockline.c
void enable_pclock(uint32_t periph_base);
int is_enabled_pclock(uint32_t periph_base);
+
+// stm32??.c
+struct cline { volatile uint32_t *en, *rst; uint32_t bit; };
+struct cline lookup_clock_line(uint32_t periph_base);
uint32_t get_pclock_frequency(uint32_t periph_base);
void gpio_clock_enable(GPIO_TypeDef *regs);
-void gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup);
#endif // internal.h