1 files changed, 40 insertions, 0 deletions
diff --git a/include/fe_config_backend.h b/include/fe_config_backend.h
new file mode 100644
index 0000000..e0d6690
--- /dev/null
+++ b/include/fe_config_backend.h
@@ -0,0 +1,40 @@
+#ifndef __FE_CONFIG_BACKEND_H__
+#define __FE_CONFIG_BACKEND_H__
+
+#include <fe_global.h>
+
+#define FE_CONFIG_GPIOA RCC_AHBENR_GPIOAEN, GPIOA
+#define FE_CONFIG_GPIOB RCC_AHBENR_GPIOBEN, GPIOB
+#define FE_CONFIG_GPIOC RCC_AHBENR_GPIOCEN, GPIOC
+#define FE_CONFIG_GPIOD RCC_AHBENR_GPIODEN, GPIOD
+#define FE_CONFIG_GPIOF RCC_AHBENR_GPIOFEN, GPIOF
+
+enum fe_config_usart {
+    FE_CONFIG_USART1_PB7,
+    FE_CONFIG_USART_COUNT
+};
+
+struct fe_config_gpiodef {
+    uint32_t rcc_ahbenr_flags;
+    GPIO_TypeDef *gpio;
+    int pin_number; 
+};
+
+struct fe_config_def {
+    struct fe_config_gpiodef bootloader_enable_pin;
+    int bootloader_enable_level;
+
+    struct fe_config_gpiodef signature_disable_pin;
+    int signature_disable_level;
+
+    enum fe_config_usart usart;
+    int baudrate;
+    
+    const char *welcome_string;
+};
+
+extern const struct fe_config_def fe_config;
+
+void gpio_config(GPIO_TypeDef *gpio, int pin, int mode, int speed, int pullups, int alt);
+
+#endif /* __FE_CONFIG_BACKEND_H__ */