F2 F3 deprecate (#267)

* move f3-1 to f4, remove f3
* remove f2
* remove firmware F3 for pipeline
* remove patch for F4 makefile
* fix fw makefile
* migrate bootloader to f4

firmware/targets/f4/api-hal/api-hal-gpio.c

@@ -0,0 +1,44 @@
+#include "api-hal-gpio.h"
+#include "api-hal-resources.h"
+
+// init GPIO
+void hal_gpio_init(
+    const GpioPin* gpio,
+    const GpioMode mode,
+    const GpioPull pull,
+    const GpioSpeed speed) {
+    // TODO: Alternate Functions
+    GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+    GPIO_InitStruct.Pin = gpio->pin;
+    GPIO_InitStruct.Mode = mode;
+    GPIO_InitStruct.Pull = pull;
+    GPIO_InitStruct.Speed = speed;
+
+    HAL_GPIO_Init(gpio->port, &GPIO_InitStruct);
+}
+
+bool hal_gpio_read_sd_detect(void) {
+    bool result = false;
+    
+    // TODO open record
+    const GpioPin* sd_cs_record = &sd_cs_gpio;
+
+    // configure pin as input
+    gpio_init_ex(sd_cs_record, GpioModeInput, GpioPullUp, GpioSpeedVeryHigh);
+    delay(50);
+
+    // if gpio_read == 0 return true else return false
+    result = !gpio_read(sd_cs_record);
+
+    // configure pin back
+    gpio_init_ex(sd_cs_record, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
+    delay(50);
+
+    return result;
+}
+
+void enable_cc1101_irq() {
+    HAL_NVIC_SetPriority(EXTI4_IRQn, 5, 0);
+    HAL_NVIC_EnableIRQ(EXTI4_IRQn);
+}