diff --git a/lib/interrupt.c b/lib/interrupt.c
index 0e4d85b..c3f9714 100644
--- a/lib/interrupt.c
+++ b/lib/interrupt.c
@@ -36,73 +36,96 @@ static void isr_handler(void)
 
 /** use the isr_handler as default ISR
  *  @note the ISR can still point to other defined function
- *  @remark from libopencm3/stm32/f1/vector_nvic.c
+ *  @remark from libopencm3/lib/stm32/f4/vector_nvic.c
  */
-#pragma weak wwdg_isr = isr_handler
-#pragma weak pvd_isr = isr_handler
-#pragma weak tamper_isr = isr_handler
-#pragma weak rtc_isr = isr_handler
-#pragma weak flash_isr = isr_handler
-#pragma weak rcc_isr = isr_handler
-#pragma weak exti0_isr = isr_handler
-#pragma weak exti1_isr = isr_handler
-#pragma weak exti2_isr = isr_handler
-#pragma weak exti3_isr = isr_handler
-#pragma weak exti4_isr = isr_handler
-#pragma weak dma1_channel1_isr = isr_handler
-#pragma weak dma1_channel2_isr = isr_handler
-#pragma weak dma1_channel3_isr = isr_handler
-#pragma weak dma1_channel4_isr = isr_handler
-#pragma weak dma1_channel5_isr = isr_handler
-#pragma weak dma1_channel6_isr = isr_handler
-#pragma weak dma1_channel7_isr = isr_handler
-#pragma weak adc1_2_isr = isr_handler
-#pragma weak usb_hp_can_tx_isr = isr_handler
-#pragma weak usb_lp_can_rx0_isr = isr_handler
-#pragma weak can_rx1_isr = isr_handler
-#pragma weak can_sce_isr = isr_handler
-#pragma weak exti9_5_isr = isr_handler
-#pragma weak tim1_brk_isr = isr_handler
-#pragma weak tim1_up_isr = isr_handler
-#pragma weak tim1_trg_com_isr = isr_handler
-#pragma weak tim1_cc_isr = isr_handler
-#pragma weak tim2_isr = isr_handler
-#pragma weak tim3_isr = isr_handler
-#pragma weak tim4_isr = isr_handler
-#pragma weak i2c1_ev_isr = isr_handler
-#pragma weak i2c1_er_isr = isr_handler
-#pragma weak i2c2_ev_isr = isr_handler
-#pragma weak i2c2_er_isr = isr_handler
-#pragma weak spi1_isr = isr_handler
-#pragma weak spi2_isr = isr_handler
-#pragma weak usart1_isr = isr_handler
-#pragma weak usart2_isr = isr_handler
-#pragma weak usart3_isr = isr_handler
-#pragma weak exti15_10_isr = isr_handler
-#pragma weak rtc_alarm_isr = isr_handler
-#pragma weak usb_wakeup_isr = isr_handler
-#pragma weak tim8_brk_isr = isr_handler
-#pragma weak tim8_up_isr = isr_handler
-#pragma weak tim8_trg_com_isr = isr_handler
-#pragma weak tim8_cc_isr = isr_handler
-#pragma weak adc3_isr = isr_handler
-#pragma weak fsmc_isr = isr_handler
-#pragma weak sdio_isr = isr_handler
-#pragma weak tim5_isr = isr_handler
-#pragma weak spi3_isr = isr_handler
-#pragma weak uart4_isr = isr_handler
-#pragma weak uart5_isr = isr_handler
-#pragma weak tim6_isr = isr_handler
-#pragma weak tim7_isr = isr_handler
-#pragma weak dma2_channel1_isr = isr_handler
-#pragma weak dma2_channel2_isr = isr_handler
-#pragma weak dma2_channel3_isr = isr_handler
-#pragma weak dma2_channel4_5_isr = isr_handler
-#pragma weak dma2_channel5_isr = isr_handler
-#pragma weak eth_isr = isr_handler
-#pragma weak eth_wkup_isr = isr_handler
-#pragma weak can2_tx_isr = isr_handler
-#pragma weak can2_rx0_isr = isr_handler
-#pragma weak can2_rx1_isr = isr_handler
-#pragma weak can2_sce_isr = isr_handler
-#pragma weak otg_fs_isr = isr_handler
+void nvic_wwdg_isr(void) __attribute__((weak, alias("isr_handler")));
+void pvd_isr(void) __attribute__((weak, alias("isr_handler")));
+void tamp_stamp_isr(void) __attribute__((weak, alias("isr_handler")));
+void rtc_wkup_isr(void) __attribute__((weak, alias("isr_handler")));
+void flash_isr(void) __attribute__((weak, alias("isr_handler")));
+void rcc_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti0_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti1_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti2_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti3_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti4_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream0_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream1_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream2_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream3_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream4_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream5_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream6_isr(void) __attribute__((weak, alias("isr_handler")));
+void adc_isr(void) __attribute__((weak, alias("isr_handler")));
+void can1_tx_isr(void) __attribute__((weak, alias("isr_handler")));
+void can1_rx0_isr(void) __attribute__((weak, alias("isr_handler")));
+void can1_rx1_isr(void) __attribute__((weak, alias("isr_handler")));
+void can1_sce_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti9_5_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim1_brk_tim9_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim1_up_tim10_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim1_trg_com_tim11_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim1_cc_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim2_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim3_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim4_isr(void) __attribute__((weak, alias("isr_handler")));
+void i2c1_ev_isr(void) __attribute__((weak, alias("isr_handler")));
+void i2c1_er_isr(void) __attribute__((weak, alias("isr_handler")));
+void i2c2_ev_isr(void) __attribute__((weak, alias("isr_handler")));
+void i2c2_er_isr(void) __attribute__((weak, alias("isr_handler")));
+void spi1_isr(void) __attribute__((weak, alias("isr_handler")));
+void spi2_isr(void) __attribute__((weak, alias("isr_handler")));
+void usart1_isr(void) __attribute__((weak, alias("isr_handler")));
+void usart2_isr(void) __attribute__((weak, alias("isr_handler")));
+void usart3_isr(void) __attribute__((weak, alias("isr_handler")));
+void exti15_10_isr(void) __attribute__((weak, alias("isr_handler")));
+void rtc_alarm_isr(void) __attribute__((weak, alias("isr_handler")));
+void usb_fs_wkup_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim8_brk_tim12_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim8_up_tim13_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim8_trg_com_tim14_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim8_cc_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma1_stream7_isr(void) __attribute__((weak, alias("isr_handler")));
+void fsmc_isr(void) __attribute__((weak, alias("isr_handler")));
+void sdio_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim5_isr(void) __attribute__((weak, alias("isr_handler")));
+void spi3_isr(void) __attribute__((weak, alias("isr_handler")));
+void uart4_isr(void) __attribute__((weak, alias("isr_handler")));
+void uart5_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim6_dac_isr(void) __attribute__((weak, alias("isr_handler")));
+void tim7_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream0_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream1_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream2_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream3_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream4_isr(void) __attribute__((weak, alias("isr_handler")));
+void eth_isr(void) __attribute__((weak, alias("isr_handler")));
+void eth_wkup_isr(void) __attribute__((weak, alias("isr_handler")));
+void can2_tx_isr(void) __attribute__((weak, alias("isr_handler")));
+void can2_rx0_isr(void) __attribute__((weak, alias("isr_handler")));
+void can2_rx1_isr(void) __attribute__((weak, alias("isr_handler")));
+void can2_sce_isr(void) __attribute__((weak, alias("isr_handler")));
+void otg_fs_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream5_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream6_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2_stream7_isr(void) __attribute__((weak, alias("isr_handler")));
+void usart6_isr(void) __attribute__((weak, alias("isr_handler")));
+void i2c3_ev_isr(void) __attribute__((weak, alias("isr_handler")));
+void i2c3_er_isr(void) __attribute__((weak, alias("isr_handler")));
+void otg_hs_ep1_out_isr(void) __attribute__((weak, alias("isr_handler")));
+void otg_hs_ep1_in_isr(void) __attribute__((weak, alias("isr_handler")));
+void otg_hs_wkup_isr(void) __attribute__((weak, alias("isr_handler")));
+void otg_hs_isr(void) __attribute__((weak, alias("isr_handler")));
+void dcmi_isr(void) __attribute__((weak, alias("isr_handler")));
+void cryp_isr(void) __attribute__((weak, alias("isr_handler")));
+void hash_rng_isr(void) __attribute__((weak, alias("isr_handler")));
+void fpu_isr(void) __attribute__((weak, alias("isr_handler")));
+void uart7_isr(void) __attribute__((weak, alias("isr_handler")));
+void uart8_isr(void) __attribute__((weak, alias("isr_handler")));
+void spi4_isr(void) __attribute__((weak, alias("isr_handler")));
+void spi5_isr(void) __attribute__((weak, alias("isr_handler")));
+void spi6_isr(void) __attribute__((weak, alias("isr_handler")));
+void sai1_isr(void) __attribute__((weak, alias("isr_handler")));
+void lcd_tft_isr(void) __attribute__((weak, alias("isr_handler")));
+void lcd_tft_err_isr(void) __attribute__((weak, alias("isr_handler")));
+void dma2d_isr(void) __attribute__((weak, alias("isr_handler")));
diff --git a/lib/interrupt.h b/lib/interrupt.h
index 3032ad9..02ea9ab 100644
--- a/lib/interrupt.h
+++ b/lib/interrupt.h
@@ -5,7 +5,6 @@
  *  @date 2018-2020
  */
 #pragma once
-#error not converted for STM32F4
 #include "libopencm3/cm3/nvic.h"
 #include "libopencm3/cm3/vector.h"