* stm32f4xx_hal_conf.h 2017-03-16 18:14 GMT+08:00 Louie Lu <[email protected]>:
> Da, I forgot to enable module at `stm32f4_bsp.h` > > it work now. > > Louie. > > 2017-03-16 16:12 GMT+08:00 Louie Lu <[email protected]>: > >> Hi everyone, >> >> I'm now trying to add LCD driver for STM32F429, but get a linked error >> that I can't resolve. >> >> The apps/lcdtest/src/main.c include the lcd driver header, and then used >> the defined function "hal_lcd_init": >> >> #include "stm32f429_lcd/stm32f429_lcd.h" >> int main() { >> sysinit(); >> hal_lcd_init(); >> ... >> } >> >> But when try to build and at the linking stage, it got the error message: >> >> Linking bin/targets/lcdtest/app/apps/lcdtest/lcdtest.elf >> Error: bin/targets/lcdtest/app/hw/drivers/lcd/stm32f429_lcd/hw_driv >> ers_lcd_stm32f429_lcd.a(stm32f429_lcd.o): In function `hal_lcd_init': >> repos/apache-mynewt-core/hw/drivers/lcd/stm32f429_lcd/src/stm32f429_lcd.c:56: >> undefined reference to `HAL_LTDC_Init' >> repos/apache-mynewt-core/hw/drivers/lcd/stm32f429_lcd/src/stm32f429_lcd.c:73: >> undefined reference to `HAL_LTDC_ConfigLayer' >> collect2: error: ld returned 1 exit status >> >> >> I have already checked the include in gcc by `newt build lcdtest -v >> -ldebug`, and the path of the file is included. >> >> Why will the linker still throw a error and tell me there isn't >> HAL_LTDC_init, and why will nm result tells the HAL_LTDC_Init and >> ConfigLayer is "U", not found? >> >> The git of the lcd code is here: >> https://github.com/grapherd/incubator-mynewt-core/tree/stm32f429_lcd_test >> >> code is inside: >> - apps/lcdtest >> - hw/drivers/lcd/stm32f429_lcd >> >> >> Thanks, >> Louie. >> >> >> >
