Hi,
I'm trying to make github.com/.../nrf52-spi-i2c-master-ssd1306 to compile with GCC (linux). So far I've managed to get it compiled, but linking fails:
mkdir _build
Compiling file: nrf_log_backend_serial.c
..<snip>..
Assembling file: gcc_startup_nrf52.S
Compiling file: system_nrf52.c
Compiling file: ble_nus.c
Compiling file: softdevice_handler.c
Linking target: _build/nrf52832_xxaa.out
_build/nrf52832_xxaa_ssd1306.c.o: In function `twi_master_init':
/home/aj/blumm_fw_oled/src/./ssd1306.c:65: undefined reference to `nrf_drv_twi_init'
/home/aj/blumm_fw_oled/src/./ssd1306.c:69: undefined reference to `nrf_drv_twi_enable'
_build/nrf52832_xxaa_ssd1306.c.o: In function `ssd1306_command':
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
_build/nrf52832_xxaa_ssd1306.c.o:/home/aj/blumm_fw_oled/src/./ssd1306.c:225: more undefined references to `spi_transfer' follow
_build/nrf52832_xxaa_ssd1306.c.o: In function `ssd1306_command':
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
_build/nrf52832_xxaa_ssd1306.c.o:/home/aj/blumm_fw_oled/src/./ssd1306.c:218: more undefined references to `nrf_drv_twi_tx' follow
_build/nrf52832_xxaa_ssd1306.c.o: In function `ssd1306_command':
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
_build/nrf52832_xxaa_ssd1306.c.o:/home/aj/blumm_fw_oled/src/./ssd1306.c:218: more undefined references to `nrf_drv_twi_tx' follow
_build/nrf52832_xxaa_ssd1306.c.o: In function `ssd1306_command':
/home/aj/blummences to `nrf_drv_twi_tx' follow
collect2: error: ld returned 1 exit status
make: *** [../components/toolchain/gcc/Makefile.common:156: _build/nrf52832_xxaa.out] Error 1_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
/home/aj/blumm_fw_oled/src/./ssd1306.c:225: undefined reference to `spi_transfer'
_build/nrf52832_xxaa_ssd1306.c.o:/home/aj/blumm_fw_oled/src/./ssd1306.c:225: more undefined references to `spi_transfer' follow
_build/nrf52832_xxaa_ssd1306.c.o: In function `ssd1306_command':
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
/home/aj/blumm_fw_oled/src/./ssd1306.c:218: undefined reference to `nrf_drv_twi_tx'
_build/nrf52832_xxaa_ssd1306.c.o:/home/aj/blumm_fw_oled/src/./ssd1306.c:218: more undefined references to `nrf_drv_twi_tx' follow
collect2: error: ld returned 1 exit status
make: *** [../components/toolchain/gcc/Makefile.common:156: _build/nrf52832_xxaa.out] Error 1
The Linker script is:
/* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
FLASH (rx) : ORIGIN = 0x1f000, LENGTH = 0x61000
RAM (rwx) : ORIGIN = 0x20002128, LENGTH = 0xded8
}
SECTIONS
{
.fs_data :
{
PROVIDE(__start_fs_data = .);
KEEP(*(.fs_data))
PROVIDE(__stop_fs_data = .);
} > RAM
.pwr_mgmt_data :
{
PROVIDE(__start_pwr_mgmt_data = .);
KEEP(*(.pwr_mgmt_data))
PROVIDE(__stop_pwr_mgmt_data = .);
} > RAM
} INSERT AFTER .data;
INCLUDE "nrf5x_common.ld"
Any suggestion on how to solve this ? Attached is the full source without the SDK. The tree structure is given below. Directories components and external that are part of SDK are not included in the attachment:
[aj@aura-arch]: ~/blumm_fw_oled>$ tree -L 2
.
├── components
│ ├── ant
│ ├── ble
│ ├── boards
│ ├── device
│ ├── drivers_ext
│ ├── drivers_nrf
│ ├── libraries
│ ├── nfc
│ ├── proprietary_rf
│ ├── sdk_validation.h
│ ├── serialization
│ ├── softdevice
│ └── toolchain
├── external
│ ├── cifra_AES128-EAX
│ ├── fatfs
│ ├── freertos
│ ├── licenses_external.txt
│ ├── micro-ecc
│ ├── nano-pb
│ ├── nfc_adafruit_library
│ ├── nrf_cc310
│ ├── protothreads
│ ├── rtx
│ ├── segger_rtt
│ └── tiny-AES128
├── README.md
└── src
├── binary.h
├── ble_app_uart_gcc_nrf52.ld
├── glcdfont.c
├── main.c
├── Makefile
├── sdk_config.h
├── spi_module.c
├── spi_module.h
├── ssd1306.c
├── ssd1306.h
├── uart_module.c
└── uart_module.h
