Can't find suitable tools to make a project with nRF51822

[Sergio T]

I have to develop a project for nRF51822 but I can't find tools that work. I tried SES and Eclipse and none can compile the examples of SDK12 (the last one that supports my development board - nRF51 DK. It's frustrating.

I develop FW for microcontrollers since more than 20 years so it is not lack of experience...

I need someone to help setup the suitable development tools... please!

[Sergio T]

The reset handler is defined in the assembly file ses_nrf51_startup.s and, in my view, it is defined. However, no matter what SDK example I load, all give the same error. The point is how to remove this error, as I have no clue how to do it.

This is a part of the file where I believe it is defined:

.section .vectors, "ax"
.code 16
.global _vectors

_vectors:
.word __stack_end__
.word reset_handler
ISR_HANDLER NMI_Handler

So, in my opinion the error is in the ses_nrf51_startup.s file.

It is also strange that compiling gives only a warning, not an error, but doesn't build, although the setting "treat warnings as errors" is set to No!

Note that the file ses_nrf51_startup.s is original, so I made no change.

[Sergio T]

This is the complete ses_nrf51_startup.s file:

/*****************************************************************************
* Copyright (c) 2013 Rowley Associates Limited. *
* *
* This file may be distributed under the terms of the License Agreement *
* provided with this software. *
* *
* THIS FILE IS PROVIDED AS IS WITH NO WARRANTY OF ANY KIND, INCLUDING THE *
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
*****************************************************************************/
.macro ISR_HANDLER name=
.section .vectors, "ax"
.word \name
.section .init, "ax"
.thumb_func
.weak \name
\name:
1: b 1b /* endless loop */
.endm

.macro ISR_RESERVED
.section .vectors, "ax"
.word 0
.endm

.syntax unified
.global reset_handler

.section .vectors, "ax"
.code 16
.global _vectors

_vectors:
.word __stack_end__
.word reset_handler
ISR_HANDLER NMI_Handler
ISR_HANDLER HardFault_Handler
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_HANDLER SVC_Handler
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_HANDLER PendSV_Handler
ISR_HANDLER SysTick_Handler
/* External Interrupts */
ISR_HANDLER POWER_CLOCK_IRQHandler
ISR_HANDLER RADIO_IRQHandler
ISR_HANDLER UART0_IRQHandler
ISR_HANDLER SPI0_TWI0_IRQHandler
ISR_HANDLER SPI1_TWI1_IRQHandler
ISR_RESERVED /*Reserved */
ISR_HANDLER GPIOTE_IRQHandler
ISR_HANDLER ADC_IRQHandler
ISR_HANDLER TIMER0_IRQHandler
ISR_HANDLER TIMER1_IRQHandler
ISR_HANDLER TIMER2_IRQHandler
ISR_HANDLER RTC0_IRQHandler
ISR_HANDLER TEMP_IRQHandler
ISR_HANDLER RNG_IRQHandler
ISR_HANDLER ECB_IRQHandler
ISR_HANDLER CCM_AAR_IRQHandler
ISR_HANDLER WDT_IRQHandler
ISR_HANDLER RTC1_IRQHandler
ISR_HANDLER QDEC_IRQHandler
ISR_HANDLER LPCOMP_IRQHandler
ISR_HANDLER SWI0_IRQHandler
ISR_HANDLER SWI1_IRQHandler
ISR_HANDLER SWI2_IRQHandler
ISR_HANDLER SWI3_IRQHandler
ISR_HANDLER SWI4_IRQHandler
ISR_HANDLER SWI5_IRQHandler
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */
ISR_RESERVED /*Reserved */

.section .init, "ax"
.thumb_func

reset_handler:

// turn on RAM blocks
.equ NRF_POWER_RAMON_ADDRESS, 0x40000524
.equ NRF_POWER_RAMONB_ADDRESS, 0x40000554
.equ NRF_POWER_RAMONx_RAMxON_ONMODE_Msk, 0x3

/* Make sure ALL RAM banks are powered on */
MOVS R1, #NRF_POWER_RAMONx_RAMxON_ONMODE_Msk

LDR R0, =NRF_POWER_RAMON_ADDRESS
LDR R2, [R0]
ORRS R2, R1
STR R2, [R0]

LDR R0, =NRF_POWER_RAMONB_ADDRESS
LDR R2, [R0]
ORRS R2, R1
STR R2, [R0]

#ifndef __NO_SYSTEM_INIT
ldr r0, =__SRAM_segment_end__
mov sp, r0
bl SystemInit
#endif

b _start

#ifndef __NO_SYSTEM_INIT
.thumb_func
.weak SystemInit
SystemInit:
bx lr
#endif

[Jørgen Holmefjord]

Can you upload your entire project? That way I can check if I see any issues with the configuration.

[Sergio T]

The project I am trying to compile is the SDK12 example ble_app_template_pca10028_s130 wihout any changes.

How can I upload the project? Sorry but I'm new in Nordic....

[Jørgen Holmefjord]

ZIP the directory and upload it to your reply like this: