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Hardcoded location for FWID is used.

pull/159/head
tkuyucu 2014-02-04 15:03:44 +01:00
parent b77d61416f
commit 43fe5a4e44
1 changed files with 15 additions and 15 deletions
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30
libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_NRF51822/system_nrf51822.c
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@ -11,17 +11,13 @@
*/
/* NOTE: Template files (including this one) are application specific and therefore expected to
be copied into the application project folder prior to its use! */
#include <stdint.h>
#include <stdbool.h>
#include "nrf51822.h"
#include "system_nrf51822.h"
#define __SYSTEM_CLOCK (16000000UL) /*!< nRF51 devices use a fixed System Clock Frequency of 16MHz */
#define __SYSTEM_CLOCK (16000000UL) //!< nRF51 devices use a fixed System Clock Frequency of 16MHz
static bool is_manual_peripheral_setup_needed(void);
static bool is_disabled_in_debug_needed(void);
@ -43,7 +39,8 @@ void SystemCoreClockUpdate(void)
void SystemInit(void)
{
/* Write the necessary UICR values if needed */
//Write the necessary UICR and FWID values if needed
if (NRF_UICR->CLENR0 == 0xFFFFFFFF){
NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos);
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
@ -53,7 +50,9 @@ void SystemInit(void)
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
}
NRF_UICR->FWID = 0xFFFF0049;
//write FWID (NRF_UICR->FWID is readonly)
*(uint32_t *)0x10001010 = 0xFFFF0049;
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
}
@ -66,19 +65,20 @@ void SystemInit(void)
}
}
/* Prepare the peripherals for use as indicated by the PAN 26 "System: Manual setup is required
to enable the use of peripherals" found at Product Anomaly document for your device found at
https://www.nordicsemi.com/. The side effect of executing these instructions in the devices
that do not need it is that the new peripherals in the second generation devices (LPCOMP for
example) will not be available. */
// Prepare the peripherals for use as indicated by the PAN 26 "System: Manual setup is required
// to enable the use of peripherals" found at Product Anomaly document for your device found at
// https://www.nordicsemi.com/. The side effect of executing these instructions in the devices
// that do not need it is that the new peripherals in the second generation devices (LPCOMP for
// example) will not be available.
if (is_manual_peripheral_setup_needed()){
*(uint32_t volatile *)0x40000504 = 0xC007FFDF;
*(uint32_t volatile *)0x40006C18 = 0x00008000;
}
/* Disable PROTENSET registers under debug, as indicated by PAN 59 "MPU: Reset value of DISABLEINDEBUG
register is incorrect" found at Product Anomaly document four your device found at
https://www.nordicsemi.com/. There is no side effect of using these instruction if not needed. */
// Disable PROTENSET registers under debug, as indicated by PAN 59 "MPU: Reset value of DISABLEINDEBUG
// register is incorrect" found at Product Anomaly document four your device found at
// https://www.nordicsemi.com/. There is no side effect of using these instruction if not needed.
if (is_disabled_in_debug_needed()){
NRF_MPU->DISABLEINDEBUG = MPU_DISABLEINDEBUG_DISABLEINDEBUG_Disabled << MPU_DISABLEINDEBUG_DISABLEINDEBUG_Pos;
}