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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 <stdint.h>
#include <stdbool.h> #include <stdbool.h>
#include "nrf51822.h" #include "nrf51822.h"
#include "system_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_manual_peripheral_setup_needed(void);
static bool is_disabled_in_debug_needed(void); static bool is_disabled_in_debug_needed(void);
@ -43,7 +39,8 @@ void SystemCoreClockUpdate(void)
void SystemInit(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){ if (NRF_UICR->CLENR0 == 0xFFFFFFFF){
NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos); NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos);
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){ while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
@ -53,7 +50,9 @@ void SystemInit(void)
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){ 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){ 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 // 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 // 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 // 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 // that do not need it is that the new peripherals in the second generation devices (LPCOMP for
example) will not be available. */ // example) will not be available.
if (is_manual_peripheral_setup_needed()){ if (is_manual_peripheral_setup_needed()){
*(uint32_t volatile *)0x40000504 = 0xC007FFDF; *(uint32_t volatile *)0x40000504 = 0xC007FFDF;
*(uint32_t volatile *)0x40006C18 = 0x00008000; *(uint32_t volatile *)0x40006C18 = 0x00008000;
} }
/* Disable PROTENSET registers under debug, as indicated by PAN 59 "MPU: Reset value of DISABLEINDEBUG // 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 // 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. */ // https://www.nordicsemi.com/. There is no side effect of using these instruction if not needed.
if (is_disabled_in_debug_needed()){ if (is_disabled_in_debug_needed()){
NRF_MPU->DISABLEINDEBUG = MPU_DISABLEINDEBUG_DISABLEINDEBUG_Disabled << MPU_DISABLEINDEBUG_DISABLEINDEBUG_Pos; NRF_MPU->DISABLEINDEBUG = MPU_DISABLEINDEBUG_DISABLEINDEBUG_Disabled << MPU_DISABLEINDEBUG_DISABLEINDEBUG_Pos;
} }