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Merge pull request #8826 from cmonr/revert-8272 

Revert "Merge pull request #8272 from NXPmicro/Ensure_RTC_OSC_Start"
pull/8835/head
Martin Kojtal 2018-11-21 08:05:41 +01:00 committed by GitHub
parent 9aef9d3661 a5bef60afe
commit e38d47fed7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 117 additions and 377 deletions
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34
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K66F/TARGET_FRDM/mbed_overrides.c
View File

@ -17,37 +17,12 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -59,6 +34,13 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
@ -73,7 +55,7 @@ void mbed_mac_address(char *mac)
// generate three CRC16's using different slices of the UUID
MAC[0] = crcSlow((const uint8_t *)UID, 8); // most significant half-word
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[2] = crcSlow((const uint8_t *)UID, 16); // least significant half word
// The network stack expects an array of 6 bytes

32
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/TARGET_FRDM/mbed_overrides.c
View File

@ -14,37 +14,12 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -56,6 +31,13 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Set the UART clock source
void serial_clock_init(void)
{

34
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/TARGET_UBRIDGE/mbed_overrides.c
View File

@ -17,18 +17,13 @@
#include "fsl_smc.h"
#include "fsl_rcm.h"
#include "fsl_pmc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
//!< this contains the wakeup source
rcm_reset_source_t kinetisResetSource;
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
void mbed_sdk_init() {
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
// check the power mode source
@ -41,26 +36,6 @@ void mbed_sdk_init()
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -72,6 +47,13 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Set the UART clock source
void serial_clock_init(void)
{

30
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/TARGET_FRDM/mbed_overrides.c
View File

@ -15,40 +15,22 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
/* Set the TPM clock source to be IRC48M, do not change as TPM2 is used for the usticker */
CLOCK_SetTpmClock(1U);
}
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Change the NMI pin to an input. This allows NMI pin to

30
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/TARGET_FRDM/mbed_overrides.c
View File

@ -15,40 +15,22 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
/* Set the TPM clock source to be IRC48M, do not change as TPM2 is used for the usticker */
CLOCK_SetTpmClock(1U);
}
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Change the NMI pin to an input. This allows NMI pin to

30
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/TARGET_FRDM/mbed_overrides.c
View File

@ -15,38 +15,20 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
}
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Change the NMI pin to an input. This allows NMI pin to

37
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/TARGET_USENSE/mbed_overrides.c
View File

@ -17,18 +17,13 @@
#include "fsl_smc.h"
#include "fsl_rcm.h"
#include "fsl_pmc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
//!< this contains the wakeup source
rcm_reset_source_t kinetisResetSource;
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
void mbed_sdk_init() {
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
// check the power mode source
@ -40,27 +35,6 @@ void mbed_sdk_init()
}
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -72,6 +46,15 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
#if DEVICE_RTC || DEVICE_LPTICKER
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
#endif
// Set the UART clock source
void serial_clock_init(void)
{

30
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW24D/TARGET_FRDM/mbed_overrides.c
View File

@ -14,38 +14,20 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
}
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Change the NMI pin to an input. This allows NMI pin to

30
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW41Z/TARGET_FRDM/mbed_overrides.c
View File

@ -14,40 +14,22 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
/* Set the TPM clock source to be OSCERCLK, do not change as TPM2 is used for the usticker */
CLOCK_SetTpmClock(2U);
}
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Change the NMI pin to an input. This allows NMI pin to

31
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K22F/TARGET_MCU_K22F512/TARGET_FRDM/mbed_overrides.c
View File

@ -15,39 +15,21 @@
*/
#include "gpio_api.h"
#include "pinmap.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main - implement here if board needs it otherwise, let
// the application override this if necessary
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
pin_function(PTA2, 1); //By default the GREEN LED is enabled. This disables it
}
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Change the NMI pin to an input. This allows NMI pin to
@ -58,4 +40,3 @@ void NMI_Handler(void)
gpio_t gpio;
gpio_init_in(&gpio, PTA4);
}

32
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K24F/TARGET_MCU_K24F1M/TARGET_RO359B/mbed_overrides.c
View File

@ -17,37 +17,12 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -59,3 +34,10 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}

34
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_FRDM/mbed_overrides.c
View File

@ -17,37 +17,12 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -59,6 +34,13 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
@ -73,7 +55,7 @@ void mbed_mac_address(char *mac)
// generate three CRC16's using different slices of the UUID
MAC[0] = crcSlow((const uint8_t *)UID, 8); // most significant half-word
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[2] = crcSlow((const uint8_t *)UID, 16); // least significant half word
// The network stack expects an array of 6 bytes

33
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_HEXIWEAR/mbed_overrides.c
View File

@ -14,36 +14,19 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}

32
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_MTS_GAMBIT/mbed_overrides.c
View File

@ -14,36 +14,16 @@
* limitations under the License.
*/
#include "gpio_api.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}

36
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_SDT64B/mbed_overrides.c
View File

@ -17,37 +17,12 @@
#define CRC16
#include "crc.h"
#include "fsl_rtc.h"
#include "fsl_clock_config.h"
// called before main
void mbed_sdk_init()
{
rtc_config_t rtc_basic_config;
uint32_t u32cTPR_counter = 0;
BOARD_BootClockRUN();
CLOCK_EnableClock(kCLOCK_Rtc0);
/* Check if the Rtc oscillator is enabled */
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) {
/* Setup the 32K RTC OSC */
RTC_Init(RTC, &rtc_basic_config);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
/* Start the RTC time counter */
RTC_StartTimer(RTC);
/* Verify TPR register reaches 4096 counts */
while (u32cTPR_counter < 4096) {
u32cTPR_counter = RTC->TPR;
}
/* 32kHz Oscillator is ready. */
RTC_Deinit(RTC);
}
}
// Change the NMI pin to an input. This allows NMI pin to
@ -59,6 +34,13 @@ void NMI_Handler(void)
gpio_init_in(&gpio, PTA4);
}
// Enable the RTC oscillator if available on the board
void rtc_setup_oscillator(RTC_Type *base)
{
/* Enable the RTC oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
// Provide ethernet devices with a semi-unique MAC address from the UUID
void mbed_mac_address(char *mac)
{
@ -73,7 +55,7 @@ void mbed_mac_address(char *mac)
// generate three CRC16's using different slices of the UUID
MAC[0] = crcSlow((const uint8_t *)UID, 8); // most significant half-word
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[1] = crcSlow((const uint8_t *)UID, 12);
MAC[2] = crcSlow((const uint8_t *)UID, 16); // least significant half word
// The network stack expects an array of 6 bytes
@ -94,3 +76,5 @@ void mbed_mac_address(char *mac)
}

5
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/lp_ticker.c
View File

@ -33,6 +33,8 @@ const ticker_info_t* lp_ticker_get_info()
static bool lp_ticker_inited = false;
extern void rtc_setup_oscillator(RTC_Type *base);
static void lptmr_isr(void)
{
LPTMR_ClearStatusFlags(LPTMR0, kLPTMR_TimerCompareFlag);
@ -50,6 +52,9 @@ void lp_ticker_init(void)
/* Setup high resolution clock - LPTMR */
LPTMR_GetDefaultConfig(&lptmrConfig);
/* Setup the RTC 32KHz oscillator */
CLOCK_EnableClock(kCLOCK_Rtc0);
rtc_setup_oscillator(RTC);
/* Use 32kHz drive */
CLOCK_SetXtal32Freq(OSC32K_CLK_HZ);

4
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/rtc_api.c
View File

@ -21,6 +21,8 @@
#include "fsl_rtc.h"
#include "PeripheralPins.h"
extern void rtc_setup_oscillator(RTC_Type *base);
static bool rtc_time_set = false;
void rtc_init(void)
@ -30,6 +32,8 @@ void rtc_init(void)
RTC_GetDefaultConfig(&rtcConfig);
RTC_Init(RTC, &rtcConfig);
/* Setup the RTC 32KHz oscillator */
rtc_setup_oscillator(RTC);
RTC_StartTimer(RTC);
}