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nrf52840: add workaround for RTC errata 20 

include thered main stack for cmsis rtos
pull/3841/head
Andrzej Puzdrowski 2017-01-11 11:24:06 +01:00
parent f1c3d75c21
commit 5b36de9c4f
3 changed files with 19 additions and 3 deletions
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2
rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h
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@ -354,7 +354,7 @@ __attribute__((used)) void _mutex_release (OS_ID *mutex) {
/* Main Thread definition */
extern void pre_main (void);
#if defined(TARGET_MCU_NRF52832) ||\
#if defined(TARGET_MCU_NRF52840) ||\
defined(TARGET_MCU_NRF51822) || defined(TARGET_MCU_NRF52832) || defined (TARGET_STM32F334R8) ||\
defined(TARGET_STM32F070RB) || defined(TARGET_STM32F072RB) || \
defined(TARGET_STM32F302R8) || defined(TARGET_STM32F303K8) || defined (TARGET_STM32F334C8) ||\

16
targets/TARGET_NORDIC/TARGET_NRF5_SDK13/us_ticker.c
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@ -76,6 +76,20 @@ void COMMON_RTC_IRQ_HANDLER(void)
}
}
// Function for fix errata 20: RTC Register values are invalid
__STATIC_INLINE void errata_20(void)
{
#if defined(NRF52_ERRATA_20)
if (!softdevice_handler_is_enabled())
{
NRF_CLOCK->EVENTS_LFCLKSTARTED = 0;
NRF_CLOCK->TASKS_LFCLKSTART = 1;
while (NRF_CLOCK->EVENTS_LFCLKSTARTED == 0) {}
}
NRF_RTC1->TASKS_STOP = 0;
#endif
}
#if (defined (__ICCARM__)) && defined(TARGET_MCU_NRF51822)//IAR
__stackless __task
#endif
@ -87,6 +101,8 @@ void common_rtc_init(void)
return;
}
errata_20();
NVIC_SetVector(RTC1_IRQn, (uint32_t)RTC1_IRQHandler);
// RTC is driven by the low frequency (32.768 kHz) clock, a proper request

4
targets/targets.json
View File

@ -2560,7 +2560,7 @@
"MCU_NRF52840": {
"inherits": ["Target"],
"core": "Cortex-M4F",
"macros": ["TARGET_NRF52840", "BLE_STACK_SUPPORT_REQD", "SOFTDEVICE_PRESENT", "S140", "NRF_SD_BLE_API_VERSION=5", "NRF52840_XXAA", "NRF_DFU_SETTINGS_VERSION=1"],
"macros": ["TARGET_NRF52840", "BLE_STACK_SUPPORT_REQD", "SOFTDEVICE_PRESENT", "S140", "NRF_SD_BLE_API_VERSION=5", "NRF52840_XXAA", "NRF_DFU_SETTINGS_VERSION=1", "NRF_SD_BLE_API_VERSION=5"],
"extra_labels": ["NORDIC", "MCU_NRF52840", "NRF5_SDK13"],
"OUTPUT_EXT": "hex",
"is_disk_virtual": true,
@ -2598,7 +2598,7 @@
"NRF52840_DK": {
"supported_form_factors": ["ARDUINO"],
"inherits": ["MCU_NRF52840"],
"macros_add": ["BOARD_PCA10056", "CONFIG_GPIO_AS_PINRESET", "SWI_DISABLE0"],
"macros_add": ["BOARD_PCA10056", "CONFIG_GPIO_AS_PINRESET", "SWI_DISABLE0", "NRF52_ERRATA_20"],
"device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPI_ASYNCH", "SPISLAVE"],
"release_versions": ["2", "5"],
"device_name": "nRF52840_xxAA"