255 lines
8.3 KiB
C
255 lines
8.3 KiB
C
|
/* -*- mode: c; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4; coding: utf-8 -*- */
|
||
|
|
/************************************************************************************
|
||
|
|
** **
|
||
|
|
** mcHF QRP Transceiver **
|
||
|
|
** K Atanassov - M0NKA 2014 **
|
||
|
|
** **
|
||
|
|
**---------------------------------------------------------------------------------**
|
||
|
|
** **
|
||
|
|
** Licence: GNU GPLv3 **
|
||
|
|
************************************************************************************/
|
||
|
|
#include "uhsdr_board.h"
|
||
|
|
#include "uhsdr_rtc.h"
|
||
|
|
|
||
|
|
#ifdef STM32F4
|
||
|
|
#include "stm32f4xx_hal_rtc.h"
|
||
|
|
#include "stm32f4xx_hal_rtc_ex.h"
|
||
|
|
#include "stm32f4xx_hal_rcc.h"
|
||
|
|
#elif defined(STM32H7)
|
||
|
|
#include "stm32h7xx_hal_rtc.h"
|
||
|
|
#include "stm32h7xx_hal_rtc_ex.h"
|
||
|
|
#include "stm32h7xx_hal_rcc.h"
|
||
|
|
#elif defined(STM32F7)
|
||
|
|
#include "stm32f7xx_hal_rtc.h"
|
||
|
|
#include "stm32f7xx_hal_rtc_ex.h"
|
||
|
|
#include "stm32f7xx_hal_rcc.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "rtc.h"
|
||
|
|
|
||
|
|
/* Private macros */
|
||
|
|
/* Internal status registers for RTC */
|
||
|
|
#define RTC_PRESENCE_REG RTC_BKP_DR1
|
||
|
|
// previously we used DR0 which is also used by the HAL Layer, so we move to DR1
|
||
|
|
|
||
|
|
#define RTC_PRESENCE_INIT_VAL 0x0001 // if we find this value after power on, we assume battery is available
|
||
|
|
#define RTC_PRESENCE_OK_VAL 0x0002 // then we set this value to rembember a clock is present
|
||
|
|
//#define RTC_PRESENCE_ACK_VAL 0x0003 // if we find this value after power on, we assume user enabled RTC
|
||
|
|
//#define RTC_PRESENCE_NACK_VAL 0x0004 // if we find this value after power on, we assume user decided against using RTC
|
||
|
|
#ifdef USE_RTC_LSE
|
||
|
|
|
||
|
|
static void RTC_LSE_Config(void) {
|
||
|
|
|
||
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
||
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
|
||
|
|
|
||
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
|
||
|
|
|
||
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
|
||
|
|
|
||
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
|
||
|
|
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
|
||
|
|
|
||
|
|
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
|
||
|
|
|
||
|
|
HAL_RCC_OscConfig(&RCC_OscInitStruct);
|
||
|
|
|
||
|
|
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
|
||
|
|
|
||
|
|
__HAL_RCC_RTC_ENABLE();
|
||
|
|
|
||
|
|
HAL_RTCEx_BKUPWrite(&hrtc,RTC_PRESENCE_REG,RTC_PRESENCE_OK_VAL);
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void Rtc_FullReset() {
|
||
|
|
__HAL_RCC_BACKUPRESET_FORCE();
|
||
|
|
}
|
||
|
|
#if 0
|
||
|
|
static void RTC_LSI_Config(void) {
|
||
|
|
|
||
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
||
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
|
||
|
|
|
||
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
|
||
|
|
|
||
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
|
||
|
|
|
||
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI;
|
||
|
|
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
|
||
|
|
|
||
|
|
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
|
||
|
|
|
||
|
|
HAL_RCC_OscConfig(&RCC_OscInitStruct);
|
||
|
|
|
||
|
|
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
|
||
|
|
|
||
|
|
__HAL_RCC_RTC_ENABLE();
|
||
|
|
|
||
|
|
HAL_RTCEx_BKUPWrite(&hrtc,RTC_PRESENCE_REG,RTC_PRESENCE_OK_VAL);
|
||
|
|
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static void Rtc_StartInternal(bool doClock)
|
||
|
|
{
|
||
|
|
|
||
|
|
|
||
|
|
if (doClock)
|
||
|
|
{
|
||
|
|
// ok, there is a battery, so let us now start the oscillator
|
||
|
|
RTC_LSE_Config();
|
||
|
|
}
|
||
|
|
// very first start of rtc
|
||
|
|
hrtc.Instance = RTC;
|
||
|
|
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
|
||
|
|
hrtc.Init.AsynchPrediv = 127;
|
||
|
|
hrtc.Init.SynchPrediv = 255;
|
||
|
|
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
|
||
|
|
hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
|
||
|
|
hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
|
||
|
|
|
||
|
|
HAL_RTC_Init(&hrtc);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Rtc_Start()
|
||
|
|
{
|
||
|
|
Rtc_StartInternal(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
bool Rtc_isEnabled()
|
||
|
|
{
|
||
|
|
bool retval = false;
|
||
|
|
#ifdef USE_RTC_LSE
|
||
|
|
|
||
|
|
// FIXME: H7 Port
|
||
|
|
#ifndef STM32H7
|
||
|
|
__HAL_RCC_PWR_CLK_ENABLE();
|
||
|
|
#else
|
||
|
|
__HAL_RCC_RTC_CLK_ENABLE();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
HAL_PWR_EnableBkUpAccess();
|
||
|
|
|
||
|
|
__HAL_RCC_RTC_ENABLE();
|
||
|
|
|
||
|
|
if (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
|
||
|
|
{
|
||
|
|
// we detected most likely a running RTC or a system capable of running an RTC since the external oscillator is running;
|
||
|
|
retval = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch(HAL_RTCEx_BKUPRead(&hrtc,RTC_PRESENCE_REG))
|
||
|
|
{
|
||
|
|
case 0:
|
||
|
|
// 0 -> cleared backup ram -> no battery or reset
|
||
|
|
// if we find the RTC_PRESENCE_INIT_VAL in the backup register next time we boot
|
||
|
|
// we know there is a battery present.
|
||
|
|
HAL_RTCEx_BKUPWrite(&hrtc,RTC_PRESENCE_REG,RTC_PRESENCE_INIT_VAL);
|
||
|
|
break;
|
||
|
|
case RTC_PRESENCE_OK_VAL:
|
||
|
|
retval = true;
|
||
|
|
ts.vbat_present = true;
|
||
|
|
break;
|
||
|
|
case RTC_PRESENCE_INIT_VAL:
|
||
|
|
ts.vbat_present = true;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
// TODO: Anything else is a problem, since who wrote a different value? Not this code!
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool Rtc_SetPpm(int16_t ppm)
|
||
|
|
{
|
||
|
|
bool retval = false;
|
||
|
|
if (ppm >= RTC_CALIB_PPM_MIN && ppm <= RTC_CALIB_PPM_MAX)
|
||
|
|
{
|
||
|
|
uint32_t calm;
|
||
|
|
uint32_t calp;
|
||
|
|
float64_t ppm2pulses = rint((float64_t)ppm * 1.048576); // = (32 * 32768) / 1000.0000
|
||
|
|
if (ppm2pulses <= 0.0) // important, we must make sure to not set calp if 0ppm
|
||
|
|
{
|
||
|
|
calm = - ppm2pulses;
|
||
|
|
calp = RTC_SMOOTHCALIB_PLUSPULSES_RESET;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
calm = 512 - ppm2pulses;
|
||
|
|
if (calm > 512)
|
||
|
|
{
|
||
|
|
calm = 0;
|
||
|
|
}
|
||
|
|
calp = RTC_SMOOTHCALIB_PLUSPULSES_SET;
|
||
|
|
}
|
||
|
|
HAL_RTCEx_SetSmoothCalib(&hrtc,RTC_SMOOTHCALIB_PERIOD_32SEC,calp,calm);
|
||
|
|
|
||
|
|
retval = true;
|
||
|
|
}
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Gets RTC current time. THIS A replacement for the not working HAL_RTC_GetTime() function/
|
||
|
|
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
|
||
|
|
* the configuration information for RTC.
|
||
|
|
* @param sTime: Pointer to Time structure
|
||
|
|
* @param Format: Specifies the format of the entered parameters.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg RTC_FORMAT_BIN: Binary data format
|
||
|
|
* @arg RTC_FORMAT_BCD: BCD data format
|
||
|
|
* @note You cannot use SubSeconds etc since these are not read due to an apparent bug in some STM32F407 silicon.
|
||
|
|
* On my STM32F407 reading the SSR will for sure stop the RTC shadow registers and cause also other troubles.
|
||
|
|
* Probably different hardware does not have this problem but we don't need subseconds anyway.
|
||
|
|
* @note You must call HAL_RTC_GetDate() after HAL_RTC_GetTime() to unlock the values
|
||
|
|
* in the higher-order calendar shadow registers to ensure consistency between the time and date values.
|
||
|
|
* Reading RTC current time locks the values in calendar shadow registers until current date is read.
|
||
|
|
* @retval HAL status
|
||
|
|
*/
|
||
|
|
|
||
|
|
// we need this to keep the compiler happy and keep the read of the DR
|
||
|
|
static volatile uint32_t dr_dummy ;
|
||
|
|
|
||
|
|
void Rtc_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format)
|
||
|
|
{
|
||
|
|
uint32_t tmpreg = 0U;
|
||
|
|
|
||
|
|
|
||
|
|
/* Check the parameters */
|
||
|
|
assert_param(IS_RTC_FORMAT(Format));
|
||
|
|
|
||
|
|
/* Get subseconds structure field from the corresponding register */
|
||
|
|
// See above:
|
||
|
|
sTime->SubSeconds = (uint32_t)(hrtc->Instance->SSR);
|
||
|
|
//sTime->SubSeconds = 0;
|
||
|
|
|
||
|
|
/* Get SecondFraction structure field from the corresponding register field*/
|
||
|
|
sTime->SecondFraction = (uint32_t)(hrtc->Instance->PRER & RTC_PRER_PREDIV_S);
|
||
|
|
// sTime->SecondFraction = 0;
|
||
|
|
|
||
|
|
/* Get the TR register */
|
||
|
|
tmpreg = (uint32_t)(hrtc->Instance->TR & RTC_TR_RESERVED_MASK);
|
||
|
|
|
||
|
|
dr_dummy = (uint32_t)hrtc->Instance->DR;
|
||
|
|
|
||
|
|
/* Fill the structure fields with the read parameters */
|
||
|
|
sTime->Hours = (uint8_t)((tmpreg & (RTC_TR_HT | RTC_TR_HU)) >> 16U);
|
||
|
|
sTime->Minutes = (uint8_t)((tmpreg & (RTC_TR_MNT | RTC_TR_MNU)) >>8U);
|
||
|
|
sTime->Seconds = (uint8_t)(tmpreg & (RTC_TR_ST | RTC_TR_SU));
|
||
|
|
sTime->TimeFormat = (uint8_t)((tmpreg & (RTC_TR_PM)) >> 16U);
|
||
|
|
|
||
|
|
/* Check the input parameters format */
|
||
|
|
if(Format == RTC_FORMAT_BIN)
|
||
|
|
{
|
||
|
|
/* Convert the time structure parameters to Binary format */
|
||
|
|
sTime->Hours = (uint8_t)RTC_Bcd2ToByte(sTime->Hours);
|
||
|
|
sTime->Minutes = (uint8_t)RTC_Bcd2ToByte(sTime->Minutes);
|
||
|
|
sTime->Seconds = (uint8_t)RTC_Bcd2ToByte(sTime->Seconds);
|
||
|
|
}
|
||
|
|
}
|