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mbed-os v5.9 RTC implementation

pull/7009/head
Jesse Marroquin 2018-05-17 14:35:28 -05:00 committed by Bartek Szatkowski
parent 7624a6625c
commit 11d418b749
4 changed files with 26 additions and 86 deletions
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36
targets/TARGET_Maxim/TARGET_MAX32620C/rtc_api.c
View File

@ -31,6 +31,7 @@
*******************************************************************************
*/
#include <string.h>
#include "rtc_api.h"
#include "lp_ticker_api.h"
#include "rtc.h"
@ -83,64 +84,43 @@ static void init_rtc(void)
static void overflow_handler(void)
{
MXC_RTCTMR->comp[1] += ((UINT32_MAX >> LOG2(LP_TIMER_RATE_HZ)) + 1);
RTC_ClearFlags(MXC_F_RTC_FLAGS_ASYNC_CLR_FLAGS);
RTC_ClearFlags(MXC_F_RTC_FLAGS_OVERFLOW);
}
//******************************************************************************
void rtc_init(void)
{
if (rtc_inited) {
return;
}
NVIC_SetVector(RTC3_IRQn, (uint32_t)overflow_handler);
NVIC_EnableIRQ(RTC3_IRQn);
// Enable wakeup on RTC overflow
LP_ConfigRTCWakeUp(lp_ticker_inited, 0, 0, 1);
// Enable as LP wakeup source
MXC_PWRSEQ->msk_flags |= MXC_F_PWRSEQ_FLAGS_RTC_ROLLOVER;
init_rtc();
rtc_inited = 1;
}
//******************************************************************************
void rtc_free(void)
{
if (rtc_inited) {
rtc_inited = 0;
if (lp_ticker_inited) {
RTC_DisableINT(MXC_F_RTC_FLAGS_OVERFLOW);
} else {
MXC_RTCTMR->ctrl |= MXC_F_RTC_CTRL_CLEAR;
RTC_Stop();
}
}
while (MXC_RTCTMR->ctrl & MXC_F_RTC_CTRL_PENDING);
}
//******************************************************************************
int rtc_isenabled(void)
{
return rtc_inited;
return !!RTC_IsActive();
}
//******************************************************************************
void rtc_write(time_t t)
{
if (!rtc_inited) {
rtc_init();
}
MXC_RTCTMR->comp[1] = t - (MXC_RTCTMR->timer >> LOG2(LP_TIMER_RATE_HZ));
// Wait for pending transactions
while (MXC_RTCTMR->ctrl & MXC_F_RTC_CTRL_PENDING);
}
//******************************************************************************
time_t rtc_read(void)
{
if (!rtc_inited) {
rtc_init();
}
return (MXC_RTCTMR->timer >> LOG2(LP_TIMER_RATE_HZ)) + MXC_RTCTMR->comp[1];
}

36
targets/TARGET_Maxim/TARGET_MAX32625/rtc_api.c
View File

@ -31,6 +31,7 @@
*******************************************************************************
*/
#include <string.h>
#include "rtc_api.h"
#include "lp_ticker_api.h"
#include "rtc.h"
@ -83,64 +84,43 @@ static void init_rtc(void)
static void overflow_handler(void)
{
MXC_RTCTMR->comp[1] += ((UINT32_MAX >> LOG2(LP_TIMER_RATE_HZ)) + 1);
RTC_ClearFlags(MXC_F_RTC_FLAGS_ASYNC_CLR_FLAGS);
RTC_ClearFlags(MXC_F_RTC_FLAGS_OVERFLOW);
}
//******************************************************************************
void rtc_init(void)
{
if (rtc_inited) {
return;
}
NVIC_SetVector(RTC3_IRQn, (uint32_t)overflow_handler);
NVIC_EnableIRQ(RTC3_IRQn);
// Enable wakeup on RTC overflow
LP_ConfigRTCWakeUp(lp_ticker_inited, 0, 0, 1);
// Enable as LP wakeup source
MXC_PWRSEQ->msk_flags |= MXC_F_PWRSEQ_FLAGS_RTC_ROLLOVER;
init_rtc();
rtc_inited = 1;
}
//******************************************************************************
void rtc_free(void)
{
if (rtc_inited) {
rtc_inited = 0;
if (lp_ticker_inited) {
RTC_DisableINT(MXC_F_RTC_FLAGS_OVERFLOW);
} else {
MXC_RTCTMR->ctrl |= MXC_F_RTC_CTRL_CLEAR;
RTC_Stop();
}
}
while (MXC_RTCTMR->ctrl & MXC_F_RTC_CTRL_PENDING);
}
//******************************************************************************
int rtc_isenabled(void)
{
return rtc_inited;
return !!RTC_IsActive();
}
//******************************************************************************
void rtc_write(time_t t)
{
if (!rtc_inited) {
rtc_init();
}
MXC_RTCTMR->comp[1] = t - (MXC_RTCTMR->timer >> LOG2(LP_TIMER_RATE_HZ));
// Wait for pending transactions
while (MXC_RTCTMR->ctrl & MXC_F_RTC_CTRL_PENDING);
}
//******************************************************************************
time_t rtc_read(void)
{
if (!rtc_inited) {
rtc_init();
}
return (MXC_RTCTMR->timer >> LOG2(LP_TIMER_RATE_HZ)) + MXC_RTCTMR->comp[1];
}

36
targets/TARGET_Maxim/TARGET_MAX32630/rtc_api.c
View File

@ -31,6 +31,7 @@
*******************************************************************************
*/
#include <string.h>
#include "rtc_api.h"
#include "lp_ticker_api.h"
#include "rtc.h"
@ -83,64 +84,43 @@ static void init_rtc(void)
static void overflow_handler(void)
{
MXC_RTCTMR->comp[1] += ((UINT32_MAX >> LOG2(LP_TIMER_RATE_HZ)) + 1);
RTC_ClearFlags(MXC_F_RTC_FLAGS_ASYNC_CLR_FLAGS);
RTC_ClearFlags(MXC_F_RTC_FLAGS_OVERFLOW);
}
//******************************************************************************
void rtc_init(void)
{
if (rtc_inited) {
return;
}
NVIC_SetVector(RTC3_IRQn, (uint32_t)overflow_handler);
NVIC_EnableIRQ(RTC3_IRQn);
// Enable wakeup on RTC overflow
LP_ConfigRTCWakeUp(lp_ticker_inited, 0, 0, 1);
// Enable as LP wakeup source
MXC_PWRSEQ->msk_flags |= MXC_F_PWRSEQ_FLAGS_RTC_ROLLOVER;
init_rtc();
rtc_inited = 1;
}
//******************************************************************************
void rtc_free(void)
{
if (rtc_inited) {
rtc_inited = 0;
if (lp_ticker_inited) {
RTC_DisableINT(MXC_F_RTC_FLAGS_OVERFLOW);
} else {
MXC_RTCTMR->ctrl |= MXC_F_RTC_CTRL_CLEAR;
RTC_Stop();
}
}
while (MXC_RTCTMR->ctrl & MXC_F_RTC_CTRL_PENDING);
}
//******************************************************************************
int rtc_isenabled(void)
{
return rtc_inited;
return !!RTC_IsActive();
}
//******************************************************************************
void rtc_write(time_t t)
{
if (!rtc_inited) {
rtc_init();
}
MXC_RTCTMR->comp[1] = t - (MXC_RTCTMR->timer >> LOG2(LP_TIMER_RATE_HZ));
// Wait for pending transactions
while (MXC_RTCTMR->ctrl & MXC_F_RTC_CTRL_PENDING);
}
//******************************************************************************
time_t rtc_read(void)
{
if (!rtc_inited) {
rtc_init();
}
return (MXC_RTCTMR->timer >> LOG2(LP_TIMER_RATE_HZ)) + MXC_RTCTMR->comp[1];
}

4
targets/targets.json
View File

@ -2851,7 +2851,7 @@
"macros": ["__SYSTEM_HFX=96000000","TARGET=MAX32620","TARGET_REV=0x4332","OPEN_DRAIN_LEDS"],
"extra_labels": ["Maxim", "MAX32620C"],
"supported_toolchains": ["GCC_ARM", "IAR", "ARM"],
"device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "LPTICKER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "STDIO_MESSAGES", "USTICKER"],
"device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "LPTICKER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "STDIO_MESSAGES", "USTICKER"],
"release_versions": ["2", "5"]
},
"MAX32625_BASE": {
@ -2895,7 +2895,7 @@
"macros": ["__SYSTEM_HFX=96000000", "TARGET=MAX32630", "TARGET_REV=0x4132", "BLE_HCI_UART", "OPEN_DRAIN_LEDS"],
"extra_labels": ["Maxim", "MAX32630"],
"supported_toolchains": ["GCC_ARM", "IAR", "ARM"],
"device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "LPTICKER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SERIAL_FC", "SPI", "STDIO_MESSAGES", "USTICKER"],
"device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "LPTICKER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SPI", "STDIO_MESSAGES", "USTICKER"],
"features": ["BLE"],
"release_versions": ["2", "5"]
},