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Changes for RTC peripheral status

pull/10873/head
Ganesh Ramachandran 2019-07-03 17:50:26 +05:30
parent 6841f4a73a
commit 3d48b7c1cc
1 changed files with 16 additions and 8 deletions
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24
targets/TARGET_TOSHIBA/TARGET_TMPM3HQ/rtc_api.c
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@ -34,17 +34,17 @@
#define HEX2DEC(val) ((val >> 4U) * 10U + val % 16U) // Hex to Dec conversion macro
#define DEC2HEX(val) ((val / 10U) * 16U + val % 10U) // Dec to Hex conversion macro
static int flag = 0;
static int rtc_inited = 0;
static int diff_year = 100; //our RTC register only support 2000~2099
static void external_losc_enable(void);
void rtc_init(void)
{
if (!flag) {
if (!rtc_inited) {
TSB_CG_FSYSENA_IPENA23 = 1; // Enable Sys Clock for RTC
external_losc_enable(); // Enable low-speed oscillator
TSB_RTC->PAGER = 0x00; //disable clock and alarm
TSB_RTC->PAGER = 0x00; // Disable clock and alarm
while ((TSB_RTC->RESTR & RTCRESTR_RSTTMR_MASK) == RTCRESTR_RSTTMR_R_RUN) {
// Reset RTC sec counter
@ -68,24 +68,27 @@ void rtc_init(void)
TSB_RTC->MINR = (uint8_t)0x02; // Set minute value
TSB_RTC->SECR = (uint8_t)0x22; // Set second value
TSB_RTC->PAGER |= RTC_CLK_ENABLE; // Enable Clock
flag = 1; // Enable internal flag
rtc_inited = 1; // Enable RTC initialzed status
}
}
void rtc_free(void)
{
if (flag) { // Check status of RTC peripheral driver is ENABLE or DISABLE
flag = 0; // Set status of RTC peripheral driver is DISABLE
}
rtc_inited = 0; // Set status of RTC peripheral driver as DISABLE
}
int rtc_isenabled(void)
{
return flag; // Return a flag that represents status of RTC peripheral driver
return rtc_inited; // Return status of RTC peripheral driver
}
time_t rtc_read(void)
{
if (!rtc_inited) {
// Return invalid time for now!
return 0;
}
struct tm timeinfo;
uint8_t read_1 = 0U;
uint8_t read_2 = 0U;
@ -143,6 +146,11 @@ time_t rtc_read(void)
void rtc_write(time_t t)
{
if (!rtc_inited) {
// Initialize the RTC as not yet initialized
rtc_init();
}
struct tm timeinfo;
if (_rtc_localtime(t, &timeinfo, RTC_4_YEAR_LEAP_YEAR_SUPPORT) == false) {
return;