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#include "lptmr.h"
static const lptmr_user_config_t g_lptmrConfig = {
.timerMode = kLptmrTimerModeTimeCounter,
.freeRunningEnable = false,
.prescalerEnable = false,
.prescalerClockSource = kClockLptmrSrcLpoClk,
.isInterruptEnabled = true,
};
static lptmr_state_t lptmrState;
static lptmr_callback_t user_cb;
static uint32_t total_ms;
static void lptmr_call_back(void)
{
total_ms += 100;
user_cb();
}
uint32_t get_ms() {
uint32_t us = LPTMR_DRV_GetCurrentTimeUs(LPTMR0_IDX);
return total_ms + us / 1000;
}
void delay_ms(uint32_t delay)
{
uint32_t until = get_ms() + delay;
while(get_ms() < until);
}
void lptmr_init(lptmr_callback_t cb)
{
LPTMR_DRV_Init(LPTMR0_IDX, &lptmrState, &g_lptmrConfig);
LPTMR_DRV_SetTimerPeriodUs(LPTMR0_IDX, 100000);
user_cb = cb;
total_ms = 0;
LPTMR_DRV_InstallCallback(LPTMR0_IDX, lptmr_call_back);
}
void lptmr_start()
{
LPTMR_DRV_Start(LPTMR0_IDX);
}
/* vim: set expandtab ts=4 sw=4: */
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