Steins7/stm32f1xx_HBL
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base: Steins7:70e6cd2d1960380969b19085010e8e9266edb74b
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Steins7:master
Steins7:cad
Steins7:task_fix
Steins7:dev
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compare: Steins7:ec9f5f85fb2d976fbd355fe3d523819fe30247d0
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Steins7:cad
Steins7:task_fix
Steins7:dev
Steins7:master

No commits in common. "70e6cd2d1960380969b19085010e8e9266edb74b" and "ec9f5f85fb2d976fbd355fe3d523819fe30247d0" have entirely different histories.
70e6cd2d19 ... ec9f5f85fb

3 changed files with 4 additions and 25 deletions
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5
drv/bkp.c
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@ -193,11 +193,6 @@ static uint32_t compute_prescaler(uint32_t period_ms,
return (period_ms * prescaler) / 1000; return (period_ms * prescaler) / 1000;
} }
/**
* LSI callibration callback. Measures the LSI deviation from its theorical
* frequency using the RTC and stores the effective frequency for calibration
* purposes
*/
static void lsi_calib_callback(enum TimIRQSource src) static void lsi_calib_callback(enum TimIRQSource src)
{ {
if (src == TIM_IRQ_SOURCE_UPDATE) { if (src == TIM_IRQ_SOURCE_UPDATE) {

18
drv/bkp.h
View File

@ -70,8 +70,7 @@ typedef void (*BkpRtcCallback)(enum BkpRtcIrq src);
* - LSE consumes the less energy and continues to run in standby mode, but * - LSE consumes the less energy and continues to run in standby mode, but
* requires an extra oscillator circuit * requires an extra oscillator circuit
* - LSI consumes little but isn't very accurate and requires extra calibration * - LSI consumes little but isn't very accurate and requires extra calibration
* (see bkp_callibrate_lsi). The calibration value is automatically used if * (see bkp_callibrate_lsi)
* present when calling this function.
* - HSE consumes the most. * - HSE consumes the most.
* WARNING : once configured, the clock source can only changed by reseting the * WARNING : once configured, the clock source can only changed by reseting the
* whole backup domain via bkp_reset() * whole backup domain via bkp_reset()
@ -108,24 +107,9 @@ uint32_t bkp_read_rtc_div(void);
*/ */
void bkp_reset(void); void bkp_reset(void);
/**
* Writes data to the specified backup domain index. The data will persist as
* long as VBAT is present
*/
void bkp_write_data(enum BkpData data_index, uint16_t data); void bkp_write_data(enum BkpData data_index, uint16_t data);
/**
* Writes data from the specified backup domain data index. The data will
* persist as long as VBAT is present
*/
uint16_t bkp_read_data(enum BkpData data_index); uint16_t bkp_read_data(enum BkpData data_index);
/**
* Calibrate the LSI oscillator using the specified timer for accurate RTC
* timings and store the calibration value at backup domain index
* BKP_DATA_LSI_CALIB. This function has no effect if a calibration value is
* already present
*/
void bkp_calibrate_lsi(enum TimPeriph timer); void bkp_calibrate_lsi(enum TimPeriph timer);
//unimplemented functions //unimplemented functions

6
drv/pwr.c
View File

@ -26,7 +26,7 @@ static volatile struct PWR* regs = (struct PWR*)PWR_BASE_ADDRESS;
void pwr_sleep(void) void pwr_sleep(void)
{ {
scb_configure_deepsleep(false); scb_configure_deepsleep(false);
__asm("wfe"); __asm("wfi");
} }
void pwr_stop(enum PwrWakeupSpeed speed) void pwr_stop(enum PwrWakeupSpeed speed)
@ -35,7 +35,7 @@ void pwr_stop(enum PwrWakeupSpeed speed)
scb_configure_deepsleep(true); scb_configure_deepsleep(true);
regs->CR.PDDS = 0; regs->CR.PDDS = 0;
regs->CR.LPDS = speed; regs->CR.LPDS = speed;
__asm("wfe"); __asm("wfi");
rcc_configure(RCC_PRESET_SPEED); rcc_configure(RCC_PRESET_SPEED);
} }
@ -44,7 +44,7 @@ void pwr_standby(void)
rcc_enable(RCC_AHB_NONE, RCC_APB1_PWR, RCC_APB2_NONE); rcc_enable(RCC_AHB_NONE, RCC_APB1_PWR, RCC_APB2_NONE);
scb_configure_deepsleep(true); scb_configure_deepsleep(true);
regs->CR.PDDS = 1; regs->CR.PDDS = 1;
__asm("wfe"); __asm("wfi");
rcc_configure(RCC_PRESET_SPEED); rcc_configure(RCC_PRESET_SPEED);
} }