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Made the timeout for lis2dw_read_fifo a variable

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This commit is contained in:
David Volovskiy
2025-10-07 08:07:02 -04:00
committed by Alessandro Genova
parent c6c97556ac
commit 19f789e428
4 changed files with 8 additions and 7 deletions
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watch-library/shared/driver/lis2dw.c
+4 -3
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@@ -277,15 +277,15 @@ inline void lis2dw_disable_fifo(void) {
#endif
}
#define FIFO_TIMEOUT 102 // This is timeout seconds * 128[RTC_CNT_HZ]. So 800ms is 102
bool lis2dw_read_fifo(lis2dw_fifo_t *fifo_data) {
bool lis2dw_read_fifo(lis2dw_fifo_t *fifo_data, uint32_t timeout) {
// timeout is in terms of 1/RTC_CNT_HZ seconds (likely 128 timeouts is one second)
#ifdef I2C_SERCOM
uint8_t temp = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_FIFO_SAMPLE);
bool overrun = !!(temp & LIS2DW_FIFO_SAMPLE_OVERRUN);
fifo_data->count = temp & LIS2DW_FIFO_SAMPLE_COUNT;
rtc_counter_t timeout_counter = watch_rtc_get_counter() + FIFO_TIMEOUT;
rtc_counter_t timeout_counter = watch_rtc_get_counter() + timeout;
for(int i = 0; i < fifo_data->count; i++) {
if (watch_rtc_get_counter() > timeout_counter) {
break;
@@ -296,6 +296,7 @@ bool lis2dw_read_fifo(lis2dw_fifo_t *fifo_data) {
return overrun;
#else
(void) fifo_data;
(void) timeout;
return false;
#endif
}
watch-library/shared/driver/lis2dw.h
+1 -1
View File
@@ -345,7 +345,7 @@ void lis2dw_enable_fifo(void);
void lis2dw_disable_fifo(void);
bool lis2dw_read_fifo(lis2dw_fifo_t *fifo_data);
bool lis2dw_read_fifo(lis2dw_fifo_t *fifo_data, uint32_t timeout);
void lis2dw_clear_fifo(void);