hueso/Sensor-Watch
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Activity

rewrite lis2dh logger for lis2dw

Browse Source
This commit is contained in:
Joey Castillo
2022-04-10 18:08:37 -04:00
parent d91274e782
commit 6e9e264c65
6 changed files with 122 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
watch-library/shared/driver/lis2dw.c
View File

@@ -164,3 +164,32 @@ void lis2dw_clear_fifo(void) {
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_FIFO_CTRL, LIS2DW_FIFO_CTRL_MODE_OFF);
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_FIFO_CTRL, LIS2DW_FIFO_CTRL_MODE_COLLECT_AND_STOP | LIS2DW_FIFO_CTRL_FTH);
}
void lis2dw_configure_wakeup_int1(uint8_t threshold, bool latch, bool active_state) {
uint8_t configuration;
// enable wakeup interrupt on INT1 pin
configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL4_INT1);
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL4_INT1, configuration | LIS2DW_CTRL4_INT1_WU);
// set threshold
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_WAKE_UP_THS, threshold | LIS2DW_WAKE_UP_THS_VAL_SLEEP_ON);
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_INT1_DUR, 0b01111111);
configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL3) & ~(LIS2DW_CTRL3_VAL_LIR);
if (!active_state) configuration |= LIS2DW_CTRL3_VAL_H_L_ACTIVE;
if (latch) configuration |= LIS2DW_CTRL3_VAL_LIR;
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL3, configuration);
// enable interrupts
configuration = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7);
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL7, configuration | LIS2DW_CTRL7_VAL_INTERRUPTS_ENABLE);
}
lis2dw_wakeup_source lis2dw_get_wakeup_source() {
return (lis2dw_wakeup_source) watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_WAKE_UP_SRC);
}
lis2dw_interrupt_source lis2dw_get_interrupt_source(void) {
return (lis2dw_interrupt_source) watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_ALL_INT_SRC);
}

36
watch-library/shared/driver/lis2dw.h
View File

@@ -94,6 +94,24 @@ typedef enum {
LIS2DW_RANGE_2_G = 0b00 // +/- 2g (default value)
} lis2dw_range_t;
typedef enum {
LIS2DW_INTERRUPT_SRC_SLEEP_CHANGE = 0b00100000,
LIS2DW_INTERRUPT_SRC_6D = 0b00010000,
LIS2DW_INTERRUPT_SRC_DOUBLE_TAP = 0b00001000,
LIS2DW_INTERRUPT_SRC_SINGLE_TAP = 0b00000100,
LIS2DW_INTERRUPT_SRC_WU = 0b00000010,
LIS2DW_INTERRUPT_SRC_FF = 0b00000001
} lis2dw_interrupt_source;
typedef enum {
LIS2DW_WAKEUP_SRC_FREEFALL = 0b00100000,
LIS2DW_WAKEUP_SRC_SLEEP_STATE = 0b00010000,
LIS2DW_WAKEUP_SRC_WAKEUP = 0b00001000,
LIS2DW_WAKEUP_SRC_WAKEUP_X = 0b00000100,
LIS2DW_WAKEUP_SRC_WAKEUP_Y = 0b00000010,
LIS2DW_WAKEUP_SRC_WAKEUP_Z = 0b00000001
} lis2dw_wakeup_source;
// Assumes SA0 is high; if low, its 0x18
#define LIS2DW_ADDRESS (0x19)
@@ -130,15 +148,15 @@ typedef enum {
#define LIS2DW_CTRL2_VAL_IF_ADD_INC 0b00000100
#define LIS2DW_REG_CTRL3 0x22
#define LIS2DW_CTRL4_VAL_SELF_TEST_POS 0b10000000
#define LIS2DW_CTRL4_VAL_SELF_TEST_NEG 0b01000000
#define LIS2DW_CTRL3_VAL_SELF_TEST_POS 0b10000000
#define LIS2DW_CTRL3_VAL_SELF_TEST_NEG 0b01000000
#define LIS2DW_CTRL3_VAL_PP_OD 0b00100000
#define LIS2DW_CTRL3_VAL_LIR 0b00010000
#define LIS2DW_CTRL3_VAL_H_L_ACTIVE 0b00001000
#define LIS2DW_CTRL3_VAL_SLP_MODE_SEL 0b00000010
#define LIS2DW_CTRL3_VAL_SLP_MODE_1 0b00000001
#define LIS2DW_REG_CTRL4 0x23
#define LIS2DW_REG_CTRL4_INT1 0x23
#define LIS2DW_CTRL4_INT1_6D 0b10000000
#define LIS2DW_CTRL4_INT1_SINGLE_TAP 0b01000000
#define LIS2DW_CTRL4_INT1_WU 0b00100000
@@ -148,7 +166,7 @@ typedef enum {
#define LIS2DW_CTRL4_INT1_FTH 0b00000010
#define LIS2DW_CTRL4_INT1_DRDY 0b00000001
#define LIS2DW_REG_CTRL5 0x24
#define LIS2DW_REG_CTRL5_INT2 0x24
#define LIS2DW_CTRL5_INT2_SLEEP_STATE 0b10000000
#define LIS2DW_CTRL5_INT2_SLEEP_CHG 0b01000000
#define LIS2DW_CTRL5_INT2_BOOT 0b00100000
@@ -206,7 +224,11 @@ typedef enum {
#define LIS2DW_REG_TAP_THS_Y 0x31
#define LIS2DW_REG_TAP_THS_Z 0x32
#define LIS2DW_REG_INT1_DUR 0x33
#define LIS2DW_REG_WAKE_UP_THS 0x34
#define LIS2DW_WAKE_UP_THS_VAL_TAP_EVENT_ENABLED 0b10000000
#define LIS2DW_WAKE_UP_THS_VAL_SLEEP_ON 0b01000000
#define LIS2DW_REG_WAKE_UP_DUR 0x35
#define LIS2DW_REG_FREE_FALL 0x36
#define LIS2DW_REG_STATUS_DUP 0x37
@@ -293,4 +315,10 @@ bool lis2dw_read_fifo(lis2dw_fifo_t *fifo_data);
void lis2dw_clear_fifo(void);
void lis2dw_configure_wakeup_int1(uint8_t threshold, bool latch, bool active_state);
lis2dw_interrupt_source lis2dw_get_interrupt_source(void);
lis2dw_wakeup_source lis2dw_get_wakeup_source(void);
#endif // LIS2DW_H