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This commit is contained in:
William Clark 2023-12-27 19:59:29 +00:00
parent fd91ea1c73
commit a31f67d4a9
1 changed files with 47 additions and 47 deletions
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94
README.md
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@ -27,41 +27,41 @@ Simple example:
int main() {
lis3dh_t lis;
lis3dh_t lis;
lis.dev.init = i2c_init;
lis.dev.init = i2c_init;
lis.dev.read = i2c_read;
lis.dev.write = i2c_write;
lis.dev.sleep = usleep;
lis.dev.deinit = i2c_deinit;
if (lis3dh_init(&lis)) {
if (lis3dh_init(&lis)) {
/* error handling */
}
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.range = LIS3DH_FS_4G;
lis.cfg.rate = LIS3DH_ODR_100_HZ;
if (lis3dh_configure(&lis)) {
if (lis3dh_configure(&lis)) {
/* error handling */
}
if (lis3dh_poll(&lis)) {
if (lis3dh_poll(&lis)) {
/* error handling */
}
}
if (lis3dh_read(&lis)) {
if (lis3dh_read(&lis)) {
/* error handling */
}
}
printf("x: %f, y: %f, z: %f\n", lis.acc.x, lis.acc.y, lis.acc.z);
printf("x: %f, y: %f, z: %f\n", lis.acc.x, lis.acc.y, lis.acc.z);
if (lis3dh_deinit(&lis)) {
if (lis3dh_deinit(&lis)) {
/* error handling */
}
}
return 0;
return 0;
}
```
The output should be something similar to this:
@ -79,24 +79,24 @@ poll() and read() can be indefinitely looped for a constant data stream, like th
int main() {
lis3dh_t lis;
lis3dh_t lis;
int i;
lis.dev.init = i2c_init;
lis.dev.init = i2c_init;
lis.dev.read = i2c_read;
lis.dev.write = i2c_write;
lis.dev.sleep = usleep;
lis.dev.deinit = i2c_deinit;
if (lis3dh_init(&lis)) {
if (lis3dh_init(&lis)) {
/* error handling */
}
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.range = LIS3DH_FS_4G;
lis.cfg.rate = LIS3DH_ODR_100_HZ;
if (lis3dh_configure(&lis)) {
if (lis3dh_configure(&lis)) {
/* error handling */
}
@ -104,20 +104,20 @@ int main() {
if (lis3dh_poll(&lis)) {
/* error handling */
}
}
if (lis3dh_read(&lis)) {
if (lis3dh_read(&lis)) {
/* error handling */
}
}
printf("x: %f, y: %f, z: %f\n", lis.acc.x, lis.acc.y, lis.acc.z);
}
if (lis3dh_deinit(&lis)) {
if (lis3dh_deinit(&lis)) {
/* error handling */
}
}
return 0;
return 0;
}
```
Output:
@ -147,26 +147,26 @@ It should be noted that all FIFO readings use 10-bit resolution regardless of th
int main() {
lis3dh_t lis;
lis3dh_t lis;
struct lis3dh_fifo_data data;
int i;
lis.dev.init = i2c_init;
lis.dev.init = i2c_init;
lis.dev.read = i2c_read;
lis.dev.write = i2c_write;
lis.dev.sleep = usleep;
lis.dev.deinit = i2c_deinit;
if (lis3dh_init(&lis)) {
if (lis3dh_init(&lis)) {
/* error handling */
}
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.range = LIS3DH_FS_4G;
lis.cfg.rate = LIS3DH_ODR_100_HZ;
lis.cfg.fifo.mode = LIS3DH_FIFO_MODE_NORMAL;
if (lis3dh_configure(&lis)) {
if (lis3dh_configure(&lis)) {
/* error handling */
}
@ -183,11 +183,11 @@ int main() {
printf("x: %f, y: %f, z: %f\n", data.x[i], data.y[i], data.z[i]);
}
if (lis3dh_deinit(&lis)) {
if (lis3dh_deinit(&lis)) {
/* error handling */
}
}
return 0;
return 0;
}
```
Output:
@ -237,28 +237,28 @@ The LIS3DH can optionally apply a HP filter on the sample data. It can be used t
int main() {
lis3dh_t lis;
lis3dh_t lis;
struct lis3dh_fifo_data data;
int i;
lis.dev.init = i2c_init;
lis.dev.init = i2c_init;
lis.dev.read = i2c_read;
lis.dev.write = i2c_write;
lis.dev.sleep = usleep;
lis.dev.deinit = i2c_deinit;
if (lis3dh_init(&lis)) {
if (lis3dh_init(&lis)) {
/* error handling */
}
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.range = LIS3DH_FS_4G;
lis.cfg.rate = LIS3DH_ODR_100_HZ;
lis.cfg.fifo.mode = LIS3DH_FIFO_MODE_NORMAL;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_AUTORESET;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
if (lis3dh_configure(&lis)) {
if (lis3dh_configure(&lis)) {
/* error handling */
}
@ -275,11 +275,11 @@ int main() {
printf("x: %f, y: %f, z: %f\n", data.x[i], data.y[i], data.z[i]);
}
if (lis3dh_deinit(&lis)) {
if (lis3dh_deinit(&lis)) {
/* error handling */
}
}
return 0;
return 0;
}
```
Output:
@ -325,16 +325,16 @@ Simple example code
#define LIS3DH_I2C_ADDR 0x18
int i2c_write(uint8_t reg, uint8_t value) {
uint8_t buf[2] = { reg, value };
HAL_I2C_Master_Transmit(&hi2c2, LIS3DH_I2C_ADDR << 1, buf, 2, HAL_MAX_DELAY);
return 0;
uint8_t buf[2] = { reg, value };
HAL_I2C_Master_Transmit(&hi2c2, LIS3DH_I2C_ADDR << 1, buf, 2, HAL_MAX_DELAY);
return 0;
}
int i2c_read(uint8_t reg, uint8_t *dst, uint32_t size) {
uint8_t send[2] = { reg, 0x00 };
HAL_I2C_Master_Transmit(&hi2c2, LIS3DH_I2C_ADDR << 1, send, 2, HAL_MAX_DELAY);
HAL_I2C_Master_Receive(&hi2c2, LIS3DH_I2C_ADDR << 1, dst, size, HAL_MAX_DELAY);
return 0;
uint8_t send[2] = { reg, 0x00 };
HAL_I2C_Master_Transmit(&hi2c2, LIS3DH_I2C_ADDR << 1, send, 2, HAL_MAX_DELAY);
HAL_I2C_Master_Receive(&hi2c2, LIS3DH_I2C_ADDR << 1, dst, size, HAL_MAX_DELAY);
return 0;
}
```