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path: root/app/drivers/zephyr/ec11.c
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Diffstat (limited to 'app/drivers/zephyr/ec11.c')
-rw-r--r--app/drivers/zephyr/ec11.c209
1 files changed, 102 insertions, 107 deletions
diff --git a/app/drivers/zephyr/ec11.c b/app/drivers/zephyr/ec11.c
index dfa86ef..a4e96c2 100644
--- a/app/drivers/zephyr/ec11.c
+++ b/app/drivers/zephyr/ec11.c
@@ -18,136 +18,131 @@
LOG_MODULE_REGISTER(EC11, CONFIG_SENSOR_LOG_LEVEL);
-static int ec11_get_ab_state(struct device *dev)
-{
- struct ec11_data *drv_data = dev->driver_data;
- const struct ec11_config *drv_cfg = dev->config_info;
+static int ec11_get_ab_state(struct device *dev) {
+ struct ec11_data *drv_data = dev->driver_data;
+ const struct ec11_config *drv_cfg = dev->config_info;
- return (gpio_pin_get(drv_data->a, drv_cfg->a_pin) << 1) | gpio_pin_get(drv_data->b, drv_cfg->b_pin);
+ return (gpio_pin_get(drv_data->a, drv_cfg->a_pin) << 1) |
+ gpio_pin_get(drv_data->b, drv_cfg->b_pin);
}
-static int ec11_sample_fetch(struct device *dev, enum sensor_channel chan)
-{
- struct ec11_data *drv_data = dev->driver_data;
- const struct ec11_config *drv_cfg = dev->config_info;
- u8_t val;
- s8_t delta;
-
- __ASSERT_NO_MSG(chan == SENSOR_CHAN_ALL || chan == SENSOR_CHAN_ROTATION);
-
- val = ec11_get_ab_state(dev);
-
- LOG_DBG("prev: %d, new: %d", drv_data->ab_state, val);
-
- switch(val | (drv_data->ab_state << 2)) {
- case 0b0010: case 0b0100: case 0b1101: case 0b1011:
- delta = -1;
- break;
- case 0b0001: case 0b0111: case 0b1110: case 0b1000:
- delta = 1;
- break;
- default:
- delta = 0;
- break;
- }
-
- LOG_DBG("Delta: %d", delta);
-
- drv_data->pulses += delta;
- drv_data->ab_state = val;
-
- drv_data->ticks = drv_data->pulses / drv_cfg->resolution;
- drv_data->delta = delta;
- drv_data->pulses %= drv_cfg->resolution;
-
- return 0;
+static int ec11_sample_fetch(struct device *dev, enum sensor_channel chan) {
+ struct ec11_data *drv_data = dev->driver_data;
+ const struct ec11_config *drv_cfg = dev->config_info;
+ u8_t val;
+ s8_t delta;
+
+ __ASSERT_NO_MSG(chan == SENSOR_CHAN_ALL || chan == SENSOR_CHAN_ROTATION);
+
+ val = ec11_get_ab_state(dev);
+
+ LOG_DBG("prev: %d, new: %d", drv_data->ab_state, val);
+
+ switch (val | (drv_data->ab_state << 2)) {
+ case 0b0010:
+ case 0b0100:
+ case 0b1101:
+ case 0b1011:
+ delta = -1;
+ break;
+ case 0b0001:
+ case 0b0111:
+ case 0b1110:
+ case 0b1000:
+ delta = 1;
+ break;
+ default:
+ delta = 0;
+ break;
+ }
+
+ LOG_DBG("Delta: %d", delta);
+
+ drv_data->pulses += delta;
+ drv_data->ab_state = val;
+
+ drv_data->ticks = drv_data->pulses / drv_cfg->resolution;
+ drv_data->delta = delta;
+ drv_data->pulses %= drv_cfg->resolution;
+
+ return 0;
}
-static int ec11_channel_get(struct device *dev,
- enum sensor_channel chan,
- struct sensor_value *val)
-{
- struct ec11_data *drv_data = dev->driver_data;
-
- if (chan != SENSOR_CHAN_ROTATION) {
- return -ENOTSUP;
- }
-
- val->val1 = drv_data->ticks;
- val->val2 = drv_data->delta;
-
- return 0;
+static int ec11_channel_get(struct device *dev, enum sensor_channel chan,
+ struct sensor_value *val) {
+ struct ec11_data *drv_data = dev->driver_data;
+
+ if (chan != SENSOR_CHAN_ROTATION) {
+ return -ENOTSUP;
+ }
+
+ val->val1 = drv_data->ticks;
+ val->val2 = drv_data->delta;
+
+ return 0;
}
static const struct sensor_driver_api ec11_driver_api = {
#ifdef CONFIG_EC11_TRIGGER
- .trigger_set = ec11_trigger_set,
+ .trigger_set = ec11_trigger_set,
#endif
- .sample_fetch = ec11_sample_fetch,
- .channel_get = ec11_channel_get,
+ .sample_fetch = ec11_sample_fetch,
+ .channel_get = ec11_channel_get,
};
-int ec11_init(struct device *dev)
-{
- struct ec11_data *drv_data = dev->driver_data;
- const struct ec11_config *drv_cfg = dev->config_info;
-
- LOG_DBG("A: %s %d B: %s %d resolution %d", drv_cfg->a_label, drv_cfg->a_pin, drv_cfg->b_label, drv_cfg->b_pin, drv_cfg->resolution);
-
- drv_data->a = device_get_binding(drv_cfg->a_label);
- if (drv_data->a == NULL) {
- LOG_ERR("Failed to get pointer to A GPIO device");
- return -EINVAL;
- }
+int ec11_init(struct device *dev) {
+ struct ec11_data *drv_data = dev->driver_data;
+ const struct ec11_config *drv_cfg = dev->config_info;
- drv_data->b = device_get_binding(drv_cfg->b_label);
- if (drv_data->b == NULL) {
- LOG_ERR("Failed to get pointer to B GPIO device");
- return -EINVAL;
- }
+ LOG_DBG("A: %s %d B: %s %d resolution %d", drv_cfg->a_label, drv_cfg->a_pin, drv_cfg->b_label,
+ drv_cfg->b_pin, drv_cfg->resolution);
- if (gpio_pin_configure(drv_data->a, drv_cfg->a_pin,
- drv_cfg->a_flags
- | GPIO_INPUT)) {
- LOG_DBG("Failed to configure A pin");
- return -EIO;
- }
+ drv_data->a = device_get_binding(drv_cfg->a_label);
+ if (drv_data->a == NULL) {
+ LOG_ERR("Failed to get pointer to A GPIO device");
+ return -EINVAL;
+ }
- if (gpio_pin_configure(drv_data->b, drv_cfg->b_pin,
- drv_cfg->b_flags
- | GPIO_INPUT)) {
- LOG_DBG("Failed to configure B pin");
- return -EIO;
- }
+ drv_data->b = device_get_binding(drv_cfg->b_label);
+ if (drv_data->b == NULL) {
+ LOG_ERR("Failed to get pointer to B GPIO device");
+ return -EINVAL;
+ }
+ if (gpio_pin_configure(drv_data->a, drv_cfg->a_pin, drv_cfg->a_flags | GPIO_INPUT)) {
+ LOG_DBG("Failed to configure A pin");
+ return -EIO;
+ }
+ if (gpio_pin_configure(drv_data->b, drv_cfg->b_pin, drv_cfg->b_flags | GPIO_INPUT)) {
+ LOG_DBG("Failed to configure B pin");
+ return -EIO;
+ }
#ifdef CONFIG_EC11_TRIGGER
- if (ec11_init_interrupt(dev) < 0) {
- LOG_DBG("Failed to initialize interrupt!");
- return -EIO;
- }
+ if (ec11_init_interrupt(dev) < 0) {
+ LOG_DBG("Failed to initialize interrupt!");
+ return -EIO;
+ }
#endif
- drv_data->ab_state = ec11_get_ab_state(dev);
+ drv_data->ab_state = ec11_get_ab_state(dev);
- return 0;
+ return 0;
}
-#define EC11_INST(n) \
- struct ec11_data ec11_data_##n; \
- const struct ec11_config ec11_cfg_##n = { \
- .a_label = DT_INST_GPIO_LABEL(n, a_gpios), \
- .a_pin = DT_INST_GPIO_PIN(n, a_gpios), \
- .a_flags = DT_INST_GPIO_FLAGS(n, a_gpios), \
- .b_label = DT_INST_GPIO_LABEL(n, b_gpios), \
- .b_pin = DT_INST_GPIO_PIN(n, b_gpios), \
- .b_flags = DT_INST_GPIO_FLAGS(n, b_gpios), \
- COND_CODE_0(DT_INST_NODE_HAS_PROP(n, resolution), (1), (DT_INST_PROP(n, resolution))), \
- }; \
- DEVICE_AND_API_INIT(ec11, DT_INST_LABEL(n), ec11_init, \
- &ec11_data_##n, \
- &ec11_cfg_##n, POST_KERNEL, CONFIG_SENSOR_INIT_PRIORITY, \
- &ec11_driver_api);
+#define EC11_INST(n) \
+ struct ec11_data ec11_data_##n; \
+ const struct ec11_config ec11_cfg_##n = { \
+ .a_label = DT_INST_GPIO_LABEL(n, a_gpios), \
+ .a_pin = DT_INST_GPIO_PIN(n, a_gpios), \
+ .a_flags = DT_INST_GPIO_FLAGS(n, a_gpios), \
+ .b_label = DT_INST_GPIO_LABEL(n, b_gpios), \
+ .b_pin = DT_INST_GPIO_PIN(n, b_gpios), \
+ .b_flags = DT_INST_GPIO_FLAGS(n, b_gpios), \
+ COND_CODE_0(DT_INST_NODE_HAS_PROP(n, resolution), (1), (DT_INST_PROP(n, resolution))), \
+ }; \
+ DEVICE_AND_API_INIT(ec11, DT_INST_LABEL(n), ec11_init, &ec11_data_##n, &ec11_cfg_##n, \
+ POST_KERNEL, CONFIG_SENSOR_INIT_PRIORITY, &ec11_driver_api);
DT_INST_FOREACH_STATUS_OKAY(EC11_INST) \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-29 20:56:41 +0000