#define LOG_PREFIX "devantech-eth008"
/*
- * Models have differing capabilities, and slightly different protocol
- * variants. Setting the output state of individual relays usually takes
- * one byte which carries the channel number. Requests are of identical
- * length. Getting relay state takes a variable number of bytes to carry
- * the bit fields. Response length depends on the model's relay count.
- * As does request length for setting the state of several relays at the
- * same time. Some models have gaps in their relay channel numbers
- * (ETH484 misses R5..R8).
- *
- * Some models have digital inputs and analog inputs. These features
- * currently are not supported in this implementation.
+ * See developer notes in the protocol.c source file for details on the
+ * feature set and communication protocol variants across the series.
+ * This 'model' description tells their discriminating properties apart.
*/
struct devantech_eth008_model {
- uint8_t code;
- const char *name;
- size_t ch_count_do;
- uint8_t min_serno_fw;
- size_t width_do;
- uint32_t mask_do_missing;
-};
-
-enum devantech_eth008_channel_type {
- DV_CH_DIGITAL_OUTPUT,
- DV_CH_SUPPLY_VOLTAGE,
+ uint8_t code; /**!< model ID */
+ const char *name; /**!< model name */
+ size_t ch_count_do; /**!< digital output channel count */
+ size_t ch_count_di; /**!< digital input channel count */
+ size_t ch_count_ai; /**!< analog input channel count */
+ uint8_t min_serno_fw; /**!< min FW version to get serial nr */
+ size_t width_do; /**!< digital output image width */
+ size_t width_di; /**!< digital input image width */
+ uint32_t mask_do_missing; /**!< missing digital output channels */
};
struct channel_group_context {
size_t index;
size_t number;
- enum devantech_eth008_channel_type ch_type;
+ enum devantech_eth008_channel_type {
+ DV_CH_DIGITAL_OUTPUT,
+ DV_CH_DIGITAL_INPUT,
+ DV_CH_ANALOG_INPUT,
+ DV_CH_SUPPLY_VOLTAGE,
+ } ch_type;
};
struct dev_context {
const struct devantech_eth008_model *model;
uint32_t mask_do;
uint32_t curr_do;
+ uint32_t curr_di;
};
SR_PRIV int devantech_eth008_get_model(struct sr_serial_dev_inst *serial,
const struct sr_channel_group *cg, gboolean *on);
SR_PRIV int devantech_eth008_setup_do(const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg, gboolean on);
+SR_PRIV int devantech_eth008_query_di(const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg, gboolean *on);
+SR_PRIV int devantech_eth008_query_ai(const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg, uint16_t *adc_value);
SR_PRIV int devantech_eth008_query_supply(const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg, uint16_t *millivolts);