X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=src%2Fhardware%2Fkingst-la2016%2Fprotocol.h;h=7518cb759f9a768cb373a78ca885fdfaa0f6d652;hp=061168e2f826c0a128948834e57a682e5b78aa99;hb=c3d4003710edfe193de072f6032401bcba098672;hpb=d9a74e97f437d35abc32509a113fe2f5124559ef diff --git a/src/hardware/kingst-la2016/protocol.h b/src/hardware/kingst-la2016/protocol.h index 061168e2..7518cb75 100644 --- a/src/hardware/kingst-la2016/protocol.h +++ b/src/hardware/kingst-la2016/protocol.h @@ -30,8 +30,6 @@ #define LOG_PREFIX "kingst-la2016" -/* device is little endian */ - #define LA2016_VID 0x77a1 #define LA2016_PID 0x01a2 #define USB_INTERFACE 0 @@ -51,44 +49,28 @@ typedef struct pwm_setting_dev { uint32_t period; uint32_t duty; -} __attribute__((__packed__)) pwm_setting_dev_t; +} pwm_setting_dev_t; typedef struct trigger_cfg { uint32_t channels; uint32_t enabled; uint32_t level; uint32_t high_or_falling; -} __attribute__((__packed__)) trigger_cfg_t; - -typedef struct sample_config { - uint32_t sample_depth; - uint32_t psa; - uint16_t u1; - uint32_t u2; - uint16_t clock_divisor; -} __attribute__((__packed__)) sample_config_t; +} trigger_cfg_t; typedef struct capture_info { uint32_t n_rep_packets; uint32_t n_rep_packets_before_trigger; uint32_t write_pos; -} __attribute__((__packed__)) capture_info_t; - -typedef struct acq_packet { - uint16_t state; - uint8_t repetitions; -} __attribute__((__packed__)) acq_packet_t; +} capture_info_t; -typedef struct transfer_packet { - acq_packet_t packet[5]; - uint8_t seq; -} __attribute__((__packed__)) transfer_packet_t; +#define NUM_PACKETS_IN_CHUNK 5 +#define TRANSFER_PACKET_LENGTH 16 typedef struct pwm_setting { uint8_t enabled; float freq; float duty; - pwm_setting_dev_t dev; } pwm_setting_t; struct dev_context { @@ -136,55 +118,4 @@ SR_PRIV int la2016_start_retrieval(const struct sr_dev_inst *sdi, libusb_transfe SR_PRIV int la2016_init_device(const struct sr_dev_inst *sdi); SR_PRIV int la2016_deinit_device(const struct sr_dev_inst *sdi); -#ifndef WORDS_BIGENDIAN -/* this host is big-endian, need to swap from/to device inplace */ -#define inplace_WL32(obj) do { uint32_t tmp = obj; WL32(&(obj), tmp); } while (0) -#define inplace_RL32(obj) obj = RL32(&(obj)) -#define inplace_WL16(obj) do { uint16_t tmp = obj; WL16(&(obj), tmp); } while (0) -#define inplace_RL16(obj) obj = RL16(&(obj)) - -#define pwm_setting_dev_le(obj) do { \ - inplace_WL32((obj).period); \ - inplace_WL32((obj).duty); \ - } while (0) -#define trigger_cfg_le(obj) do { \ - inplace_WL32((obj).channels); \ - inplace_WL32((obj).enabled); \ - inplace_WL32((obj).level); \ - inplace_WL32((obj).high_or_falling); \ - } while (0) -#define sample_config_le(obj) do { \ - inplace_WL32((obj).sample_depth); \ - inplace_WL32((obj).psa); \ - inplace_WL16((obj).u1); \ - inplace_WL32((obj).u2); \ - inplace_WL16((obj).clock_divisor); \ - } while (0) - -#define capture_info_host(obj) do { \ - inplace_RL32((obj).n_rep_packets); \ - inplace_RL32((obj).n_rep_packets_before_trigger); \ - inplace_RL32((obj).write_pos); \ - } while (0) -#define acq_packet_host(obj) \ - inplace_RL16((obj).state) -#define transfer_packet_host(obj) do { \ - acq_packet_host((obj).packet[0]); \ - acq_packet_host((obj).packet[1]); \ - acq_packet_host((obj).packet[2]); \ - acq_packet_host((obj).packet[3]); \ - acq_packet_host((obj).packet[4]); \ - } while (0) - -#else -/* this host is little-endian, same as device */ -#define pwm_setting_dev_le(obj) (void)obj -#define trigger_cfg_le(obj) (void)obj -#define sample_config_le(obj) (void)obj - -#define capture_info_host(obj) (void)obj -#define acq_packet_host(obj) (void)obj -#define transfer_packet_host(obj) (void)obj -#endif - #endif