add sync field, seq number and command field to payloadTakes in enough samples to create a full output frame. The frame is prepended with the GRSF_SYNC (defind in digital_simple_framer_sync.h) and an 8-bit sequence number.
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Public Member Functions |
void | forecast (int noutput_items, gr_vector_int &ninput_items_required) |
| Estimate input requirements given output request.
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int | general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) |
| compute output items from input items
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virtual | ~gr_block () |
unsigned | history () const |
void | set_history (unsigned history) |
bool | fixed_rate () const |
| Return true if this block has a fixed input to output rate.
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virtual bool | start () |
| Called to enable drivers, etc for i/o devices.
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virtual bool | stop () |
| Called to disable drivers, etc for i/o devices.
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void | set_output_multiple (int multiple) |
| Constrain the noutput_items argument passed to forecast and general_work.
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int | output_multiple () const |
bool | output_multiple_set () const |
void | set_alignment (int multiple) |
| Constrains buffers to work on a set item alignment (for SIMD)
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int | alignment () const |
void | set_unaligned (int na) |
int | unaligned () const |
void | set_is_unaligned (bool u) |
bool | is_unaligned () const |
void | consume (int which_input, int how_many_items) |
| Tell the scheduler how_many_items of input stream which_input were consumed.
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void | consume_each (int how_many_items) |
| Tell the scheduler how_many_items were consumed on each input stream.
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void | produce (int which_output, int how_many_items) |
| Tell the scheduler how_many_items were produced on output stream which_output .
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void | set_relative_rate (double relative_rate) |
| Set the approximate output rate / input rate.
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double | relative_rate () const |
| return the approximate output rate / input rate
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virtual int | fixed_rate_ninput_to_noutput (int ninput) |
| Given ninput samples, return number of output samples that will be produced. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
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virtual int | fixed_rate_noutput_to_ninput (int noutput) |
| Given noutput samples, return number of input samples required to produce noutput. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
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uint64_t | nitems_read (unsigned int which_input) |
| Return the number of items read on input stream which_input.
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uint64_t | nitems_written (unsigned int which_output) |
| Return the number of items written on output stream which_output.
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tag_propagation_policy_t | tag_propagation_policy () |
| Asks for the policy used by the scheduler to moved tags downstream.
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void | set_tag_propagation_policy (tag_propagation_policy_t p) |
| Set the policy by the scheduler to determine how tags are moved downstream.
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gr_block_detail_sptr | detail () const |
void | set_detail (gr_block_detail_sptr detail) |
virtual | ~gr_basic_block () |
long | unique_id () const |
std::string | name () const |
gr_io_signature_sptr | input_signature () const |
gr_io_signature_sptr | output_signature () const |
gr_basic_block_sptr | to_basic_block () |
virtual bool | check_topology (int ninputs, int noutputs) |
| Confirm that ninputs and noutputs is an acceptable combination.
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template<typename T > |
void | set_msg_handler (T msg_handler) |
| Set the callback that is fired when messages are available.
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| gr_msg_accepter () |
| ~gr_msg_accepter () |
void | post (pmt::pmt_t msg) |
| send msg to msg_accepter
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| msg_accepter () |
virtual | ~msg_accepter () |
Additional Inherited Members |
enum | { WORK_CALLED_PRODUCE = -2,
WORK_DONE = -1
} |
| Magic return values from general_work. More...
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enum | tag_propagation_policy_t { TPP_DONT = 0,
TPP_ALL_TO_ALL = 1,
TPP_ONE_TO_ONE = 2
} |
enum | vcolor { WHITE,
GREY,
BLACK
} |
| gr_block (void) |
| gr_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature) |
void | set_fixed_rate (bool fixed_rate) |
void | add_item_tag (unsigned int which_output, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F) |
| Adds a new tag onto the given output buffer.
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void | add_item_tag (unsigned int which_output, const gr_tag_t &tag) |
| Adds a new tag onto the given output buffer.
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void | get_tags_in_range (std::vector< gr_tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end) |
| Given a [start,end), returns a vector of all tags in the range.
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void | get_tags_in_range (std::vector< gr_tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end, const pmt::pmt_t &key) |
| Given a [start,end), returns a vector of all tags in the range with a given key.
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std::string | d_name |
gr_io_signature_sptr | d_input_signature |
gr_io_signature_sptr | d_output_signature |
long | d_unique_id |
vcolor | d_color |
add sync field, seq number and command field to payload
Takes in enough samples to create a full output frame. The frame is prepended with the GRSF_SYNC (defind in digital_simple_framer_sync.h) and an 8-bit sequence number.
- Parameters
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payload_bytesize | The size of the payload in bytes. |