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CMUX: Initial version of CMUX implementation

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This commit is contained in:
David Cermak
2021-04-06 08:33:40 +02:00
parent eca6aaad33
commit 7a09175d5b
10 changed files with 184 additions and 165 deletions
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31
esp_modem/include/cxx_include/esp_modem_dte.hpp
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@ -42,8 +42,17 @@ public:
return actual_len;
}
void set_data_cb(std::function<bool(size_t len)> f) {
term->set_data_cb(std::move(f));
void set_read_cb(std::function<bool(uint8_t *data, size_t len)> f)
{
on_data = std::move(f);
term->set_read_cb([this](uint8_t *data, size_t len) {
if (!data) {
auto data_to_read = std::min(len, buffer_size - consumed);
data = buffer.get();
len = term->read(data, data_to_read);
}
return on_data(data, len);
});
}
void start() { term->start(); }
@ -54,7 +63,10 @@ public:
term->start();
mode = m;
if (m == modem_mode::DATA_MODE) {
term->set_data_cb(on_data);
term->set_read_cb(on_data);
if (other_term) { // if we have the other terminal, let's use it for commands
command_term = other_term.get();
}
} else if (m == modem_mode::CMUX_MODE) {
setup_cmux();
}
@ -62,23 +74,32 @@ public:
command_result command(const std::string &command, got_line_cb got_line, uint32_t time_ms) override;
void send_cmux_command(uint8_t i, const std::string &command);
private:
Lock lock;
void setup_cmux();
// command_result command(Terminal *t, const std::string &command, got_line_cb got_line, uint32_t time_ms);
static const size_t GOT_LINE = signal_group::bit0;
size_t buffer_size;
size_t consumed;
std::unique_ptr<uint8_t[]> buffer;
std::unique_ptr<Terminal> term;
Terminal *command_term;
std::unique_ptr<Terminal> other_term;
modem_mode mode;
signal_group signal;
std::function<bool(size_t len)> on_data;
std::function<bool(uint8_t *data, size_t len)> on_data;
};
//class DTE_inst: public DTE {
//public:
// DTE_inst(std::shared_ptr<DTE> parent) : DTE(t), dte(parent) {}
//private:
// std::shared_ptr<DTE> dte;
//};
} // namespace esp_modem
#endif // _ESP_MODEM_DTE_HPP_