Terminal program for MailStation devices
main: If modem MSR changes, update F1
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main.c
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main.c
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#include "mailstation.h"
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#include "logo.h"
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unsigned char lastkey;
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unsigned char last_key;
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unsigned char esc;
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unsigned char old_minutes;
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unsigned char obuf_sent_pos;
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unsigned char last_modem_msr;
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#define MODEM_MSR_DCD (1 << 7)
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···
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int b, j;
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/* ignore first peekkey() if it returns power button */
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lastkey = KEY_POWER;
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last_key = KEY_POWER;
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esc = 0;
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source = SOURCE_WIFI;
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putchar_sgr = 0;
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switch (source) {
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case SOURCE_MODEM:
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modem_msr();
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if (modem_msr() != last_modem_msr) {
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update_f1();
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last_modem_msr = modem_curmsr;
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}
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if (modem_lsr() & (1 << 0)) {
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process_input(modem_read());
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continue;
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/* this breaks key-repeat, but it's needed to debounce */
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if (b == 0)
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lastkey = 0;
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else if (b == lastkey)
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last_key = 0;
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else if (b == last_key)
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b = 0;
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else
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lastkey = b;
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last_key = b;
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if (b == 0)
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return 0;