FreeCalypso > hg > fc-magnetite
view src/cs/riviera/rvt/rvt_keepalive.c @ 581:a0a45c5eb3ef
gsmcomp.c: bumping trace partition size to 220 like in gprscomp.c
This change is safe in terms of RAM usage because all of these partition
pools have already been moved from XRAM to IRAM earlier, and our IRAM
usage in VO configs is currently quite low - the one near the limit
is XRAM on C11x.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 29 Jan 2019 03:52:49 +0000 |
parents | 9ffdfacfe969 |
children |
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/* * This module is a FreeCalypso addition. Here we implement the special * operation mode that is only used when a device that was originally * meant to be a phone handset is turned into a pseudo-modem with no UI, * requiring connection to a host computer running rvinterf for control. */ #ifdef PSEUDO_MODEM_KEEPALIVE #include "nucleus.h" #include "abb.h" #include "rv/general.h" #include "rv/rv_general.h" #include "rvf/rvf_api.h" #include "rvt/rvt_gen.h" #include "rvt/rvt_def_i.h" #include "rvt/rvt_env.h" #include "rvt/rvt_env_i.h" #include "rvm/rvm_use_id_list.h" #include "uart/serialswitch.h" #include <string.h> volatile UINT8 rvt_keepalive_counter; void rvt_keepalive_input(T_RVT_BUFFER p_msg, UINT16 msg_length) { /* Checking for an invalid PDU. */ if ((p_msg == NULL) || (msg_length != 1)) return; /* Check for the correct opcode */ if (*p_msg != 'A') return; /* good keepalive response from external host */ rvt_keepalive_counter = 0; } void rvt_keepalive_register(void) { T_RVT_USER_ID rvt_id; rvt_register_id("KEEPALIVE", &rvt_id, rvt_keepalive_input); } static void keepalive_send(UINT8 *buf, UINT32 size) { UINT32 sent; for (sent = 0; sent < size; ) sent += SER_tr_WriteNBytes(SER_LAYER_1, buf + sent, size - sent); } #ifdef PSEUDO_MODEM_USB static char poweroff_msg[] = "System: USB unplugged, powering off"; #else static char poweroff_msg[] = "System: no keepalive response, powering off"; static UINT8 keepalive_msg[2] = {RVT_KEEPALIVE_HEADER, 'Q'}; #endif static void keepalive_poweroff(void) { UINT8 poweroff_msg_buf[50], *p; p = poweroff_msg_buf; *p++ = RVT_RV_HEADER; *p++ = 0; *p++ = 0; *p++ = 0; *p++ = 0; *p++ = RV_TRACE_LEVEL_ERROR; strcpy((char *)p, poweroff_msg); keepalive_send(poweroff_msg_buf, strlen(poweroff_msg) + 6); /* do it */ ABB_Power_Off(); } void rvt_keepalive_process(void) { SYS_UWORD16 abb_status; abb_status = ABB_Read_Status(); if (abb_status & CHGPRES) { rvt_keepalive_counter = 0; return; } #ifdef PSEUDO_MODEM_USB keepalive_poweroff(); #else if (rvt_keepalive_counter >= 3) keepalive_poweroff(); else { rvt_keepalive_counter++; keepalive_send(keepalive_msg, sizeof keepalive_msg); } #endif } #endif