From 5e9fde8743d4d3d733303bef99e20000c0769148 Mon Sep 17 00:00:00 2001
From: tick <tick@99fdad57-331a-0410-800a-d7fa5415bdb3>
Date: Fri, 16 Nov 2007 08:55:01 +0000
Subject: [gsmd] Adding timeout scheme, and merge gta01 wakeup scheme as
 machine plug-in with timeout. (L. Sean)

git-svn-id: http://svn.openmoko.org/trunk/src/target/gsm@3430 99fdad57-331a-0410-800a-d7fa5415bdb3
---
 src/gsmd/machine_gta01.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/gsmd/machine_gta01.c

(limited to 'src/gsmd/machine_gta01.c')

diff --git a/src/gsmd/machine_gta01.c b/src/gsmd/machine_gta01.c
new file mode 100644
index 0000000..f035ab1
--- /dev/null
+++ b/src/gsmd/machine_gta01.c
@@ -0,0 +1,109 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include "gsmd.h"
+
+#include <gsmd/gsmd.h>
+#include <gsmd/usock.h>
+#include <gsmd/event.h>
+#include <gsmd/talloc.h>
+#include <gsmd/extrsp.h>
+#include <gsmd/machineplugin.h>
+#include <gsmd/atcmd.h>
+
+#define GSMD_MODEM_WAKEUP_TIMEOUT     3
+
+static int null_wakeup_cb(struct gsmd_atcmd *cmd, void *ctx, char *resp) 
+{
+	DEBUGP("The wake up callback!!\n");
+        return 0;
+}
+
+static void wakeup_timeout(struct gsmd_timer *tmr, void *data) 
+{
+        struct gsmd *g=data;
+        struct gsmd_atcmd *cmd=NULL;
+        DEBUGP("Wakeup time out!!\n");
+        if (!llist_empty(&g->busy_atcmds)) {
+                cmd = llist_entry(g->busy_atcmds.next,struct gsmd_atcmd, list);
+        }
+        if (!cmd) { 
+                DEBUGP("ERROR!! busy_atcmds is NULL\n");
+                return;
+        }
+
+        if (cmd->timeout != tmr) {
+                DEBUGP("ERROR!! cmd->timeout != tmr\n");
+                return;
+        }
+
+        gsmd_timer_free(cmd->timeout);
+        cmd->timeout = NULL;
+
+        // It's a wakeup command
+        if ( cmd->buf[0]==' ') {
+                llist_del(&cmd->list);
+                talloc_free(cmd);
+                // discard the wakeup command, and pass the real command.
+                if (llist_empty(&g->busy_atcmds) && !llist_empty(&g->pending_atcmds)) {
+                        atcmd_wake_pending_queue(g);
+                }
+        } else {
+                DEBUGP("ERROR!! Wakeup timeout and cmd->buf is not wakeup command!! %s\n",cmd->buf);
+        }
+}
+
+static struct gsmd_timer * wakeup_timer(struct gsmd *g)
+{
+        struct timeval tv;
+        tv.tv_sec = GSMD_MODEM_WAKEUP_TIMEOUT;
+        tv.tv_usec = 0;
+	DEBUGP("Create wake up timer\n");
+
+        return gsmd_timer_create(&tv,&wakeup_timeout,g);
+}
+
+/// adding a null '\r' before real at command.
+static int atcmd_wakeup_modem(struct gsmd *g) 
+{
+	DEBUGP("try to wake up\n");
+	struct gsmd_atcmd * cmd= atcmd_fill(" \r", 2, null_wakeup_cb, g, 0, wakeup_timer);
+
+	llist_add_tail(&cmd->list, &g->pending_atcmds);
+	if (llist_empty(&g->busy_atcmds) && !llist_empty(&g->pending_atcmds)) {
+		atcmd_wake_pending_queue(g);
+	}
+
+	return 0;
+}
+
+static int gta01_detect(struct gsmd *g)
+{
+	/* FIXME: do actual detection of machine if we have multiple machines */
+	return 1;
+}
+
+static int gta01_init(struct gsmd *g, int fd)
+{
+	int rc;
+
+	/*
+	 * We assume that the GSM chipset can take
+	 * input immediately, so we don't have to
+	 * wait for the "AT-Command Interpreter ready"
+	 * message before trying to send commands.
+	 */
+	g->interpreter_ready = 1;
+
+	return 0;
+}
+
+struct gsmd_machine_plugin gsmd_machine_plugin = {
+	.name = "TI Calypso / FIC firmware",
+	.ex_submit = &atcmd_wakeup_modem,
+	.detect = &gta01_detect,
+	.init = &gta01_init,
+};
-- 
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