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disable power management for CSR BT modules and conjure an explanation why it didn't work

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This commit is contained in:
matthias.ringwald 2011-08-26 18:55:23 +00:00
parent bcee79c840
commit a48c56425a
1 changed files with 19 additions and 20 deletions
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39
src/bt_control_iphone.m
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@ -247,6 +247,7 @@ static void iphone_bcm_set_baud(int fd, int baud){
write(fd, buffer, len);
}
// OS 3.x
static int iphone_write_initscript (int output, int baudrate){
// construct script path from device name
@ -380,12 +381,15 @@ static int iphone_write_initscript (int output, int baudrate){
#ifdef USE_POWERMANAGEMENT
if (iphone_has_csr()) {
/* CSR BT module */
iphone_write_string(output, "msleep 50\n");
iphone_write_string(output, "csr -p 0x01ca=0x0031\n");
iphone_write_string(output, "msleep 50\n");
iphone_write_string(output, "csr -p 0x01c7=0x0001,0x01f4,0x0005,0x0020\n");
power_management_active = 1;
/* CSR BT module: deactivated since it didn't work on iPhone 3G, 3.1.3
the first few packets didn't get received when iPhone is sleeping.
That's quite possible since Apple uses H5, but BTstack uses H4
H5's packet retransmission should take care of that */
// iphone_write_string(output, "msleep 50\n");
// iphone_write_string(output, "csr -p 0x01ca=0x0031\n");
// iphone_write_string(output, "msleep 50\n");
// iphone_write_string(output, "csr -p 0x01c7=0x0001,0x01f4,0x0005,0x0020\n");
power_management_active = 0;
} else {
/* BCM BT module, deactivated since untested for now */
// iphone_write_string(output, "bcm -s 0x01,0x00,0x00,0x01,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x01\n");
@ -404,11 +408,13 @@ static void iphone_write_configscript(int fd, int baudrate){
iphone_csr_set_bd_addr(fd);
iphone_write_string(fd, "csr -r\n");
#ifdef USE_POWERMANAGEMENT
iphone_write_string(fd, "msleep 50\n");
iphone_write_string(fd, "csr -p 0x01ca=0x0031\n");
iphone_write_string(fd, "msleep 50\n");
iphone_write_string(fd, "csr -p 0x01c7=0x0001,0x01f4,0x0005,0x0020\n");
power_management_active = 1;
/* CSR BT module: deactivated since untested, but it most likely won't work
see comments in 3.x init sequence above */
// iphone_write_string(fd, "msleep 50\n");
// iphone_write_string(fd, "csr -p 0x01ca=0x0031\n");
// iphone_write_string(fd, "msleep 50\n");
// iphone_write_string(fd, "csr -p 0x01c7=0x0001,0x01f4,0x0005,0x0020\n");
power_management_active = 0;
#endif
} else {
iphone_bcm_set_baud(fd, baudrate);
@ -416,6 +422,7 @@ static void iphone_write_configscript(int fd, int baudrate){
iphone_bcm_set_bd_addr(fd);
iphone_write_string(fd, "msleep 50\n");
#ifdef USE_POWERMANAGEMENT
// power management only active on 4.x with BCM (iPhone 3GS and higher, all iPads, iPod touch 3G and higher)
iphone_write_string(fd, "bcm -s 0x01,0x00,0x00,0x01,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x01\n");
iphone_write_string(fd, "msleep 50\n");
power_management_active = 1;
@ -464,15 +471,7 @@ static int iphone_on (void *transport_config){
// unload BTServer
log_info("iphone_on: unload BTServer\n");
err = system ("launchctl unload /System/Library/LaunchDaemons/com.apple.BTServer.plist");
#if 0
// use tmp file for testing on os 3.x
int output = open("/tmp/bt.init", O_WRONLY | O_CREAT | O_TRUNC);
iphone_write_initscript(hci_uart_config, output);
close(output);
err = system ("BlueTool < /tmp/bt.init");
#else
// check for os version >= 4.0
int os4x = kCFCoreFoundationVersionNumber >= 550.32;
log_info("CFVersion %f, >= 4.0 %u\n", kCFCoreFoundationVersionNumber, os4x);