Raspberries/mraa
Private
Public Access
2
0
Fork 0
Code Activity

usb: Skeleton platform code for FTDI FT4222 USB to i2c bridge

Browse Source 
Signed-off-by: Henry Bruce <henry.bruce@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Henry Bruce
2015-05-27 15:36:46 -07:00
committed by Brendan Le Foll
parent 22a930e39e
commit 8f48df0533
15 changed files with 710 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
src/mraa.c
View File

@@ -97,17 +97,29 @@ mraa_init()
Py_InitializeEx(0);
PyEval_InitThreads();
#endif
advance_func = (mraa_adv_func_t*) malloc(sizeof(mraa_adv_func_t));
memset(advance_func, 0, sizeof(mraa_adv_func_t));
#if defined(X86PLAT)
#ifdef X86PLAT
// Use runtime x86 platform detection
platform_type = mraa_x86_platform();
#elif defined(ARMPLAT)
#ifdef USBPLAT
// This is a platform extender so create null base platform if one doesn't already exist
if (plat == NULL) {
plat = (mraa_board_t*) calloc(1, sizeof(mraa_board_t));
plat->platform_name = "Null platform";
if (plat != NULL) {
int usb_platform_type = mraa_usb_platform_extender(plat);
if (platform_type == MRAA_UNKNOWN_PLATFORM)
platform_type = usb_platform_type;
}
}
#endif
#if defined(ARMPLAT)
// Use runtime ARM platform detection
platform_type = mraa_arm_platform();
#else
#error mraa_ARCH NOTHING
#endif
if (plat == NULL) {
@@ -115,7 +127,7 @@ mraa_init()
return MRAA_ERROR_PLATFORM_NOT_INITIALISED;
}
syslog(LOG_INFO, "libmraa initialised for platform '%s' of type %d", mraa_get_platform_name(), platform_type);
syslog(LOG_NOTICE, "libmraa initialised for platform '%s' of type %d", mraa_get_platform_name(), platform_type);
return MRAA_SUCCESS;
}
@@ -355,6 +367,17 @@ mraa_get_pin_name(int pin)
return (char*) plat->pins[pin].name;
}
int
mraa_get_default_i2c_bus()
{
if (plat == NULL) {
return -1;
} else
return plat->def_i2c_bus;
}
mraa_boolean_t
mraa_file_exist(const char* filename)
{