LineageOS/android_hardware_libhardware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

add i2c_device_address member to nfc_pn544_device_t

Browse Source 
Add I2C slave address. Multiple I2C addresses are possible
for PN544 module. Configure address according to board design.

Change-Id: I847e8f3db631f5039cf15143a9982f4b9b209f27
This commit is contained in:
Rakesh Goyal
2012-01-27 18:13:29 +05:30
committed by Ramanan Rajeswaran
parent a9b677fce4
commit 4cbd62c2ca
2 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/hardware/nfc.h
View File

@@ -76,6 +76,11 @@ typedef struct {
* Set to 0 to disable the workaround, 1 to enable it. * Set to 0 to disable the workaround, 1 to enable it.
*/ */
uint8_t enable_i2c_workaround; uint8_t enable_i2c_workaround;
/* I2C slave address. Multiple I2C addresses are
* possible for PN544 module. Configure address according to
* board design.
*/
uint8_t i2c_device_address;
} nfc_pn544_device_t; } nfc_pn544_device_t;
static inline int nfc_pn544_open(const struct hw_module_t* module, static inline int nfc_pn544_open(const struct hw_module_t* module,

1
modules/nfc/nfc_hw_example.c
View File

@@ -44,6 +44,7 @@ static int nfc_open(const hw_module_t* module, const char* name,
dev->linktype = PN544_LINK_TYPE_INVALID; dev->linktype = PN544_LINK_TYPE_INVALID;
dev->device_node = NULL; dev->device_node = NULL;
dev->enable_i2c_workaround = 0; dev->enable_i2c_workaround = 0;
dev->i2c_device_address = 0;
*device = (hw_device_t*) dev; *device = (hw_device_t*) dev;
return 0; return 0;