mbed library sources
Dependents: Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more
Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Diff: targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/i2c_api.c
- Revision:
- 178:a873352662d8
- Parent:
- 149:1fb5f62b92bd
- Child:
- 180:097147d37470
--- a/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/i2c_api.c Thu May 01 13:00:08 2014 +0100 +++ b/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/i2c_api.c Wed May 07 09:00:07 2014 +0100 @@ -44,8 +44,6 @@ {NC , NC , 0} }; -static uint8_t first_read; - void i2c_init(i2c_t *obj, PinName sda, PinName scl) { uint32_t i2c_sda = pinmap_peripheral(sda, PinMap_I2C_SDA); uint32_t i2c_scl = pinmap_peripheral(scl, PinMap_I2C_SCL); @@ -60,12 +58,10 @@ pinmap_pinout(sda, PinMap_I2C_SDA); pinmap_pinout(scl, PinMap_I2C_SCL); - first_read = 1; } int i2c_start(i2c_t *obj) { i2c_hal_send_start(obj->instance); - first_read = 1; return 0; } @@ -78,7 +74,6 @@ // This wait is also included on the samples // code provided with the freedom board for (n = 0; n < 100; n++) __NOP(); - first_read = 1; return 0; } @@ -229,26 +224,15 @@ // set rx mode i2c_hal_set_direction(obj->instance, kI2CReceive); - if(first_read) { - // first dummy read - i2c_do_read(obj, &data, 0); - first_read = 0; - } - - if (last) { - // set tx mode - i2c_hal_set_direction(obj->instance, kI2CTransmit); - return i2c_hal_read(obj->instance); - } - + // Setup read i2c_do_read(obj, &data, last); - return data; + // set tx mode + i2c_hal_set_direction(obj->instance, kI2CTransmit); + return i2c_hal_read(obj->instance); } int i2c_byte_write(i2c_t *obj, int data) { - first_read = 1; - // set tx mode i2c_hal_set_direction(obj->instance, kI2CTransmit);