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4 Commits

Author SHA1 Message Date
Karl Palsson
1edcc1b7da stm32: i2c-v2: drop overly specific speed helpers 
Will be replaced by generic speed helpers.
 2017-03-30 21:48:08 +00:00
Karl Palsson
24225816a1 stm32: i2c-v2: simplify boolean functions 
No need to check results and return 1 or 0.  The result itself is
suitable for use directly as a boolean, and a boolean is the intended
outcome.
 2017-03-30 21:48:08 +00:00
Karl Palsson
ca7b27e039 stm32: i2cv2: drop i2c_set_clock_frequency 
It's not implemented, and not meaningful for i2c v2 peripheral
 2017-03-30 21:48:07 +00:00
Sergey Matyukevich
ef91856ac1 stm32: unify i2c implementations 
The f1, f2, f4, l1 chip families have a similar "v1" i2c peripheral on board.
More recent f0, f3, l0, l3 chip families share another "v2" version  of i2c.

This patch unifies headers and implementation for two types of i2c peripherals:

- rename: i2c_common_all.[ch] to i2c_common_v1.[ch]
- remove i2c_common_f24.h: extra I2C blocks are defined in specific headers
- use f3 i2c code as a basis for common "v2" i2c implementation
- add f0 i2c support: use "v2" i2c implementation

Tests:
- tested on a custom f0 board
- compile-tested both libopencm3 and libopencm3-examples for all stm32

Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
 2017-03-30 21:48:07 +00:00