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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-21 16:04:18 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-22 14:06:10 -0400 |
| commit | 4d133982271fd063779174d1695e14c7821c6da6 (patch) | |
| tree | c08584759d953e6e1eed61d6af540a57903388d4 /libmaple/stm32f1 | |
| parent | 70f22b667a7d91c68d663c1bf9ef1c0bdcbdd377 (diff) | |
| download | librambutan-4d133982271fd063779174d1695e14c7821c6da6.tar.gz librambutan-4d133982271fd063779174d1695e14c7821c6da6.zip | |
I2C: Deprecate I2C_REMAP flag.
This is ad-hoc and nonportable. If you really want I2C mapped
elsewhere, then mess with the I2C device fields and call afio_remap()
yourself. (This is also cleaner for F2).
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'libmaple/stm32f1')
| -rw-r--r-- | libmaple/stm32f1/include/series/i2c.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libmaple/stm32f1/include/series/i2c.h b/libmaple/stm32f1/include/series/i2c.h index 315a7e3..a0822e8 100644 --- a/libmaple/stm32f1/include/series/i2c.h +++ b/libmaple/stm32f1/include/series/i2c.h @@ -34,6 +34,7 @@ #define _LIBMAPLE_STM32F1_I2C_H_ #include <libmaple/i2c_common.h> +#include <libmaple/gpio.h> #include <libmaple/stm32.h> /* @@ -66,4 +67,19 @@ static inline uint32 _i2c_bus_clk(i2c_dev *dev) { #define _I2C_HAVE_IRQ_FIXUP 1 void _i2c_irq_priority_fixup(i2c_dev *dev); +/* + * Deprecated functionality + */ + +/* Flag to use alternate pin mapping in i2c_master_enable(). */ +#define _I2C_HAVE_DEPRECATED_I2C_REMAP 1 +#define I2C_REMAP 0x4 +static inline void _i2c_handle_remap(i2c_dev *dev, uint32 flags) { + if ((dev == I2C1) && (flags & I2C_REMAP)) { + afio_remap(AFIO_REMAP_I2C1); + I2C1->sda_pin = 9; + I2C1->scl_pin = 8; + } +} + #endif /* _LIBMAPLE_STM32F1_I2C_H_ */ |