diff options
Diffstat (limited to 'src/sam4e8e/i2c.c')
| -rw-r--r-- | src/sam4e8e/i2c.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/sam4e8e/i2c.c b/src/sam4e8e/i2c.c index ccd394cd..454de61b 100644 --- a/src/sam4e8e/i2c.c +++ b/src/sam4e8e/i2c.c @@ -5,12 +5,30 @@ // // This file may be distributed under the terms of the GNU GPLv3 license. -#include "gpio.h" -#include "internal.h" +#include "autoconf.h" // CONFIG_CLOCK_FREQ +#include "board/misc.h" // timer_from_us #include "command.h" // shutdown +#include "gpio.h" // i2c_setup +#include "internal.h" // gpio_peripheral +#include "sam4e.h" // TWI0 #include "sched.h" // sched_shutdown -#include "autoconf.h" // CONFIG_CLOCK_FREQ -#include "board/misc.h" //timer_from_us + +// I2C pin definitions +#define TWI0_SCL_BANK 'A' +#define TWI0_SCL_PIN PIO_PA4A_TWCK0 +#define TWI0_SCL_PERIPH 'A' + +#define TWI0_SDA_BANK 'A' +#define TWI0_SDA_PIN PIO_PA3A_TWD0 +#define TWI0_SDA_PERIPH 'A' + +#define TWI1_SCL_BANK 'B' +#define TWI1_SCL_PIN PIO_PB5A_TWCK1 +#define TWI1_SCL_PERIPH 'A' + +#define TWI1_SDA_BANK 'B' +#define TWI1_SDA_PIN PIO_PB4A_TWD1 +#define TWI1_SDA_PERIPH 'A' void i2c_init(Twi *p_twi, uint32_t rate) |