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authorKevin O'Connor <kevin@koconnor.net>2018-12-25 11:12:00 -0500
committerKevin O'Connor <kevin@koconnor.net>2019-01-07 19:30:17 -0500
commitf0715de0049b238b4bbcb0389fe5848fd271118e (patch)
tree92e0476087aba9d2ee51a2d19c2c13e429a85c68 /src/sam4e8e/i2c.c
parent9a2160f660534eecf2b1bb59e9447b7240e7d5d0 (diff)
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sam4e8e: Move gpio_set_peripheral() definition from gpio.h to internal.h
Use internal.h in a similar way to the internal.h in sam3x8e. Also, move the twi pin definitions from internal.h to i2c.c (as they are only used there). Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/sam4e8e/i2c.c')
-rw-r--r--src/sam4e8e/i2c.c26
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)