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authorTimofey Titovets <nefelim4ag@gmail.com>2024-10-21 14:19:56 +0200
committerKevinOConnor <kevin@koconnor.net>2024-10-26 22:06:30 -0400
commita4aa2a900267c83d20247f93e6ddb06f63324135 (patch)
tree7c0d71f171ebc997e9205f8ed0489017a70878bc /src/rp2040/i2c.c
parent08a85ba869c3232ca7063c737c238ca41e20885e (diff)
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i2c: handle errors at i2ccmds
Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
Diffstat (limited to 'src/rp2040/i2c.c')
-rw-r--r--src/rp2040/i2c.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/rp2040/i2c.c b/src/rp2040/i2c.c
index 84b627ce..81e2dab6 100644
--- a/src/rp2040/i2c.c
+++ b/src/rp2040/i2c.c
@@ -11,6 +11,7 @@
#include "internal.h" // pclock, gpio_peripheral
#include "hardware/regs/resets.h" // RESETS_RESET_I2C*_BITS
#include "hardware/structs/i2c.h"
+#include "i2ccmds.h" // I2C_BUS_SUCCESS
struct i2c_info {
i2c_hw_t *i2c;
@@ -211,7 +212,7 @@ i2c_do_read(i2c_hw_t *i2c, uint8_t addr, uint8_t read_len, uint8_t *read
}
}
-void
+int
i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write)
{
i2c_hw_t *i2c = (i2c_hw_t*)config.i2c;
@@ -220,9 +221,11 @@ i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write)
i2c_start(i2c, config.addr);
i2c_do_write(i2c, config.addr, write_len, write, 1, timeout);
i2c_stop(i2c);
+
+ return I2C_BUS_SUCCESS;
}
-void
+int
i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
, uint8_t read_len, uint8_t *read)
{
@@ -234,4 +237,6 @@ i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
i2c_do_write(i2c, config.addr, reg_len, reg, 0, timeout);
i2c_do_read(i2c, config.addr, read_len, read, timeout);
i2c_stop(i2c);
+
+ return I2C_BUS_SUCCESS;
}