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i2c_master: fix wait_stop call

This commit is contained in:
King Kévin 2020-12-16 02:38:57 +01:00
parent 0c723fee11
commit 99593b92d0
1 changed files with 3 additions and 6 deletions
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9
lib/i2c_master.c
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@ -158,13 +158,10 @@ try:
}
/** wait until stop is sent and bus is released
* @param[in] i2c I²C base address
* @return I²C return code
*/
static enum i2c_master_rc i2c_master_wait_stop(uint32_t i2c)
static enum i2c_master_rc i2c_master_wait_stop(void)
{
cm3_assert(I2C1 == i2c || I2C2 == i2c);
enum i2c_master_rc to_return = I2C_MASTER_RC_NONE; // return code
// prepare timer in case the peripheral hangs on sending stop condition (see errata 2.14.4 Wrong behavior of I²C peripheral in master mode after a misplaced Stop)
systick_counter_disable(); // disable SysTick to reconfigure it
@ -222,7 +219,7 @@ enum i2c_master_rc i2c_master_stop(void)
}
i2c_send_stop(I2C(I2C_MASTER_I2C)); // send stop to release bus
return i2c_master_wait_stop(I2C(I2C_MASTER_I2C));
return i2c_master_wait_stop();
}
enum i2c_master_rc i2c_master_select_slave(uint16_t slave, bool address_10bit, bool write)
@ -343,7 +340,7 @@ enum i2c_master_rc i2c_master_read(uint8_t* data, size_t data_size)
data[i] = i2c_get_data(I2C(I2C_MASTER_I2C)); // read received byte
}
return i2c_master_wait_stop(I2C(I2C_MASTER_I2C));
return i2c_master_wait_stop();
}
enum i2c_master_rc i2c_master_write(const uint8_t* data, size_t data_size)