jacob.eva/arduino-esp32
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remove unnecessary locks

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This commit is contained in:
me-no-dev 2016-10-14 03:24:20 +03:00
parent f9f895797a
commit 9116cc4311
1 changed files with 3 additions and 9 deletions
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12
cores/esp32/esp32-hal-i2c.c
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@ -55,11 +55,9 @@ i2c_err_t i2cAttachSCL(i2c_t * i2c, int8_t scl)
if(i2c == NULL){
return I2C_ERROR_DEV;
}
I2C_MUTEX_LOCK();
pinMode(scl, OUTPUT);
pinMatrixOutAttach(scl, I2C_SCL_IDX(i2c->num), false, false);
pinMatrixInAttach(scl, I2C_SCL_IDX(i2c->num), false);
I2C_MUTEX_UNLOCK();
return I2C_ERROR_OK;
}
@ -68,11 +66,9 @@ i2c_err_t i2cDetachSCL(i2c_t * i2c, int8_t scl)
if(i2c == NULL){
return I2C_ERROR_DEV;
}
I2C_MUTEX_LOCK();
pinMatrixOutDetach(scl, false, false);
pinMatrixInDetach(I2C_SCL_IDX(i2c->num), false, false);
pinMode(scl, INPUT);
I2C_MUTEX_UNLOCK();
return I2C_ERROR_OK;
}
@ -81,11 +77,9 @@ i2c_err_t i2cAttachSDA(i2c_t * i2c, int8_t sda)
if(i2c == NULL){
return I2C_ERROR_DEV;
}
I2C_MUTEX_LOCK();
pinMode(sda, OUTPUT_OPEN_DRAIN);
pinMatrixOutAttach(sda, I2C_SDA_IDX(i2c->num), false, false);
pinMatrixInAttach(sda, I2C_SDA_IDX(i2c->num), false);
I2C_MUTEX_UNLOCK();
return I2C_ERROR_OK;
}
@ -94,11 +88,9 @@ i2c_err_t i2cDetachSDA(i2c_t * i2c, int8_t sda)
if(i2c == NULL){
return I2C_ERROR_DEV;
}
I2C_MUTEX_LOCK();
pinMatrixOutDetach(sda, false, false);
pinMatrixInDetach(I2C_SDA_IDX(i2c->num), false, false);
pinMode(sda, INPUT);
I2C_MUTEX_UNLOCK();
return I2C_ERROR_OK;
}
@ -366,7 +358,8 @@ i2c_t * i2cInit(uint8_t i2c_num, uint16_t slave_addr, bool addr_10bit_en)
SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG,DPORT_I2C_EXT1_CLK_EN);
CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG,DPORT_I2C_EXT1_RST);
}
I2C_MUTEX_LOCK();
i2c->dev->ctr.val = 0;
i2c->dev->ctr.ms_mode = (slave_addr == 0);
i2c->dev->ctr.sda_force_out = 1 ;
@ -381,6 +374,7 @@ i2c_t * i2cInit(uint8_t i2c_num, uint16_t slave_addr, bool addr_10bit_en)
i2c->dev->slave_addr.addr = slave_addr;
i2c->dev->slave_addr.en_10bit = addr_10bit_en;
}
I2C_MUTEX_UNLOCK();
return i2c;
}