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machine/samd21: use HasBits() method to simplify bit comparisons

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Signed-off-by: Ron Evans <ron@hybridgroup.com>
This commit is contained in:
Ron Evans
2019-05-27 15:38:28 +02:00
committed by Ayke
parent be491abc46
commit 2504754325
3 changed files with 63 additions and 63 deletions
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src/machine/machine_stm32f103xx.go
+5 -5
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@@ -439,7 +439,7 @@ func (i2c I2C) Tx(addr uint16, w, r []byte) error {
// clear timeout here
timeout := i2cTimeout
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL|stm32.I2C_SR2_BUSY) {
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL | stm32.I2C_SR2_BUSY) {
timeout--
if timeout == 0 {
return errors.New("I2C timeout on read clear address")
@@ -478,7 +478,7 @@ func (i2c I2C) Tx(addr uint16, w, r []byte) error {
// clear address here
timeout := i2cTimeout
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL|stm32.I2C_SR2_BUSY) {
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL | stm32.I2C_SR2_BUSY) {
timeout--
if timeout == 0 {
return errors.New("I2C timeout on read clear address")
@@ -524,7 +524,7 @@ func (i2c I2C) Tx(addr uint16, w, r []byte) error {
// clear address here
timeout := i2cTimeout
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL|stm32.I2C_SR2_BUSY) {
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL | stm32.I2C_SR2_BUSY) {
timeout--
if timeout == 0 {
return errors.New("I2C timeout on read clear address")
@@ -579,7 +579,7 @@ func (i2c I2C) Tx(addr uint16, w, r []byte) error {
// clear address here
timeout := i2cTimeout
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL|stm32.I2C_SR2_BUSY) {
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL | stm32.I2C_SR2_BUSY) {
timeout--
if timeout == 0 {
return errors.New("I2C timeout on read clear address")
@@ -721,7 +721,7 @@ func (i2c I2C) sendAddress(address uint8, write bool) error {
}
timeout = i2cTimeout
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL|stm32.I2C_SR2_BUSY|stm32.I2C_SR2_TRA) {
for !i2c.Bus.SR2.HasBits(stm32.I2C_SR2_MSL | stm32.I2C_SR2_BUSY | stm32.I2C_SR2_TRA) {
timeout--
if timeout == 0 {
return errors.New("I2C timeout on send write address")