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Code Issues Packages Projects Releases 6 Wiki Activity

machine/stm32: 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 15:37:57 +02:00
committed by Ayke
parent 31189deb3b
commit be491abc46
4 changed files with 35 additions and 35 deletions
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src/runtime/runtime_stm32f407.go
+5 -5
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@@ -43,7 +43,7 @@ func initCLK() {
// Reset clock registers
// Set HSION
stm32.RCC.CR.SetBits(stm32.RCC_CR_HSION)
for (stm32.RCC.CR.Get() & stm32.RCC_CR_HSIRDY) == 0 {
for !stm32.RCC.CR.HasBits(stm32.RCC_CR_HSIRDY) {
}
// Reset CFGR
@@ -66,11 +66,11 @@ func initCLK() {
// Wait till HSE is ready and if timeout is reached exit
for {
startupCounter++
if (stm32.RCC.CR.Get()&stm32.RCC_CR_HSERDY != 0) || (startupCounter == HSE_STARTUP_TIMEOUT) {
if stm32.RCC.CR.HasBits(stm32.RCC_CR_HSERDY) || (startupCounter == HSE_STARTUP_TIMEOUT) {
break
}
}
if (stm32.RCC.CR.Get() & stm32.RCC_CR_HSERDY) != 0 {
if stm32.RCC.CR.HasBits(stm32.RCC_CR_HSERDY) {
// Enable high performance mode, System frequency up to 168MHz
stm32.RCC.APB1ENR.SetBits(stm32.RCC_APB1ENR_PWREN)
stm32.PWR.CR.SetBits(0x4000) // PWR_CR_VOS
@@ -187,7 +187,7 @@ func timerSleep(ticks uint32) {
//go:export TIM3_IRQHandler
func handleTIM3() {
if (stm32.TIM3.SR.Get() & stm32.TIM_SR_UIF) > 0 {
if stm32.TIM3.SR.HasBits(stm32.TIM_SR_UIF) {
// Disable the timer.
stm32.TIM3.CR1.ClearBits(stm32.TIM_CR1_CEN)
@@ -201,7 +201,7 @@ func handleTIM3() {
//go:export TIM7_IRQHandler
func handleTIM7() {
if (stm32.TIM7.SR.Get() & stm32.TIM_SR_UIF) > 0 {
if stm32.TIM7.SR.HasBits(stm32.TIM_SR_UIF) {
// clear the update flag
stm32.TIM7.SR.ClearBits(stm32.TIM_SR_UIF)
tickCount++