Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-23 16:25:31 +03:00
Code Issues Wiki Activity

PWM output calculations dynamic based on clock speed

Browse source
This commit is contained in:
blckmn 2017-06-28 21:59:42 +10:00
parent 14f82e2a63
commit b9ebf8f4fd
11 changed files with 117 additions and 139 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/main/drivers/serial_escserial.c
View file

@ -184,8 +184,7 @@ static void serialTimerTxConfigBL(const timerHardware_t *timerHardwarePtr, uint8
}
} while (isTimerPeriodTooLarge(timerPeriod));
uint8_t mhz = clock / 1000000;
timerConfigure(timerHardwarePtr, timerPeriod, mhz);
timerConfigure(timerHardwarePtr, timerPeriod, clock);
timerChCCHandlerInit(&escSerialPorts[reference].timerCb, onSerialTimerBL);
timerChConfigCallbacks(timerHardwarePtr, &escSerialPorts[reference].timerCb, NULL);
}
@ -193,9 +192,8 @@ static void serialTimerTxConfigBL(const timerHardware_t *timerHardwarePtr, uint8
static void serialTimerRxConfigBL(const timerHardware_t *timerHardwarePtr, uint8_t reference, portOptions_t options)
{
// start bit is usually a FALLING signal
uint8_t mhz = SystemCoreClock / 2000000;
TIM_DeInit(timerHardwarePtr->tim);
timerConfigure(timerHardwarePtr, 0xFFFF, mhz);
timerConfigure(timerHardwarePtr, 0xFFFF, SystemCoreClock / 2);
escSerialICConfig(timerHardwarePtr->tim, timerHardwarePtr->channel, (options & SERIAL_INVERTED) ? TIM_ICPolarity_Rising : TIM_ICPolarity_Falling);
timerChCCHandlerInit(&escSerialPorts[reference].edgeCb, onSerialRxPinChangeBL);
timerChConfigCallbacks(timerHardwarePtr, &escSerialPorts[reference].edgeCb, NULL);
@ -203,9 +201,9 @@ static void serialTimerRxConfigBL(const timerHardware_t *timerHardwarePtr, uint8
static void escSerialTimerTxConfig(const timerHardware_t *timerHardwarePtr, uint8_t reference)
{
uint32_t timerPeriod=34;
uint32_t timerPeriod = 34;
TIM_DeInit(timerHardwarePtr->tim);
timerConfigure(timerHardwarePtr, timerPeriod, 1);
timerConfigure(timerHardwarePtr, timerPeriod, 1e6);
timerChCCHandlerInit(&escSerialPorts[reference].timerCb, onSerialTimerEsc);
timerChConfigCallbacks(timerHardwarePtr, &escSerialPorts[reference].timerCb, NULL);
}
@ -228,7 +226,7 @@ static void escSerialTimerRxConfig(const timerHardware_t *timerHardwarePtr, uint
{
// start bit is usually a FALLING signal
TIM_DeInit(timerHardwarePtr->tim);
timerConfigure(timerHardwarePtr, 0xFFFF, 1);
timerConfigure(timerHardwarePtr, 0xFFFF, 1e6);
escSerialICConfig(timerHardwarePtr->tim, timerHardwarePtr->channel, TIM_ICPolarity_Falling);
timerChCCHandlerInit(&escSerialPorts[reference].edgeCb, onSerialRxPinChangeEsc);
timerChConfigCallbacks(timerHardwarePtr, &escSerialPorts[reference].edgeCb, NULL);