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Reduce code size and ram usage of PWM supervisor code.

This commit is contained in:
Dominic Clifton 2014-08-20 14:51:20 +01:00
parent c0a349ed60
commit 8d5b2283ec
1 changed files with 7 additions and 6 deletions
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13
src/main/drivers/pwm_rx.c
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@ -58,7 +58,8 @@ typedef struct {
captureCompare_t rise; captureCompare_t rise;
captureCompare_t fall; captureCompare_t fall;
captureCompare_t capture; captureCompare_t capture;
uint32_t largeCounter;
uint8_t missedEvents;
const timerHardware_t *timerHardware; const timerHardware_t *timerHardware;
} pwmInputPort_t; } pwmInputPort_t;
@ -221,14 +222,14 @@ static uint8_t pwmChannelsReceived = 0;
extern uint16_t debug[4]; extern uint16_t debug[4];
static void pwmOverflowCallback(uint8_t port, captureCompare_t capture) static void pwmOverflowCallback(uint8_t port, captureCompare_t capture)
{ {
UNUSED(capture);
pwmInputPort_t *pwmInputPort = &pwmInputPorts[port]; pwmInputPort_t *pwmInputPort = &pwmInputPorts[port];
pwmInputPort->largeCounter += capture; if (++pwmInputPort->missedEvents > MAX_MISSED_PWM_EVENTS) {
if (pwmInputPort->largeCounter > MAX_MISSED_PWM_EVENT_COUNTER) {
if (pwmInputPort->state == 0) { if (pwmInputPort->state == 0) {
captures[pwmInputPort->channel] = PPM_RCVR_TIMEOUT; captures[pwmInputPort->channel] = PPM_RCVR_TIMEOUT;
} }
pwmInputPort->largeCounter = 0; pwmInputPort->missedEvents = 0;
} }
} }
@ -252,7 +253,7 @@ static void pwmEdgeCallback(uint8_t port, captureCompare_t capture)
pwmInputPort->state = 0; pwmInputPort->state = 0;
pwmICConfig(timerHardwarePtr->tim, timerHardwarePtr->channel, TIM_ICPolarity_Rising); pwmICConfig(timerHardwarePtr->tim, timerHardwarePtr->channel, TIM_ICPolarity_Rising);
pwmChannelsReceived |= (1 << pwmInputPort->channel); pwmChannelsReceived |= (1 << pwmInputPort->channel);
pwmInputPort->largeCounter = 0; pwmInputPort->missedEvents = 0;
} }
} }
@ -290,7 +291,7 @@ void pwmInConfig(const timerHardware_t *timerHardwarePtr, uint8_t channel)
pwmInputPort_t *p = &pwmInputPorts[channel]; pwmInputPort_t *p = &pwmInputPorts[channel];
p->state = 0; p->state = 0;
p->largeCounter = 0; p->missedEvents = 0;
p->channel = channel; p->channel = channel;
p->mode = INPUT_MODE_PWM; p->mode = INPUT_MODE_PWM;
p->timerHardware = timerHardwarePtr; p->timerHardware = timerHardwarePtr;