Frank
5 年之前
+ 2
- 2
teensy4/pwm.c
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| { | { | ||||
| uint16_t mask = 1 << submodule; | uint16_t mask = 1 << submodule; | ||||
| uint32_t olddiv = p->SM[submodule].VAL1; | uint32_t olddiv = p->SM[submodule].VAL1; | ||||
| uint32_t newdiv = (uint32_t)((float)F_BUS_ACTUAL / frequency + 0.5); | |||||
| uint32_t newdiv = (uint32_t)((float)F_BUS_ACTUAL / frequency + 0.5f); | |||||
| uint32_t prescale = 0; | uint32_t prescale = 0; | ||||
| //printf(" div=%lu\n", newdiv); | //printf(" div=%lu\n", newdiv); | ||||
| while (newdiv > 65535 && prescale < 7) { | while (newdiv > 65535 && prescale < 7) { | ||||
| void quadtimerFrequency(IMXRT_TMR_t *p, unsigned int submodule, float frequency) | void quadtimerFrequency(IMXRT_TMR_t *p, unsigned int submodule, float frequency) | ||||
| { | { | ||||
| uint32_t newdiv = (uint32_t)((float)F_BUS_ACTUAL / frequency + 0.5); | |||||
| uint32_t newdiv = (uint32_t)((float)F_BUS_ACTUAL / frequency + 0.5f); | |||||
| uint32_t prescale = 0; | uint32_t prescale = 0; | ||||
| //printf(" div=%lu\n", newdiv); | //printf(" div=%lu\n", newdiv); | ||||
| while (newdiv > 65534 && prescale < 7) { | while (newdiv > 65534 && prescale < 7) { |
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