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Merge pull request #8518 from Bob-the-Kuhn/temp-test-servo-2

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[2.0.x] LP1768 - fix PWMs
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Bob-the-Kuhn 2017-11-21 21:54:25 -06:00 committed by GitHub
commit 0c95262b9e
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1 changed files with 8 additions and 4 deletions
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12
Marlin/src/HAL/HAL_LPC1768/LPC1768_PWM.cpp
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@ -245,14 +245,15 @@ bool LPC1768_PWM_detach_pin(pin_t pin) {
pin = GET_PIN_MAP_PIN(GET_PIN_MAP_INDEX(pin & 0xFF)); pin = GET_PIN_MAP_PIN(GET_PIN_MAP_INDEX(pin & 0xFF));
NVIC_EnableIRQ(PWM1_IRQn); // ?? fixes compiler problem?? ISR won't start
// unless put in an extra "enable"
NVIC_DisableIRQ(PWM1_IRQn); NVIC_DisableIRQ(PWM1_IRQn);
uint8_t slot = 0xFF; uint8_t slot = 0xFF;
for (uint8_t i = 0; i < NUM_PWMS; i++) // find slot for (uint8_t i = 0; i < NUM_PWMS; i++) // find slot
if (ISR_table[i].pin == pin) { slot = i; break; } if (ISR_table[i].pin == pin) { slot = i; break; }
if (slot == 0xFF) return false; // return error if pin not found if (slot == 0xFF) { // return error if pin not found
NVIC_EnableIRQ(PWM1_IRQn);
return false;
}
LPC1768_PWM_update_map_MR(); LPC1768_PWM_update_map_MR();
@ -315,7 +316,10 @@ bool LPC1768_PWM_write(pin_t pin, uint32_t value) {
uint8_t slot = 0xFF; uint8_t slot = 0xFF;
for (uint8_t i = 0; i < NUM_PWMS; i++) // find slot for (uint8_t i = 0; i < NUM_PWMS; i++) // find slot
if (ISR_table[i].pin == pin) { slot = i; break; } if (ISR_table[i].pin == pin) { slot = i; break; }
if (slot == 0xFF) return false; // return error if pin not found if (slot == 0xFF) { // return error if pin not found
NVIC_EnableIRQ(PWM1_IRQn);
return false;
}
LPC1768_PWM_update_map_MR(); LPC1768_PWM_update_map_MR();