Consolidate PWMOUT error enum

We already consolidated the resulting message

Author: tannewt

ports/atmel-samd/common-hal/pwmio/PWMOut.c

@@ -150,7 +150,6 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
         // one output so we start with the TCs to see if they work.
         int8_t direction = -1;
         uint8_t start = NUM_TIMERS_PER_PIN - 1;
-        bool found = false;
         if (variable_frequency) {
             direction = 1;
             start = 0;
@@ -162,7 +161,6 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
                 continue;
             }
             if (t->is_tc) {
-                found = true;
                 Tc *tc = tc_insts[t->index];
                 if (tc->COUNT16.CTRLA.bit.ENABLE == 0 && t->wave_output == 1) {
                     timer = t;
@@ -178,10 +176,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
         }
 
         if (timer == NULL) {
-            if (found) {
-                return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
-            }
-            return PWMOUT_ALL_TIMERS_IN_USE;
+            return PWMOUT_INTERNAL_RESOURCES_IN_USE;
         }
 
         uint8_t resolution = 0;

ports/espressif/common-hal/pwmio/PWMOut.c

@@ -103,7 +103,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
     }
     if (timer_index == INDEX_EMPTY) {
         // Running out of timers isn't pin related on ESP32S2.
-        return PWMOUT_ALL_TIMERS_IN_USE;
+        return PWMOUT_INTERNAL_RESOURCES_IN_USE;
     }
 
     // Find a viable channel
@@ -114,7 +114,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
         }
     }
     if (channel_index == INDEX_EMPTY) {
-        return PWMOUT_ALL_CHANNELS_IN_USE;
+        return PWMOUT_INTERNAL_RESOURCES_IN_USE;
     }
 
     // Run configuration

ports/mimxrt10xx/common-hal/pwmio/PWMOut.c

@@ -189,7 +189,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
     if (((flexpwm->MCTRL >> PWM_MCTRL_RUN_SHIFT) & sm_mask) != 0) {
         // Another output has claimed this submodule for variable frequency already.
         if ((_pwm_variable_frequency[flexpwm_index] & sm_mask) != 0) {
-            return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+            return PWMOUT_INTERNAL_RESOURCES_IN_USE;
         }
 
         // We want variable frequency but another class has already claim a fixed frequency.
@@ -199,7 +199,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
 
         // Another pin is already using this output.
         if ((flexpwm->OUTEN & outen_mask) != 0) {
-            return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+            return PWMOUT_INTERNAL_RESOURCES_IN_USE;
         }
 
         if (frequency != _pwm_sm_frequencies[flexpwm_index][submodule]) {

ports/nrf/common-hal/pwmio/PWMOut.c

@@ -220,7 +220,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
         &channel, &pwm_already_in_use, NULL);
 
     if (self->pwm == NULL) {
-        return PWMOUT_ALL_TIMERS_IN_USE;
+        return PWMOUT_INTERNAL_RESOURCES_IN_USE;
     }
 
     self->channel = channel;

ports/raspberrypi/common-hal/pwmio/PWMOut.c

@@ -119,21 +119,21 @@ pwmout_result_t pwmout_allocate(uint8_t slice, uint8_t ab_channel, bool variable
 
     // Check the channel first.
     if ((channel_use & channel_use_mask) != 0) {
-        return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+        return PWMOUT_INTERNAL_RESOURCES_IN_USE;
     }
     // Now check if the slice is in use and if we can share with it.
     if (target_slice_frequencies[slice] > 0) {
         // If we want to change frequency then we can't share.
         if (variable_frequency) {
-            return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+            return PWMOUT_VARIABLE_FREQUENCY_NOT_AVAILABLE;
         }
         // If the other user wants a variable frequency then we can't share either.
         if ((slice_variable_frequency & (1 << slice)) != 0) {
-            return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+            return PWMOUT_INTERNAL_RESOURCES_IN_USE;
         }
         // If we're both fixed frequency but we don't match target frequencies then we can't share.
         if (target_slice_frequencies[slice] != frequency) {
-            return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+            return PWMOUT_INVALID_FREQUENCY_ON_PIN;
         }
     }
 

ports/silabs/common-hal/pwmio/PWMOut.c

@@ -83,7 +83,7 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
     }
 
     if (self->tim == NULL) {
-        return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+        return PWMOUT_INTERNAL_RESOURCES_IN_USE;
     }
 
     self->duty_cycle = duty;

ports/stm/common-hal/pwmio/PWMOut.c

@@ -110,12 +110,12 @@ pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t *self,
             if (tim_index < TIM_BANK_ARRAY_LEN && tim_channels_taken[tim_index] != 0) {
                 // Timer has already been reserved by an internal module
                 if (stm_peripherals_timer_is_reserved(mcu_tim_banks[tim_index])) {
-                    last_failure = PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+                    last_failure = PWMOUT_INTERNAL_RESOURCES_IN_USE;
                     continue; // keep looking
                 }
                 // is it the same channel? (or all channels reserved by a var-freq)
                 if (tim_channels_taken[tim_index] & (1 << tim_channel_index)) {
-                    last_failure = PWMOUT_ALL_TIMERS_ON_PIN_IN_USE;
+                    last_failure = PWMOUT_INTERNAL_RESOURCES_IN_USE;
                     continue; // keep looking, might be another viable option
                 }
                 // If the frequencies are the same it's ok

shared-bindings/pwmio/PWMOut.c

@@ -51,13 +51,7 @@ void common_hal_pwmio_pwmout_raise_error(pwmout_result_t result) {
         case PWMOUT_VARIABLE_FREQUENCY_NOT_AVAILABLE:
             mp_arg_error_invalid(MP_QSTR_variable_frequency);
             break;
-        case PWMOUT_ALL_TIMERS_ON_PIN_IN_USE:
-            mp_raise_RuntimeError(MP_ERROR_TEXT("Internal resource(s) in use"));
-            break;
-        case PWMOUT_ALL_TIMERS_IN_USE:
-            mp_raise_RuntimeError(MP_ERROR_TEXT("Internal resource(s) in use"));
-            break;
-        case PWMOUT_ALL_CHANNELS_IN_USE:
+        case PWMOUT_INTERNAL_RESOURCES_IN_USE:
             mp_raise_RuntimeError(MP_ERROR_TEXT("Internal resource(s) in use"));
             break;
         default:

shared-bindings/pwmio/PWMOut.h

@@ -38,9 +38,7 @@ typedef enum pwmout_result_t {
     PWMOUT_INVALID_FREQUENCY,
     PWMOUT_INVALID_FREQUENCY_ON_PIN,
     PWMOUT_VARIABLE_FREQUENCY_NOT_AVAILABLE,
-    PWMOUT_ALL_TIMERS_ON_PIN_IN_USE,
-    PWMOUT_ALL_TIMERS_IN_USE,
-    PWMOUT_ALL_CHANNELS_IN_USE,
+    PWMOUT_INTERNAL_RESOURCES_IN_USE,
     PWMOUT_INITIALIZATION_ERROR,
 } pwmout_result_t;