Pulled interrupts into an optional module.

esp32/optional/interrupts/interrupts.fs

@@ -0,0 +1,37 @@
+\ Copyright 2023 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+vocabulary interrupts   interrupts definitions
+transfer interrupts-builtins
+DEFINED? gpio_config [IF]
+0 constant ESP_INTR_FLAG_DEFAULT
+: ESP_INTR_FLAG_LEVELn ( n=1-6 -- n ) 1 swap lshift ;
+1 7 lshift constant ESP_INTR_FLAG_NMI
+1 8 lshift constant ESP_INTR_FLAG_SHARED
+1 9 lshift constant ESP_INTR_FLAG_EDGE
+1 10 lshift constant ESP_INTR_FLAG_IRAM
+1 11 lshift constant ESP_INTR_FLAG_INTRDISABLED
+( Prefix these with # because GPIO_INTR_DISABLE conflicts with a function. )
+0 constant #GPIO_INTR_DISABLE
+1 constant #GPIO_INTR_POSEDGE
+2 constant #GPIO_INTR_NEGEDGE
+3 constant #GPIO_INTR_ANYEDGE
+4 constant #GPIO_INTR_LOW_LEVEL
+5 constant #GPIO_INTR_HIGH_LEVEL
+( Easy word to trigger on any change to a pin )
+ESP_INTR_FLAG_DEFAULT gpio_install_isr_service drop
+: pinchange ( xt pin ) dup #GPIO_INTR_ANYEDGE gpio_set_intr_type throw
+                       swap 0 gpio_isr_handler_add throw ;
+[THEN]
+forth definitions