From 2e618850702bc9a55b1a530c89ab928c2d09501c Mon Sep 17 00:00:00 2001 From: Niclas Hoyer Date: Sat, 14 Jan 2023 17:51:33 +0100 Subject: Add calculator watch face (#111) --- movement/make/Makefile | 1 + movement/movement_faces.h | 1 + .../watch_faces/complication/rpn_calculator_face.c | 347 +++++++++++++++++++++ .../watch_faces/complication/rpn_calculator_face.h | 72 +++++ 4 files changed, 421 insertions(+) create mode 100644 movement/watch_faces/complication/rpn_calculator_face.c create mode 100644 movement/watch_faces/complication/rpn_calculator_face.h diff --git a/movement/make/Makefile b/movement/make/Makefile index 1ecb7c28..a8b7f4b8 100644 --- a/movement/make/Makefile +++ b/movement/make/Makefile @@ -86,6 +86,7 @@ SRCS += \ ../watch_faces/complication/tempchart_face.c \ ../watch_faces/complication/tally_face.c \ ../watch_faces/complication/tarot_face.c \ + ../watch_faces/complication/rpn_calculator_face.c \ # New watch faces go above this line. # Leave this line at the bottom of the file; it has all the targets for making your project. diff --git a/movement/movement_faces.h b/movement/movement_faces.h index c251d68b..84d04653 100644 --- a/movement/movement_faces.h +++ b/movement/movement_faces.h @@ -71,6 +71,7 @@ #include "tally_face.h" #include "tarot_face.h" #include "interval_face.h" +#include "rpn_calculator_face.h" // New includes go above this line. #endif // MOVEMENT_FACES_H_ diff --git a/movement/watch_faces/complication/rpn_calculator_face.c b/movement/watch_faces/complication/rpn_calculator_face.c new file mode 100644 index 00000000..5ba5e559 --- /dev/null +++ b/movement/watch_faces/complication/rpn_calculator_face.c @@ -0,0 +1,347 @@ +/* + * MIT License + * + * Copyright (c) 2022 Niclas Hoyer + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include "rpn_calculator_face.h" + +static void draw_number(char *buf, float num) { + float f = fmodf(num, 1.0) * 100; + sprintf(buf, "CA %4d%02d", ((int)num) % 10000, (int) f); +} + +static void draw_op(char *buf, rpn_calculator_op_t op) { + switch (op) { + case rpn_calculator_op_add: + sprintf(buf, "CA Add"); + break; + case rpn_calculator_op_sub: + sprintf(buf, "CA sub"); + break; + case rpn_calculator_op_mul: + sprintf(buf, "CA n&ul"); + break; + case rpn_calculator_op_div: + sprintf(buf, "CA div"); + break; + case rpn_calculator_op_pow: + sprintf(buf, "CA pow"); + break; + case rpn_calculator_op_sqrt: + sprintf(buf, "CA sqrt"); + break; + case rpn_calculator_op_pi: + sprintf(buf, "CA pi"); + break; + default: + break; + } +} + +static void printf_stack(rpn_calculator_state_t *state) { + printf("Stack: [%f, %f, %f, %f], top: %d\n", + state->stack[0], + state->stack[1], + state->stack[2], + state->stack[3], + state->top + ); +} + +static void next_op(rpn_calculator_state_t *state) { + state->op += 1; + state->op = state->op % RPN_CALCULATOR_MAX_OPS; +} + +// increase a digit of a floating point number +// FIXME: this converts the number to string and back, there might +// be better ways to do this +static float inc_digit(float num, uint8_t position) { + char buf[7]; + if (position > 5) { + return 0.0; + } + // inverse position (rtl) + position = 5 - position; + float f = fmodf(num, 1.0) * 100; + sprintf(buf, "%04d%02d", ((int)num) % 10000, (int) f); + uint8_t digit = buf[position] - '0'; + digit = (digit + 1) % 10; + buf[position] = digit + '0'; + printf("buf: %s\n", buf); + return strtof(buf, NULL) / 100.0; +} + +static void stack_push(rpn_calculator_state_t *state, float f) { + printf_stack(state); + printf("push: %f\n", f); + state->top++; + if (state->top >= RPN_CALCULATOR_STACK_SIZE) { + // FIXME: implement this using a circular buffer? + for (int i=0; istack[i] = state->stack[i+1]; + } + } + state->stack[state->top] = f; +} + +static float stack_peek(rpn_calculator_state_t *state) { + if (state->top > -1) { + return state->stack[state->top]; + } + return 0; +} + +static float stack_pop(rpn_calculator_state_t *state) { + printf_stack(state); + float f = stack_peek(state); + state->stack[state->top] = 0; + printf("pop: %f\n", f); + if (state->top > -1) { + state->top--; + } else { + state->top = -1; // empty + } + return f; +} + +static void run_op(rpn_calculator_state_t *state) { + printf_stack(state); + bool op_found = false; + // ops without parameters + switch (state->op) { + case rpn_calculator_op_pi: + stack_push(state, M_PI); + op_found = true; + break; + default: + break; + } + if (op_found) { + state->mode = rpn_calculator_waiting; + return; + } + + // ops with one parameter + if (state->top < 0) { + state->mode = rpn_calculator_err; + return; + } + float right = stack_pop(state); + printf("right: %f\n", right); + switch (state->op) { + case rpn_calculator_op_sqrt: + stack_push(state, sqrt(right)); + op_found = true; + break; + default: + break; + } + if (op_found) { + state->mode = rpn_calculator_waiting; + return; + } + + // ops with two parameters + if (state->top < 0) { + // no parameter left -> error + state->mode = rpn_calculator_err; + return; + } + float left = stack_pop(state); + printf("left: %f\n", left); + switch (state->op) { + case rpn_calculator_op_add: + stack_push(state, left + right); + op_found = true; + break; + case rpn_calculator_op_sub: + stack_push(state, left - right); + op_found = true; + break; + case rpn_calculator_op_mul: + stack_push(state, left * right); + op_found = true; + break; + case rpn_calculator_op_div: + stack_push(state, left / right); + op_found = true; + break; + case rpn_calculator_op_pow: + stack_push(state, powf(left, right)); + op_found = true; + break; + default: + break; + } + if (op_found) { + state->mode = rpn_calculator_waiting; + return; + } + state->mode = rpn_calculator_err; +} + +static void draw(rpn_calculator_state_t *state, uint8_t subsecond, movement_settings_t *settings) { + char buf[16]; + switch (state->mode) { + case rpn_calculator_err: + sprintf(buf, "CA err "); + break; + case rpn_calculator_number: + draw_number(buf, stack_peek(state)); + uint8_t i = 4 + (5 - state->selection); + if (buf[i] == ' ') { + buf[i] = '0'; + } + if (subsecond % 2) { + buf[i] = ' '; + } + break; + case rpn_calculator_waiting: + printf_stack(state); + draw_number(buf, stack_peek(state)); + break; + case rpn_calculator_op: + draw_op(buf, state->op); + break; + default: + break; + } + watch_display_string(buf, 0); +} + +void rpn_calculator_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) { + (void) settings; + if (*context_ptr == NULL) { + *context_ptr = malloc(sizeof(rpn_calculator_state_t)); + memset(*context_ptr, 0, sizeof(rpn_calculator_state_t)); + // Do any one-time tasks in here; the inside of this conditional happens only at boot. + rpn_calculator_state_t *state = *context_ptr; + state->top = -1; + } + // Do any pin or peripheral setup here; this will be called whenever the watch wakes from deep sleep. +} + +void rpn_calculator_face_activate(movement_settings_t *settings, void *context) { + (void) settings; + rpn_calculator_state_t *state = (rpn_calculator_state_t *)context; + (void) state; + + // Handle any tasks related to your watch face coming on screen. +} + +bool rpn_calculator_face_loop(movement_event_t event, movement_settings_t *settings, void *context) { + rpn_calculator_state_t *state = (rpn_calculator_state_t *)context; + + switch (event.event_type) { + case EVENT_ACTIVATE: + draw(state, event.subsecond, settings); + break; + case EVENT_TICK: + if (state->mode == rpn_calculator_number) { + draw(state, event.subsecond, settings); + } + break; + case EVENT_MODE_BUTTON_UP: + switch (state->mode) { + case rpn_calculator_number: + state->mode = rpn_calculator_waiting; + draw(state, event.subsecond, settings); + movement_request_tick_frequency(1); + break; + default: + state->mode = rpn_calculator_waiting; + movement_request_tick_frequency(1); + movement_move_to_next_face(); + break; + } + break; + case EVENT_LIGHT_BUTTON_UP: + switch (state->mode) { + case rpn_calculator_waiting: + state->mode = rpn_calculator_op; + draw(state, event.subsecond, settings); + break; + case rpn_calculator_number: + state->selection = (state->selection + 1) % 6; + draw(state, event.subsecond, settings); + break; + case rpn_calculator_op: + next_op(state); + draw(state, event.subsecond, settings); + break; + default: + movement_illuminate_led(); + break; + } + break; + case EVENT_ALARM_BUTTON_UP: + switch (state->mode) { + case rpn_calculator_waiting: + state->mode = rpn_calculator_number; + state->selection = 2; + stack_push(state, 0); + draw(state, event.subsecond, settings); + movement_request_tick_frequency(4); + break; + case rpn_calculator_number: + state->stack[state->top] = inc_digit(state->stack[state->top], state->selection); + printf_stack(state); + draw(state, event.subsecond, settings); + break; + case rpn_calculator_err: + state->mode = rpn_calculator_waiting; + draw(state, event.subsecond, settings); + break; + case rpn_calculator_op: + run_op(state); + draw(state, event.subsecond, settings); + break; + default: + break; + } + break; + case EVENT_TIMEOUT: + state->mode = rpn_calculator_waiting; + movement_request_tick_frequency(1); + movement_move_to_face(0); + break; + case EVENT_LOW_ENERGY_UPDATE: + break; + default: + break; + } + + // return true if the watch can enter standby mode. If you are PWM'ing an LED or buzzing the buzzer here, + // you should return false since the PWM driver does not operate in standby mode. + return true; +} + +void rpn_calculator_face_resign(movement_settings_t *settings, void *context) { + (void) settings; + (void) context; + + // handle any cleanup before your watch face goes off-screen. +} diff --git a/movement/watch_faces/complication/rpn_calculator_face.h b/movement/watch_faces/complication/rpn_calculator_face.h new file mode 100644 index 00000000..b47eeea2 --- /dev/null +++ b/movement/watch_faces/complication/rpn_calculator_face.h @@ -0,0 +1,72 @@ +/* + * MIT License + * + * Copyright (c) 2022 Niclas Hoyer + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef RPN_CALCULATOR_FACE_H_ +#define RPN_CALCULATOR_FACE_H_ + +#include "movement.h" + +#define RPN_CALCULATOR_STACK_SIZE 4 +#define RPN_CALCULATOR_MAX_OPS 7; + +typedef enum { + rpn_calculator_op_add, + rpn_calculator_op_sub, + rpn_calculator_op_mul, + rpn_calculator_op_div, + rpn_calculator_op_pow, + rpn_calculator_op_sqrt, + rpn_calculator_op_pi +} rpn_calculator_op_t; + +typedef enum { + rpn_calculator_waiting, + rpn_calculator_op, + rpn_calculator_number, + rpn_calculator_err, +} rpn_calculator_mode_t; + +typedef struct { + rpn_calculator_mode_t mode; + rpn_calculator_op_t op; + float stack[RPN_CALCULATOR_STACK_SIZE]; + int8_t top; + uint8_t selection; +} rpn_calculator_state_t; + +void rpn_calculator_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr); +void rpn_calculator_face_activate(movement_settings_t *settings, void *context); +bool rpn_calculator_face_loop(movement_event_t event, movement_settings_t *settings, void *context); +void rpn_calculator_face_resign(movement_settings_t *settings, void *context); + +#define rpn_calculator_face ((const watch_face_t){ \ + rpn_calculator_face_setup, \ + rpn_calculator_face_activate, \ + rpn_calculator_face_loop, \ + rpn_calculator_face_resign, \ + NULL, \ +}) + +#endif // RPN_CALCULATOR_FACE_H_ + -- cgit v1.2.3