471 lines
9.8 KiB
C
471 lines
9.8 KiB
C
/** @file
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* @brief Monochrome Character Framebuffer shell module
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*
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* Provide some Character Framebuffer shell commands that can be useful for
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* testing.
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*/
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/*
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* Copyright (c) 2018 Diego Sueiro
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <shell/shell.h>
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#include <display/cfb.h>
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#define HELP_NONE "[none]"
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#define HELP_INIT "call \"cfb init\" first"
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#define HELP_PRINT "<col: pos> <row: pos> \"<text>\""
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#define DISPLAY_DRIVER CONFIG_CHARACTER_FRAMEBUFFER_SHELL_DRIVER_NAME
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static struct device *dev;
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static const char * const param_name[] = {
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"height", "width", "ppt", "rows", "cols"};
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static int cmd_clear(const struct shell *shell, size_t argc, char *argv[])
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{
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int err;
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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err = cfb_framebuffer_clear(dev, true);
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if (err) {
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shell_error(shell, "Framebuffer clear error=%d", err);
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return err;
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}
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err = cfb_framebuffer_finalize(dev);
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if (err) {
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shell_error(shell, "Framebuffer finalize error=%d", err);
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return err;
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}
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shell_print(shell, "Display Cleared");
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return err;
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}
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static int cmd_cfb_print(const struct shell *shell, int col, int row, char *str)
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{
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int err;
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u8_t ppt;
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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ppt = cfb_get_display_parameter(dev, CFB_DISPLAY_PPT);
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err = cfb_framebuffer_clear(dev, false);
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if (err) {
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shell_error(shell, "Framebuffer clear failed error=%d", err);
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return err;
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}
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err = cfb_print(dev, str, col, row * ppt);
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if (err) {
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shell_error(shell, "Failed to print the string %s error=%d",
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str, err);
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return err;
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}
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err = cfb_framebuffer_finalize(dev);
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if (err) {
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shell_error(shell,
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"Failed to finalize the Framebuffer error=%d", err);
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return err;
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}
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return err;
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}
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static int cmd_print(const struct shell *shell, size_t argc, char *argv[])
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{
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int err;
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int col, row;
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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col = strtol(argv[1], NULL, 10);
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if (col > cfb_get_display_parameter(dev, CFB_DISPLAY_COLS)) {
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shell_error(shell, "Invalid col=%d position", col);
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return -EINVAL;
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}
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row = strtol(argv[2], NULL, 10);
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if (row > cfb_get_display_parameter(dev, CFB_DISPLAY_ROWS)) {
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shell_error(shell, "Invalid row=%d position", row);
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return -EINVAL;
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}
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err = cmd_cfb_print(shell, col, row, argv[3]);
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if (err) {
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shell_error(shell, "Failed printing to Framebuffer error=%d",
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err);
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}
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return err;
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}
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static int cmd_scroll_vert(const struct shell *shell, size_t argc, char *argv[])
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{
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int err = 0;
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int col, row;
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int boundary;
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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col = strtol(argv[1], NULL, 10);
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if (col > cfb_get_display_parameter(dev, CFB_DISPLAY_COLS)) {
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shell_error(shell, "Invalid col=%d position", col);
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return -EINVAL;
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}
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row = strtol(argv[2], NULL, 10);
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if (row > cfb_get_display_parameter(dev, CFB_DISPLAY_ROWS)) {
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shell_error(shell, "Invalid row=%d position", row);
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return -EINVAL;
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}
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boundary = cfb_get_display_parameter(dev, CFB_DISPLAY_ROWS) - row;
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for (int i = 0; i < boundary; i++) {
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err = cmd_cfb_print(shell, col, row, argv[3]);
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if (err) {
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shell_error(shell,
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"Failed printing to Framebuffer error=%d",
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err);
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break;
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}
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row++;
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}
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cmd_cfb_print(shell, 0, 0, "");
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return err;
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}
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static int cmd_scroll_horz(const struct shell *shell, size_t argc, char *argv[])
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{
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int err = 0;
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int col, row;
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int boundary;
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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col = strtol(argv[1], NULL, 10);
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if (col > cfb_get_display_parameter(dev, CFB_DISPLAY_COLS)) {
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shell_error(shell, "Invalid col=%d position", col);
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return -EINVAL;
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}
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row = strtol(argv[2], NULL, 10);
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if (row > cfb_get_display_parameter(dev, CFB_DISPLAY_ROWS)) {
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shell_error(shell, "Invalid row=%d position", row);
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return -EINVAL;
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}
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col++;
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boundary = cfb_get_display_parameter(dev, CFB_DISPLAY_COLS) - col;
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for (int i = 0; i < boundary; i++) {
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err = cmd_cfb_print(shell, col, row, argv[3]);
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if (err) {
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shell_error(shell,
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"Failed printing to Framebuffer error=%d",
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err);
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break;
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}
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col++;
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}
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cmd_cfb_print(shell, 0, 0, "");
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return err;
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}
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static int cmd_set_font(const struct shell *shell, size_t argc, char *argv[])
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{
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int err;
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int idx;
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u8_t height;
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u8_t width;
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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idx = strtol(argv[1], NULL, 10);
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err = cfb_get_font_size(dev, idx, &width, &height);
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if (err) {
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shell_error(shell, "Invalid font idx=%d err=%d\n", idx, err);
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return err;
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}
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err = cfb_framebuffer_set_font(dev, idx);
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if (err) {
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shell_error(shell, "Failed setting font idx=%d err=%d", idx,
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err);
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return err;
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}
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shell_print(shell, "Font idx=%d height=%d widht=%d set", idx, height,
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width);
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return err;
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}
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static int cmd_invert(const struct shell *shell, size_t argc, char *argv[])
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{
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int err;
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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err = cfb_framebuffer_invert(dev);
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if (err) {
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shell_error(shell, "Error inverting Framebuffer");
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return err;
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}
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cmd_cfb_print(shell, 0, 0, "");
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shell_print(shell, "Framebuffer Inverted");
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return err;
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}
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static int cmd_get_fonts(const struct shell *shell, size_t argc, char *argv[])
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{
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int err = 0;
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u8_t font_height;
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u8_t font_width;
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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for (int idx = 0; idx < cfb_get_numof_fonts(dev); idx++) {
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if (cfb_get_font_size(dev, idx, &font_width, &font_height)) {
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break;
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}
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shell_print(shell, "idx=%d height=%d width=%d", idx,
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font_height, font_width);
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}
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return err;
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}
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static int cmd_get_device(const struct shell *shell, size_t argc, char *argv[])
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{
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int err = 0;
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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shell_print(shell, "Framebuffer Device: %s", DISPLAY_DRIVER);
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return err;
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}
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static int cmd_get_param_all(const struct shell *shell, size_t argc,
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char *argv[])
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{
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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for (unsigned int i = 0; i <= CFB_DISPLAY_COLS; i++) {
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shell_print(shell, "param: %s=%d", param_name[i],
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cfb_get_display_parameter(dev, i));
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}
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return 0;
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}
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static int cmd_get_param_height(const struct shell *shell, size_t argc,
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char *argv[])
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{
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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shell_print(shell, "param: %s=%d", param_name[CFB_DISPLAY_HEIGH],
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cfb_get_display_parameter(dev, CFB_DISPLAY_HEIGH));
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return 0;
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}
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static int cmd_get_param_width(const struct shell *shell, size_t argc,
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char *argv[])
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{
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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shell_print(shell, "param: %s=%d", param_name[CFB_DISPLAY_WIDTH],
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cfb_get_display_parameter(dev, CFB_DISPLAY_WIDTH));
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return 0;
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}
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static int cmd_get_param_ppt(const struct shell *shell, size_t argc,
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char *argv[])
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{
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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shell_print(shell, "param: %s=%d", param_name[CFB_DISPLAY_PPT],
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cfb_get_display_parameter(dev, CFB_DISPLAY_PPT));
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return 0;
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}
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static int cmd_get_param_rows(const struct shell *shell, size_t argc,
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char *argv[])
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{
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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shell_print(shell, "param: %s=%d", param_name[CFB_DISPLAY_ROWS],
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cfb_get_display_parameter(dev, CFB_DISPLAY_ROWS));
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return 0;
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}
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static int cmd_get_param_cols(const struct shell *shell, size_t argc,
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char *argv[])
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{
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ARG_UNUSED(argc);
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ARG_UNUSED(argv);
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if (!dev) {
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shell_error(shell, HELP_INIT);
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return -ENODEV;
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}
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shell_print(shell, "param: %s=%d", param_name[CFB_DISPLAY_COLS],
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cfb_get_display_parameter(dev, CFB_DISPLAY_COLS));
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return 0;
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}
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static int cmd_init(const struct shell *shell, size_t argc, char *argv[])
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{
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int err;
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dev = device_get_binding(DISPLAY_DRIVER);
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if (dev == NULL) {
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shell_error(shell, "Device not found");
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return -ENODEV;
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}
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err = cfb_framebuffer_init(dev);
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if (err) {
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shell_error(shell, "Framebuffer initialization failed!");
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return err;
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}
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shell_print(shell, "Framebuffer initialized: %s", DISPLAY_DRIVER);
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cmd_clear(shell, argc, argv);
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return err;
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}
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SHELL_STATIC_SUBCMD_SET_CREATE(sub_cmd_get_param,
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SHELL_CMD_ARG(all, NULL, NULL, cmd_get_param_all, 1, 0),
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SHELL_CMD_ARG(height, NULL, NULL, cmd_get_param_height, 1, 0),
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SHELL_CMD_ARG(width, NULL, NULL, cmd_get_param_width, 1, 0),
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SHELL_CMD_ARG(ppt, NULL, NULL, cmd_get_param_ppt, 1, 0),
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SHELL_CMD_ARG(rows, NULL, NULL, cmd_get_param_rows, 1, 0),
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SHELL_CMD_ARG(cols, NULL, NULL, cmd_get_param_cols, 1, 0),
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SHELL_SUBCMD_SET_END
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);
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SHELL_STATIC_SUBCMD_SET_CREATE(sub_cmd_scroll,
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SHELL_CMD_ARG(vertical, NULL, HELP_PRINT, cmd_scroll_vert, 4, 0),
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SHELL_CMD_ARG(horizontal, NULL, HELP_PRINT, cmd_scroll_horz, 4, 0),
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SHELL_SUBCMD_SET_END
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);
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SHELL_STATIC_SUBCMD_SET_CREATE(cfb_cmds,
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SHELL_CMD_ARG(init, NULL, HELP_NONE, cmd_init, 1, 0),
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SHELL_CMD_ARG(get_device, NULL, HELP_NONE, cmd_get_device, 1, 0),
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SHELL_CMD(get_param, &sub_cmd_get_param,
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"<all, height, width, ppt, rows, cols>", NULL),
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SHELL_CMD_ARG(get_fonts, NULL, HELP_NONE, cmd_get_fonts, 1, 0),
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SHELL_CMD_ARG(set_font, NULL, "<idx>", cmd_set_font, 2, 0),
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SHELL_CMD_ARG(invert, NULL, HELP_NONE, cmd_invert, 1, 0),
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SHELL_CMD_ARG(print, NULL, HELP_PRINT, cmd_print, 4, 0),
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SHELL_CMD(scroll, &sub_cmd_scroll, "scroll a text in vertical or "
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"horizontal direction", NULL),
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SHELL_CMD_ARG(clear, NULL, HELP_NONE, cmd_clear, 1, 0),
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SHELL_SUBCMD_SET_END
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);
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SHELL_CMD_REGISTER(cfb, &cfb_cmds, "Character Framebuffer shell commands",
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NULL);
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