/* ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio 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. */ #include #include "ch.h" #include "hal.h" #include "test.h" #include "shell.h" #include "evtimer.h" #include "chprintf.h" #include "ff.h" /*===========================================================================*/ /* Card insertion monitor. */ /*===========================================================================*/ #define POLLING_INTERVAL 10 #define POLLING_DELAY 10 /** * @brief Card monitor timer. */ static VirtualTimer tmr; /** * @brief Debounce counter. */ static unsigned cnt; /** * @brief Card event sources. */ static EventSource inserted_event, removed_event; /** * @brief Insertion monitor timer callback function. * * @param[in] p pointer to the @p BaseBlockDevice object * * @notapi */ static void tmrfunc(void *p) { BaseBlockDevice *bbdp = p; /* The presence check is performed only while the driver is not in a transfer state because it is often performed by changing the mode of the pin connected to the CS/D3 contact of the card, this could disturb the transfer.*/ blkstate_t state = blkGetDriverState(bbdp); chSysLockFromIsr(); if ((state != BLK_READING) && (state != BLK_WRITING)) { /* Safe to perform the check.*/ if (cnt > 0) { if (blkIsInserted(bbdp)) { if (--cnt == 0) { chEvtBroadcastI(&inserted_event); } } else cnt = POLLING_INTERVAL; } else { if (!blkIsInserted(bbdp)) { cnt = POLLING_INTERVAL; chEvtBroadcastI(&removed_event); } } } chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, bbdp); chSysUnlockFromIsr(); } /** * @brief Polling monitor start. * * @param[in] p pointer to an object implementing @p BaseBlockDevice * * @notapi */ static void tmr_init(void *p) { chEvtInit(&inserted_event); chEvtInit(&removed_event); chSysLock(); cnt = POLLING_INTERVAL; chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, p); chSysUnlock(); } /*===========================================================================*/ /* FatFs related. */ /*===========================================================================*/ /** * @brief FS object. */ FATFS MMC_FS; /** * MMC driver instance. */ MMCDriver MMCD1; /* FS mounted and ready.*/ static bool_t fs_ready = FALSE; /* Maximum speed SPI configuration (18MHz, CPHA=0, CPOL=0, MSb first).*/ static SPIConfig hs_spicfg = {NULL, IOPORT2, GPIOB_SPI2NSS, 0}; /* Low speed SPI configuration (281.250kHz, CPHA=0, CPOL=0, MSb first).*/ static SPIConfig ls_spicfg = {NULL, IOPORT2, GPIOB_SPI2NSS, SPI_CR1_BR_2 | SPI_CR1_BR_1}; /* MMC/SD over SPI driver configuration.*/ static MMCConfig mmccfg = {&SPID2, &ls_spicfg, &hs_spicfg}; /* Generic large buffer.*/ uint8_t fbuff[1024]; static FRESULT scan_files(BaseSequentialStream *chp, char *path) { FRESULT res; FILINFO fno; DIR dir; int i; char *fn; #if _USE_LFN fno.lfname = 0; fno.lfsize = 0; #endif res = f_opendir(&dir, path); if (res == FR_OK) { i = strlen(path); for (;;) { res = f_readdir(&dir, &fno); if (res != FR_OK || fno.fname[0] == 0) break; if (fno.fname[0] == '.') continue; fn = fno.fname; if (fno.fattrib & AM_DIR) { path[i++] = '/'; strcpy(&path[i], fn); res = scan_files(chp, path); if (res != FR_OK) break; path[--i] = 0; } else { chprintf(chp, "%s/%s\r\n", path, fn); } } } return res; } /*===========================================================================*/ /* Command line related. */ /*===========================================================================*/ #define SHELL_WA_SIZE THD_WA_SIZE(2048) #define TEST_WA_SIZE THD_WA_SIZE(256) static void cmd_mem(BaseSequentialStream *chp, int argc, char *argv[]) { size_t n, size; (void)argv; if (argc > 0) { chprintf(chp, "Usage: mem\r\n"); return; } n = chHeapStatus(NULL, &size); chprintf(chp, "core free memory : %u bytes\r\n", chCoreStatus()); chprintf(chp, "heap fragments : %u\r\n", n); chprintf(chp, "heap free total : %u bytes\r\n", size); } static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) { static const char *states[] = {THD_STATE_NAMES}; Thread *tp; (void)argv; if (argc > 0) { chprintf(chp, "Usage: threads\r\n"); return; } chprintf(chp, " addr stack prio refs state time\r\n"); tp = chRegFirstThread(); do { chprintf(chp, "%.8lx %.8lx %4lu %4lu %9s %lu\r\n", (uint32_t)tp, (uint32_t)tp->p_ctx.r13, (uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1), states[tp->p_state], (uint32_t)tp->p_time); tp = chRegNextThread(tp); } while (tp != NULL); } static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) { Thread *tp; (void)argv; if (argc > 0) { chprintf(chp, "Usage: test\r\n"); return; } tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(), TestThread, chp); if (tp == NULL) { chprintf(chp, "out of memory\r\n"); return; } chThdWait(tp); } static void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) { FRESULT err; uint32_t clusters; FATFS *fsp; (void)argv; if (argc > 0) { chprintf(chp, "Usage: tree\r\n"); return; } if (!fs_ready) { chprintf(chp, "File System not mounted\r\n"); return; } err = f_getfree("/", &clusters, &fsp); if (err != FR_OK) { chprintf(chp, "FS: f_getfree() failed\r\n"); return; } chprintf(chp, "FS: %lu free clusters, %lu sectors per cluster, %lu bytes free\r\n", clusters, (uint32_t)MMC_FS.csize, clusters * (uint32_t)MMC_FS.csize * (uint32_t)MMCSD_BLOCK_SIZE); fbuff[0] = 0; scan_files(chp, (char *)fbuff); } static const ShellCommand commands[] = { {"mem", cmd_mem}, {"threads", cmd_threads}, {"test", cmd_test}, {"tree", cmd_tree}, {NULL, NULL} }; static const ShellConfig shell_cfg1 = { (BaseSequentialStream *)&SD2, commands }; /*===========================================================================*/ /* Main and generic code. */ /*===========================================================================*/ /* * Red LEDs blinker thread, times are in milliseconds. */ static WORKING_AREA(waThread1, 128); static msg_t Thread1(void *arg) { (void)arg; chRegSetThreadName("blinker"); while (TRUE) { palTogglePad(IOPORT3, GPIOC_LED); if (fs_ready) chThdSleepMilliseconds(200); else chThdSleepMilliseconds(500); } return 0; } /* * MMC card insertion event. */ static void InsertHandler(eventid_t id) { FRESULT err; (void)id
/*
The MIT License (MIT)

Copyright (c) 2016 Fred Sundvik

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 "gfx.h"
#include "math.h"
#include "led_backlight_keyframes.h"

static uint8_t fade_led_color(keyframe_animation_t* animation, int from, int to) {
    int frame_length = animation->frame_lengths[animation->current_frame];
    int current_pos  = frame_length - animation->time_left_in_frame;
    int delta        = to - from;
    int luma         = (delta * current_pos) / frame_length;
    luma += from;
    return luma;
}

static void keyframe_fade_all_leds_from_to(keyframe_animation_t* animation, uint8_t from, uint8_t to) {
    uint8_t luma  = fade_led_color(animation, from, to);
    color_t color = LUMA2COLOR(luma);
    gdispGClear(LED_DISPLAY, color);
}

// TODO: Should be customizable per keyboard
#define NUM_ROWS LED_HEIGHT
#define NUM_COLS LED_WIDTH

static uint8_t crossfade_start_frame[NUM_ROWS][NUM_COLS];
static uint8_t crossfade_end_frame[NUM_ROWS][NUM_COLS];

static uint8_t compute_gradient_color(float t, float index, float num) {
    const float two_pi           = M_PI * 2.0f;
    float       normalized_index = (1.0f - index / (num - 1.0f)) * two_pi;
    float       x                = t * two_pi + normalized_index;
    float       v                = 0.5 * (cosf(x) + 1.0f);
    return (uint8_t)(255.0f * v);
}

bool led_backlight_keyframe_fade_in_all(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    keyframe_fade_all_leds_from_to(animation, 0, 255);
    return true;
}

bool led_backlight_keyframe_fade_out_all(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    keyframe_fade_all_leds_from_to(animation, 255, 0);
    return true;
}

bool led_backlight_keyframe_left_to_right_gradient(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    float frame_length = animation->frame_lengths[animation->current_frame];
    float current_pos  = frame_length - animation->time_left_in_frame;
    float t            = current_pos / frame_length;
    for (int i = 0; i < NUM_COLS; i++) {
        uint8_t color = compute_gradient_color(t, i, NUM_COLS);
        gdispGDrawLine(LED_DISPLAY, i, 0, i, NUM_ROWS - 1, LUMA2COLOR(color));
    }
    return true;
}

bool led_backlight_keyframe_top_to_bottom_gradient(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    float frame_length = animation->frame_lengths[animation->current_frame];
    float current_pos  = frame_length - animation->time_left_in_frame;
    float t            = current_pos / frame_length;
    for (int i = 0; i < NUM_ROWS; i++) {
        uint8_t color = compute_gradient_color(t, i, NUM_ROWS);
        gdispGDrawLine(LED_DISPLAY, 0, i, NUM_COLS - 1, i, LUMA2COLOR(color));
    }
    return true;
}

static void copy_current_led_state(uint8_t* dest) {
    for (int i = 0; i < NUM_ROWS; i++) {
        for (int j = 0; j < NUM_COLS; j++) {
            dest[i * NUM_COLS + j] = gdispGGetPixelColor(LED_DISPLAY, j, i);
        }
    }
}
bool led_backlight_keyframe_crossfade(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    if (animation->first_update_of_frame) {
        copy_current_led_state(&crossfade_start_frame[0][0]);
        run_next_keyframe(animation, state);
        copy_current_led_state(&crossfade_end_frame[0][0]);
    }
    for (int i = 0; i < NUM_ROWS; i++) {
        for (int j = 0; j < NUM_COLS; j++) {
            color_t color = LUMA2COLOR(fade_led_color(animation, crossfade_start_frame[i][j], crossfade_end_frame[i][j]));
            gdispGDrawPixel(LED_DISPLAY, j, i, color);
        }
    }
    return true;
}

bool led_backlight_keyframe_mirror_orientation(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    (void)animation;
    gdispGSetOrientation(LED_DISPLAY, GDISP_ROTATE_180);
    return false;
}

bool led_backlight_keyframe_normal_orientation(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    (void)animation;
    gdispGSetOrientation(LED_DISPLAY, GDISP_ROTATE_0);
    return false;
}

bool led_backlight_keyframe_disable(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    (void)animation;
    gdispGSetPowerMode(LED_DISPLAY, powerOff);
    return false;
}

bool led_backlight_keyframe_enable(keyframe_animation_t* animation, visualizer_state_t* state) {
    (void)state;
    (void)animation;
    gdispGSetPowerMode(LED_DISPLAY, powerOn);
    return false;
}
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