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76 lines
2.0 KiB
76 lines
2.0 KiB
//
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// Created by MightyPork on 2017/11/25.
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//
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#include "unit_base.h"
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#include "unit_neopixel.h"
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#define NPX_INTERNAL
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#include "_npx_internal.h"
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enum PinCmd_ {
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CMD_CLEAR = 0,
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CMD_LOAD = 1,
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CMD_LOAD_ZRGB = 4, // 0,0 - trail zero, bgr
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CMD_LOAD_ZBGR = 5, // 0,1
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CMD_LOAD_RGBZ = 6, // 1,0
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CMD_LOAD_BGRZ = 7, // 1,1
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CMD_GET_LEN = 10,
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};
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/** Handle a request message */
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static error_t Npx_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
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{
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uint32_t len;
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const uint8_t *bytes;
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switch (command) {
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/** Clear the entire strip */
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case CMD_CLEAR:
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return UU_Npx_Clear(unit);
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/** Load packed RGB colors (length must match the strip size) */
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case CMD_LOAD:;
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bytes = pp_tail(pp, &len);
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return UU_Npx_Load(unit, bytes, len);
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/** Load sparse (uint32_t) colors */
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case CMD_LOAD_ZRGB:
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case CMD_LOAD_ZBGR:
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case CMD_LOAD_RGBZ:
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case CMD_LOAD_BGRZ:
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bytes = pp_tail(pp, &len);
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bool trail_zero = (bool) (command & 0b10);
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bool order_bgr = (bool) (command & 0b01);
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return UU_Npx_Load32(unit, bytes, len, order_bgr, !trail_zero);
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/** Get the Neopixel strip length */
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case CMD_GET_LEN:;
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uint16_t count;
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TRY(UU_Npx_GetCount(unit, &count));
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com_respond_u16(frame_id, count);
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return E_SUCCESS;
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default:
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return E_UNKNOWN_COMMAND;
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}
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}
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// ------------------------------------------------------------------------
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/** Unit template */
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const UnitDriver UNIT_NEOPIXEL = {
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.name = "NPX",
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.description = "Neopixel RGB LED strip",
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// Settings
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.preInit = Npx_preInit,
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.cfgLoadBinary = Npx_loadBinary,
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.cfgWriteBinary = Npx_writeBinary,
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.cfgLoadIni = Npx_loadIni,
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.cfgWriteIni = Npx_writeIni,
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// Init
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.init = Npx_init,
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.deInit = Npx_deInit,
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// Function
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.handleRequest = Npx_handleRequest,
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};
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