stash

firmware/lux.cpp

@@ -9,24 +9,296 @@
 #include <task.h>
 
 #include <esp/spi.h>
+#include <ws2812_i2s/ws2812_i2s.h>
 
-const int signal_led_pin = 2;
+extern "C" {
+#include <sysparam.h>
+}
 
-const int cs0 = 15;
-const int gpio4 = 4;
-const int gpio5 = 5;
+struct apa10xx_pixel_t {
+    struct {
+        unsigned int mod: 5, marker: 3;
+    } __attribute__((packed)) global = {0x1F, 0x7};
+    uint8_t b = 0;
+    uint8_t g = 0;
+    uint8_t r = 0;
+};
+
+static ws2812_pixel_t next_colour(int i) {
+    ws2812_pixel_t colour = {{0, 0, 0, 0}};
+    if(i == 8) {
+        colour.white = 32;
+    } else {
+        colour.red = i & 1 ? 32 : 0;
+        colour.green = i & 2 ? 32 : 0;
+        colour.blue = i & 4 ? 32 : 0;
+    }
+
+    return colour;
+}
+
+static apa10xx_pixel_t next_color(int i) {
+    apa10xx_pixel_t colour;
+    colour.global.mod = 8;
+    colour.r = i & 1 ? 32 : 0;
+    colour.g = i & 2 ? 32 : 0;
+    colour.b = i & 4 ? 32 : 0;
+
+    return colour;
+}
+
+namespace fiatlux {
+
+    struct hal_error_t {
+        constexpr hal_error_t() = default;
+
+        hal_error_t(const char *) {}
+
+        hal_error_t(const char *, hal_error_t *cause) {}
+    };
+
+    constexpr hal_error_t empty_error;
+
+    enum class hal_module_t {
+        NONE, SIGNAL, RELAIS, SPI_DIMMER, WS28X, APA10X
+    };
+
+    namespace ports {
+        hal_module_t spi = hal_module_t::NONE;
+        hal_module_t uart = hal_module_t::NONE;
+        hal_module_t gpio2 = hal_module_t::NONE;
+        hal_module_t gpio4 = hal_module_t::NONE;
+        hal_module_t gpio5 = hal_module_t::NONE;
+        hal_module_t gpio15 = hal_module_t::NONE;
+    }
+
+    namespace signal {
+        void write_data(bool data) {
+            gpio_write(2, !data);
+        }
+
+        void setup() {
+            gpio_enable(2, GPIO_OUTPUT);
+        }
+    }
+
+    namespace relais {
+        void write_data(bool a, bool b) {
+            gpio_write(4, a);
+            gpio_write(5, b);
+        }
+
+        void write_data(uint8_t data[2]) {
+            write_data((bool) data[0], (bool) data[1]);
+        }
+
+        void setup() {
+            gpio_enable(4, GPIO_OUTPUT);
+            gpio_enable(5, GPIO_OUTPUT);
+        }
+    }
+
+    namespace spi_dimmer {
+        constexpr int cs0 = 15;
+
+        void write_data(uint16_t data[6]) {
+            for (int i = 0; i < 6; ++i) {
+                int dac_val = (data[i] << 2) & 0x3FFC;
+
+                spi_transfer_8(1, ~(0x00));
+                gpio_write(cs0, true);
+                gpio_write(cs0, false);
+                spi_transfer_8(1, ~(0x01 << i));
+                gpio_write(cs0, true);
+                gpio_write(cs0, false);
+
+                spi_transfer_16(1, dac_val);
+
+                spi_transfer_8(1, ~(0x00));
+                gpio_write(cs0, true);
+                gpio_write(cs0, false);
+                spi_transfer_8(1, ~(0x01 << i));
+                gpio_write(cs0, true);
+                gpio_write(cs0, false);
+            }
+        }
+
+        void setup() {
+            gpio_enable(cs0, GPIO_OUTPUT);
+            spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_BIG_ENDIAN, 1);
+        }
+    }
+
+    namespace ws28x {
+        void write_data(ws2812_pixel_t *data) {
+            ws2812_i2s_update(data, PIXEL_RGBW);
+        }
+
+        void setup(size_t len) {
+            ws2812_i2s_init(len, PIXEL_RGBW);
+        }
+    }
+
+    namespace apa10x {
+        void write_data(apa10xx_pixel_t *data, size_t len) {
+            spi_transfer_32(1, 0x00000000);
+            for (size_t i = 0; i < len; i++)
+                spi_transfer_32(1, *(uint32_t *) &data[i]);
+            //spi_transfer_32(1, *(uint32_t *) &data[len - 1]); // dunno maybe this helps
+            //spi_transfer_32(1, *(uint32_t *) &data[len - 1]); // dunno maybe this helps
+            spi_transfer_32(1, 0xFFFFFFFF);
+            spi_transfer_32(1, 0xFFFFFFFF);
+        }
+
+        void setup() {
+            spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_LITTLE_ENDIAN, false);
+        }
+    }
+
+    hal_error_t write_channel(uint8_t *data, size_t count, size_t stride, hal_module_t mod) {
+        if(mod == hal_module_t::SIGNAL) {
+            if(count != 1)
+                return "unsupported value for count";
+            if(stride != 1)
+                return "unsupported value for stride";
+            signal::write_data(data[0]);
+        } else if(mod == hal_module_t::RELAIS) {
+            if(count != 2)
+                return "unsupported value for count";
+            if(stride != 1)
+                return "unsupported value for stride";
+            relais::write_data(data);
+        } else if(mod == hal_module_t::SPI_DIMMER) {
+            if(count != 6)
+                return "unsupported value for count";
+            if(stride != 2)
+                return "unsupported value for stride";
+            spi_dimmer::write_data((uint16_t *) data);
+        } else if(mod == hal_module_t::WS28X) {
+            if(stride != 4)
+                return "unsupported value for stride";
+            ws28x::write_data((ws2812_pixel_t *) data);
+        } else if(mod == hal_module_t::APA10X) {
+            if(stride != 4)
+                return "unsupported value for stride";
+            apa10x::write_data((apa10xx_pixel_t *) data, count);
+        } else {
+            return "unsupported module";
+        }
+        return empty_error;
+    }
+
+    hal_error_t setup_channel(size_t count, size_t stride, hal_module_t mod) {
+        /*if(mod == hal_module_t::SIGNAL) {
+            if(count != 1)
+                return "unsupported value for count";
+            if(stride != 1)
+                return "unsupported value for stride";
+            signal::write_data(data[0]);
+        } else if(mod == hal_module_t::RELAIS) {
+            if(count != 2)
+                return "unsupported value for count";
+            if(stride != 1)
+                return "unsupported value for stride";
+            relais::write_data(data);
+        } else if(mod == hal_module_t::SPI_DIMMER) {
+            if(count != 6)
+                return "unsupported value for count";
+            if(stride != 2)
+                return "unsupported value for stride";
+            spi_dimmer::write_data((uint16_t *) data);
+        } else if(mod == hal_module_t::WS28X) {
+            if(stride != 4)
+                return "unsupported value for stride";
+            ws28x::write_data((ws2812_pixel_t *) data, count);
+        } else if(mod == hal_module_t::APA10X) {
+            if(stride != 4)
+                return "unsupported value for stride";
+            apa10x::write_data((apa10xx_pixel_t *) data, count);
+        } else {
+            return "unsupported module";
+        }*/
+        return empty_error;
+    }
+
+}
+
+//ws2812_pixel_t **pixels_ptr;
 
 extern "C" void signal_led(bool state) {
-    gpio_write(signal_led_pin, !state);
+    fiatlux::signal::write_data(state);
 }
 
-extern "C" void lux_task(void *pvParameters) {
 
-    gpio_enable(signal_led_pin, GPIO_OUTPUT);
-    gpio_enable(cs0, GPIO_OUTPUT);
-    gpio_enable(gpio4, GPIO_OUTPUT);
-    gpio_enable(gpio5, GPIO_OUTPUT);
-    spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_BIG_ENDIAN, 1);
+/* This task uses the high level GPIO API (esp_gpio.h) to blink an LED.
+ *
+ */
+extern "C" [[noreturn]] void lux_task(void *pvParameters) {
 
-    vTaskDelete(nullptr);
+    int32_t lux_ws2812_number = 8;
+    auto ret = sysparam_get_int32("lux_ws2812_number", &lux_ws2812_number);
+    if(ret != SYSPARAM_OK)
+        lux_ws2812_number = 8;
+
+    int32_t lux_apa10xx_number = 40;
+    ret = sysparam_get_int32("lux_apa10xx_number", &lux_apa10xx_number);
+    if(ret != SYSPARAM_OK)
+        lux_apa10xx_number = 40;
+
+    ws2812_pixel_t pixels[lux_ws2812_number];
+    ws2812_i2s_init(lux_ws2812_number, PIXEL_RGBW);
+    memset(pixels, 0, sizeof(ws2812_pixel_t) * lux_ws2812_number);
+
+    apa10xx_pixel_t leds[lux_apa10xx_number];
+
+    //lux_apa102c_number
+
+    //gpio_enable(9, GPIO_INPUT);
+    //gpio_enable(10, GPIO_INPUT);
+
+    //fiatlux::spi_dimmer::setup();
+
+    fiatlux::signal::setup();
+    fiatlux::relais::setup();
+
+    fiatlux::apa10x::setup();
+
+    while (true) {
+        /*for (int j = 0; j < 64; j++) {
+            for (int i = 0; i < 8; i++)
+                spi_dac(i, 64 * j);
+            //printf("> %d\n", 64*j);
+            vTaskDelay(100 / portTICK_PERIOD_MS);
+        }*/
+        /*gpio_write(gpio4, 1);
+        vTaskDelay(200 / portTICK_PERIOD_MS);
+        gpio_write(gpio4, 0);
+        for (int i = 0; i < 8; i++)
+            spi_dac(i, 0);
+
+        gpio_write(gpio5, 1);
+        vTaskDelay(200 / portTICK_PERIOD_MS);
+        gpio_write(gpio5, 0);*/
+        fiatlux::signal::write_data(false);
+        for (int c = 8; c >= 0; c--) {
+
+            for (auto &pixel: pixels) {
+                pixel = next_colour(c);
+            }
+            for (auto &led: leds) {
+                led = next_color(c);
+            }
+            ws2812_i2s_update(pixels, PIXEL_RGBW);
+            fiatlux::write_channel((uint8_t *) &leds[0], lux_apa10xx_number, 4, fiatlux::hal_module_t::APA10X);
+            vTaskDelay(200 / portTICK_PERIOD_MS);
+        }
+        fiatlux::relais::write_data(true, false);
+        vTaskDelay(200 / portTICK_PERIOD_MS);
+        fiatlux::relais::write_data(false, true);
+        vTaskDelay(200 / portTICK_PERIOD_MS);
+        fiatlux::relais::write_data(false, false);
+        fiatlux::signal::write_data(true);
+        vTaskDelay(200 / portTICK_PERIOD_MS);
+
+    }
 }