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generic output channel

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j3d1 2021-11-03 01:49:07 +01:00
parent 769351684b
commit 7f422a2ddd
1 changed files with 105 additions and 5 deletions
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110
firmware/lux.cpp
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@ -17,12 +17,11 @@ extern "C" {
const int signal_led_pin = 2;
//const int cs0 = 15;
const int cs0 = 15;
const int gpio4 = 4;
const int gpio5 = 5;
struct apa10xx_pixel_t {
struct {
unsigned int mod: 5, marker: 3;
@ -55,7 +54,6 @@ static apa10xx_pixel_t next_color(int i) {
return colour;
}
/*
void spi_dac(int id, int val) {
int dac_val = (val << 2) & 0x3FFC;
@ -75,7 +73,6 @@ void spi_dac(int id, int val) {
gpio_write(cs0, 1);
gpio_write(cs0, 0);
}
*/
void write_leds(apa10xx_pixel_t *arr, size_t len) {
spi_transfer_32(1, 0x00000000);
@ -85,11 +82,114 @@ void write_leds(apa10xx_pixel_t *arr, size_t len) {
spi_transfer_32(1, 0xFFFFFFFF);
}
namespace fiatlux {
namespace signal {
void write_data(bool data) {
gpio_write(signal_led_pin, !data);
}
}
namespace relais {
void write_data(uint8_t data[2]) {
gpio_write(gpio4, (bool) data[0]);
gpio_write(gpio5, (bool) data[1]);
}
}
namespace spi_dimmer {
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, 1);
gpio_write(cs0, 0);
spi_transfer_8(1, ~(0x01 << i));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
spi_transfer_16(1, dac_val);
spi_transfer_8(1, ~(0x00));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
spi_transfer_8(1, ~(0x01 << i));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
}
}
}
namespace ws28x {
void write_data(ws2812_pixel_t *data, size_t len) {
ws2812_i2s_init(len, PIXEL_RGBW);
ws2812_i2s_update(data, 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, 0xFFFFFFFF);
spi_transfer_32(1, 0xFFFFFFFF);
}
}
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 {
SIGNAL, RELAIS, SPI_DIMMER, WS28X, APA10X
};
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, 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";
}
}
}
ws2812_pixel_t **pixels_ptr;
extern "C" void signal_led(bool state) {
gpio_write(signal_led_pin, !state);
fiatlux::signal::write_data(state);
}