Philip Howard
GitHub
commit
73d92023e9
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@ -13,5 +13,6 @@ add_subdirectory(is31fl3731)
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add_subdirectory(fatfs)
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add_subdirectory(sdcard)
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add_subdirectory(as7262)
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add_subdirectory(bh1745)
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add_subdirectory(button)
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add_subdirectory(rgbled)
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@ -0,0 +1 @@
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include(bh1745.cmake)
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@ -0,0 +1,9 @@
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add_library(bh1745 INTERFACE)
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target_sources(bh1745 INTERFACE
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${CMAKE_CURRENT_LIST_DIR}/bh1745.cpp)
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target_include_directories(bh1745 INTERFACE ${CMAKE_CURRENT_LIST_DIR})
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# Pull in pico libraries that we need
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target_link_libraries(bh1745 INTERFACE pico_stdlib hardware_i2c pimoroni_i2c)
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@ -0,0 +1,136 @@
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#include "bh1745.hpp"
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#include <algorithm>
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namespace pimoroni {
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bool BH1745::init() {
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reset();
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if (this->get_chip_id() != BH1745_CHIP_ID || this->get_manufacturer() != BH1745_MANUFACTURER) {
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return false;
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}
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reset();
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i2c->clear_bits(address, BH1745_REG_SYSTEM_CONTROL, 6); // Clear INT reset bit
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set_measurement_time_ms(640);
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i2c->set_bits(address, BH1745_REG_MODE_CONTROL2, 4); // Enable RGBC
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i2c->set_bits(address, BH1745_REG_MODE_CONTROL3, 0, 0xff); // Turn on sensor
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set_threshold_high(0x0000); // Set threshold so int will always fire
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set_threshold_low(0xFFFF); // this lets us turn on the LEDs with the int pin
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i2c->clear_bits(address, BH1745_REG_INTERRUPT, 4); // Enable interrupt latch
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sleep_ms(320);
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return true;
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}
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I2C* BH1745::get_i2c() const {
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return i2c;
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}
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int BH1745::get_address() const {
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return address;
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}
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uint8_t BH1745::get_chip_id() {
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uint8_t chip_id = i2c->reg_read_uint8(address, BH1745_REG_SYSTEM_CONTROL);
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return chip_id & 0b00111111;
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}
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uint8_t BH1745::get_manufacturer() {
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uint8_t manufacturer = i2c->reg_read_uint8(address, BH1745_REG_MANUFACTURER);
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return manufacturer;
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}
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void BH1745::reset() {
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i2c->set_bits(address, BH1745_REG_SYSTEM_CONTROL, 7);
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while (i2c->get_bits(address, BH1745_REG_SYSTEM_CONTROL, 7)) {
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sleep_ms(100);
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}
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}
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void BH1745::set_measurement_time_ms(uint16_t value) {
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uint8_t reg = 0;
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switch(value) {
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case 160:
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reg = 0b000;
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break;
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case 320:
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reg = 0b001;
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break;
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case 640:
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reg = 0b010;
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break;
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case 1280:
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reg = 0b011;
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break;
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case 2560:
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reg = 0b100;
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break;
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case 5120:
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reg = 0b101;
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break;
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}
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i2c->write_bytes(address, BH1745_REG_MODE_CONTROL1, ®, 1);
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}
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void BH1745::set_threshold_high(uint16_t value) {
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i2c->write_bytes(address, BH1745_REG_THRESHOLD_HIGH, (uint8_t *)&value, 2);
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}
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void BH1745::set_threshold_low(uint16_t value) {
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i2c->write_bytes(address, BH1745_REG_THRESHOLD_LOW, (uint8_t *)&value, 2);
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}
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void BH1745::set_leds(bool state) {
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if(state){
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i2c->set_bits(address, BH1745_REG_INTERRUPT, 0);
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}
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else
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{
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i2c->clear_bits(address, BH1745_REG_INTERRUPT, 0);
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}
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}
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rgbc_t BH1745::get_rgb_scaled() {
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rgbc_t rgbc = this->get_rgbc_raw();
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if(rgbc.c > 0) {
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rgbc.r = (uint16_t)((uint32_t)rgbc.r * 255 / rgbc.c) & 0xff;
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rgbc.g = (uint16_t)((uint32_t)rgbc.g * 255 / rgbc.c) & 0xff;
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rgbc.b = (uint16_t)((uint32_t)rgbc.b * 255 / rgbc.c) & 0xff;
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} else {
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rgbc.r = 0;
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rgbc.g = 0;
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rgbc.b = 0;
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}
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return rgbc;
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}
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rgbc_t BH1745::get_rgb_clamped() {
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rgbc_t rgbc = get_rgbc_raw();
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uint16_t vmax = std::max(rgbc.r, std::max(rgbc.g, rgbc.b));
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rgbc.r = (uint16_t)((uint32_t)rgbc.r * 255 / vmax);
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rgbc.g = (uint16_t)((uint32_t)rgbc.g * 255 / vmax);
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rgbc.b = (uint16_t)((uint32_t)rgbc.b * 255 / vmax);
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return rgbc;
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}
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rgbc_t BH1745::get_rgbc_raw() {
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while(i2c->get_bits(address, BH1745_REG_MODE_CONTROL2, 7) == 0) {
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sleep_ms(1);
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}
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rgbc_t colour_data;
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i2c->read_bytes(address, BH1745_REG_COLOUR_DATA, (uint8_t *)&colour_data, 8);
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colour_data.r *= channel_compensation[0];
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colour_data.g *= channel_compensation[1];
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colour_data.b *= channel_compensation[2];
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colour_data.c *= channel_compensation[3];
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return colour_data;
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}
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}
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@ -0,0 +1,66 @@
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#pragma once
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#include "hardware/i2c.h"
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#include "hardware/gpio.h"
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#include "common/pimoroni_i2c.hpp"
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#define BH1745_REG_SYSTEM_CONTROL 0x40
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#define BH1745_REG_MODE_CONTROL1 0x41
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#define BH1745_REG_MODE_CONTROL2 0x42
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#define BH1745_REG_MODE_CONTROL3 0x44
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#define BH1745_REG_COLOUR_DATA 0x50
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#define BH1745_REG_DINT_DATA 0x58
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#define BH1745_REG_INTERRUPT 0x60
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#define BH1745_REG_PERSISTENCE 0x61
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#define BH1745_REG_THRESHOLD_LOW 0x64
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#define BH1745_REG_THRESHOLD_HIGH 0x62
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#define BH1745_REG_MANUFACTURER 0x92
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#define BH1745_CHIP_ID 0b001011
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#define BH1745_MANUFACTURER 0xe0
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namespace pimoroni {
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typedef struct {
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uint16_t r;
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uint16_t g;
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uint16_t b;
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uint16_t c;
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} rgbc_t;
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class BH1745 {
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public:
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static const uint8_t DEFAULT_I2C_ADDRESS = 0x38;
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static const uint8_t I2C_ADDRESS_ALTERNATE = 0x39;
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BH1745(I2C *i2c, uint8_t address = DEFAULT_I2C_ADDRESS) :
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i2c(i2c), address(address) {}
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BH1745(i2c_inst_t *i2c, uint8_t addr, uint8_t sda, uint8_t scl, uint interrupt) :
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BH1745(new I2C(sda, scl), address) {};
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bool init();
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I2C* get_i2c() const;
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int get_address() const;
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uint8_t get_chip_id();
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uint8_t get_manufacturer();
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void set_threshold_high(uint16_t value);
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void set_threshold_low(uint16_t value);
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void set_measurement_time_ms(uint16_t value);
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rgbc_t get_rgbc_raw();
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rgbc_t get_rgb_clamped();
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rgbc_t get_rgb_scaled();
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void reset();
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void set_leds(bool state=true);
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private:
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I2C *i2c;
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// interface pins with our standard defaults where appropriate
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int8_t address = DEFAULT_I2C_ADDRESS;
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uint interrupt = 22;
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float channel_compensation[4] = {2.2f, 1.0f, 1.8f, 10.0f};
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};
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}
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@ -28,3 +28,4 @@ add_subdirectory(pico_trackball_display)
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add_subdirectory(pico_audio)
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add_subdirectory(pico_wireless)
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add_subdirectory(breakout_as7262)
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add_subdirectory(breakout_bh1745)
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@ -0,0 +1,10 @@
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add_executable(
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breakout_bh1745_demo
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demo.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(breakout_bh1745_demo pico_stdlib hardware_spi bh1745)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(breakout_bh1745_demo)
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@ -0,0 +1,37 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "bh1745.hpp"
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using namespace pimoroni;
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I2C i2c(BOARD::BREAKOUT_GARDEN);
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BH1745 bh1745(&i2c, BH1745::DEFAULT_I2C_ADDRESS);
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int main() {
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stdio_init_all();
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if (!bh1745.init()) {
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printf("Failed to set up sensor\n");
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return 1;
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}
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uint8_t chip_id = bh1745.get_chip_id();
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printf("Found BH1745. Chip ID: 0x%02x\n", chip_id);
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bh1745.set_leds(true);
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while(true) {
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rgbc_t colour = bh1745.get_rgbc_raw();
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printf("Colour: %d %d %d %d\n", colour.r, colour.g, colour.b, colour.c);
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colour = bh1745.get_rgb_clamped();
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printf("Clamped: %d %d %d %d\n", colour.r, colour.g, colour.b, colour.c);
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colour = bh1745.get_rgb_scaled();
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printf("Scaled: %d %d %d %d\n\n", colour.r, colour.g, colour.b, colour.c);
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sleep_ms(1000);
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}
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return 0;
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}
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@ -14,6 +14,7 @@ add_subdirectory(breakout_trackball)
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add_subdirectory(breakout_sgp30)
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add_subdirectory(breakout_as7262)
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add_subdirectory(breakout_msa301)
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add_subdirectory(breakout_bh1745)
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add_subdirectory(pico_graphics)
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add_subdirectory(pico_display)
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add_subdirectory(pico_unicorn)
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@ -0,0 +1 @@
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include(breakout_bh1745.cmake)
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@ -0,0 +1,11 @@
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set(LIB_NAME breakout_bh1745)
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add_library(${LIB_NAME} INTERFACE)
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target_sources(${LIB_NAME} INTERFACE
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${CMAKE_CURRENT_LIST_DIR}/${LIB_NAME}.cpp
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)
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target_include_directories(${LIB_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
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# Pull in pico libraries that we need
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target_link_libraries(${LIB_NAME} INTERFACE pico_stdlib bh1745 pimoroni_i2c)
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@ -0,0 +1,5 @@
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#include "breakout_bh1745.hpp"
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namespace pimoroni {
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}
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@ -0,0 +1,8 @@
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#pragma once
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#include "drivers/bh1745/bh1745.hpp"
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namespace pimoroni {
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typedef BH1745 BreakoutBH1745;
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}
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@ -0,0 +1,21 @@
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import time
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import pimoroni_i2c
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import breakout_bh1745
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PINS_BREAKOUT_GARDEN = {"sda": 4, "scl": 5}
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PINS_PICO_EXPLORER = {"sda": 20, "scl": 21}
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I2C = pimoroni_i2c.PimoroniI2C(**PINS_BREAKOUT_GARDEN)
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bh1745 = breakout_bh1745.BreakoutBH1745(I2C)
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bh1745.leds(True)
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while True:
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rgbc_raw = bh1745.rgbc_raw()
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rgb_clamped = bh1745.rgbc_clamped()
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rgb_scaled = bh1745.rgbc_scaled()
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print("Raw: {}, {}, {}, {}".format(*rgbc_raw))
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print("Clamped: {}, {}, {}, {}".format(*rgb_clamped))
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print("Scaled: #{:02x}{:02x}{:02x}".format(*rgb_scaled))
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time.sleep(5)
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@ -0,0 +1,63 @@
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#include "breakout_bh1745.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// BreakoutBH1745 Class
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/***** Methods *****/
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MP_DEFINE_CONST_FUN_OBJ_1(BreakoutBH1745_chip_id_obj, BreakoutBH1745_chip_id);
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MP_DEFINE_CONST_FUN_OBJ_1(BreakoutBH1745_manufacturer_id_obj, BreakoutBH1745_manufacturer_id);
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MP_DEFINE_CONST_FUN_OBJ_1(BreakoutBH1745_rgbc_raw_obj, BreakoutBH1745_rgbc_raw);
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MP_DEFINE_CONST_FUN_OBJ_1(BreakoutBH1745_rgbc_clamped_obj, BreakoutBH1745_rgbc_clamped);
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MP_DEFINE_CONST_FUN_OBJ_1(BreakoutBH1745_rgbc_scaled_obj, BreakoutBH1745_rgbc_scaled);
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MP_DEFINE_CONST_FUN_OBJ_KW(BreakoutBH1745_leds_obj, 2, BreakoutBH1745_leds);
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MP_DEFINE_CONST_FUN_OBJ_KW(BreakoutBH1745_threshold_obj, 3, BreakoutBH1745_threshold);
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MP_DEFINE_CONST_FUN_OBJ_KW(BreakoutBH1745_measurement_time_ms_obj, 2, BreakoutBH1745_measurement_time_ms);
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/***** Binding of Methods *****/
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STATIC const mp_rom_map_elem_t BreakoutBH1745_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_chip_id), MP_ROM_PTR(&BreakoutBH1745_chip_id_obj) },
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{ MP_ROM_QSTR(MP_QSTR_manufacturer_id), MP_ROM_PTR(&BreakoutBH1745_manufacturer_id_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rgbc_raw), MP_ROM_PTR(&BreakoutBH1745_rgbc_raw_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rgbc_clamped), MP_ROM_PTR(&BreakoutBH1745_rgbc_clamped_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rgbc_scaled), MP_ROM_PTR(&BreakoutBH1745_rgbc_scaled_obj) },
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{ MP_ROM_QSTR(MP_QSTR_threshold), MP_ROM_PTR(&BreakoutBH1745_threshold_obj) },
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{ MP_ROM_QSTR(MP_QSTR_measurement_time_ms), MP_ROM_PTR(&BreakoutBH1745_measurement_time_ms_obj) },
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{ MP_ROM_QSTR(MP_QSTR_leds), MP_ROM_PTR(&BreakoutBH1745_leds_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(BreakoutBH1745_locals_dict, BreakoutBH1745_locals_dict_table);
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/***** Class Definition *****/
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const mp_obj_type_t breakout_bh1745_BreakoutBH1745_type = {
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{ &mp_type_type },
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.name = MP_QSTR_breakout_bh1745,
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.print = BreakoutBH1745_print,
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.make_new = BreakoutBH1745_make_new,
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.locals_dict = (mp_obj_dict_t*)&BreakoutBH1745_locals_dict,
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// breakout_bh1745 Module
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/***** Globals Table *****/
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STATIC const mp_map_elem_t breakout_bh1745_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_breakout_bh1745) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_BreakoutBH1745), (mp_obj_t)&breakout_bh1745_BreakoutBH1745_type },
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{ MP_ROM_QSTR(MP_QSTR_I2C_ADDRESS_DEFAULT), MP_ROM_INT(BH1745_I2C_ADDRESS_DEFAULT) },
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{ MP_ROM_QSTR(MP_QSTR_I2C_ADDRESS_ALT), MP_ROM_INT(BH1745_I2C_ADDRESS_ALTERNATE) },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_breakout_bh1745_globals, breakout_bh1745_globals_table);
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/***** Module Definition *****/
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const mp_obj_module_t breakout_bh1745_user_cmodule = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_breakout_bh1745_globals,
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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MP_REGISTER_MODULE(MP_QSTR_breakout_bh1745, breakout_bh1745_user_cmodule, MODULE_BREAKOUT_LTR559_ENABLED);
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////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -0,0 +1,208 @@
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#include "libraries/breakout_bh1745/breakout_bh1745.hpp"
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#include <cstdio>
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#define MP_OBJ_TO_PTR2(o, t) ((t *)(uintptr_t)(o))
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// SDA/SCL on even/odd pins, I2C0/I2C1 on even/odd pairs of pins.
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#define IS_VALID_SCL(i2c, pin) (((pin) & 1) == 1 && (((pin) & 2) >> 1) == (i2c))
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#define IS_VALID_SDA(i2c, pin) (((pin) & 1) == 0 && (((pin) & 2) >> 1) == (i2c))
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||||
using namespace pimoroni;
|
||||
|
||||
extern "C" {
|
||||
#include "breakout_bh1745.h"
|
||||
#include "pimoroni_i2c.h"
|
||||
|
||||
/***** I2C Struct *****/
|
||||
typedef struct _PimoroniI2C_obj_t {
|
||||
mp_obj_base_t base;
|
||||
I2C *i2c;
|
||||
} _PimoroniI2C_obj_t;
|
||||
|
||||
/***** Variables Struct *****/
|
||||
typedef struct _breakout_bh1745_BreakoutBH1745_obj_t {
|
||||
mp_obj_base_t base;
|
||||
BreakoutBH1745 *breakout;
|
||||
} breakout_bh1745_BreakoutBH1745_obj_t;
|
||||
|
||||
/***** Print *****/
|
||||
void BreakoutBH1745_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
|
||||
(void)kind; //Unused input parameter
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
BreakoutBH1745* breakout = self->breakout;
|
||||
mp_print_str(print, "BreakoutBH1745(");
|
||||
|
||||
mp_print_str(print, "i2c = ");
|
||||
mp_obj_print_helper(print, mp_obj_new_int((breakout->get_i2c()->get_i2c() == i2c0) ? 0 : 1), PRINT_REPR);
|
||||
|
||||
mp_print_str(print, ", address = 0x");
|
||||
char buf[3];
|
||||
sprintf(buf, "%02X", breakout->get_address());
|
||||
mp_print_str(print, buf);
|
||||
|
||||
mp_print_str(print, ", sda = ");
|
||||
mp_obj_print_helper(print, mp_obj_new_int(breakout->get_i2c()->get_sda()), PRINT_REPR);
|
||||
|
||||
mp_print_str(print, ", scl = ");
|
||||
mp_obj_print_helper(print, mp_obj_new_int(breakout->get_i2c()->get_scl()), PRINT_REPR);
|
||||
|
||||
mp_print_str(print, ")");
|
||||
}
|
||||
|
||||
/***** Constructor *****/
|
||||
mp_obj_t BreakoutBH1745_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = nullptr;
|
||||
|
||||
enum { ARG_i2c, ARG_address };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_i2c, MP_ARG_OBJ, {.u_obj = nullptr} },
|
||||
{ MP_QSTR_address, MP_ARG_INT, {.u_int = BH1745::DEFAULT_I2C_ADDRESS} },
|
||||
};
|
||||
|
||||
// Parse args.
|
||||
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
||||
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
||||
|
||||
if(!MP_OBJ_IS_TYPE(args[ARG_i2c].u_obj, &PimoroniI2C_type)) {
|
||||
mp_raise_ValueError(MP_ERROR_TEXT("BreakoutBH1745: Bad i2C object"));
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
_PimoroniI2C_obj_t *i2c = (_PimoroniI2C_obj_t *)MP_OBJ_TO_PTR(args[ARG_i2c].u_obj);
|
||||
|
||||
self = m_new_obj(breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
self->base.type = &breakout_bh1745_BreakoutBH1745_type;
|
||||
|
||||
self->breakout = new BreakoutBH1745(i2c->i2c, args[ARG_address].u_int);
|
||||
|
||||
if(!self->breakout->init()) {
|
||||
mp_raise_msg(&mp_type_RuntimeError, "BreakoutBH1745: breakout not found when initialising");
|
||||
}
|
||||
|
||||
return MP_OBJ_FROM_PTR(self);
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_chip_id(mp_obj_t self_in) {
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
return mp_obj_new_int(self->breakout->get_chip_id());
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_manufacturer_id(mp_obj_t self_in) {
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
return mp_obj_new_int(self->breakout->get_manufacturer());
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_rgbc_raw(mp_obj_t self_in) {
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
|
||||
const rgbc_t reading = self->breakout->get_rgbc_raw();
|
||||
|
||||
mp_obj_t tuple[4];
|
||||
tuple[RGBC_R] = mp_obj_new_int(reading.r);
|
||||
tuple[RGBC_G] = mp_obj_new_int(reading.g);
|
||||
tuple[RGBC_B] = mp_obj_new_int(reading.b);
|
||||
tuple[RGBC_C] = mp_obj_new_int(reading.c);
|
||||
|
||||
return mp_obj_new_tuple(4, tuple);
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_rgbc_clamped(mp_obj_t self_in) {
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
|
||||
const rgbc_t reading = self->breakout->get_rgb_clamped();
|
||||
|
||||
mp_obj_t tuple[4];
|
||||
tuple[RGBC_R] = mp_obj_new_int(reading.r);
|
||||
tuple[RGBC_G] = mp_obj_new_int(reading.g);
|
||||
tuple[RGBC_B] = mp_obj_new_int(reading.b);
|
||||
tuple[RGBC_C] = mp_obj_new_int(reading.c);
|
||||
|
||||
return mp_obj_new_tuple(4, tuple);
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_rgbc_scaled(mp_obj_t self_in) {
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
|
||||
const rgbc_t reading = self->breakout->get_rgb_scaled();
|
||||
|
||||
mp_obj_t tuple[4];
|
||||
tuple[RGBC_R] = mp_obj_new_int(reading.r);
|
||||
tuple[RGBC_G] = mp_obj_new_int(reading.g);
|
||||
tuple[RGBC_B] = mp_obj_new_int(reading.b);
|
||||
tuple[RGBC_C] = mp_obj_new_int(reading.c);
|
||||
|
||||
return mp_obj_new_tuple(4, tuple);
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_threshold(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
||||
enum { ARG_self, ARG_lower, ARG_upper };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
|
||||
{ MP_QSTR_lower, MP_ARG_REQUIRED | MP_ARG_INT },
|
||||
{ MP_QSTR_upper, MP_ARG_REQUIRED | MP_ARG_INT },
|
||||
};
|
||||
|
||||
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
||||
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
||||
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
|
||||
int lower = args[ARG_lower].u_int;
|
||||
int upper = args[ARG_upper].u_int;
|
||||
|
||||
if(lower < 0 || lower > 65535) {
|
||||
mp_raise_ValueError("lower out of range. Expected 0 to 65535");
|
||||
} else if(upper < 0 || upper > 65535) {
|
||||
mp_raise_ValueError("upper out of range. Expected 0 to 65535");
|
||||
} else {
|
||||
self->breakout->set_threshold_low(lower);
|
||||
self->breakout->set_threshold_high(upper);
|
||||
}
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_measurement_time_ms(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
||||
enum { ARG_self, ARG_time };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
|
||||
{ MP_QSTR_time, MP_ARG_REQUIRED | MP_ARG_INT },
|
||||
};
|
||||
|
||||
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
||||
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
||||
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
|
||||
int measurement_time = args[ARG_time].u_int;
|
||||
|
||||
if(measurement_time < 0 || measurement_time > 65535) {
|
||||
mp_raise_ValueError("Time out of range. Expected 0 to 65535");
|
||||
} else {
|
||||
self->breakout->set_measurement_time_ms(measurement_time);
|
||||
}
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutBH1745_leds(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
||||
enum { ARG_self, ARG_led_state };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
|
||||
{ MP_QSTR_led_state, MP_ARG_REQUIRED | MP_ARG_BOOL },
|
||||
};
|
||||
|
||||
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
||||
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
||||
|
||||
breakout_bh1745_BreakoutBH1745_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_bh1745_BreakoutBH1745_obj_t);
|
||||
|
||||
bool state = args[ARG_led_state].u_bool;
|
||||
|
||||
self->breakout->set_leds(state);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
// Include MicroPython API.
|
||||
#include "py/runtime.h"
|
||||
#include "py/objstr.h"
|
||||
|
||||
/***** Constants *****/
|
||||
enum {
|
||||
RGBC_R,
|
||||
RGBC_G,
|
||||
RGBC_B,
|
||||
RGBC_C
|
||||
};
|
||||
|
||||
static const uint8_t BH1745_I2C_ADDRESS_DEFAULT = 0x38;
|
||||
static const uint8_t BH1745_I2C_ADDRESS_ALTERNATE = 0x39;
|
||||
|
||||
/***** Extern of Class Definition *****/
|
||||
extern const mp_obj_type_t breakout_bh1745_BreakoutBH1745_type;
|
||||
|
||||
/***** Extern of Class Methods *****/
|
||||
extern void BreakoutBH1745_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind);
|
||||
extern mp_obj_t BreakoutBH1745_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args);
|
||||
extern mp_obj_t BreakoutBH1745_chip_id(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutBH1745_manufacturer_id(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutBH1745_threshold(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
|
||||
extern mp_obj_t BreakoutBH1745_measurement_time_ms(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
|
||||
extern mp_obj_t BreakoutBH1745_rgbc_raw(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutBH1745_rgbc_clamped(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutBH1745_rgbc_scaled(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutBH1745_leds(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
set(MOD_NAME breakout_bh1745)
|
||||
string(TOUPPER ${MOD_NAME} MOD_NAME_UPPER)
|
||||
add_library(usermod_${MOD_NAME} INTERFACE)
|
||||
|
||||
target_sources(usermod_${MOD_NAME} INTERFACE
|
||||
${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.c
|
||||
${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.cpp
|
||||
${CMAKE_CURRENT_LIST_DIR}/../../../libraries/${MOD_NAME}/${MOD_NAME}.cpp
|
||||
${CMAKE_CURRENT_LIST_DIR}/../../../drivers/bh1745/bh1745.cpp
|
||||
)
|
||||
|
||||
target_include_directories(usermod_${MOD_NAME} INTERFACE
|
||||
${CMAKE_CURRENT_LIST_DIR}
|
||||
)
|
||||
|
||||
target_compile_definitions(usermod_${MOD_NAME} INTERFACE
|
||||
-DMODULE_${MOD_NAME_UPPER}_ENABLED=1
|
||||
)
|
||||
|
||||
target_link_libraries(usermod INTERFACE usermod_${MOD_NAME})
|
||||
|
|
@ -21,6 +21,7 @@ include(breakout_rtc/micropython)
|
|||
include(breakout_trackball/micropython)
|
||||
include(breakout_sgp30/micropython)
|
||||
include(breakout_colourlcd240x240/micropython)
|
||||
include(breakout_bh1745/micropython)
|
||||
|
||||
include(pico_scroll/micropython)
|
||||
include(pico_rgb_keypad/micropython)
|
||||
|
|
|
|||
Loading…
Reference in New Issue