Merge pull request #931 from pimoroni/driver/as7343
AS7343: New driver for the 14 channel spectrometer
This commit is contained in:
Philip Howard
GitHub
commit
0b133c750e
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@ -40,6 +40,15 @@ namespace pimoroni {
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i2c_write_blocking(i2c, address, buffer, 2, false);
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}
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void I2C::reg_write_uint16(uint8_t address, uint8_t reg, uint16_t value) {
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uint8_t buffer[3] = {
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reg,
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(uint8_t)((value & 0xff00) >> 8),
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(uint8_t)(value & 0x00ff)
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};
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i2c_write_blocking(i2c, address, buffer, 3, false);
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}
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uint8_t I2C::reg_read_uint8(uint8_t address, uint8_t reg) {
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uint8_t value;
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i2c_write_blocking(i2c, address, ®, 1, false);
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@ -63,6 +63,7 @@ namespace pimoroni {
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i2c_inst_t* pin_to_inst(uint pin);
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void reg_write_uint8(uint8_t address, uint8_t reg, uint8_t value);
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void reg_write_uint16(uint8_t address, uint8_t reg, uint16_t value);
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uint8_t reg_read_uint8(uint8_t address, uint8_t reg);
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uint16_t reg_read_uint16(uint8_t address, uint8_t reg);
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int16_t reg_read_int16(uint8_t address, uint8_t reg);
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@ -16,6 +16,7 @@ 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(as7343)
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add_subdirectory(bh1745)
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add_subdirectory(bme68x)
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add_subdirectory(bmp280)
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@ -0,0 +1 @@
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include(as7343.cmake)
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@ -0,0 +1,10 @@
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set(DRIVER_NAME as7343)
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add_library(${DRIVER_NAME} INTERFACE)
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target_sources(${DRIVER_NAME} INTERFACE
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${CMAKE_CURRENT_LIST_DIR}/${DRIVER_NAME}.cpp)
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target_include_directories(${DRIVER_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR})
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# Pull in pico libraries that we need
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target_link_libraries(${DRIVER_NAME} INTERFACE pico_stdlib hardware_i2c pimoroni_i2c)
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@ -0,0 +1,160 @@
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#include <cstdlib>
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#include <math.h>
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#include <map>
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#include <vector>
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#include <cstring>
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#include "as7343.hpp"
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namespace pimoroni {
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bool AS7343::init() {
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if(interrupt != PIN_UNUSED) {
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gpio_set_function(interrupt, GPIO_FUNC_SIO);
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gpio_set_dir(interrupt, GPIO_IN);
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gpio_pull_up(interrupt);
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}
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uint8_t aux_id, revision_id, hardware_id;
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get_version(aux_id, revision_id, hardware_id);
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if(hardware_id != HARDWARE_ID) {
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return false;
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}
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reset();
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bank_select(0);
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// Enable all 7 channels in output FIFO
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i2c->set_bits(address, reg::FIFO_MAP, 0, FIFO_MAP_CH5 | FIFO_MAP_CH4 | FIFO_MAP_CH3 | FIFO_MAP_CH2 | FIFO_MAP_CH1 | FIFO_MAP_CH0 | FIFO_MAP_ASTATUS);
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// Set the PON bit
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i2c->reg_write_uint8(address, reg::ENABLE, ENABLE_WEN | ENABLE_SMUXEN | ENABLE_SP_EN | ENABLE_PON);
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return true;
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}
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void AS7343::reset() {
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i2c->reg_write_uint8(address, reg::CONTROL, CONTROL_SW_RESET);
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sleep_ms(1000);
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}
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i2c_inst_t* AS7343::get_i2c() const {
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return i2c->get_i2c();
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}
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int AS7343::get_sda() const {
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return i2c->get_sda();
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}
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int AS7343::get_scl() const {
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return i2c->get_scl();
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}
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int AS7343::get_int() const {
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return interrupt;
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}
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void AS7343::bank_select(uint8_t bank) {
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if(bank == 1) {
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i2c->set_bits(address, reg::CFG0, 0, CFG0_BANK);
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} else {
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i2c->clear_bits(address, reg::CFG0, 0, CFG0_BANK);
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}
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}
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void AS7343::get_version(uint8_t &auxid, uint8_t &revid, uint8_t &hwid) {
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bank_select(1);
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auxid = i2c->reg_read_uint8(address, reg::AUXID) & 0b00001111;
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revid = i2c->reg_read_uint8(address, reg::REVID) & 0b00000111;
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hwid = i2c->reg_read_uint8(address, reg::ID);
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bank_select(0);
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}
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void AS7343::set_gain(float gain) {
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if(gain == 0.5f) {
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i2c->reg_write_uint8(address, reg::CFG1, 0);
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} else {
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uint16_t ugain = (uint16_t)gain;
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uint16_t bitlength = 0;
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while(ugain > 0) {
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bitlength++;
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ugain >>= 1;
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}
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i2c->reg_write_uint8(address, reg::CFG1, bitlength & 0x1f);
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}
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}
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void AS7343::set_channels(channel_count channel_count) {
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this->read_cycles = uint8_t(channel_count) / 6;
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this->ch_count = (uint8_t)channel_count;
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uint8_t temp = i2c->reg_read_uint8(address, reg::CFG20) & ~CFG20_18_CH;
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switch(channel_count) {
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case channel_count::SIX_CHANNEL:
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temp |= CFG20_6_CH;
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break;
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case channel_count::TWELVE_CHANNEL:
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temp |= CFG20_12_CH;
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break;
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case channel_count::EIGHTEEN_CHANNEL:
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temp |= CFG20_18_CH;
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break;
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}
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i2c->reg_write_uint8(address, reg::CFG20, temp);
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}
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void AS7343::set_illumination_current(float current) {
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current -= 4;
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current /= 2.0f;
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uint8_t temp = i2c->reg_read_uint8(address, reg::LED) & 0b10000000;
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temp |= (uint8_t)current;
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i2c->reg_write_uint8(address, reg::LED, temp);
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}
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void AS7343::set_illumination_led(bool state) {
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uint8_t temp = i2c->reg_read_uint8(address, reg::LED) & 0b01111111;
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temp |= state ? 0x80 : 0x00;
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i2c->reg_write_uint8(address, reg::LED, temp);
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}
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void AS7343::set_measurement_time(float measurement_time_ms) {
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constexpr float resolution = 2.78f;
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i2c->reg_write_uint8(address, reg::WTIME, (uint8_t)((measurement_time_ms - resolution) / resolution));
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}
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void AS7343::set_integration_time(float integration_time_us, uint8_t repeat) {
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constexpr float resolution = 2.78f;
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constexpr float max_astep = (65534 + 1) * resolution;
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if (integration_time_us <= max_astep) {
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i2c->reg_write_uint8(address, reg::ATIME, repeat - 1);
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i2c->reg_write_uint16(address, reg::ASTEP, (uint16_t)((integration_time_us - resolution) / resolution) & 0xfffe);
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} else {
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// Time out of range...
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}
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}
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void AS7343::read_fifo(uint16_t *buf) {
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uint16_t expected_results = read_cycles * 7;
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uint16_t result_slot = 0;
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while (i2c->reg_read_uint8(address, reg::FIFO_LVL) < expected_results) {
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sleep_ms(1);
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}
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while (i2c->reg_read_uint8(address, reg::FIFO_LVL) > 0 && expected_results > 0) {
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buf[result_slot] = i2c->reg_read_uint16(address, reg::FDATA);
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expected_results--;
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result_slot++;
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}
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}
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AS7343::reading AS7343::read() {
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reading result;
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read_fifo((uint16_t *)&result);
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return result;
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}
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}
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@ -0,0 +1,139 @@
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#pragma once
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#include <string>
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#include "hardware/i2c.h"
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#include "hardware/gpio.h"
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#include "common/pimoroni_common.hpp"
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#include "common/pimoroni_i2c.hpp"
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#include "as7343_regs.hpp"
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namespace pimoroni {
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class AS7343 {
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//--------------------------------------------------
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// Constants
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//--------------------------------------------------
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public:
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static const uint8_t DEFAULT_I2C_ADDRESS = 0x39;
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//--------------------------------------------------
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// Enums
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//--------------------------------------------------
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public:
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enum class channel_count : uint8_t {
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SIX_CHANNEL = 6,
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TWELVE_CHANNEL = 12,
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EIGHTEEN_CHANNEL = 18
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};
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/*
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enum class COMPENSATION_GAIN : float {
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F1 = 1.84f,
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F2 = 6.03f,
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FZ = 4.88f,
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F3 = 13.74f,
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F4 = 3.37f,
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FY = 2.82f,
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F5 = 6.72f,
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FXL = 2.22f,
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F6 = 3.17f,
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F7 = 1.95f,
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F8 = 12.25f,
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NIR = 1.00f,
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};
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*/
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//--------------------------------------------------
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// Substructures
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//--------------------------------------------------
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public:
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struct reading {
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// Cycle 1
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uint16_t FZ = 0; // 428-480 nm
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uint16_t FY = 0; // 534-593 nm
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uint16_t FXL = 0; // 593-628 nm
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uint16_t NIR = 0; // 849-903 nm
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uint16_t c1_vis_tl = 0; // Visible top-left
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uint16_t c1_vis_br = 0; // Visible bottom-right
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uint16_t c1_astatus = 0; // (c1_astatus >> 8) & 0b10001111
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// 0b10000000 = saturated
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// 0b00001111 = gain lowest nibble
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// Cycle 2
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uint16_t F2 = 0; // 408-448 nm
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uint16_t F3 = 0; // 448-500 mn
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uint16_t F4 = 0; // 500-534 nm
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uint16_t F6 = 0; // 618-665 nm
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uint16_t c2_vis_tl = 0;
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uint16_t c2_vis_br = 0;
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uint16_t c2_astatus = 0;
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// Cycle 3
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uint16_t F1 = 0; // 396-408 nm
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uint16_t F5 = 0; // 531-594 nm
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uint16_t F7 = 0; // 685-715 nm
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uint16_t F8 = 0; // 715-766 nm
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uint16_t c3_vis_tl = 0;
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uint16_t c3_vis_br = 0;
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uint16_t c3_astatus = 0;
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};
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//--------------------------------------------------
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// Variables
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//--------------------------------------------------
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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 = PIN_UNUSED;
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uint8_t read_cycles = 1;
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uint8_t ch_count = (uint8_t)channel_count::SIX_CHANNEL;
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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public:
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AS7343(uint interrupt = PIN_UNUSED) : AS7343(new I2C(), interrupt) {};
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AS7343(I2C *i2c, uint interrupt = PIN_UNUSED) : i2c(i2c), interrupt(interrupt) {}
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//--------------------------------------------------
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// Methods
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//--------------------------------------------------
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public:
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bool init();
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void reset();
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// For print access in micropython
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i2c_inst_t* get_i2c() const;
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int get_sda() const;
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int get_scl() const;
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int get_int() const;
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void get_version(uint8_t &auxid, uint8_t &revid, uint8_t &hwid);
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reading read();
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void read_fifo(uint16_t *buf);
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void set_gain(float gain);
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void set_illumination_current(float current);
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void set_illumination_led(bool state);
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void set_measurement_time(float measurement_time_ms);
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void set_integration_time(float integration_time_us, uint8_t repeat=1);
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void set_channels(channel_count channel_count);
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private:
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void bank_select(uint8_t bank=0);
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};
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}
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@ -0,0 +1,157 @@
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#pragma once
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#include <stdint.h>
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namespace pimoroni {
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/***** Device registers and masks here *****/
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enum reg {
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// Bank 1
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AUXID = 0x58, // AUXID = 0b00001111
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REVID = 0x59, // REVID = 0b00000111
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ID = 0x5A, // ID = 0b11111111
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CFG12 = 0x66, // SP_TH_CH = 0b00000111
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// Bank 0
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ENABLE = 0x80, // FDEN = 0b01000000
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// SMUXEN = 0b00010000
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// WEN = 0b00001000
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// SP_EN = 0b00000010
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// PON = 0b00000001
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ATIME = 0x81, // ATIME = 0b11111111
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// Integration Time Step Size
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// 0 = 2.87us
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// n 2.87us x (n + 1)
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ASTEP = 0xD4, // STEP = 0xFFFF
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// Spectral Measurement Wait Time
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// 0 = 1 cycle = 2.78ms
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// n = 2.78ms x (n + 1)
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WTIME = 0x83, // WTIME = 0b11111111
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SP_TH = 0x84, // SP_TH_L = 0xFFFF0000 Spectral Low Threshold
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// SP_TH_H = 0x0000FFFF Spectral High Threshold
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STATUS = 0x93, // ASAT = 0b10000000 Spectral Saturation (if ASIEN set)
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// AINT = 0b00001000 Spectral Channel Interrupt (if SP_IEN set)
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// FINT = 0b00000100 FIFO Buffer Interrupt
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// SINT = 0b00000001 System Interrupt
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ASTATUS = 0x94,// ASAT = 0b10000000 Saturation Status
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// AGAIN = 0b00000111 Gain Status
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DATA = 0x95, // 36 bytes, fields 0 to 17 (2 bytes eac)
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STATUS2 = 0x90,// AVALID = 0b01000000 Spectral Data Valid
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// ASAT_DIG = 0b00010000 Digital Saturation
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// ASAT_ANA = 0b00001000 Analog Saturation
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// FDSAT_ANA= 0b00000010 Flicker Analog Saturation
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// FDSAT_DIG= 0b00000001 Flicker Digital Saturation
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STATUS3 = 0x91,// INT_SP_H = 0b00100000 Spectral Above High Threshold
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// INT_SP_L = 0b00010000 Spectral Below Low Threshold
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STATUS5 = 0xBB,// SINT_FD = 0b00001000 Flicker Detect Interrupt (if SIEN_FD set)
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// SINT_SMUX= 0b00000100 SMUS Operation Interrupt (SMUX exec finished)
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STATUS4 = 0xBC,// FIFO_OV = 0b10000000 FIFO Buffer Overflow
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// OVTEMP = 0b00100000 Over Temperature
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// FD_TRIG = 0b00010000 Flicker Detect Trigger Error
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// SD_TRIG = 0b00000100 Spectral Trigger Error
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// SAI_ACT = 0b00000010 Sleep After Interrupt Active
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// INT_BUSY = 0b00000001 Initialization busy (1 for ~300us after power on)
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CFG0 = 0xBF, // LOW_POWER= 0b00100000
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// REG_BANK = 0b00010000 0 - Register 0x80 and above
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// 1 - Register 0x20 to 0x7f
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// WLONG = 0b00000100 Increase WTIME by factor of 16
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// Spectral Engines Gain Setting
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// 0 = 0.5x, # 1 = 1x, 2 = 2x, 12 = 2048x
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// GAINx = 1 << (n - 1)
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CFG1 = 0xC6,
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CFG3 = 0xC7, // SAI = 0b00100000 Sleep after interrupt
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CFG6 = 0xF5, // SMUS_CMD = 0b00011000 0 - ROM_init
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// 1 - Read_SMUX
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// 2 - Write_SMUX
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CFG8 = 0xC9, // FIFO_TH = 0b11000000 0b00, 0b01, 0b10, 0b11
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CFG9 = 0xCA, // SIEN_FD = 0b01000000 System Interrupt Flicker Detection
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// SIEN_SMUX= 0b00010000 System Interrupt SMUX Operation
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CFG10 = 0x65, // FD_PERS = 0b00000111 Flicker Detect Persistence
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// Number of results that must differ before status change
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PERS = 0xCF, // APERS = 0b00001111
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GPIO = 0x6B, // GPIO_INV = 0b00001000 Invert GPIO output
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// GPIO_IN_EN=0b00000100 Enable GPIO input
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// GPIO_OUT = 0b00000010 GPIO Output
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// GPIO_IN = 0b00000001 GPIO Input
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CFG20 = 0xD6, // FD_FIFO_8b=0b10000000 Enable 8bit FIFO mode for Flicker Detect (FD_TIME < 256)
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// auto_SMUX= 0b01100000 Auto channel read-out
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LED = 0xCD, // LED_ACT = 0b10000000 External LED (LDR) Control
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// LED_DRIVE= 0b01111111 External LED drive strength (N - 4) >> 1
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// Flicker Detection AGC Gain Max
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// Max = 2^N (0 = 0.5x)
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AGC_GAIN_MAX = 0xD7, // ADC_FD_GAIN_MAX = 0b11110000
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AZ_CONFIG = 0xDE, // AT_NTH_ITERATION = 0b11111111 Auto-zero Frequency
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// 0 - Never (Not Recommended)
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// n - Every n integration cycles
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// 255 - only before first measurement cycle
|
||||
FD_TIME_1 = 0xE0, // FD_TIME=0b11111111 Flicker Detection Integration Time (Do not change if FDEN = 1 & PON = 1)
|
||||
FD_TIME_2 = 0xE2, // FD_GAIN=0b11111000 Flicker Detection Gain (0 = 0.5x, 1 = 1x, 2 = 2x, 12 = 2048x)
|
||||
// FD_TIME=0b00000111 Flicker Detection Time (Do not change if FDEN = 1 & PON = 1)
|
||||
FD_CFG0 = 0xDF, // FIFO_WRITE_FD = 0b10000000 Write flicker raw data to FIFO (1 byte per sample)
|
||||
FD_STATUS = 0xE3, // FD_VALID=0b00100000
|
||||
// FD_SAT = 0b00010000
|
||||
// FD_120HZ_VALID = 0b00001000
|
||||
// FD_100HZ_VALID = 0b00000100
|
||||
// FD_120HZ = 0b00000010
|
||||
// FD_100HZ = 0b00000001
|
||||
INTERNAB = 0xF9, // ASIEN = 0b10000000 Saturation Interrupt Enable
|
||||
// SP_IEN = 0b00001000 Spectral Interrupt Enable
|
||||
// FIEN = 0b00000100 FIFO Buffer Interrupt Enable
|
||||
// SIEN = 0b00000001 System Interrupt Enable
|
||||
CONTROL = 0xFA, // SW_RESET = 0b00001000 Software Reset
|
||||
// SP_MAN_AZ= 0b00000100 Spectral Manual Auto-zero
|
||||
// FIFO_CLR = 0b00000010 FIFO Buffer Clear
|
||||
// CLEAR_SAI_ACT = 0b00000001 Clear sleep-after-interrupt
|
||||
FIFO_MAP = 0xFC, // CH5 = 0b01000000
|
||||
// CH4 = 0b00100000
|
||||
// CH3 = 0b00010000
|
||||
// CH2 = 0b00001000
|
||||
// CH1 = 0b00000100
|
||||
// CH0 = 0b00000010
|
||||
// ASTATUS = 0b00000001
|
||||
FIFO_LVL = 0xFD,
|
||||
FDATA = 0xFE // 0xFFFF
|
||||
};
|
||||
|
||||
constexpr uint8_t HARDWARE_ID = 0b10000001;
|
||||
|
||||
constexpr uint8_t CFG0_LOW_POWER = 0b00100000;
|
||||
constexpr uint8_t CFG0_BANK = 0b00010000;
|
||||
constexpr uint8_t CFG0_WLONG = 0b00000100;
|
||||
|
||||
constexpr uint8_t CFG20_6_CH = 0b00000000;
|
||||
constexpr uint8_t CFG20_12_CH = 0b01000000;
|
||||
constexpr uint8_t CFG20_18_CH = 0b01100000;
|
||||
|
||||
constexpr uint8_t ENABLE_FDEN = 0b01000000;
|
||||
constexpr uint8_t ENABLE_SMUXEN = 0b00010000;
|
||||
constexpr uint8_t ENABLE_WEN = 0b00001000;
|
||||
constexpr uint8_t ENABLE_SP_EN = 0b00000010;
|
||||
constexpr uint8_t ENABLE_PON = 0b00000001;
|
||||
|
||||
constexpr uint8_t FD_CFG0_FIFO_WRITE = 0b10000000;
|
||||
|
||||
constexpr uint8_t FD_VALID = 0b00100000;
|
||||
constexpr uint8_t FD_SAT = 0b00010000;
|
||||
constexpr uint8_t FD_120HZ_VALID = 0b00001000;
|
||||
constexpr uint8_t FD_100HZ_VALID = 0b00000100;
|
||||
constexpr uint8_t FD_120HZ = 0b00000010;
|
||||
constexpr uint8_t FD_100HZ = 0b00000001;
|
||||
|
||||
constexpr uint8_t INTERNAB_ASIEN = 0b10000000;
|
||||
constexpr uint8_t INTERNAB_SP_IEN = 0b00001000;
|
||||
constexpr uint8_t INTERNAB_FIEN = 0b00000100;
|
||||
constexpr uint8_t INTERNAB_SIEN = 0b00000001;
|
||||
|
||||
constexpr uint8_t CONTROL_SW_RESET = 0b00001000;
|
||||
constexpr uint8_t CONTROL_SP_MAN_AZ = 0b00000100;
|
||||
constexpr uint8_t CONTROL_FIFO_CLR = 0b00000010;
|
||||
constexpr uint8_t CONTROL_CLEAR_SAI_ACT = 0b00000001;
|
||||
|
||||
constexpr uint8_t FIFO_MAP_CH5 = 0b01000000;
|
||||
constexpr uint8_t FIFO_MAP_CH4 = 0b00100000;
|
||||
constexpr uint8_t FIFO_MAP_CH3 = 0b00010000;
|
||||
constexpr uint8_t FIFO_MAP_CH2 = 0b00001000;
|
||||
constexpr uint8_t FIFO_MAP_CH1 = 0b00000100;
|
||||
constexpr uint8_t FIFO_MAP_CH0 = 0b00000010;
|
||||
constexpr uint8_t FIFO_MAP_ASTATUS = 0b00000001;
|
||||
}
|
||||
|
|
@ -19,6 +19,7 @@ add_subdirectory(breakout_bme688)
|
|||
add_subdirectory(breakout_bmp280)
|
||||
add_subdirectory(breakout_bme280)
|
||||
add_subdirectory(breakout_as7262)
|
||||
add_subdirectory(as7343)
|
||||
add_subdirectory(breakout_bh1745)
|
||||
add_subdirectory(breakout_icp10125)
|
||||
add_subdirectory(breakout_scd41)
|
||||
|
|
|
|||
|
|
@ -0,0 +1 @@
|
|||
include("${CMAKE_CURRENT_LIST_DIR}/as7343_demo.cmake")
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
set(OUTPUT_NAME as7343_demo)
|
||||
|
||||
add_executable(
|
||||
${OUTPUT_NAME}
|
||||
as7343_demo.cpp
|
||||
)
|
||||
|
||||
# enable usb output, disable uart output
|
||||
pico_enable_stdio_usb(${OUTPUT_NAME} 1)
|
||||
pico_enable_stdio_uart(${OUTPUT_NAME} 1)
|
||||
|
||||
# Pull in pico libraries that we need
|
||||
target_link_libraries(${OUTPUT_NAME} pico_stdlib as7343)
|
||||
|
||||
# create map/bin/hex file etc.
|
||||
pico_add_extra_outputs(${OUTPUT_NAME})
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
#include "pico/stdlib.h"
|
||||
#include "common/pimoroni_common.hpp"
|
||||
|
||||
#include "as7343.hpp"
|
||||
|
||||
using namespace pimoroni;
|
||||
|
||||
I2C i2c(6, 7);
|
||||
AS7343 as7343(&i2c);
|
||||
|
||||
int main() {
|
||||
stdio_init_all();
|
||||
|
||||
printf("AS7343 Demo\n");
|
||||
as7343.init();
|
||||
printf("Init done...\n");
|
||||
|
||||
uint8_t aux_id;
|
||||
uint8_t revision_id;
|
||||
uint8_t hardware_id;
|
||||
|
||||
as7343.get_version(aux_id, revision_id, hardware_id);
|
||||
|
||||
printf("Aux: %d, Rev: %d, HW: %d\n", aux_id, revision_id, hardware_id);
|
||||
|
||||
printf("set_channels\n");
|
||||
as7343.set_channels(AS7343::channel_count::EIGHTEEN_CHANNEL);
|
||||
|
||||
printf("set_gain\n");
|
||||
as7343.set_gain(1024);
|
||||
|
||||
printf("set_measurement_time\n");
|
||||
as7343.set_measurement_time(500);
|
||||
|
||||
printf("set_integration_time\n");
|
||||
as7343.set_integration_time(27800);
|
||||
|
||||
printf("set_illumination_current\n");
|
||||
as7343.set_illumination_current(4);
|
||||
|
||||
printf("set_illumination_led\n");
|
||||
as7343.set_illumination_led(true);
|
||||
|
||||
printf("start...\n");
|
||||
while(true) {
|
||||
|
||||
AS7343::reading reading = as7343.read();
|
||||
printf("FZ: %d FY: %d FXL: %d NIR: %d F2 %d F3: %d F4: %d F5: %d F1: %d F5: %d F7: %d F8: %d \n",
|
||||
reading.FZ,
|
||||
reading.FY,
|
||||
reading.FXL,
|
||||
reading.NIR,
|
||||
|
||||
reading.F2,
|
||||
reading.F3,
|
||||
reading.F4,
|
||||
reading.F6,
|
||||
|
||||
reading.F1,
|
||||
reading.F5,
|
||||
reading.F7,
|
||||
reading.F8
|
||||
);
|
||||
|
||||
sleep_ms(1000);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,97 @@
|
|||
from picographics import PicoGraphics, DISPLAY_TUFTY_2040, PEN_P4
|
||||
from breakout_as7343 import BreakoutAS7343
|
||||
from pimoroni_i2c import PimoroniI2C
|
||||
|
||||
|
||||
display = PicoGraphics(DISPLAY_TUFTY_2040, pen_type=PEN_P4, rotate=90)
|
||||
|
||||
WIDTH, HEIGHT = display.get_bounds()
|
||||
|
||||
BLACK = display.create_pen(0, 0, 0)
|
||||
|
||||
FZ = display.create_pen(0, 0, 128)
|
||||
FY = display.create_pen(0, 255, 0)
|
||||
FXL = display.create_pen(255, 128, 0)
|
||||
NIR = display.create_pen(128, 0, 0)
|
||||
F2 = display.create_pen(128, 0, 128)
|
||||
F3 = display.create_pen(0, 0, 255)
|
||||
F4 = display.create_pen(0, 128, 255)
|
||||
F6 = display.create_pen(128, 64, 0)
|
||||
|
||||
F1 = display.create_pen(196, 0, 196)
|
||||
F5 = display.create_pen(64, 255, 64)
|
||||
F7 = display.create_pen(255, 0, 0)
|
||||
F8 = display.create_pen(196, 0, 0)
|
||||
|
||||
WHITE = display.create_pen(255, 255, 255)
|
||||
|
||||
i2c = PimoroniI2C(sda=4, scl=5)
|
||||
as7343 = BreakoutAS7343(i2c)
|
||||
|
||||
as7343.set_channels(18)
|
||||
as7343.set_gain(1024)
|
||||
as7343.set_measurement_time(33) # Roughly 30fps at 16ms/measurement
|
||||
as7343.set_integration_time(27800)
|
||||
|
||||
as7343.set_illumination_current(4)
|
||||
as7343.set_illumination_led(True)
|
||||
|
||||
|
||||
BAR_WIDTH = 18
|
||||
BAR_SPACING = 4
|
||||
MARGIN = display.measure_text("NIR") + 2
|
||||
BAR_HEIGHT = WIDTH - MARGIN
|
||||
|
||||
OFFSET_LEFT = int((HEIGHT - ((BAR_WIDTH + BAR_SPACING) * 12)) / 2)
|
||||
|
||||
# Satrting max values for auto-ranging
|
||||
# From figure 8 of the datasheet
|
||||
MAX_VALUES = [
|
||||
2711,
|
||||
4684,
|
||||
5970,
|
||||
13226,
|
||||
2371,
|
||||
962,
|
||||
3926,
|
||||
4170,
|
||||
7760,
|
||||
1967,
|
||||
6774,
|
||||
1166
|
||||
]
|
||||
|
||||
LABELS = [
|
||||
"FZ",
|
||||
"FY",
|
||||
"FXL",
|
||||
"NIR",
|
||||
"F2",
|
||||
"F3",
|
||||
"F4",
|
||||
"F6",
|
||||
"F1",
|
||||
"F5",
|
||||
"F7",
|
||||
"F8"
|
||||
]
|
||||
|
||||
|
||||
while True:
|
||||
display.set_pen(0)
|
||||
display.clear()
|
||||
readings = as7343.read()
|
||||
for i, reading in enumerate(readings):
|
||||
MAX_VALUES[i] = max(reading, MAX_VALUES[i])
|
||||
scaled = int(reading / MAX_VALUES[i] * BAR_HEIGHT)
|
||||
|
||||
y = i * (BAR_WIDTH + BAR_SPACING)
|
||||
y += OFFSET_LEFT
|
||||
|
||||
display.set_pen(i + 1)
|
||||
display.rectangle(MARGIN, y, scaled, BAR_WIDTH)
|
||||
|
||||
display.set_pen(WHITE)
|
||||
display.text(LABELS[i], 0, y + 1)
|
||||
|
||||
display.update()
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
#include "breakout_as7343.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// BreakoutAS7343 Class
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/***** Methods *****/
|
||||
MP_DEFINE_CONST_FUN_OBJ_1(BreakoutAS7343_reset_obj, BreakoutAS7343_reset);
|
||||
MP_DEFINE_CONST_FUN_OBJ_1(BreakoutAS7343_version_obj, BreakoutAS7343_version);
|
||||
MP_DEFINE_CONST_FUN_OBJ_1(BreakoutAS7343_read_obj, BreakoutAS7343_read);
|
||||
|
||||
MP_DEFINE_CONST_FUN_OBJ_2(BreakoutAS7343_set_gain_obj, BreakoutAS7343_set_gain);
|
||||
MP_DEFINE_CONST_FUN_OBJ_2(BreakoutAS7343_set_integration_time_obj, BreakoutAS7343_set_integration_time);
|
||||
MP_DEFINE_CONST_FUN_OBJ_2(BreakoutAS7343_set_measurement_time_obj, BreakoutAS7343_set_measurement_time);
|
||||
|
||||
MP_DEFINE_CONST_FUN_OBJ_2(BreakoutAS7343_set_illumination_current_obj, BreakoutAS7343_set_illumination_current);
|
||||
MP_DEFINE_CONST_FUN_OBJ_2(BreakoutAS7343_set_illumination_led_obj, BreakoutAS7343_set_illumination_led);
|
||||
|
||||
MP_DEFINE_CONST_FUN_OBJ_2(BreakoutAS7343_set_channels_obj, BreakoutAS7343_set_channels);
|
||||
|
||||
/***** Binding of Methods *****/
|
||||
STATIC const mp_rom_map_elem_t BreakoutAS7343_locals_dict_table[] = {
|
||||
{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&BreakoutAS7343_reset_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_version), MP_ROM_PTR(&BreakoutAS7343_version_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&BreakoutAS7343_read_obj) },
|
||||
|
||||
{ MP_ROM_QSTR(MP_QSTR_set_gain), MP_ROM_PTR(&BreakoutAS7343_set_gain_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_set_measurement_time), MP_ROM_PTR(&BreakoutAS7343_set_measurement_time_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_set_integration_time), MP_ROM_PTR(&BreakoutAS7343_set_integration_time_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_set_illumination_current), MP_ROM_PTR(&BreakoutAS7343_set_illumination_current_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_set_illumination_led), MP_ROM_PTR(&BreakoutAS7343_set_illumination_led_obj) },
|
||||
{ MP_ROM_QSTR(MP_QSTR_set_channels), MP_ROM_PTR(&BreakoutAS7343_set_channels_obj) },
|
||||
};
|
||||
STATIC MP_DEFINE_CONST_DICT(BreakoutAS7343_locals_dict, BreakoutAS7343_locals_dict_table);
|
||||
|
||||
/***** Class Definition *****/
|
||||
#ifdef MP_DEFINE_CONST_OBJ_TYPE
|
||||
MP_DEFINE_CONST_OBJ_TYPE(
|
||||
breakout_as7343_BreakoutAS7343_type,
|
||||
MP_QSTR_BreakoutAS7343,
|
||||
MP_TYPE_FLAG_NONE,
|
||||
make_new, BreakoutAS7343_make_new,
|
||||
locals_dict, (mp_obj_dict_t*)&BreakoutAS7343_locals_dict
|
||||
);
|
||||
#else
|
||||
const mp_obj_type_t breakout_as7343_BreakoutAS7343_type = {
|
||||
{ &mp_type_type },
|
||||
.name = MP_QSTR_BreakoutAS7343,
|
||||
.make_new = BreakoutAS7343_make_new,
|
||||
.locals_dict = (mp_obj_dict_t*)&BreakoutAS7343_locals_dict,
|
||||
};
|
||||
#endif
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// breakout_as7343 Module
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/***** Globals Table *****/
|
||||
STATIC const mp_map_elem_t breakout_as7343_globals_table[] = {
|
||||
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_breakout_as7343) },
|
||||
{ MP_OBJ_NEW_QSTR(MP_QSTR_BreakoutAS7343), (mp_obj_t)&breakout_as7343_BreakoutAS7343_type },
|
||||
};
|
||||
STATIC MP_DEFINE_CONST_DICT(mp_module_breakout_as7343_globals, breakout_as7343_globals_table);
|
||||
|
||||
/***** Module Definition *****/
|
||||
const mp_obj_module_t breakout_as7343_user_cmodule = {
|
||||
.base = { &mp_type_module },
|
||||
.globals = (mp_obj_dict_t*)&mp_module_breakout_as7343_globals,
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
#if MICROPY_VERSION <= 70144
|
||||
MP_REGISTER_MODULE(MP_QSTR_breakout_as7343, breakout_as7343_user_cmodule, MODULE_BREAKOUT_AS7343_ENABLED);
|
||||
#else
|
||||
MP_REGISTER_MODULE(MP_QSTR_breakout_as7343, breakout_as7343_user_cmodule);
|
||||
#endif
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -0,0 +1,140 @@
|
|||
#include "drivers/as7343/as7343.hpp"
|
||||
#include "common/pimoroni_i2c.hpp"
|
||||
#include "micropython/modules/util.hpp"
|
||||
|
||||
|
||||
using namespace pimoroni;
|
||||
|
||||
extern "C" {
|
||||
#include "breakout_as7343.h"
|
||||
#include "pimoroni_i2c.h"
|
||||
|
||||
/***** Variables Struct *****/
|
||||
typedef struct _breakout_as7343_BreakoutAS7343_obj_t {
|
||||
mp_obj_base_t base;
|
||||
AS7343 *breakout;
|
||||
_PimoroniI2C_obj_t *i2c;
|
||||
} breakout_as7343_BreakoutAS7343_obj_t;
|
||||
|
||||
|
||||
|
||||
/***** Constructor *****/
|
||||
mp_obj_t BreakoutAS7343_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = nullptr;
|
||||
|
||||
enum { ARG_i2c, ARG_int };
|
||||
static const mp_arg_t allowed_args[] = {
|
||||
{ MP_QSTR_i2c, MP_ARG_OBJ, {.u_obj = nullptr} },
|
||||
{ MP_QSTR_interrupt, MP_ARG_INT, {.u_int = PIN_UNUSED} },
|
||||
};
|
||||
|
||||
// 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);
|
||||
|
||||
self = m_new_obj(breakout_as7343_BreakoutAS7343_obj_t);
|
||||
self->base.type = &breakout_as7343_BreakoutAS7343_type;
|
||||
|
||||
self->i2c = PimoroniI2C_from_machine_i2c_or_native(args[ARG_i2c].u_obj);
|
||||
|
||||
self->breakout = m_new_class(AS7343, (pimoroni::I2C *)(self->i2c->i2c), args[ARG_int].u_int);
|
||||
|
||||
if(!self->breakout->init()) {
|
||||
mp_raise_msg(&mp_type_RuntimeError, "BreakoutAS7343: breakout not found when initialising");
|
||||
}
|
||||
|
||||
return MP_OBJ_FROM_PTR(self);
|
||||
}
|
||||
|
||||
/***** Methods *****/
|
||||
mp_obj_t BreakoutAS7343_reset(mp_obj_t self_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
self->breakout->reset();
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_version(mp_obj_t self_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
uint8_t aux_id, revision_id, hardware_id;
|
||||
self->breakout->get_version(aux_id, revision_id, hardware_id);
|
||||
|
||||
mp_obj_t tuple[3];
|
||||
tuple[0] = mp_obj_new_int(aux_id);
|
||||
tuple[1] = mp_obj_new_int(revision_id);
|
||||
tuple[2] = mp_obj_new_int(hardware_id);
|
||||
return mp_obj_new_tuple(3, tuple);
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_read(mp_obj_t self_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
AS7343::reading reading = self->breakout->read();
|
||||
|
||||
mp_obj_t tuple[12];
|
||||
tuple[0] = mp_obj_new_float(reading.FZ);
|
||||
tuple[1] = mp_obj_new_float(reading.FY);
|
||||
tuple[2] = mp_obj_new_float(reading.FXL);
|
||||
tuple[3] = mp_obj_new_float(reading.NIR);
|
||||
|
||||
tuple[4] = mp_obj_new_float(reading.F2);
|
||||
tuple[5] = mp_obj_new_float(reading.F3);
|
||||
tuple[6] = mp_obj_new_float(reading.F4);
|
||||
tuple[7] = mp_obj_new_float(reading.F6);
|
||||
|
||||
tuple[8] = mp_obj_new_float(reading.F1);
|
||||
tuple[9] = mp_obj_new_float(reading.F5);
|
||||
tuple[10] = mp_obj_new_float(reading.F7);
|
||||
tuple[11] = mp_obj_new_float(reading.F8);
|
||||
|
||||
return mp_obj_new_tuple(12, tuple);
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_set_gain(mp_obj_t self_in, mp_obj_t value_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
self->breakout->set_gain(mp_obj_get_int(value_in));
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_set_measurement_time(mp_obj_t self_in, mp_obj_t value_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
self->breakout->set_measurement_time(mp_obj_get_float(value_in));
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_set_integration_time(mp_obj_t self_in, mp_obj_t value_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
self->breakout->set_integration_time(mp_obj_get_float(value_in));
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_set_illumination_current(mp_obj_t self_in, mp_obj_t value_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
self->breakout->set_illumination_current(mp_obj_get_int(value_in));
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_set_illumination_led(mp_obj_t self_in, mp_obj_t value_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
self->breakout->set_illumination_led(value_in == mp_const_true);
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
|
||||
mp_obj_t BreakoutAS7343_set_channels(mp_obj_t self_in, mp_obj_t value_in) {
|
||||
breakout_as7343_BreakoutAS7343_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_as7343_BreakoutAS7343_obj_t);
|
||||
|
||||
self->breakout->set_channels((AS7343::channel_count)mp_obj_get_int(value_in));
|
||||
|
||||
return mp_const_none;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
// Include MicroPython API.
|
||||
#include "py/runtime.h"
|
||||
|
||||
/***** Constants *****/
|
||||
|
||||
|
||||
/***** Extern of Class Definition *****/
|
||||
extern const mp_obj_type_t breakout_as7343_BreakoutAS7343_type;
|
||||
|
||||
/***** Extern of Class Methods *****/
|
||||
extern mp_obj_t BreakoutAS7343_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 BreakoutAS7343_reset(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutAS7343_version(mp_obj_t self_in);
|
||||
extern mp_obj_t BreakoutAS7343_read(mp_obj_t self_in);
|
||||
|
||||
extern mp_obj_t BreakoutAS7343_set_gain(mp_obj_t self_in, mp_obj_t value_in);
|
||||
extern mp_obj_t BreakoutAS7343_set_measurement_time(mp_obj_t self_in, mp_obj_t value_in);
|
||||
extern mp_obj_t BreakoutAS7343_set_integration_time(mp_obj_t self_in, mp_obj_t value_in);
|
||||
|
||||
extern mp_obj_t BreakoutAS7343_set_illumination_current(mp_obj_t self_in, mp_obj_t value_in);
|
||||
extern mp_obj_t BreakoutAS7343_set_illumination_led(mp_obj_t self_in, mp_obj_t value_in);
|
||||
|
||||
extern mp_obj_t BreakoutAS7343_set_channels(mp_obj_t self_in, mp_obj_t value_in);
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
set(MOD_NAME breakout_as7343)
|
||||
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
|
||||
${CMAKE_CURRENT_LIST_DIR}/../../../drivers/as7343/as7343.cpp
|
||||
)
|
||||
|
||||
target_include_directories(usermod_${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})
|
||||
|
|
@ -4,6 +4,7 @@ include(breakout_encoder_wheel/micropython)
|
|||
include(breakout_ioexpander/micropython)
|
||||
include(breakout_ltr559/micropython)
|
||||
include(breakout_as7262/micropython)
|
||||
include(breakout_as7343/micropython)
|
||||
include(breakout_rgbmatrix5x5/micropython)
|
||||
include(breakout_matrix11x7/micropython)
|
||||
include(breakout_msa301/micropython)
|
||||
|
|
|
|||
Loading…
Reference in New Issue