From: Nathael Pajani Date: Thu, 3 Jan 2019 22:10:48 +0000 (+0100) Subject: Scialys test 12V X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=b1e5640b14cc113d56bf76b9f749ff63db40b957;p=soft%2Flpc122x%2Fscialys Scialys test 12V --- diff --git a/test12V/Makefile b/test12V/Makefile new file mode 100644 index 0000000..41ae555 --- /dev/null +++ b/test12V/Makefile @@ -0,0 +1,21 @@ +# Makefile for apps + +MODULE = $(shell basename $(shell cd .. && pwd && cd -)) +NAME = $(shell basename $(CURDIR)) + +# Add this to your ~/.vimrc in order to get proper function of :make in vim : +# let $COMPILE_FROM_IDE = 1 +ifeq ($(strip $(COMPILE_FROM_IDE)),) + PRINT_DIRECTORY = --no-print-directory +else + PRINT_DIRECTORY = + LANG = C +endif + +.PHONY: $(NAME).bin +$(NAME).bin: + @make -C ../../.. ${PRINT_DIRECTORY} NAME=$(NAME) MODULE=$(MODULE) apps/$(MODULE)/$(NAME)/$@ + +clean mrproper: + @make -C ../../.. ${PRINT_DIRECTORY} $@ + diff --git a/test12V/README b/test12V/README new file mode 100644 index 0000000..97ca881 --- /dev/null +++ b/test12V/README @@ -0,0 +1,22 @@ +Scialys system for solar-panel power generation tracking and fair use. + +Copyright 2016 Nathael Pajani + + +/* **************************************************************************** + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + *************************************************************************** */ + +Beta version of Scialys system. diff --git a/test12V/main.c b/test12V/main.c new file mode 100644 index 0000000..aec0773 --- /dev/null +++ b/test12V/main.c @@ -0,0 +1,497 @@ +/**************************************************************************** + * apps/scialys/beta/main.c + * + * Scialys system for solar-panel power generation tracking and fair use. + * + * Copyright 2016 Nathael Pajani + * + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + *************************************************************************** */ + + + +#include "core/system.h" +#include "core/systick.h" +#include "core/pio.h" +#include "lib/stdio.h" +#include "lib/errno.h" +#include "drivers/serial.h" +#include "drivers/gpio.h" +#include "drivers/adc.h" +#include "drivers/ssp.h" +#include "drivers/i2c.h" +#include "drivers/timers.h" + +#include "extdrv/status_led.h" +#include "extdrv/ws2812.h" +#include "extdrv/max31855_thermocouple.h" +#include "extdrv/tmp101_temp_sensor.h" +#include "extdrv/rtc_pcf85363a.h" +#include "extdrv/ssd130x_oled_driver.h" +#include "extdrv/ssd130x_oled_buffer.h" +#include "lib/font.h" +#include "lib/time.h" + +#include "extdrv/sdmmc.h" + +#define MODULE_VERSION 0x05 +#define MODULE_NAME "Scialys uC" + + +#define SELECTED_FREQ FREQ_SEL_48MHz + + + +/***************************************************************************** */ +/* Pins configuration */ +/* pins blocks are passed to set_pins() for pins configuration. + * Unused pin blocks can be removed safely with the corresponding set_pins() call + * All pins blocks may be safelly merged in a single block for single set_pins() call.. + */ +const struct pio_config common_pins[] = { + /* UART 0 : Config / Debug / USB */ + { LPC_UART0_RX_PIO_0_1, LPC_IO_DIGITAL }, + { LPC_UART0_TX_PIO_0_2, LPC_IO_DIGITAL }, + /* UART 1 : UEXT */ + { LPC_UART1_RX_PIO_0_8, LPC_IO_DIGITAL }, + { LPC_UART1_TX_PIO_0_9, LPC_IO_DIGITAL }, + /* I2C : RTC, Display, UEXT */ + { LPC_I2C0_SCL_PIO_0_10, (LPC_IO_DIGITAL | LPC_IO_OPEN_DRAIN_ENABLE) }, + { LPC_I2C0_SDA_PIO_0_11, (LPC_IO_DIGITAL | LPC_IO_OPEN_DRAIN_ENABLE) }, + /* SPI (Thermocouple + uSD card + UEXT) */ + { LPC_SSP0_SCLK_PIO_0_14, LPC_IO_DIGITAL }, + { LPC_SSP0_MOSI_PIO_0_17, LPC_IO_DIGITAL }, + { LPC_SSP0_MISO_PIO_0_16, LPC_IO_DIGITAL }, + /* GPIO */ + { LPC_GPIO_0_0, LPC_IO_DIGITAL }, /* Clkout / interrupt from RTC */ + { LPC_GPIO_0_3, LPC_IO_DIGITAL }, /* EJP / External switch input */ + { LPC_GPIO_0_4, LPC_IO_DIGITAL }, /* Zero crossing detection input */ + { LPC_GPIO_0_6, LPC_IO_DIGITAL }, /* Mosfet control */ + { LPC_GPIO_0_7, LPC_IO_DIGITAL }, /* Fan Control */ + { LPC_GPIO_0_12, LPC_IO_DIGITAL }, /* ISP / User button OK */ + { LPC_GPIO_0_15, LPC_IO_DIGITAL }, /* Thermocouple chip select */ + { LPC_GPIO_0_21, LPC_IO_DIGITAL }, /* WS2812B RGB Leds control */ + { LPC_GPIO_0_22, LPC_IO_DIGITAL }, /* User button B4 */ + { LPC_GPIO_0_23, LPC_IO_DIGITAL }, /* User button B3 */ + { LPC_GPIO_0_24, LPC_IO_DIGITAL }, /* User button B2 */ + { LPC_GPIO_0_25, LPC_IO_DIGITAL }, /* User button B1 */ + { LPC_GPIO_0_28, LPC_IO_DIGITAL }, /* Charge State */ + { LPC_GPIO_1_1, LPC_IO_DIGITAL }, /* Uext Chip select / Module eeprom select */ + { LPC_GPIO_1_6, LPC_IO_DIGITAL }, /* uSD Card SPI Chip Select */ + ARRAY_LAST_PIO, +}; + +const struct pio_config adc_pins[] = { + { LPC_ADC_AD0_PIO_0_30, LPC_IO_ANALOG }, /* ADC0 */ + { LPC_ADC_AD1_PIO_0_31, LPC_IO_ANALOG }, /* ADC1 */ + { LPC_ADC_AD2_PIO_1_0, LPC_IO_ANALOG }, /* ADC2 */ + { LPC_ADC_AD7_PIO_1_5, LPC_IO_ANALOG }, /* ADC3 */ + ARRAY_LAST_PIO, +}; + +const struct pio status_led_green = LPC_GPIO_0_26; +const struct pio status_led_red = LPC_GPIO_0_27; + +/* Inputs */ +/* Buttons */ +const struct pio button_ok = LPC_GPIO_0_12; +const struct pio button_b1 = LPC_GPIO_0_25; +const struct pio button_b2 = LPC_GPIO_0_24; +const struct pio button_b3 = LPC_GPIO_0_23; +const struct pio button_b4 = LPC_GPIO_0_22; +/* External signals */ +const struct pio rtc_in_pin = LPC_GPIO_0_0; +const struct pio ejp_in_pin = LPC_GPIO_0_3; +const struct pio zero_cross_in_pin = LPC_GPIO_0_4; +const struct pio charge_status_in_pin = LPC_GPIO_0_28; + +/* Outputs */ +/* Led control data pin */ +const struct pio ws2812_data_out_pin = LPC_GPIO_0_21; +/* AC output control (Mosfet) */ +const struct pio ac_ctrl = LPC_GPIO_0_6; +const struct pio fan_ctrl = LPC_GPIO_0_7; + + +/* Thermocouple reading */ +const struct max31855_sensor_config thermo = { + .ssp_bus_num = 0, + .chip_select = LPC_GPIO_0_15, +}; + + +const struct lpc_tc_config ac_timer_conf = { + .mode = LPC_TIMER_MODE_TIMER | LPC_TIMER_MODE_MATCH, + .match_control = { LPC_TIMER_INT_RESET_AND_STOP_ON_MATCH, 0, 0, 0, }, + .match = { 10, 0, 0, 0, }, + .ext_match_config = { LPC_TIMER_SET_ON_MATCH, 0, 0, 0, }, +}; + + + +/***************************************************************************** */ +/* Basic system init and configuration */ +static volatile int got_wdt_int = 0; +void wdt_callback(void) +{ + got_wdt_int = 1; +} + +const struct wdt_config wdconf = { + .clk_sel = WDT_CLK_IRC, + .intr_mode_only = 0, + .callback = wdt_callback, + .locks = 0, + .nb_clk = 0x03FFFFFF, /* 0x3FF to 0x03FFFFFF */ + .wdt_window = 0, + .wdt_warn = 0x3FF, +}; + +void system_init() +{ + /* Configure the Watchdog */ + watchdog_config(&wdconf); + system_set_default_power_state(); + clock_config(SELECTED_FREQ); + set_pins(common_pins); + set_pins(adc_pins); + gpio_on(); + status_led_config(&status_led_green, &status_led_red); + /* System tick timer MUST be configured and running in order to use the sleeping + * functions */ + systick_timer_on(1); /* 1ms */ + systick_start(); +} + +/* Define our fault handler. This one is not mandatory, the dummy fault handler + * will be used when it's not overridden here. + * Note : The default one does a simple infinite loop. If the watchdog is deactivated + * the system will hang. + */ +void fault_info(const char* name, uint32_t len) +{ + uprintf(UART0, name); + while (1); +} + + +/***************************************************************************** */ +/* Some global flags or variables */ +volatile static int act_cmd = 0; +volatile static uint32_t fan_on = 0; + + +/***************************************************************************** */ +/* System configuration over USB */ +void config_rx(uint8_t c) +{ + /* FAN control */ + if (c == 'f') { + gpio_set(fan_ctrl); + fan_on = 1; + } else { + gpio_clear(fan_ctrl); + fan_on = 0; + } +} + + +/***************************************************************************** */ +/* AC control */ + +void set_ctrl_duty_cycle(uint8_t value) +{ + act_cmd = value; + if (act_cmd >= 97) { + /* 100 is the maximum allowed value, but also due to electronics (zero-cross detection) + and alternative waveform, it has no meaning to differentiate between close to 100 + and a real 100. Consider anything above 96% as 100% */ + act_cmd = 100; + } else if (act_cmd <= 2) { + /* Due to electronics limitations and the physics of the alternative waveform, it has no + meaning to turn "ON" below 3%. Consider it a OFF (0%) */ + act_cmd = 0; + } +} + +void ac_switch_on(uint32_t flags) +{ + gpio_clear(ac_ctrl); + gpio_clear(button_b2); +} + +static uint32_t clk_cycles_ac_zc = 0; +static volatile uint32_t zc_count = 0; /* Wraps every 1.36 year ... */ +void zero_cross(uint32_t gpio) +{ + uint32_t delay = 0; + + zc_count ++; + gpio_toggle(button_b1); + + /* If full ON, then do not use timer for delayed start */ + if (act_cmd == 100) { + gpio_clear(ac_ctrl); + gpio_clear(button_b2); + return; + } + + /* Start with command "off" */ + gpio_set(ac_ctrl); + gpio_set(button_b2); + /* Set timer to trigger ac out ON at given delay */ + delay = clk_cycles_ac_zc * (100 - act_cmd); + timer_set_match(LPC_TIMER_32B1, CHAN0, delay); + timer_restart(LPC_TIMER_32B1); +} + + + + + +/***************************************************************************** */ +/* Oled Display */ +#define DISPLAY_ADDR 0x78 +static uint8_t gddram[ 4 + GDDRAM_SIZE ]; +struct oled_display display = { + .address = DISPLAY_ADDR, + .bus_num = I2C0, + .video_mode = SSD130x_DISP_NORMAL, + .contrast = 128, + .scan_dir = SSD130x_SCAN_BOTTOM_TOP, + .read_dir = SSD130x_RIGHT_TO_LEFT, + .display_offset_dir = SSD130x_MOVE_TOP, + .display_offset = 4, + .gddram = gddram, +}; + +#define ROW(x) VERTICAL_REV(x) +DECLARE_FONT(font); + +void display_char(uint8_t line, uint8_t col, uint8_t c) +{ + uint8_t tile = (c > FIRST_FONT_CHAR) ? (c - FIRST_FONT_CHAR) : 0; + uint8_t* tile_data = (uint8_t*)(&font[tile]); + ssd130x_buffer_set_tile(gddram, col, line, tile_data); +} +#define OLED_LINE_CHAR_LENGTH (SSD130x_NB_COL / 8) +#define DISPLAY_LINE_LENGTH (OLED_LINE_CHAR_LENGTH + 1) +int display_line(uint8_t line, uint8_t col, char* text) +{ + int len = strlen((char*)text); + int i = 0; + + for (i = 0; i < len; i++) { + uint8_t tile = (text[i] > FIRST_FONT_CHAR) ? (text[i] - FIRST_FONT_CHAR) : 0; + uint8_t* tile_data = (uint8_t*)(&font[tile]); + ssd130x_buffer_set_tile(gddram, col++, line, tile_data); + if (col >= (OLED_LINE_CHAR_LENGTH)) { + col = 0; + line++; + if (line >= SSD130x_NB_PAGES) { + return i; + } + } + } + return len; +} + + +void menu_buttons(uint32_t gpio) +{ +} + + +/***************************************************************************** */ +void scialys_config(void) +{ + /* Immediatly turn off Mosfet */ + config_gpio(&ac_ctrl, 0, GPIO_DIR_OUT, 0); + /* Start with FAN ON */ + config_gpio(&fan_ctrl, 0, GPIO_DIR_OUT, 1); + + /* Thermocouple configuration */ + max31855_sensor_config(&thermo); + uprintf(UART0, "Thermocouple config done\n"); + + /* FIXME : DEBUG */ + config_gpio(&button_b1, 0, GPIO_DIR_OUT, 0); + config_gpio(&button_b2, 0, GPIO_DIR_OUT, 0); + + set_gpio_callback(menu_buttons, &button_b3, EDGE_FALLING); + set_gpio_callback(menu_buttons, &button_b4, EDGE_FALLING); + + /* Zero cross */ + set_gpio_callback(zero_cross, &zero_cross_in_pin, EDGE_FALLING); + + /* Start ADC sampling */ + adc_start_burst_conversion(ADC_MCH(0) | ADC_MCH(1) | ADC_MCH(2) | ADC_MCH(7), LPC_ADC_SEQ(0)); + + /* Configure Input GPIO */ + config_gpio(&ejp_in_pin, 0, GPIO_DIR_IN, 0); + config_gpio(&rtc_in_pin, 0, GPIO_DIR_IN, 0); + config_gpio(&charge_status_in_pin, 0, GPIO_DIR_IN, 1); + + /* WS2812B Leds on display board */ + ws2812_config(&ws2812_data_out_pin); + + /* AC Switch Config */ + timer_counter_config(LPC_TIMER_32B1, &ac_timer_conf); + /* We want 100 Hz (50 Hz but two zero crossings) with 1% granularity */ + clk_cycles_ac_zc = get_main_clock() / (100 * 100); + + status_led(green_only); + + /* Configure and start display */ + ssd130x_display_on(&display); + /* Erase screen */ + ssd130x_buffer_set(gddram, 0x00); + ssd130x_display_full_screen(&display); + + /* FIXME : DEBUG */ + add_systick_callback(zero_cross, 10); + + /* Add a systick callback to handle time counting */ + //add_systick_callback(handle_dec_request, DEC_PERIOD); + + msleep(50); +} + +/***************************************************************************** */ +#define NB_VAL 20 + +/***************************************************************************** */ +int main(void) +{ + uint16_t isnail_solar_values[NB_VAL]; + uint16_t isnail_home_values[NB_VAL]; + uint8_t idx = 0; + uint32_t loop = 0; + + system_init(); + status_led(red_only); + uart_on(UART0, 115200, config_rx); + i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER); + ssp_master_on(thermo.ssp_bus_num, LPC_SSP_FRAME_SPI, 8, 4*1000*1000); + adc_on(NULL); + timer_on(LPC_TIMER_32B1, 0, ac_switch_on); + + scialys_config(); + + while (1) { + static uint8_t command_val = 0; + int moyenne_solar = 0; + int moyenne_home = 0; + uint16_t isnail_val_solar = 0; + uint16_t isnail_val_home = 0; + uint16_t user_potar = 0; + int water_centi_degrees = 0; + + /* Always track power consumption and production */ + adc_get_value(&isnail_val_solar, LPC_ADC(1)); + adc_get_value(&isnail_val_home, LPC_ADC(0)); + adc_get_value(&user_potar, LPC_ADC(7)); + /* Convert to mA value */ + isnail_val_solar = ((isnail_val_solar * 32) * 2); /* 3.2mV / digit, 50mV -> 1A */ + isnail_val_home = ((isnail_val_home * 32) * 2); /* 3.2mV / digit, 50mV -> 1A */ + /* Store value */ + isnail_solar_values[idx] = isnail_val_solar; + isnail_home_values[idx++] = isnail_val_home; + if (idx == NB_VAL) { + idx = 0; + } + /* Compute average value when we sampled enough values */ + /* FIXME : Improve by substracting oldest value before storing new one in table and adding new one */ + if ((idx == 0) || (idx == (NB_VAL / 2))) { + int i = 0; + for (i = 0; i < NB_VAL; i++) { + moyenne_solar += isnail_solar_values[i]; + moyenne_home += isnail_home_values[i]; + } + moyenne_solar = moyenne_solar / NB_VAL; + moyenne_home = moyenne_home / NB_VAL; + } else { + /* Sleep for a litle more than a period (20ms at 50Hz) */ + msleep(23); + continue; + } + + /* Feed the dog */ + if ((moyenne_solar != 0) && (moyenne_home != 0)) { + watchdog_feed(); + } + + /* Get thermocouple value */ + if (1) { + int ret = 0; + ret = max31855_sensor_read(&thermo, NULL, &water_centi_degrees); + if (ret != 0) { + uprintf(UART0, "Water Temp read error : %d\n", ret); + } + } + + /* Set Control Output duty cycle */ + /* Debug Nath TMP */ + set_ctrl_duty_cycle( (user_potar - 5) / 10 ); + + /* Display */ + if (1) { + int abs_centi = water_centi_degrees; + + if (water_centi_degrees < 0) { + abs_centi = -water_centi_degrees; + } + + if (1) { + uprintf(UART0, "%d - Is: %d,%04d - Ih: %d,%04d\n", loop++, + (moyenne_solar / 1000), (moyenne_solar % 1000), + (moyenne_home / 1000), (moyenne_home % 1000)); + uprintf(UART0, "Temp : % 4d.%02d\n", (water_centi_degrees / 100), (abs_centi % 100)); + uprintf(UART0, "ADC: Sol: %dmA, Home: %dmA, User: %d\n", + isnail_val_solar, isnail_val_home, user_potar); + uprintf(UART0, "ZC_cnt: %d, user: %d\n", zc_count, user_potar / 10); + uprintf(UART0, "CMD: %d/%d, Fan: %d\n\n", command_val, act_cmd, fan_on); + } + + if (1) { + ws2812_set_pixel(0, (isnail_val_home / 2000), (isnail_val_solar / 2000), (fan_on * 20)); + ws2812_set_pixel(1, 0, 0, (user_potar >> 2)); + ws2812_send_frame(0); + } + + if (1) { + char line[DISPLAY_LINE_LENGTH]; + /* Erase screen (internal copy) */ + ssd130x_buffer_set(gddram, 0x00); + /* Display info */ + snprintf(line, DISPLAY_LINE_LENGTH, "Water:% 2d.%03d %cC", (water_centi_degrees / 100), (abs_centi % 100), 0x1F); + display_line(2, 0, line); + snprintf(line, DISPLAY_LINE_LENGTH, "Prod :% 2d,%03dA", (isnail_val_solar / 1000), ((isnail_val_solar % 1000) / 10)); + display_line(3, 0, line); + snprintf(line, DISPLAY_LINE_LENGTH, "Conso:% 2d,%03dA", (isnail_val_home / 1000), ((isnail_val_home % 1000) / 10)); + display_line(4, 0, line); + snprintf(line, DISPLAY_LINE_LENGTH, "Command: %d%%", act_cmd); + display_line(5, 0, line); + /* Update Oled display */ + ssd130x_display_full_screen(&display); + } + } + } + return 0; +} + + +