From: Nathael Pajani Date: Tue, 27 Sep 2016 22:00:26 +0000 (+0200) Subject: Support for beta version of Scialys module - initial commit X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=42f2fa8245d30492a1401e483d1323b54447766a;p=soft%2Flpc122x%2Fscialys Support for beta version of Scialys module - initial commit --- diff --git a/beta/Makefile b/beta/Makefile new file mode 100644 index 0000000..ed84b76 --- /dev/null +++ b/beta/Makefile @@ -0,0 +1,12 @@ +# Makefile for apps + +MODULE = $(shell basename $(shell cd .. && pwd && cd -)) +NAME = $(shell basename $(CURDIR)) + +.PHONY: $(NAME).bin +$(NAME).bin: + @make -C ../../.. --no-print-directory NAME=$(NAME) MODULE=$(MODULE) apps/$(MODULE)/$(NAME)/$@ + +clean mrproper: + @make -C ../../.. --no-print-directory $@ + diff --git a/beta/README b/beta/README new file mode 100644 index 0000000..97ca881 --- /dev/null +++ b/beta/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/beta/main.c b/beta/main.c new file mode 100644 index 0000000..b786d36 --- /dev/null +++ b/beta/main.c @@ -0,0 +1,521 @@ +/**************************************************************************** + * 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 "drivers/serial.h" +#include "drivers/gpio.h" +#include "drivers/adc.h" +#include "drivers/ssp.h" +#include "drivers/i2c.h" + +#include "extdrv/status_led.h" +#include "extdrv/ws2812.h" +#include "extdrv/max31855_thermocouple.h" +#include "extdrv/tmp101_temp_sensor.h" + +#define MODULE_VERSION 0x01 +#define MODULE_NAME "Scialys uC" + + +#define SELECTED_FREQ FREQ_SEL_48MHz + + +/***************************************************************************** */ +/* System configuration + * Most of the defines in here should go to configuration setting in user flash + */ + +/* Period of the decrementer handler from the systick interrupt */ +#define DEC_PERIOD 100 + +/* If temperature falls bellow FORCE_HEATER_TEMP value, we enter forced heater mode, until + * TARGET_FORCED_HEATER_TEMP is reached. + * When in forced heater mode, the heated is controlled to heat at FORCED_MODE_VALUE which + * is between 0 and 255. + */ +#define FORCE_HEATER_TEMP 25 +#define TARGET_FORCED_HEATER_TEMP 45 +#define NO_FORCED_HEATING_ON_SUNNY_DAYS 750 +#define FORCED_MODE_VALUE 190 /* A fraction of 255 */ +uint32_t forced_heater_mode = 0; +uint32_t forced_heater_delay = 0; +uint32_t forced_heater_time = 0; + +#define FORCED_HEATER_DELAY (7 * 3600 * 1000 / DEC_PERIOD) /* Delay before automatic forced heating */ +#define FORCED_HEATER_DURATION (3 * 3600 * 1000 / DEC_PERIOD) /* Duration of automatic forced heating */ + +#define MANUAL_ACTIVATION_DURATION (3600 * 1000 / DEC_PERIOD) /* One hour */ + +uint32_t never_force = 0; + + +#define DAY_IS_EJP 0 /* Input is pulled low when EJP is ON */ +int ejp_in = 0; + + + +/***************************************************************************** */ +/* 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 }, + /* TIMER_32B0 */ + { LPC_TIMER_32B0_M0_PIO_0_18, (LPC_IO_MODE_PULL_UP | LPC_IO_DIGITAL) }, /* Fan control */ + /* 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_5, LPC_IO_DIGITAL }, /* Temperature driver warning (Mosfet board only) */ + { LPC_GPIO_0_6, LPC_IO_DIGITAL }, /* Mosfet driver Shutdown (Mosfet board only) */ + { LPC_GPIO_0_7, LPC_IO_DIGITAL }, /* Mosfet / Triac 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_23, LPC_IO_DIGITAL }, /* WS2812B RGB Leds control */ + { LPC_GPIO_0_26, LPC_IO_DIGITAL }, /* User button B2 */ + { LPC_GPIO_0_27, 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_1_2; +const struct pio status_led_red = LPC_GPIO_1_3; + +/* Inputs */ +/* Buttons */ +const struct pio button_ok = LPC_GPIO_0_12; +const struct pio button_b1 = LPC_GPIO_0_27; +const struct pio button_b2 = LPC_GPIO_0_26; +/* 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 th_warn_in_pin = LPC_GPIO_0_5; +const struct pio charge_status_in_pin = LPC_GPIO_0_28; + +/* Thermocouple reading */ +const struct max31855_sensor_config thermo = { + .ssp_bus_num = 0, + .chip_select = LPC_GPIO_0_15, +}; + +/* TMP101 onboard I2C temperature sensor */ +#define TMP101_ADDR 0x94 /* Pin Addr0 (pin5 of tmp101) connected to VCC */ +struct tmp101_sensor_config tmp101_sensor = { + .bus_num = I2C0, + .addr = TMP101_ADDR, + .resolution = TMP_RES_ELEVEN_BITS, +}; + +/* Led control data pin */ +const struct pio ws2812_data_out_pin = LPC_GPIO_0_23; + + +/***************************************************************************** */ +/* 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 = 0x0FFFFFF, /* 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); +} + + +/***************************************************************************** */ +void config_rx(uint8_t c) +{ +} +void cmd_rx(uint8_t c) +{ +} + +void dmx_send_frame(uint8_t start_code, uint8_t* slots, uint16_t nb_slots) +{ +} + +enum buttons { + BUTTON_NONE = 0, + BUTTON_OK, + BUTTON_UP, + BUTTON_DOWN, +}; + +uint32_t manual_activation_request = 0; +uint8_t button_pressed = 0; +void manual_activation(uint32_t gpio) { + manual_activation_request = MANUAL_ACTIVATION_DURATION; + button_pressed = BUTTON_OK; +} +void manual_up(uint32_t gpio) { + manual_activation_request = MANUAL_ACTIVATION_DURATION; + button_pressed = BUTTON_UP; +} +void manual_down(uint32_t gpio) { + manual_activation_request = MANUAL_ACTIVATION_DURATION; + button_pressed = BUTTON_DOWN; +} +void handle_dec_request(uint32_t curent_tick) { + if (manual_activation_request > 0) { + manual_activation_request--; + } + if (forced_heater_mode == 1) { + if (forced_heater_delay > 0) { + forced_heater_delay--; + } + if (forced_heater_time > 0) { + forced_heater_time--; + } + } +} + + +void zero_cross(uint32_t gpio) { +} +void th_warning(uint32_t gpio) { +} + + +void temp_config(int uart_num) +{ + int ret = 0; + ret = tmp101_sensor_config(&tmp101_sensor); + if (ret != 0) { + uprintf(uart_num, "Temp config error: %d\n", ret); + } +} + + +#define NB_VAL 20 + + +enum modes { + heat = 'C', + ejp = 'E', + no_heat_prod = 'P', + forced = 'F', + temp_OK = 'T', + manual = 'M', + idle_heat = 'L', + full_heat = 'F', +}; + +/***************************************************************************** */ +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; + char mode = heat; /* Debug info */ + + system_init(); + status_led(red_only); + uart_on(UART0, 115200, config_rx); + uart_on(UART1, 115200, cmd_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); + + /* Thermocouple configuration */ + max31855_sensor_config(&thermo); + uprintf(UART0, "Thermocouple config done\n"); + + /* TMP101 sensor config */ + temp_config(UART0); + + /* Activate on Rising edge (button release) */ + set_gpio_callback(manual_activation, &button_ok, EDGE_RISING); + set_gpio_callback(manual_up, &button_b1, EDGE_RISING); + set_gpio_callback(manual_down, &button_b2, EDGE_RISING); + + /* Zero cross and alert pin */ + set_gpio_callback(zero_cross, &zero_cross_in_pin, EDGE_RISING); + set_gpio_callback(th_warning, &th_warn_in_pin, EDGE_RISING); + + /* 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); + + status_led(green_only); + + msleep(50); + /* Read parameters from memory */ + if (1) { + never_force = 0; + forced_heater_delay = FORCED_HEATER_DELAY; + forced_heater_time = FORCED_HEATER_DURATION; + } + + while (1) { + static uint8_t command_val = 0; + uint32_t moyenne_solar = 0; + uint32_t moyenne_home = 0; + uint16_t isnail_val_solar = 0; + uint16_t isnail_val_home = 0; + uint16_t acs_val_load = 0; + uint16_t user_potar = 0; + int water_centi_degrees = 0; + int tmp101_deci_degrees = 0; + + mode = heat; + tmp101_sensor_start_conversion(&tmp101_sensor); + /* 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(&acs_val_load, LPC_ADC(2)); + 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 removing 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 internal temperature */ + if (1) { + int ret = 0; + msleep(40); + ret = tmp101_sensor_read(&tmp101_sensor, NULL, &tmp101_deci_degrees); + if (ret != 0) { + uprintf(UART0, "TMP101 read error : %d\n", ret); + } + } + + /* 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); + } + } + if (water_centi_degrees < (FORCE_HEATER_TEMP * 100)) { + if (forced_heater_mode == 0) { + uprintf(UART0, "Entering forced mode\n"); + forced_heater_mode = 1; + } + status_led(red_on); + mode = forced; + } else if ((water_centi_degrees > (TARGET_FORCED_HEATER_TEMP * 100)) && (forced_heater_mode == 1)) { + status_led(red_off); + forced_heater_mode = 0; + command_val = 0; + uprintf(UART0, "Forced mode exit\n"); + mode = temp_OK; + } + + /* Do not force if there is some sun, it may be enough to heat again */ + if (moyenne_solar > NO_FORCED_HEATING_ON_SUNNY_DAYS) { + forced_heater_mode = 0; + mode = no_heat_prod; + forced_heater_delay = FORCED_HEATER_DELAY; + } + + /* Do not force heating if this is an EJP day */ + ejp_in = gpio_read(ejp_in_pin); + if (ejp_in == DAY_IS_EJP) { + forced_heater_mode = 0; + mode = ejp; + } + + if (never_force == 1) { + forced_heater_mode = 0; + } + + /* Did the user request a forced heating ? */ + if (manual_activation_request > 1) { + forced_heater_mode = 1; + mode = manual; + if (manual_activation_request == MANUAL_ACTIVATION_DURATION) { + uprintf(UART0, "Entering manual forced mode for %d ticks\n", manual_activation_request); + /* Add a systick callback to handle time counting */ + add_systick_callback(handle_dec_request, DEC_PERIOD); + } + if (manual_activation_request < 10) { + uprintf(UART0, "Leaving manual forced mode\n"); + manual_activation_request = 0; + remove_systick_callback(handle_dec_request); + } + } + + + /* Which is the current mode ? */ + if (forced_heater_mode == 1) { + /* Forced heating mode */ + if ((forced_heater_delay == 0) && (forced_heater_time > 0)) { + command_val = FORCED_MODE_VALUE; + } + if (forced_heater_time == 0) { + forced_heater_delay = FORCED_HEATER_DELAY; + forced_heater_time = FORCED_HEATER_DURATION; + } + } else if (moyenne_solar < moyenne_home) { + /* Low production mode */ + if (command_val > 25) { + command_val -= 25; + } else { + command_val = 0; + mode = idle_heat; + } + status_led(green_off); + } else { + /* High production mode */ + if (command_val < 245) { + command_val += 10; + } else { + command_val = 255; + mode = full_heat; + } + status_led(green_on); + } + + /* Send DMX frame */ + dmx_send_frame(0x00, 0, 1); + /* Display */ + if (1) { + int abs_centi = water_centi_degrees; + uprintf(UART0, "%c:%d - Is: %d,%04d - Ih: %d,%04d\n", mode, loop++, + (moyenne_solar / 1000), (moyenne_solar % 1000), + (moyenne_home / 1000), (moyenne_home % 1000)); + if (water_centi_degrees < 0) { + abs_centi = -water_centi_degrees; + } + uprintf(UART0, "Water Temp : % 4d.%02d\n", (water_centi_degrees / 100), (abs_centi % 100)); + if (tmp101_deci_degrees < 0) { + abs_centi = -tmp101_deci_degrees; + } else { + abs_centi = tmp101_deci_degrees; + } + uprintf(UART0, "Internal Temp : % 4d.%02d\n", (tmp101_deci_degrees / 10), (abs_centi % 10)); + uprintf(UART0, "ADC: Sol: %dmA, Home: %dmA, Load: %d, User: %d\n", + isnail_val_solar, isnail_val_home, acs_val_load, user_potar); + if (button_pressed != 0) { + uprintf(UART0, "Button : %d\n", button_pressed); + button_pressed = 0; + } + uprintf(UART0, "CMD: %d\n\n", 0); + ws2812_set_pixel(0, (isnail_val_home / 100), (isnail_val_solar / 100), 0); + ws2812_set_pixel(1, (acs_val_load >> 2), 0, (user_potar >> 2)); + ws2812_send_frame(0); + } + } + return 0; +} + + +