178 lines
5.0 KiB
C
178 lines
5.0 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file main.c
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* @brief Main file for firmware
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*/
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#include <stdlib.h>
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#include <string.h>
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/* #include <arm_math.h> */
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#include <stm32/stm32f4xx.h>
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#include <cmsis/core_cm4.h>
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#include <setup/system_stm32f4xx.h>
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#include <reflow-controller/systick.h>
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#include <reflow-controller/adc-meas.h>
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#include <reflow-controller/shell.h>
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#include <reflow-controller/pid-controller.h>
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#include <reflow-controller/digio.h>
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#include <reflow-controller/temp-converter.h>
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#include <reflow-controller/rotary-encoder.h>
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#include <stm-periph/stm32-gpio-macros.h>
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#include <stm-periph/clock-enable-manager.h>
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#include <stm-periph/uart.h>
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#include <reflow-controller/shell-uart-config.h>
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#include <helper-macros/helper-macros.h>
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#include <fatfs/ff.h>
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static void setup_nvic_priorities()
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{
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/* No sub priorities */
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NVIC_SetPriorityGrouping(2);
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/* Setup Priorities */
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NVIC_SetPriority(ADC_IRQn, 2);
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NVIC_SetPriority(DMA2_Stream0_IRQn, 1);
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NVIC_SetPriority(DMA2_Stream7_IRQn, 3);
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}
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static float pt1000_value;
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static volatile int pt1000_value_status;
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static uint32_t rot;
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static volatile float pid_out;
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static volatile float current_temperature;
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static inline void uart_gpio_config()
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{
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#ifdef DEBUGBUILD
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rcc_manager_enable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(SHELL_UART_PORT_RCC_MASK));
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SHELL_UART_PORT->MODER &= MODER_DELETE(SHELL_UART_TX_PIN) & MODER_DELETE(SHELL_UART_RX_PIN);
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SHELL_UART_PORT->MODER |= ALTFUNC(SHELL_UART_RX_PIN) | ALTFUNC(SHELL_UART_TX_PIN);
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SETAF(SHELL_UART_PORT, SHELL_UART_RX_PIN, SHELL_UART_RX_PIN_ALTFUNC);
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SETAF(SHELL_UART_PORT, SHELL_UART_TX_PIN, SHELL_UART_TX_PIN_ALTFUNC);
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#endif
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}
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static char shell_uart_tx_buff[128];
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static char shell_uart_rx_buff[32];
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struct stm_uart shell_uart;
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static shellmatta_retCode_t write_shell_callback(const char *data, uint32_t len)
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{
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uart_send_array_with_dma(&shell_uart, data, len);
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return SHELLMATTA_OK;
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}
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static inline void setup_sell_uart(struct stm_uart *uart)
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{
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uart->rx = 1;
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uart->tx = 1;
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uart->brr_val = SHELL_UART_BRR_REG_VALUE;
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uart->rcc_reg = &SHELL_UART_RCC_REG;
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uart->rcc_bit_no = BITMASK_TO_BITNO(SHELL_UART_RCC_MASK);
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uart->uart_dev = SHELL_UART_PERIPH;
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uart->dma_rx_buff = shell_uart_rx_buff;
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uart->dma_tx_buff = shell_uart_tx_buff;
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uart->rx_buff_count = sizeof(shell_uart_rx_buff);
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uart->tx_buff_count = sizeof(shell_uart_tx_buff);
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uart->base_dma_num = 2;
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uart->dma_rx_stream = SHELL_UART_RECEIVE_DMA_STREAM;
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uart->dma_tx_stream = SHELL_UART_SEND_DMA_STREAM;
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uart->dma_rx_trigger_channel = SHELL_UART_RX_DMA_TRIGGER;
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uart->dma_tx_trigger_channel = SHELL_UART_TX_DMA_TRIGGER;
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uart_init(uart);
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NVIC_EnableIRQ(DMA2_Stream7_IRQn);
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}
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const char *oven_controller_hello_world = "Hello world :)\n";
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int main()
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{
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FATFS fs;
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FIL test_file;
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const char *uart_input;
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size_t uart_input_len;
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shellmatta_handle_t shell_handle;
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int uart_receive_status;
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static struct pid_controller pid;
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uint64_t pid_timestamp = 0;
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setup_nvic_priorities();
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systick_setup();
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adc_pt1000_setup_meas();
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digio_setup_default_all();
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led_setup();
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loudspeaker_setup();
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rotary_encoder_setup();
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uart_gpio_config();
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setup_sell_uart(&shell_uart);
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shell_handle = shell_init(write_shell_callback);
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if (f_mount(&fs, "0:/", 1) == FR_OK) {
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f_open(&test_file, "hello-world.txt", FA_OPEN_APPEND | FA_WRITE);
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f_write(&test_file, oven_controller_hello_world, strlen(oven_controller_hello_world), NULL);
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f_close(&test_file);
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}
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pid_init(&pid, 0.1, 0.1, 4.0, 0.0, 100.0, 40.0);
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pid_zero(&pid);
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while (1) {
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pt1000_value_status = adc_pt1000_get_current_resistance(&pt1000_value);
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if (pt1000_value_status >= 0) {
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(void)temp_converter_convert_resistance_to_temp(pt1000_value, (float *)¤t_temperature);
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if ((systick_get_global_tick() - pid_timestamp) >= 250) {
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pid_out = pid_sample(&pid, 100.0 - current_temperature);
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pid_timestamp = systick_get_global_tick();
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}
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}
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rot = rotary_encoder_get_abs_val();
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uart_receive_status = uart_receive_data_with_dma(&shell_uart, &uart_input, &uart_input_len);
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if (uart_receive_status >= 1)
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shell_handle_input(shell_handle, uart_input, uart_input_len);
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}
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}
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void sdio_wait_ms(uint32_t ms)
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{
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systick_wait_ms(ms);
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}
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void DMA2_Stream7_IRQHandler()
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{
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uint32_t hisr = DMA2->HISR;
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DMA2->HIFCR = hisr;
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if (hisr & DMA_HISR_TCIF7) {
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uart_tx_dma_complete_int_callback(&shell_uart);
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}
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}
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