mhu/reflow-oven-control-sw
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Further rewrite safety handling

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This commit is contained in:
Mario Hüttel
2020-07-09 22:31:42 +02:00
parent 5eb51f08b6
commit 9136dc196c
11 changed files with 209 additions and 318 deletions
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50
stm-firmware/main.c
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@@ -41,9 +41,9 @@
#include <stm-periph/uart.h>
#include <reflow-controller/shell-uart-config.h>
#include <reflow-controller/oven-driver.h>
#include <reflow-controller/safety/safety-adc.h>
#include <fatfs/ff.h>
#include <reflow-controller/reflow-menu.h>
#include <reflow-controller/safety/safety-controller.h>
bool global_error_state;
@@ -154,12 +154,14 @@ static inline void setup_system(void)
led_setup();
loudspeaker_setup();
reflow_menu_init();
safety_adc_init();
uart_gpio_config();
setup_shell_uart(&shell_uart);
setup_unused_pins();
}
static void handle_shell_uart_input(shellmatta_handle_t shell_handle)
@@ -188,39 +190,12 @@ static void zero_ccm_ram(void)
ptr[i] = 0UL;
}
/**
* @brief This function sets the appropriate error flags in the oven PID controller
* depending on the Safety ADC measurements.
* The PID controller's error flags have to be cleared via the GUI by either starting a new RUN or explicitly
* ack'ing these errors.
*/
static void propagate_safety_adc_error_to_oven_pid(void)
{
enum safety_adc_check_result safety_adc_result;
safety_adc_result = safety_adc_get_errors();
if (safety_adc_result & SAFETY_ADC_CHECK_TEMP_LOW ||
safety_adc_result & SAFETY_ADC_CHECK_TEMP_HIGH)
oven_pid_report_error(OVEN_PID_ERR_OVERTEMP);
if (safety_adc_result & SAFETY_ADC_CHECK_VREF_LOW ||
safety_adc_result & SAFETY_ADC_CHECK_VREF_HIGH)
oven_pid_report_error(OVEN_PID_ERR_VREF_TOL);
if (safety_adc_result & SAFETY_ADC_INTERNAL_ERROR)
oven_pid_report_error(0);
}
int main(void)
{
bool sd_card_mounted = false;
shellmatta_handle_t shell_handle;
int menu_wait_request;
uint64_t quarter_sec_timestamp = 0ULL;
const struct oven_pid_status *pid_status;
enum adc_pt1000_error pt1000_status;
zero_ccm_ram();
setup_system();
@@ -232,31 +207,20 @@ int main(void)
while (1) {
sd_card_mounted = mount_sd_card_if_avail(sd_card_mounted);
pid_status = oven_pid_get_status();
if (systick_ticks_have_passed(quarter_sec_timestamp, 250)) {
quarter_sec_timestamp = systick_get_global_tick();
(void)handle_safety_adc();
propagate_safety_adc_error_to_oven_pid();
if (global_error_state)
if (0)
led_set(0, !led_get(0));
else
led_set(0, 0);
}
pt1000_status = adc_pt1000_check_error();
global_error_state = pid_status->error_set || !!safety_adc_get_errors() || !!pt1000_status;
menu_wait_request = reflow_menu_handle();
/* Deactivate oven output in case of error! */
if (!pid_status->active || global_error_state)
oven_driver_set_power(0U);
handle_shell_uart_input(shell_handle);
oven_driver_apply_power_level();
if (menu_wait_request)
__WFI();
else