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Issue #28: Write temperture ramp command

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This commit is contained in:
Mario Hüttel 2021-03-20 01:02:33 +01:00
parent 5ab911b4b6
commit 60104df30e
1 changed files with 32 additions and 1 deletions
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33
stm-firmware/temp-profile-executer.c
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@ -115,9 +115,40 @@ static bool cmd_set_temp(struct pl_command *cmd, bool cmd_continue)
reactivate_pid_if_suspended();
oven_pid_set_target_temperature(cmd->params[0]);
state.setpoint = cmd->params[0];
return true;
}
static bool cmd_ramp(struct pl_command *cmd, bool cmd_continue)
{
static uint64_t start_timestamp;
static float start_temp;
static float slope;
float secs_passed;
bool ret = false;
if (!cmd_continue) {
/* Init of command */
start_temp = state.setpoint;
slope = (cmd->params[0] - start_temp) / cmd->params[1];
reactivate_pid_if_suspended();
oven_pid_set_target_temperature(start_temp);
start_timestamp = systick_get_global_tick();
} else {
secs_passed = ((float)(systick_get_global_tick() - start_timestamp)) / 1000.0f;
if ((state.setpoint <= cmd->params[0] && start_temp < cmd->params[0]) ||
(state.setpoint >= cmd->params[0] && start_temp > cmd->params[0])) {
state.setpoint = start_temp + secs_passed * slope;
} else {
state.setpoint = cmd->params[0];
ret = true;
}
oven_pid_set_target_temperature(state.setpoint);
}
return ret;
}
int temp_profile_executer_handle(void)
{
struct pl_command *current_cmd;
@ -171,7 +202,7 @@ int temp_profile_executer_handle(void)
pid_should_run = true;
break;
case PL_SET_RAMP:
advance = true;
advance = cmd_ramp(current_cmd, cmd_continue);
break;
default:
abort();