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gex-core/units/simple_pwm/unit_pwmdim.c

70 lines
1.7 KiB

7 years ago
//
// Created by MightyPork on 2017/11/25.
//
#include "unit_base.h"
#include "unit_pwmdim.h"
#define PWMDIM_INTERNAL
#include "_pwmdim_internal.h"
// ------------------------------------------------------------------------
enum PwmSimpleCmd_ {
CMD_SET_FREQUENCY = 0,
CMD_SET_DUTY = 1,
CMD_STOP = 2,
CMD_START = 3,
};
/** Handle a request message */
static error_t UPWMDIM_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
{
struct priv *priv = unit->data;
switch (command) {
case CMD_SET_FREQUENCY:
TRY(UPWMDIM_SetFreq(unit, pp_u32(pp)));
return E_SUCCESS;
case CMD_SET_DUTY:
for (; pp_length(pp) > 0;) {
uint8_t ch = pp_u8(pp);
uint16_t duty = pp_u16(pp);
TRY(UPWMDIM_SetDuty(unit, ch, duty));
}
return E_SUCCESS;
case CMD_STOP:
LL_TIM_DisableCounter(priv->TIMx);
LL_TIM_SetCounter(priv->TIMx, 0);
return E_SUCCESS;
case CMD_START:
LL_TIM_EnableCounter(priv->TIMx);
return E_SUCCESS;
default:
return E_UNKNOWN_COMMAND;
}
}
// ------------------------------------------------------------------------
/** Simple PWM dimming output */
const UnitDriver UNIT_PWMDIM = {
.name = "PWMDIM",
.description = "Simple PWM output",
// Settings
.preInit = UPWMDIM_preInit,
.cfgLoadBinary = UPWMDIM_loadBinary,
.cfgWriteBinary = UPWMDIM_writeBinary,
.cfgLoadIni = UPWMDIM_loadIni,
.cfgWriteIni = UPWMDIM_writeIni,
// Init
.init = UPWMDIM_init,
.deInit = UPWMDIM_deInit,
// Function
.handleRequest = UPWMDIM_handleRequest,
};