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gex-core/units/sipo/unit_sipo.c

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//
// Created by MightyPork on 2017/11/25.
//
#include "unit_base.h"
#include "unit_sipo.h"
#define SIPO_INTERNAL
#include "_sipo_internal.h"
// ------------------------------------------------------------------------
enum SipoCmd_ {
CMD_WRITE = 0,
CMD_DIRECT_DATA = 1,
CMD_DIRECT_SHIFT = 2,
CMD_DIRECT_CLEAR = 3,
CMD_DIRECT_STORE = 4,
};
/** Handle a request message */
static error_t USIPO_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, PayloadParser *pp)
{
switch (command) {
case CMD_WRITE:
{
uint32_t len;
uint16_t terminal_packed = pp_u16(pp);
const uint8_t *tail = pp_tail(pp, &len);
TRY(UU_SIPO_Write(unit, (uint8_t *) tail, (uint16_t) len, terminal_packed));
}
return E_SUCCESS;
case CMD_DIRECT_DATA:
TRY(UU_SIPO_DirectData(unit, pp_u16(pp)));
return E_SUCCESS;
case CMD_DIRECT_CLEAR:
TRY(UU_SIPO_DirectClear(unit));
return E_SUCCESS;
case CMD_DIRECT_SHIFT:
TRY(UU_SIPO_DirectShift(unit));
return E_SUCCESS;
case CMD_DIRECT_STORE:
TRY(UU_SIPO_DirectStore(unit));
return E_SUCCESS;
default:
return E_UNKNOWN_COMMAND;
}
}
// ------------------------------------------------------------------------
/** Unit template */
const UnitDriver UNIT_SIPO = {
.name = "SIPO",
.description = "Shift register driver (595, 4094)",
// Settings
.preInit = USIPO_preInit,
.cfgLoadBinary = USIPO_loadBinary,
.cfgWriteBinary = USIPO_writeBinary,
.cfgLoadIni = USIPO_loadIni,
.cfgWriteIni = USIPO_writeIni,
// Init
.init = USIPO_init,
.deInit = USIPO_deInit,
// Function
.handleRequest = USIPO_handleRequest,
};