drv_api.c

来自「最新版IAR FOR ARM（EWARM）5.11中的代码例子」· C语言 代码 · 共 568 行 · 第 1/2 页

    case DRVNO_CAP:
        rtnVal = smpDrv_CloseFtm_Cap();
        break;
    default :
        rtnVal = DRV_PARAM_ERROR;
        break;
    }

    if (rtnVal == DRV_OK) {
        smpDrv_manageStateMachine(drv_no, DRVEVENT_CLOSE, handle);
    }

    return rtnVal;
}

/************************************************************************/
/*                                                                      */
/*  Function Name   : smpDrv_read                                       */
/*  Input           : drv_no Device drivers number.                     */
/*                    size  .                                           */
/*                    buff.                                             */
/*  Output          : int16_t DRV_OK(1)                                 */
/*                            DRV_PARAM_ERROR(-2)                       */
/*                                                                      */
/*  Note : Read data from register to buffer.                           */
/*                                                                      */
/************************************************************************/
int16_t smpDrv_read(uint16_t drv_no, int8_t *buff, uint16_t size, int16_t handle)
{
    int16_t rtnVal = DRV_OK;

    rtnVal = smpDrv_manageStateMachine(drv_no, DRVEVENT_READ, handle);

    if(rtnVal == DRV_OK) {
        switch (drv_no) {
        case DRVNO_INTFIQ:
        case DRVNO_INTEXINT:
            rtnVal = DRV_OK;
            break;
        case DRVNO_TIMER:
            rtnVal = DRV_OK;
            break;
        case DRVNO_SIO:
            rtnVal = smpDrv_ReadSIO(buff, size);
            break;
        case DRVNO_DMAC:
            break;
        case DRVNO_PIO:
            break;
        case DRVNO_UART:
            rtnVal = smpDrv_ReadUART(buff, size);
            break;
        case DRVNO_PM:
            break;
        case DRVNO_XBUS:
            rtnVal = DRV_OK;
            break;
        case DRVNO_REMAP:
            break;
        case DRVNO_ICCC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_LCDC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_WDT:
            break;
        case DRVNO_ADC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_I2C:
            rtnVal = smpDrv_ReadI2C((uint8_t *)buff, size);
            break;
        case DRVNO_RTC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_SPI:
            break;
        case DRVNO_ART:
            break;
        case DRVNO_PWM:
            break;
        case DRVNO_CAP:
            break;
        default :
            rtnVal = DRV_PARAM_ERROR;
            break;
        }
    }

    return rtnVal;
}

/************************************************************************/
/*                                                                      */
/*  Function Name   : smpDrv_write                                      */
/*  Input           : drv_no Device drivers number.                     */
/*                    size  .                                           */
/*                    buff.                                             */
/*  Output          : int16_t DRV_OK(1)                                 */
/*                            DRV_PARAM_ERROR(-2)                       */
/*                                                                      */
/*  Note : Copy data from buffer to register.                           */
/*                                                                      */
/************************************************************************/
int16_t smpDrv_write(uint16_t drv_no, int8_t *buff, uint16_t size, int16_t handle)
{
    int16_t rtnVal = DRV_OK;

    rtnVal = smpDrv_manageStateMachine(drv_no, DRVEVENT_WRITE, handle);

    if(rtnVal == DRV_OK) {
        switch (drv_no) {
        case DRVNO_INTFIQ:
        case DRVNO_INTEXINT:
            rtnVal = DRV_OK;
            break;
        case DRVNO_TIMER:
            rtnVal = DRV_OK;
            break;
        case DRVNO_SIO:
            rtnVal = smpDrv_WriteSIO(buff, size);
            break;
        case DRVNO_DMAC:
            break;
        case DRVNO_PIO:
            break;
        case DRVNO_UART:
            rtnVal = smpDrv_WriteUART(buff, size);
            break;
        case DRVNO_PM:
            break;
        case DRVNO_XBUS:
            rtnVal = DRV_OK;
            break;
        case DRVNO_REMAP:
            break;
        case DRVNO_ICCC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_LCDC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_WDT:
            break;
        case DRVNO_ADC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_I2C:
            rtnVal = smpDrv_WriteI2C((uint8_t *)buff, size);
            break;
        case DRVNO_RTC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_SPI:
            break;
        case DRVNO_ART:
            break;
        case DRVNO_PWM:
            break;
        case DRVNO_CAP:
            break;
        default :
            rtnVal = DRV_PARAM_ERROR;
            break;
        }
    }

    return rtnVal;
}

/************************************************************************/
/*                                                                      */
/*  Function Name   : smpDrv_ioctl                                      */
/*  Input           : drv_no Device drivers number.                     */
/*                    cmd  .                                            */
/*                    arg .                                             */
/*  Output          : int16_t DRV_OK(1)                                 */
/*                            DRV_PARAM_ERROR(-2)                       */
/*                                                                      */
/*  Note : Control HAL directly.                                        */
/*                                                                      */
/************************************************************************/
int16_t smpDrv_ioctl(uint16_t drv_no, uint16_t cmd, uint32_t arg, int16_t handle)
{
    int16_t rtnVal = DRV_OK;

    rtnVal = smpDrv_manageStateMachine(drv_no, DRVEVENT_IOCTL, handle);

    if(rtnVal == DRV_OK) {
        switch (drv_no) {
        case DRVNO_TIMER:
            rtnVal = smpDrv_IoctlTimer(cmd, arg);
            break;
        case DRVNO_SIO:
            break;
        case DRVNO_DMAC:
            rtnVal = smpDrv_IoctlDmac(cmd, arg);
            break;
        case DRVNO_PIO:
            break;
        case DRVNO_UART:
            break;
        case DRVNO_PM:
            rtnVal = smpDrv_IoctlPM(cmd, arg);
            break;
        case DRVNO_XBUS:
            rtnVal = DRV_OK;
            break;
        case DRVNO_REMAP:
            rtnVal = smpDrv_IoctlRemap(cmd, arg);
            break;
        case DRVNO_ICCC:
            rtnVal = DRV_OK;
            break;
        case DRVNO_LCDC:
            rtnVal = smpDrv_IoctlLcdc(cmd, arg);
            break;
        case DRVNO_WDT:
            break;
        case DRVNO_ADC:
            rtnVal = smpDrv_IoctlAdc(cmd, arg);
            break;
        case DRVNO_I2C:
            break;
        case DRVNO_RTC:
            rtnVal = smpDrv_IoctlRtc(cmd, arg);
            break;
        case DRVNO_SPI:
            rtnVal = smpDrv_IoctlSpi(cmd, arg);
            break;
        case DRVNO_ART:
            rtnVal = smpDrv_IoctlFtm_Art(cmd, arg);
            break;
        case DRVNO_PWM:
            rtnVal = smpDrv_IoctlFtm_Pwm(cmd, arg);
            break;
        case DRVNO_CAP:
            rtnVal = smpDrv_IoctlFtm_Cap(cmd, arg);
            break;
        default :
            rtnVal = DRV_PARAM_ERROR;
            break;
        }
    }

    return rtnVal;
}

/************************************************************************/
/*                                                                      */
/*  Function Name   : smpDrv_poll                                       */
/*  Input           : drv_no Device drivers number.                     */
/*                    cmd  .                                            */
/*                    count .                                           */
/*  Output          : int16_t DRV_OK(1)                                 */
/*                            DRV_PARAM_ERROR(-2)                       */
/*                                                                      */
/*  Note : None.                                                        */
/*                                                                      */
/************************************************************************/
int16_t smpDrv_poll(uint16_t drv_no, uint16_t cmd, uint16_t count, int16_t handle)
{
    int16_t rtnVal = DRV_OK;

    rtnVal = smpDrv_manageStateMachine(drv_no, DRVEVENT_POLL, handle);

    if(rtnVal == DRV_OK) {
        switch (drv_no) {
        case DRVNO_TIMER:
            smpDrv_PollTimer(cmd, count);
            break;
        case DRVNO_PWM:
            smpDrv_PollFtm_Pwm(cmd, count);
            break;
        default :
            rtnVal = DRV_PARAM_ERROR;
            break;
        }
    }

    return rtnVal;
}