/**
* @brief Fill an area with a color.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] color The color of the fill
*
* @notapi
*/
void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
uint32_t area;
area = cx*cy;
GDISP_LLD(setwindow)(x, y, x+cx-1, y+cy-1);
GDISP_LLD(writestreamstart)();
#if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
uint8_t i;
dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);
dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
for (i = area/65535; i; i--) {
dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
dmaStreamEnable(GDISP_DMA_STREAM);
dmaWaitCompletion(GDISP_DMA_STREAM);
}
dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
dmaStreamEnable(GDISP_DMA_STREAM);
dmaWaitCompletion(GDISP_DMA_STREAM);
#else
uint32_t index;
for(index = 0; index < area; index++)
GDISP_LLD(writedata)(color);
#endif //#ifdef GDISP_USE_DMA
}
/**
* @brief Fill an area with a color.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] color The color of the fill
*
* @notapi
*/
void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
uint32_t area;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
area = cx*cy;
gdisp_lld_setwindow(x, y, x+cx-1, y+cy-1);
write_index(RA8875_WRITE_MEMORY_START);
#if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
uint8_t i;
dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);
dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
for (i = area/65535; i; i--) {
dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
dmaStreamEnable(GDISP_DMA_STREAM);
dmaWaitCompletion(GDISP_DMA_STREAM);
}
dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
dmaStreamEnable(GDISP_DMA_STREAM);
dmaWaitCompletion(GDISP_DMA_STREAM);
#else
uint32_t index;
for(index = 0; index < area; index++)
write_data(color);
#endif //#ifdef GDISP_USE_DMA
}
/**
* @brief Wait end of data transaction and performs finalizations.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @param[in] n number of blocks in transaction
* @param[in] resp pointer to the response buffer
*
* @return The operation status.
* @retval HAL_SUCCESS operation succeeded.
* @retval HAL_FAILED operation failed.
*/
static bool sdc_lld_wait_transaction_end(SDCDriver *sdcp, uint32_t n,
uint32_t *resp) {
/* Note the mask is checked before going to sleep because the interrupt
may have occurred before reaching the critical zone.*/
osalSysLock();
if (sdcp->sdmmc->MASK != 0)
osalThreadSuspendS(&sdcp->thread);
if ((sdcp->sdmmc->STA & SDMMC_STA_DATAEND) == 0) {
osalSysUnlock();
return HAL_FAILED;
}
/* Waits for transfer completion at DMA level, then the stream is
disabled and cleared.*/
dmaWaitCompletion(sdcp->dma);
sdcp->sdmmc->ICR = SDMMC_ICR_ALL_FLAGS;
sdcp->sdmmc->DCTRL = 0;
osalSysUnlock();
/* Finalize transaction.*/
if (n > 1)
return sdc_lld_send_cmd_short_crc(sdcp, MMCSD_CMD_STOP_TRANSMISSION, 0, resp);
return HAL_SUCCESS;
}
/**
* @brief Fill an area with a bitmap.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] srcx, srcy The bitmap position to start the fill from
* @param[in] srccx The width of a line in the bitmap.
* @param[in] buffer The pixels to use to fill the area.
*
* @notapi
*/
void GDISP_LLD(blitareaex)(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
if (srcx+cx > srccx) cx = srccx - srcx;
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
GDISP_LLD(setwindow)(x, y, x+cx-1, y+cy-1);
GDISP_LLD(writestreamstart)();
buffer += srcx + srcy * srccx;
#if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
uint32_t area = cx*cy;
uint8_t i;
dmaStreamSetPeripheral(GDISP_DMA_STREAM, buffer);
dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PINC | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
for (i = area/65535; i; i--) {
dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
dmaStreamEnable(GDISP_DMA_STREAM);
dmaWaitCompletion(GDISP_DMA_STREAM);
}
dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
dmaStreamEnable(GDISP_DMA_STREAM);
dmaWaitCompletion(GDISP_DMA_STREAM);
#else
coord_t endx, endy;
unsigned lg;
endx = srcx + cx;
endy = y + cy;
lg = srccx - cx;
for(; y < endy; y++, buffer += lg)
for(x=srcx; x < endx; x++)
GDISP_LLD(writedata)(*buffer++);
#endif //#ifdef GDISP_USE_DMA
}
/**
* @brief Wait end of data transaction and performs finalizations.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @param[in] n number of blocks in transaction
* @param[in] resp pointer to the response buffer
*
* @return The operation status.
* @retval CH_SUCCESS operation succeeded.
* @retval CH_FAILED operation failed.
*/
static bool_t sdc_lld_wait_transaction_end(SDCDriver *sdcp, uint32_t n,
uint32_t *resp) {
/* Note the mask is checked before going to sleep because the interrupt
may have occurred before reaching the critical zone.*/
chSysLock();
if (SDIO->MASK != 0) {
chDbgAssert(sdcp->thread == NULL,
"sdc_lld_start_data_transaction(), #1", "not NULL");
sdcp->thread = chThdSelf();
chSchGoSleepS(THD_STATE_SUSPENDED);
chDbgAssert(sdcp->thread == NULL,
"sdc_lld_start_data_transaction(), #2", "not NULL");
}
if ((SDIO->STA & SDIO_STA_DATAEND) == 0) {
chSysUnlock();
return CH_FAILED;
}
#if (defined(STM32F4XX) || defined(STM32F2XX))
/* Wait until DMA channel enabled to be sure that all data transferred.*/
while (sdcp->dma->stream->CR & STM32_DMA_CR_EN)
;
/* DMA event flags must be manually cleared.*/
dmaStreamClearInterrupt(sdcp->dma);
SDIO->ICR = STM32_SDIO_ICR_ALL_FLAGS;
SDIO->DCTRL = 0;
chSysUnlock();
/* Wait until interrupt flags to be cleared.*/
/*while (((DMA2->LISR) >> (sdcp->dma->ishift)) & STM32_DMA_ISR_TCIF)
dmaStreamClearInterrupt(sdcp->dma);*/
#else
/* Waits for transfer completion at DMA level, the the stream is
disabled and cleared.*/
dmaWaitCompletion(sdcp->dma);
SDIO->ICR = STM32_SDIO_ICR_ALL_FLAGS;
SDIO->DCTRL = 0;
chSysUnlock();
#endif
/* Finalize transaction.*/
if (n > 1)
return sdc_lld_send_cmd_short_crc(sdcp, MMCSD_CMD_STOP_TRANSMISSION, 0, resp);
return CH_SUCCESS;
}
/**
* @brief Wait end of data transaction and performs finalizations.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @param[in] n number of blocks in transaction
* @param[in] resp pointer to the response buffer
*
* @return The operation status.
* @retval HAL_SUCCESS operation succeeded.
* @retval HAL_FAILED operation failed.
*/
static bool sdc_lld_wait_transaction_end(SDCDriver *sdcp, uint32_t n,
uint32_t *resp) {
/* Note the mask is checked before going to sleep because the interrupt
may have occurred before reaching the critical zone.*/
osalSysLock();
if (sdcp->sdio->MASK != 0)
osalThreadSuspendS(&sdcp->thread);
if ((sdcp->sdio->STA & SDIO_STA_DATAEND) == 0) {
osalSysUnlock();
return HAL_FAILED;
}
#if (defined(STM32F4XX) || defined(STM32F2XX))
/* Wait until DMA channel enabled to be sure that all data transferred.*/
while (sdcp->dma->stream->CR & STM32_DMA_CR_EN)
;
/* DMA event flags must be manually cleared.*/
dmaStreamClearInterrupt(sdcp->dma);
sdcp->sdio->ICR = STM32_SDIO_ICR_ALL_FLAGS;
sdcp->sdio->DCTRL = 0;
osalSysUnlock();
/* Wait until interrupt flags to be cleared.*/
/*while (((DMA2->LISR) >> (sdcp->dma->ishift)) & STM32_DMA_ISR_TCIF)
dmaStreamClearInterrupt(sdcp->dma);*/
#else
/* Waits for transfer completion at DMA level, then the stream is
disabled and cleared.*/
dmaWaitCompletion(sdcp->dma);
sdcp->sdio->ICR = STM32_SDIO_ICR_ALL_FLAGS;
sdcp->sdio->DCTRL = 0;
osalSysUnlock();
#endif
/* Finalize transaction.*/
if (n > 1)
return sdc_lld_send_cmd_short_crc(sdcp, MMCSD_CMD_STOP_TRANSMISSION, 0, resp);
return HAL_SUCCESS;
}
/*
* Application entry point.
*/
int main(void) {
unsigned i;
static uint8_t patterns1[4096], patterns2[4096], buf1[4096], buf2[4096];
/* System initializations.
- HAL initialization, this also initializes the configured device drivers
and performs the board-specific initializations.
- Kernel initialization, the main() function becomes a thread and the
RTOS is active.*/
halInit();
chSysInit();
/* Creates the blinker thread.*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO + 10,
Thread1, NULL);
/* Activates the ADC1 driver and the temperature sensor.*/
adcStart(&ADCD1, NULL);
adcSTM32EnableTSVREFE();
/* Starts an ADC continuous conversion and its watchdog virtual timer.*/
chVTSet(&adcvt, MS2ST(10), tmo, (void *)"ADC timeout");
adcStartConversion(&ADCD1, &adcgrpcfg2, samples2, ADC_GRP2_BUF_DEPTH);
/* Activating SPI drivers.*/
spiStart(&SPID1, &hs_spicfg);
spiStart(&SPID2, &hs_spicfg);
spiStart(&SPID3, &hs_spicfg);
/* Starting SPI threads instances.*/
chThdCreateStatic(waSPI1, sizeof(waSPI1), NORMALPRIO + 1, spi_thread, &SPID1);
chThdCreateStatic(waSPI2, sizeof(waSPI2), NORMALPRIO + 1, spi_thread, &SPID2);
chThdCreateStatic(waSPI3, sizeof(waSPI3), NORMALPRIO + 1, spi_thread, &SPID3);
/* Allocating two DMA2 streams for memory copy operations.*/
if (dmaStreamAllocate(STM32_DMA2_STREAM6, 0, NULL, NULL))
chSysHalt("DMA already in use");
if (dmaStreamAllocate(STM32_DMA2_STREAM7, 0, NULL, NULL))
chSysHalt("DMA already in use");
for (i = 0; i < sizeof (patterns1); i++)
patterns1[i] = (uint8_t)i;
for (i = 0; i < sizeof (patterns2); i++)
patterns2[i] = (uint8_t)(i ^ 0xAA);
/* Normal main() thread activity, it does continues memory copy operations
using 2 DMA streams at the lowest priority.*/
while (true) {
virtual_timer_t vt;
chVTObjectInit(&vt);
/* Starts a VT working as watchdog to catch a malfunction in the DMA
driver.*/
chVTSet(&vt, MS2ST(10), tmo, (void *)"copy timeout");
/* Copy pattern 1.*/
dmaStartMemCopy(STM32_DMA2_STREAM6,
STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_BYTE |
STM32_DMA_CR_MSIZE_BYTE,
patterns1, buf1, sizeof (patterns1));
dmaStartMemCopy(STM32_DMA2_STREAM7,
STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_BYTE |
STM32_DMA_CR_MSIZE_BYTE,
patterns1, buf2, sizeof (patterns1));
dmaWaitCompletion(STM32_DMA2_STREAM6);
dmaWaitCompletion(STM32_DMA2_STREAM7);
if (memcmp(patterns1, buf1, sizeof (patterns1)))
chSysHalt("pattern error");
if (memcmp(patterns1, buf2, sizeof (patterns1)))
chSysHalt("pattern error");
/* Copy pattern 2.*/
dmaStartMemCopy(STM32_DMA2_STREAM6,
STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_BYTE |
STM32_DMA_CR_MSIZE_BYTE,
patterns2, buf1, sizeof (patterns2));
dmaStartMemCopy(STM32_DMA2_STREAM7,
STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_BYTE |
STM32_DMA_CR_MSIZE_BYTE,
patterns2, buf2, sizeof (patterns2));
dmaWaitCompletion(STM32_DMA2_STREAM6);
dmaWaitCompletion(STM32_DMA2_STREAM7);
if (memcmp(patterns2, buf1, sizeof (patterns2)))
chSysHalt("pattern error");
if (memcmp(patterns2, buf2, sizeof (patterns2)))
chSysHalt("pattern error");
/* Stops the watchdog.*/
chVTReset(&vt);
chThdSleepMilliseconds(2);
}
return 0;
}
