Merge upstream changes from Marlin 2.1.2

This commit is contained in:
Stefan Kalscheuer
2022-12-19 15:23:45 +01:00
parent fe9ea826a5
commit 67c7ce7b79
427 changed files with 10732 additions and 7834 deletions

View File

@@ -318,8 +318,16 @@ void SPIClass::dmaSend(void *buf, uint16_t length, bool minc) {
// Enable DMA
GPDMA_ChannelCmd(0, ENABLE);
/*
* Observed behaviour on normal data transfer completion (SKR 1.3 board / LPC1768 MCU)
* GPDMA_STAT_INTTC flag is SET
* GPDMA_STAT_INTERR flag is NOT SET
* GPDMA_STAT_RAWINTTC flag is NOT SET
* GPDMA_STAT_RAWINTERR flag is SET
*/
// Wait for data transfer
while (!GPDMA_IntGetStatus(GPDMA_STAT_RAWINTTC, 0) && !GPDMA_IntGetStatus(GPDMA_STAT_RAWINTERR, 0)) { }
while (!GPDMA_IntGetStatus(GPDMA_STAT_INTTC, 0) && !GPDMA_IntGetStatus(GPDMA_STAT_INTERR, 0)) {}
// Clear err and int
GPDMA_ClearIntPending (GPDMA_STATCLR_INTTC, 0);
@@ -333,6 +341,43 @@ void SPIClass::dmaSend(void *buf, uint16_t length, bool minc) {
SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, DISABLE);
}
void SPIClass::dmaSendAsync(void *buf, uint16_t length, bool minc) {
//TODO: LPC dma can only write 0xFFF bytes at once.
GPDMA_Channel_CFG_Type GPDMACfg;
/* Configure GPDMA channel 0 -------------------------------------------------------------*/
/* DMA Channel 0 */
GPDMACfg.ChannelNum = 0;
// Source memory
GPDMACfg.SrcMemAddr = (uint32_t)buf;
// Destination memory - Not used
GPDMACfg.DstMemAddr = 0;
// Transfer size
GPDMACfg.TransferSize = length;
// Transfer width
GPDMACfg.TransferWidth = (_currentSetting->dataSize == DATA_SIZE_16BIT) ? GPDMA_WIDTH_HALFWORD : GPDMA_WIDTH_BYTE;
// Transfer type
GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_M2P;
// Source connection - unused
GPDMACfg.SrcConn = 0;
// Destination connection
GPDMACfg.DstConn = (_currentSetting->spi_d == LPC_SSP0) ? GPDMA_CONN_SSP0_Tx : GPDMA_CONN_SSP1_Tx;
GPDMACfg.DMALLI = 0;
// Enable dma on SPI
SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, ENABLE);
// Only increase memory if minc is true
GPDMACfg.MemoryIncrease = (minc ? GPDMA_DMACCxControl_SI : 0);
// Setup channel with given parameter
GPDMA_Setup(&GPDMACfg);
// Enable DMA
GPDMA_ChannelCmd(0, ENABLE);
}
uint16_t SPIClass::read() {
return SSP_ReceiveData(_currentSetting->spi_d);
}