368 lines
8.3 KiB
C
368 lines
8.3 KiB
C
/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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/* os shim includes */
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#include "os_types.h"
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#include "os_task.h"
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#include "os_utils.h"
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/* common includes */
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#include "iot_io.h"
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#include "iot_bitops.h"
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#include "iot_pkt.h"
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#include "iot_ipc.h"
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#include "iot_dbglog_api.h"
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#include "iot_config.h"
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/* driver includes */
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#include "iot_clock.h"
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#include "iot_uart.h"
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#include "uart.h"
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#include "apb_dma.h"
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#include "dma_hw.h"
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/* cli includes */
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#include "iot_cli.h"
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#include "iot_uart_h.h"
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/* debug includes*/
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#include "dbg_io.h"
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extern int platform_init();
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os_task_h test_init_handle;
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static const iot_pkt_config_t test_pkt_config =
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{
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{
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{
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256,
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50,
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PKT_OWNER_ALL,
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},
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{
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600,
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50,
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PKT_OWNER_ALL,
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},
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{
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1100,
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15,
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PKT_OWNER_ALL,
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},
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{
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2200,
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6,
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PKT_OWNER_ALL,
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},
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{
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0,
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0,
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PKT_OWNER_NONE,
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},
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{
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0,
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0,
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PKT_OWNER_NONE,
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},
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{
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0,
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0,
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PKT_OWNER_NONE,
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},
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{
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0,
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0,
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PKT_OWNER_NONE,
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},
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}
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};
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desc_t *pdesc_rx=NULL;
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desc_t *pdesc_tx=NULL;
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desc_t *pdesc_rx_end=NULL;
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desc_t *pdesc_tx_end=NULL;
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#define TEST_DESC_NUM 10 /* RX = TX = TEST_DESC_NUM */
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#define TEST_BUF_SIZE 64 /* Each buffer has this size */
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#define DMA_TEST_DEVICE DMA_DEV_UART0// DMA_DEV_SPI0
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#if DMA_TEST_DEVICE == 4
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#include "iot_spi_api.h"
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#include "apb.h"
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#include "gpio_mtx.h"
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void dma_spi_gpio_config()
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{
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gpio_mtx_enable();
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/* 10<->clk, 11<-> CS, 15<->MOSI, 12<->MISO */
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gpio_sig_info_t info1 = {
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4,
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{
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{IO_TYPE_OUT, 0, 10, 0xff, 20},
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{IO_TYPE_OUT, 0, 11, 0xff, 21},
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{IO_TYPE_OUT, 0, 15, 0xff, 22},
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{IO_TYPE_IN, 0, 12, 16, 0xff}
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}
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};
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gpio_module_pin_select(&info1);
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gpio_module_sig_select(&info1, GPIO_MTX_MODE_MATRIX);
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}
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#endif
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void dma_desc_tail_exchange(desc_t*desc0, desc_t*desc1)
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{
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volatile unsigned int tail;
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tail = desc0->tail_lable[0];
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desc0->tail_lable[0] = desc1->tail_lable[0];
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desc1->tail_lable[0] = tail;
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}
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int int_stack[0x20];
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void dma_uart_handler(int device, int status)
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{
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desc_t *st, *end, *pnt;
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iot_pkt_t **pkt;
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static int int_stack_index=0;
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int_stack[(int_stack_index++)&0x1F] = status;
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if(DMA_INT_IN_SUC_EOF&status)
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{
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end = st = pdesc_rx_end;
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while((end->n_ptr != st) && (end->n_ptr->owner != DESC_OWNER_DMA)) end = end->n_ptr;
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pdesc_rx_end = end->n_ptr;
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pnt = pdesc_tx;
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while(st != end->n_ptr)
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{
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/* prepare pkt before exchange */
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pkt = (iot_pkt_t**)EXTEN_POINTER(st);
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iot_pkt_set_tail(*pkt, (*pkt)->data + st->length);
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pkt = (iot_pkt_t**)EXTEN_POINTER(pnt);
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iot_pkt_set_data(*pkt, (*pkt)->head);
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iot_pkt_set_tail(*pkt, (*pkt)->head);
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dma_desc_tail_exchange(pnt, st);
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pkt = (iot_pkt_t**)EXTEN_POINTER(st);
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DMA_MAKE_DESC(st, (*pkt)->data, TEST_BUF_SIZE, 0, 0, 0, 0, DESC_OWNER_DMA);
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/* send pkt recieved */
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pkt = (iot_pkt_t**)EXTEN_POINTER(pnt);
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DMA_MAKE_DESC(pnt, (*pkt)->data, TEST_BUF_SIZE, iot_pkt_block_len(*pkt, IOT_PKT_BLOCK_DATA),\
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0, 0, 0, DESC_OWNER_DMA);
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st = st->n_ptr;
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pnt = pnt->n_ptr;
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}
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end = pnt->l_ptr;
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end->n_ptr = NULL;
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pdesc_tx_end->n_ptr = pdesc_tx;
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if(DESC_OWNER_CPU == pdesc_tx_end->owner)
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{
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dma_hw_start_send(DMA_TEST_DEVICE, pdesc_tx);
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}
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pdesc_tx = pnt;
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pdesc_tx_end = end;
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}
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return ;
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}
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void dma_test(void)
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{
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int cnt;
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desc_t *rx, *tx;
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iot_pkt_t **pkt;
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dma_hw_init(NULL);
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#if(DMA_TEST_DEVICE == 4)
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sdma_cfg dma_cfg;
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dma_spi_gpio_config();
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(void)iot_spi_module_init(NULL);
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dma_cfg.rx_enable =1;
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dma_cfg.tx_enable =1;
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dma_cfg.rx_datalevel = 8;
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dma_cfg.tx_datalevel = 8;
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(void)iot_spi_dev_register_detail(DEVICE_SPI0_MASTER, NULL, NULL,
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&dma_cfg, NULL, 0x0);
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#endif
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const int desc_size = sizeof(desc_t) + sizeof(iot_pkt_t*);
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#if 1
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pdesc_rx = (desc_t*)os_mem_malloc(0, TEST_DESC_NUM*desc_size);
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pdesc_tx = (desc_t*)os_mem_malloc(0, TEST_DESC_NUM*desc_size);
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#endif
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if(NULL == pdesc_tx
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||NULL == pdesc_rx)
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{
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if(pdesc_tx)
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os_mem_free(pdesc_tx);
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pdesc_tx = NULL;
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return ;
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}
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(void)dma_hw_open(DMA_TEST_DEVICE, (dma_int_handler)dma_uart_handler, NULL);
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rx = pdesc_rx;
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tx = pdesc_tx;
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/* To fill descriptors */
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for(cnt=0; cnt<TEST_DESC_NUM; cnt++)
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{
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/* for RX */
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pkt = (iot_pkt_t**)EXTEN_POINTER(rx);
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*pkt = iot_pkt_alloc(TEST_BUF_SIZE+4, IOT_DRIVER_MID);
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DMA_MAKE_DESC(rx, (*pkt)->data, TEST_BUF_SIZE, 0, 0, 0, 0, DESC_OWNER_DMA);
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os_mem_set((*pkt)->data, 'a'+cnt, TEST_BUF_SIZE);
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rx->n_ptr = (desc_t*)((int)rx + desc_size);
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rx->l_ptr = (desc_t*)((int)rx - desc_size);
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/* for TX */
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pkt = (iot_pkt_t**)EXTEN_POINTER(tx);
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*pkt = iot_pkt_alloc(TEST_BUF_SIZE+4, IOT_DRIVER_MID);
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DMA_MAKE_DESC(tx, (*pkt)->data, TEST_BUF_SIZE, TEST_BUF_SIZE, 0, 0, 0, DESC_OWNER_DMA);
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DMA_INTR_ENA(tx);
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os_mem_set((*pkt)->data, 'A'+cnt, TEST_BUF_SIZE);
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tx->n_ptr = (desc_t*)((int)tx + desc_size);
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tx->l_ptr = (desc_t*)((int)tx - desc_size);
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rx = (desc_t*)((int)rx + desc_size);
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tx = (desc_t*)((int)tx + desc_size);
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}
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rx = (desc_t*)((int)pdesc_rx + desc_size*(TEST_DESC_NUM-1));
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tx = (desc_t*)((int)pdesc_tx + desc_size*(TEST_DESC_NUM-1));
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pdesc_rx->l_ptr = rx;
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rx->n_ptr = pdesc_rx;
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pdesc_tx->l_ptr = tx;
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tx->n_ptr = NULL;
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pdesc_tx_end = tx;
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pdesc_rx_end = pdesc_rx;
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dma_hw_start_recieve(DMA_TEST_DEVICE, pdesc_rx);
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dma_hw_start_send(DMA_TEST_DEVICE, pdesc_tx);
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}
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void test_init()
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{
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/* init common modules */
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iot_bitops_init();
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/* init os related modules and utilities */
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os_utils_init();
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/* init dbglog module */
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iot_dbglog_init();
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/* init pkt module */
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iot_pkt_init(&test_pkt_config);
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/* init ipc module */
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//iot_ipc_init();
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/*init uart module*/
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iot_uart_init(1);
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dma_test();
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}
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void iot_task_1(void *arg)
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{
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iot_printf("task 1 entry....\n");
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for(;;) {
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test_init();
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os_delete_task(test_init_handle);
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}
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}
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int32_t iot_task_init()
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{
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/* start plc lib task */
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test_init_handle = os_create_task(iot_task_1, NULL, 9);
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//create the tasks;
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if(test_init_handle != NULL) {
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iot_printf("task 1 init successfully...\n");
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}
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return 0;
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}
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int32_t iot_task_start()
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{
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//start the tasks;
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os_start_kernel();
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return 0;
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}
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static int32_t iot_platform_init()
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{
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/*platform intialization*/
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platform_init();
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//resource initializations;
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system_clock_init();
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system_uart_init();
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dbg_uart_init();
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dbg_uart_stage1_init();
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return 0;
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}
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int32_t iot_module_init(void)
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{
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//platform intialization;
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iot_platform_init();
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//create all the tasks;
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iot_task_init();
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iot_printf("starting...\n");
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return 0;
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}
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int32_t iot_module_start(void)
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{
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int32_t res = 0;
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res = iot_task_start();
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return res;
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}
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#include "apb_dma.h"
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int main(void)
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{
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//module init;
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iot_module_init();
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iot_module_start();
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return 0;
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}
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