115 lines
3.5 KiB
C
Executable File
115 lines
3.5 KiB
C
Executable File
/*
|
|
* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
|
|
* its contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "kernel/os/os.h"
|
|
#include "driver/chip/hal_spi.h"
|
|
#include "common/framework/platform_init.h"
|
|
|
|
/* spi */
|
|
#define DEMO_SPI_MCLK (48 * 1000 * 1000)
|
|
#define DEMO_SPI_CS_LEVEL 0
|
|
#define DEMO_SPI_PORT SPI0
|
|
#define DEMO_SPI_CS SPI_TCTRL_SS_SEL_SS0
|
|
#define DEMO_FLASH_INSTRUCTION_RDID 0x9F /* flash jedec id */
|
|
|
|
/* FLASH_PN25F16BSSIUG flashid 0x17701c test ok.
|
|
* You can check flashid in the flash spec.
|
|
*/
|
|
|
|
static int spi_demo(void)
|
|
{
|
|
SPI_Config spi_Config;
|
|
HAL_Status ret = HAL_OK;
|
|
uint8_t cmd = DEMO_FLASH_INSTRUCTION_RDID; /* read flash id cmd */
|
|
uint32_t data = 0;
|
|
|
|
spi_Config.firstBit = SPI_TCTRL_FBS_MSB;
|
|
spi_Config.mode = SPI_CTRL_MODE_MASTER;
|
|
spi_Config.opMode = SPI_OPERATION_MODE_POLL;
|
|
spi_Config.sclk = 24000000;
|
|
spi_Config.sclkMode = SPI_SCLK_Mode0;
|
|
|
|
printf("spi open...\n");
|
|
ret = HAL_SPI_Open(DEMO_SPI_PORT, DEMO_SPI_CS, &spi_Config, 5000);
|
|
if (ret != HAL_OK) {
|
|
printf("spi open failed");
|
|
return ret;
|
|
}
|
|
|
|
HAL_SPI_Config(DEMO_SPI_PORT, SPI_ATTRIBUTION_IO_MODE, SPI_IO_MODE_NORMAL);
|
|
|
|
HAL_SPI_CS(DEMO_SPI_PORT, 1);
|
|
|
|
printf("spi write...\n");
|
|
ret = HAL_SPI_Transmit(DEMO_SPI_PORT, &cmd, 1);
|
|
if (ret != HAL_OK) {
|
|
printf("spi write failed");
|
|
goto failed;
|
|
}
|
|
|
|
printf("spi read...\n");
|
|
ret = HAL_SPI_Receive(DEMO_SPI_PORT, (uint8_t *)(&data), 3); /* flash id 3 bytes */
|
|
if (ret != HAL_OK) {
|
|
printf("spi read failed");
|
|
goto failed;
|
|
}
|
|
|
|
printf("spi read flashid: 0x%x\n", data);
|
|
|
|
HAL_SPI_CS(DEMO_SPI_PORT, 0);
|
|
|
|
failed:
|
|
printf("spi close.\n");
|
|
HAL_SPI_Close(DEMO_SPI_PORT);
|
|
return ret;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
platform_init();
|
|
|
|
printf("spi demo started.\n");
|
|
|
|
SPI_Global_Config spi_param;
|
|
|
|
spi_param.cs_level = DEMO_SPI_CS_LEVEL;
|
|
spi_param.mclk = DEMO_SPI_MCLK;
|
|
|
|
HAL_SPI_Init(DEMO_SPI_PORT, &spi_param);
|
|
|
|
spi_demo();
|
|
|
|
HAL_SPI_Deinit(DEMO_SPI_PORT);
|
|
|
|
printf("spi demo over.\n");
|
|
return 0;
|
|
}
|
|
|