int cmd_spi(int argc, char * const argv[])
{
struct w25qxx_init_t init;
uint32_t i, buf_size;
static uint8_t buf[256];
struct w25qxx_attr_t w25qxx;
init.delayms = DelayMs;
init.get_reamin = _get_reamin;
init.xfer = xfer;
SPI_QuickInit(SPI0_MOSI_PA7_MISO_PA6, kSPI_CPOL1_CPHA1, 100*1000);//配置PTA7为MOSI PTA6为MISO, 波特率为100K，但是实际波特率要根据匹配出来的寄存器值算，有些误差
GPIO_QuickInit(HW_GPIOA, 5, kGPIO_Mode_OPP); //PTA5 SS
GPIO_WriteBit(HW_GPIOA, 5, 1);
PORT_PinMuxConfig(HW_GPIOB,0,kPinAlt3); //PTB0 SCK
w25qxx_init(&init); //外部flash初始化
w25qxx_get_attr(&w25qxx);
buf_size = sizeof(buf);
/*读取外部flash256个字节*/
printf("reading page...\n");
w25qxx_read(0, buf, buf_size);
print_buf(buf,PAGE_SIZE);
/*擦除整个外部flash芯片*/
printf("erase all chips...\r\n");
w25qxx_erase_chip();
printf("erase complete\r\n");
/*读取外部flash256个字节*/
printf("reading page...\n");
w25qxx_read(0, buf, buf_size);
print_buf(buf,PAGE_SIZE);
/*编程外部flash256个字节*/
printf("programing a page...\n");
for(i=0;i<256;i++)
buf[i] = i;
w25qxx_write(0, buf, buf_size);
printf("clearing buffer..\n");
for(i=0;i<256;i++)
buf[i] = 0;
/*读取外部flash256个字节*/
printf("reading page...\n");
w25qxx_read(0, buf, buf_size);
print_buf(buf,PAGE_SIZE);
printf("demo end.\n");
return 0;
}
int main(void)
{
uint32_t i;
uint32_t len;
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
UART_CallbackRxInstall(HW_UART0, UART_ISR);
UART_ITDMAConfig(HW_UART0, kUART_IT_Rx, true);
printf("NRF24L01 test\r\n");
/* 初始化 NRF2401模块 的SPI接口及片选 */
PORT_PinMuxConfig(HW_GPIOE, 1, kPinAlt2);
PORT_PinMuxConfig(HW_GPIOE, 2, kPinAlt2);
PORT_PinMuxConfig(HW_GPIOE, 3, kPinAlt2);
PORT_PinMuxConfig(HW_GPIOE, 4, kPinAlt2);
/* 初始化2401所需的CE引脚 */
GPIO_QuickInit(HW_GPIOE, 0 , kGPIO_Mode_OPP);
/* 初始化2401模块*/
SPI_QuickInit(SPI1_SCK_PE02_SOUT_PE01_SIN_PE03, kSPI_CPOL0_CPHA0, 1*1000*1000);
nrf24l01_init(HW_SPI1, 0);
//检测是否存在无线设备，并配置接收和发送地址
if(nrf24l01_probe())
{
printf("no nrf24l01 device found!\r\n");
}
/* 进入Rx模式 */
nrf24l01_set_rx_mode();
while(1)
{
/* 如果收到串口数据则发送 */
if(gpRevChar != NULL)
{
nrf24l01_set_tx_mode();
nrf24l01_write_packet(gpRevChar, 1);
nrf24l01_set_rx_mode();
gpRevChar = NULL;
}
/* 如果收到2401 的数据 则传输到串口 */
if(!nrf24l01_read_packet(NRF2401RXBuffer, &len))
{
i = 0;
while(len--)
{
UART_WriteByte(HW_UART0, NRF2401RXBuffer[i++]);
}
}
}
}
int main(void)
{
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
printf("spi touch screen test\r\n");
/* 初始化SPI2 接口连接触控屏的触控芯片*/
SPI_QuickInit(SPI2_SCK_PD12_SOUT_PD13_SIN_PD14, kSPI_CPOL0_CPHA0, 2*1000*1000);
PORT_PinMuxConfig(HW_GPIOD, 11, kPinAlt2); /* SPI2_PCS0 */
/* 初始化触控芯片 使用CS0片选 */
ads7843_init(HW_SPI2, HW_SPI_CS0);
GUI_Init();//液晶屏界面初始化
GUI_SetBkColor(GUI_WHITE); //设置背景色
GUI_SetColor(GUI_BLACK); //设置前景色
GUI_Clear(); //清屏
GUI_SetPenSize(3); //设置点的大小
GUI_DispString("Measurement of\nA/D converter values");
while (1)
{
GUI_PID_STATE TouchState;
int xPhys, yPhys;
GUI_TOUCH_GetState(&TouchState); /* 获得触控位置 */
xPhys = GUI_TOUCH_GetxPhys(); /* 获得x轴的测量值 */
yPhys = GUI_TOUCH_GetyPhys(); /* 获得y轴的测量值 */
/* 显示测量结果 */
GUI_SetColor(GUI_BLUE);
GUI_DispStringAt("Analog input:\n", 0, 20);
GUI_GotoY(GUI_GetDispPosY() + 2);
GUI_DispString("x:");
GUI_DispDec(xPhys, 4);
GUI_DispString(", y:");
GUI_DispDec(yPhys, 4);
/* Display the according position */
GUI_SetColor(GUI_RED);
GUI_GotoY(GUI_GetDispPosY() + 4);
GUI_DispString("\nPosition:\n");
GUI_GotoY(GUI_GetDispPosY() + 2);
GUI_DispString("x:");
GUI_DispDec(TouchState.x,4);
GUI_DispString(", y:");
GUI_DispDec(TouchState.y,4);
GUI_DrawPoint(TouchState.x, TouchState.y);
GUI_TOUCH_Exec();
}
}
int CMD_SPI(int argc, char *const argv[])
{
uint8_t data[6];
uint32_t instance;
printf("SPI TEST CMD\r\n");
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
instance = SPI_QuickInit(SPI2_SCK_PD12_SOUT_PD13_SIN_PD14, kSPI_CPOL0_CPHA0, 20*1000*1000);
PORT_PinMuxConfig(HW_GPIOD, 12, kPinAlt2); //
PORT_PinMuxConfig(HW_GPIOD, 13, kPinAlt2); //
PORT_PinMuxConfig(HW_GPIOD, 14, kPinAlt2); //
PORT_PinMuxConfig(HW_GPIOD, 11, kPinAlt2); //SPI2_PCS0
PORT_PinMuxConfig(HW_GPIOD, 15, kPinAlt2); //SPI2_PCS1
SPI_EnableTxFIFO(HW_SPI2, true);
SPI_EnableRxFIFO(HW_SPI2, true);
// SPI_ReadWriteByte(instance, HW_CTAR0, 0x90, HW_SPI_CS1, kSPI_PCS_KeepAsserted);
// DelayMs(20);
if((argc == 2) && (!strcmp(argv[1], "FLASH")))
{
return DO_SPI_FLASH(argc, argv);
}
if((argc == 2) && (!strcmp(argv[1], "DMA")))
{
return DO_SPI_DMA(argc, argv);
}
printf("param error\r\n");
PEout(6) = !PEout(6);
SPI_ReadWriteByte(instance, HW_CTAR0, 0x90, HW_SPI_CS1, kSPI_PCS_KeepAsserted);
SPI_ReadWriteByte(instance, HW_CTAR0, 0x00, HW_SPI_CS1, kSPI_PCS_KeepAsserted);
SPI_ReadWriteByte(instance, HW_CTAR0, 0x00, HW_SPI_CS1, kSPI_PCS_KeepAsserted);
SPI_ReadWriteByte(instance, HW_CTAR0, 0x00, HW_SPI_CS1, kSPI_PCS_KeepAsserted);
// SPI_WaitSync(instance);
data[0] = SPI_ReadWriteByte(instance, HW_CTAR0, 0xFF, HW_SPI_CS1, kSPI_PCS_KeepAsserted);
data[1] = SPI_ReadWriteByte(instance, HW_CTAR0, 0xFF, HW_SPI_CS1, kSPI_PCS_ReturnInactive);
PEout(6) = !PEout(6);
printf("data:0x%02X 0x%02X\r\n", data[0], data[1]);
//初始化SPI
// SPI_QuickInit(BOARD_SPI_MAP, kSPI_CPOL0_CPHA1, 1*1000);
//安装回调函数
// SPI_CallbackInstall(BOARD_SPI_INSTANCE, SPI_ISR);
//开启SPI中断
// SPI_ITDMAConfig(BOARD_SPI_INSTANCE, kSPI_IT_TCF);
return CMD_RET_USAGE;
}
