UART.rar_6416DSP_DSP UART_csl_chiphal.h_ti dsp uart_tidsp6416uar

/***************************************************************************** FILENAME: FLASH.C DESIGNER: 戴展波 DATE： 2004/09/25 ******************************************************************************/ #include <stdio.h> #include <csl.h> #include <csl_irq.h> #include <csl_chip.h> #include <csl_emifb.h> #include <csl_gpio.h> #include "uart.h" GPIO_Handle hGpio; static Uint32 gpgc = GPIO_GPGC_RMK( GPIO_GPGC_GP0M_GPIOMODE, GPIO_GPGC_GPINT0M_DEFAULT, GPIO_GPGC_GPINTPOL_DEFAULT, GPIO_GPGC_LOGIC_DEFAULT, GPIO_GPGC_GPINTDV_DEFAULT ); static Uint32 gpen = GPIO_GPEN_OF(0x10); static Uint32 gpdir = GPIO_GPDIR_OF(GPIO_GPDIR_DEFAULT); static Uint32 gpval = GPIO_GPVAL_OF(GPIO_GPVAL_DEFAULT); static Uint32 gphm = GPIO_GPHM_RMK(GPIO_GPHM_GPXHM_DEFAULT); static Uint32 gplm = GPIO_GPLM_RMK(GPIO_GPLM_GPXLM_DEFAULT); static Uint32 gppol = GPIO_GPPOL_RMK(GPIO_GPPOL_GPINTXPOL_DEFAULT); static EMIFB_Config MyEmifbConfig = { EMIFB_GBLCTL_RMK ( EMIFB_GBLCTL_EK2RATE_FULLCLK, //1 X EMIF input clock EMIFB_GBLCTL_EK2HZ_CLK, //eclkout2 continue output during hold EMIFB_GBLCTL_EK2EN_ENABLE, //eclkout2 enable output EMIFB_GBLCTL_BRMODE_MRSTATUS, //bus request is memory access or refresh pending/in progress EMIFB_GBLCTL_NOHOLD_ENABLE, EMIFB_GBLCTL_EK1HZ_CLK, //eclkout1 continue output during hold EMIFB_GBLCTL_EK1EN_ENABLE //eclkout1 enable output ), 0x7830df0c, //clk/4 // 0x2370ca0b, //clk/6 0x22a28a22, 0x22a28a22, 0x22a28a22, EMIFB_SDCTL_DEFAULT, EMIFB_SDTIM_DEFAULT, EMIFB_SDEXT_DEFAULT, 0x00000002, 0x00000002, 0x00000002, 0x00000002 }; unsigned char receive_232_data[160]; unsigned char receive_count = 0; unsigned char deal_count = 0; unsigned char temp; void init_UART(void); extern far void vectors(); void main() { unsigned char i; //初始化CSL CSL_init(); //关闭总中断 IRQ_globalDisable(); //配置EMIFB EMIFB_config(&MyEmifbConfig); //打开GPIO句柄 hGpio = GPIO_open(GPIO_DEV0,GPIO_OPEN_RESET); //GPIO配置 GPIO_configArgs(hGpio,gpgc,gpen,gpdir,gpval,gphm,gplm,gppol); //初始化UART init_UART(); //设置中断矢量表地址 IRQ_setVecs(vectors); //设置中断通道 IRQ_map(IRQ_EVT_EXTINT4,4); //中断使能 IRQ_enable(IRQ_EVT_EXTINT4); //使能NMI中断 IRQ_nmiEnable(); //打开总中断 IRQ_globalEnable(); for(;;) { if(receive_count != deal_count) { temp = *UARTA_LSR&0x40; if(temp == 0x40) { for(i = 0; i < 16; i++) { *UARTA_THR = receive_232_data[16*deal_count+i]; } deal_count++; if(deal_count == 10) { deal_count = 0; } } } } } void init_UART(void) { *UARTA_LCR = (data_w8+data_s1+uart_parity+LC_1_DLAB); /*8位数据 1停止位 偶校验位 开启除数转换*/ *UARTA_DLL = buad_19k2_l; /*19.2K波特率*/ *UARTA_DLH = buad_19k2_h; *UARTA_LCR = (data_w8+data_s1+uart_parity+LC_0_DLAB); /*8位数据 1停止位 偶校验位 开启其余寄存器转换*/ *UARTA_MCR = UartLoop; *UARTA_FCR = fifo_reset; *UARTA_IER = 0; *UARTA_FCR = fifo_enable+fifo_txdip16+fifo_rxdip16; // temp = UARTA_RHR; *UARTA_IER = uartint_rhr; } interrupt void uarta_int(void) { unsigned char i; if((*EXT_INT_STATUS & 0x10) == 0x10) { if((*UARTA_LSR&0x01) == 0x01) { for(i = 0; i < 16; i++) { receive_232_data[16*receive_count+i] = *UARTA_RHR&0xff; } receive_count++; if(receive_count == 10) receive_count = 0; } else { *UARTA_FCR = 0x02; } } }