ZigBee学习之26HalDriverInit.docx

1、ZigBee学习之26HalDriverInit#1楼主：【原创】ZigBee学习之26HalDriverInit()文章发表于：2010-02-11 10:24 / 初始化硬件驱动，这个估计跟硬件更加紧密了，只要板子不同就要做相应的修改 HalDriverInit();/【hal_drivers.c】void HalDriverInit (void) HalTimerInit();/定时器初始化/【hal_timer.c】/一些宏定义#define HAL_TIMER1_16_PRESCALE HAL_TIMER1_16_TC_DIV128#define HAL_TIMER1_16_PRES

2、CALE_VAL 128#define HAL_TIMER3_8_PRESCALE HAL_TIMER34_8_TC_DIV128#define HAL_TIMER3_8_PRESCALE_VAL 128#define HAL_TIMER4_8_PRESCALE HAL_TIMER34_8_TC_DIV128#define HAL_TIMER4_8_PRESCALE_VAL 128 /* Clock settings */#define HAL_TIMER_16MHZ 16#define HAL_TIMER_32MHZ 32#define HAL_TIMER1_16_TC_DIV1 0x00

3、/* No clock pre-scaling */#define HAL_TIMER1_16_TC_DIV8 0x04 /* Clock pre-scaled by 8 */#define HAL_TIMER1_16_TC_DIV32 0x08 /* Clock pre-scaled by 32 */#define HAL_TIMER1_16_TC_DIV128 0x0c /* Clock pre-scaled by 128 */#define HAL_TIMER1_16_TC_BITS 0x0c /* Bits 3:2 */定时器的初始化很简单就是设置了各个寄存器的初始值，然后屏蔽了中断，

4、就不多说了void HalTimerInit (void) T1CCTL0 = 0; /* Make sure interrupts are disabled */ T1CCTL1 = 0; /* Make sure interrupts are disabled */ T1CCTL2 = 0; /* Make sure interrupts are disabled */ T3CCTL0 = 0; /* Make sure interrupts are disabled */ T3CCTL1 = 0; /* Make sure interrupts are disabled */ T4CCT

5、L0 = 0; /* Make sure interrupts are disabled */ T4CCTL1 = 0; /* Make sure interrupts are disabled */禁止定时器的中断 /* Setup prescale & clock for timer0 */ halTimerRecordHW_TIMER_1.prescale = HAL_TIMER1_16_PRESCALE; halTimerRecordHW_TIMER_1.clock = HAL_TIMER_32MHZ; halTimerRecordHW_TIMER_1.prescaleVal = HA

6、L_TIMER1_16_PRESCALE_VAL; /* Setup prescale & clock for timer2 */ halTimerRecordHW_TIMER_3.prescale = HAL_TIMER3_8_PRESCALE; halTimerRecordHW_TIMER_3.clock = HAL_TIMER_32MHZ; halTimerRecordHW_TIMER_3.prescaleVal = HAL_TIMER3_8_PRESCALE_VAL; /* Setup prescale & clock for timer3 */ halTimerRecordHW_TI

7、MER_4.prescale = HAL_TIMER4_8_PRESCALE; halTimerRecordHW_TIMER_4.clock = HAL_TIMER_32MHZ; halTimerRecordHW_TIMER_4.prescaleVal = HAL_TIMER4_8_PRESCALE_VAL; /设置定时器1，3，4的通道数据结构，其实就是在数据结构中设置了定时器相关寄存器的地址。默认所有的定时器使用通道0 /* Setup Timer1 Channel structure */ halTimerChannelHW_TIMER_1.TxCCTL = TCHN_T1CCTL;/

8、#define TCHN_T1CCTL &(X_T1CCTL0) halTimerChannelHW_TIMER_1.TxCCL = TCHN_T1CCL; halTimerChannelHW_TIMER_1.TxCCH = TCHN_T1CCH; halTimerChannelHW_TIMER_1.TxOVF = TCNH_T1OVF; halTimerChannelHW_TIMER_1.ovfbit = TCHN_T1OVFBIT; halTimerChannelHW_TIMER_1.intbit = TCHN_T1INTBIT; /* Setup Timer3 Channel struc

9、ture */ halTimerChannelHW_TIMER_3.TxCCTL = TCHN_T3CCTL; halTimerChannelHW_TIMER_3.TxCCL = TCHN_T3CCL; halTimerChannelHW_TIMER_3.TxCCH = TCHN_T3CCH; halTimerChannelHW_TIMER_3.TxOVF = TCNH_T3OVF; halTimerChannelHW_TIMER_3.ovfbit = TCHN_T3OVFBIT; halTimerChannelHW_TIMER_3.intbit = TCHN_T3INTBIT; /* Set

10、up Timer4 Channel structure */ halTimerChannelHW_TIMER_4.TxCCTL = TCHN_T4CCTL; halTimerChannelHW_TIMER_4.TxCCL = TCHN_T4CCL; halTimerChannelHW_TIMER_4.TxCCH = TCHN_T4CCH; halTimerChannelHW_TIMER_4.TxOVF = TCNH_T4OVF; halTimerChannelHW_TIMER_4.ovfbit = TCHN_T4OVFBIT; halTimerChannelHW_TIMER_4.intbit

11、= TCHN_T4INTBIT;#if (defined HAL_ADC) & (HAL_ADC = TRUE)/如果开启了硬件ADC服务则进行ADC的初始化 HalAdcInit();/【hal_adc.c】void HalAdcInit (void)#if (HAL_ADC = TRUE) volatile uint8 tmp; ADCCON1 = HAL_ADC_STSEL | HAL_ADC_RAND_GEN | 0x03;/ #define HAL_ADC_STSEL HAL_ADC_STSEL_ST/ #define HAL_ADC_STSEL_ST 0x30/设置ADCCON1.

12、ST =1为启动前提条件/ #define HAL_ADC_RAND_GEN HAL_ADC_RAND_STOP/ #define HAL_ADC_RAND_STOP 0x0c/停止随机数发生器/这些配置都可以在【hal_adc.c】中的常数定义部分找到 ADCCON2 = HAL_ADC_REF_VOLT | HAL_ADC_DEC_RATE | HAL_ADC_SCHN;/AVDD_SOC为参考电压，8位分辨率，AVDD/3为输入/以上只是ADC的初始状态，使用的时候需要根据情况进行更改 tmp = ADCL; /* 通过读取转换值来清除EOC */ tmp = ADCH;/因为每次重启后

13、读取的ADC对外部的转换都是地电平，所以这里启动两次对地的ADC转换来消除这个bug ADCCON3 = HAL_ADC_REF_VOLT | HAL_ADC_DEC_RATE | HAL_ADC_ECHN; while (ADCCON1 & HAL_ADC_EOC) != HAL_ADC_EOC); /* Wait for conversion */ tmp = ADCL; /* read ADCL,ADCH to clear EOC */ tmp = ADCH; ADCCON3 = HAL_ADC_REF_VOLT | HAL_ADC_DEC_RATE | HAL_ADC_ECHN; wh

14、ile (ADCCON1 & HAL_ADC_EOC) != HAL_ADC_EOC); /* Wait for conversion */ tmp = ADCL; /* read ADCL,ADCH to clear EOC */ tmp = ADCH;#endif#endif #if (defined HAL_DMA) & (HAL_DMA = TRUE) HalDmaInit();/DMA初始化【hal_dma.c】void HalDmaInit( void ) HAL_DMA_SET_ADDR_DESC0( &dmaCh0 );/【hal_dma.h】/DMA配置数据结构typedef

15、 struct uint8 srcAddrH; uint8 srcAddrL; uint8 dstAddrH; uint8 dstAddrL; uint8 xferLenV; uint8 xferLenL; uint8 ctrlA; uint8 ctrlB; halDMADesc_t;/设置DMA通道0的配置地址#define HAL_DMA_SET_ADDR_DESC0( a ) st( DMA0CFGH = (uint8)( (uint16)(a) 8 ); DMA0CFGL = (uint8)( (uint16)(a) ); ) HAL_DMA_SET_ADDR_DESC1234( dm

16、aCh1234 );#endif /* AES高级加密单元，暂时不说吧 */#if (defined HAL_AES) & (HAL_AES = TRUE) HalAesInit();#endif /* LCD初始化，这个要大改了，相信每个人的板子上面的LCD设计都有可能不相同的吧 */使用LCD的前提是要定义了LCD_HW#if (defined HAL_LCD) & (HAL_LCD = TRUE) HalLcdInit();#endif /* LED初始化，也跟硬件关系很大 */#if (defined HAL_LED) & (HAL_LED = TRUE) HalLedInit();/

17、【hal_led.c】void HalLedInit (void)#if (HAL_LED = TRUE) /* 关闭所有LED */ HalLedSet (HAL_LED_ALL, HAL_LED_MODE_OFF); /* 这个sleepActive 不晓得是用作什么用的，后面应该会提到，初始化为FALSE */ HalLedStatusControl.sleepActive = FALSE;#endif /* HAL_LED */#endif /* UART初始化，这里只是配置了UART的端口以及UART-DMA模式的配置，并没有配置UART数据传输格式 */#if (defined H

18、AL_UART) & (HAL_UART = TRUE) HalUARTInit();/【hal_uart.c】void HalUARTInit( void )#if HAL_UART_DMA halDMADesc_t *ch;/如果允许UART的DMA则定义一个DMA配置数据结构变量#endif / 初始设置USART0优先级高于USART1 P2DIR &= P2DIR_PRIPO;/ #define P2DIR_PRIPO 0xC0 P2DIR |= HAL_UART_PRIPO;/#if HAL_UART_0_ENABLE/ #define HAL_UART_PRIPO 0x00/#e

19、lse/ #define HAL_UART_PRIPO 0x40/#endif/如果定义HAL_UART_0_ENABLE则UART0有最高优先级，否则UART1高优先级。在我的板子上是使用UART0所以要定义HAL_UART_0_ENABLE了，呵呵#if HAL_UART_0_ENABLE/设置UART0 I/O到P0.哈哈刚好符合我板子的情况，太妙了/#define HAL_UART_0_PERCFG_BIT 0x01 PERCFG &= HAL_UART_0_PERCFG_BIT; /* 配置P0上的Tx and Rx */ #define HAL_UART_0_P0_RX_TX 0x

20、0c P0SEL |= HAL_UART_0_P0_RX_TX; /* 保证ADC不用这几个引脚作为输入，其实重启后的状态就是不用的 */ ADCCFG &= HAL_UART_0_P0_RX_TX; /*用UART Mode */ U0CSR = CSR_MODE; /* 清空缓存 */ U0UCR = UCR_FLUSH;#endif/对于UART1的配置如出一辙，只是换了一下管脚而已，把UART配置到P1啦#if HAL_UART_1_ENABLE / Set UART1 I/O location to P1. PERCFG |= HAL_UART_1_PERCFG_BIT; /* En

21、able Tx and Rx on P1 */ P1SEL |= HAL_UART_1_P1_RX_TX; /* Make sure ADC doesnt use this */ ADCCFG &= HAL_UART_1_P1_RX_TX; /* Mode is UART Mode */ U1CSR = CSR_MODE; /* Flush it */ U1UCR = UCR_FLUSH;#endif/下面是UART的DMA配置，需要先定义HAL_UART_DMA为TRUE#if HAL_UART_DMA ch = HAL_DMA_GET_DESC1234( HAL_DMA_CH_TX );/

22、 #define HAL_DMA_GET_DESC1234( a ) (dmaCh1234+(a)-1)/ #define HAL_DMA_CH_TX 3/以上是配置TX用DMA通道2 HAL_DMA_SET_DEST( ch, DMA_UDBUF );/通道的目的地址设为UxDBUF【hal_uart.c】/#define DMA_UDBUF HAL_DMA_U0DBUF/ #define HAL_DMA_U0DBUF 0xDFC1/#define HAL_DMA_U1DBUF 0xDFF9/在TI的这个驱动中只支持两个USART中的一个使用DMA，不支持同时使用 /配置VLEN域使用LEN

23、字段 HAL_DMA_SET_VLEN( ch, HAL_DMA_VLEN_USE_LEN ); /初始化为一次传输一字节 HAL_DMA_SET_WORD_SIZE( ch, HAL_DMA_WORDSIZE_BYTE ); /一次触发只传输一个字节，触发源为UART0 TX完成 HAL_DMA_SET_TRIG_MODE( ch, HAL_DMA_TMODE_SINGLE ); HAL_DMA_SET_TRIG_SRC( ch, DMATRIG_TX ); /源地址递增，目的地址不递增 HAL_DMA_SET_SRC_INC( ch, HAL_DMA_SRCINC_1 ); HAL_DMA

24、_SET_DST_INC( ch, HAL_DMA_DSTINC_0 ); /传输完成不发送IRQ请求 HAL_DMA_SET_IRQ( ch, HAL_DMA_IRQMASK_DISABLE ); /8位一字节，高优先级模式 HAL_DMA_SET_M8( ch, HAL_DMA_M8_USE_8_BITS ); HAL_DMA_SET_PRIORITY( ch, HAL_DMA_PRI_HIGH ); /一下是配置RX为DMA的源，接收使用DMA模式，大同小异就不多说了. ch = HAL_DMA_GET_DESC1234( HAL_DMA_CH_RX ); / The start add

25、ress of the source. HAL_DMA_SET_SOURCE( ch, DMA_UDBUF ); / Using the length field to determine how many bytes to transfer. HAL_DMA_SET_VLEN( ch, HAL_DMA_VLEN_USE_LEN ); HAL_DMA_SET_WORD_SIZE( ch, HAL_DMA_WORDSIZE_WORD ); / The bytes are transferred 1-by-1 on Rx Complete trigger. HAL_DMA_SET_TRIG_MOD

26、E( ch, HAL_DMA_TMODE_SINGLE ); HAL_DMA_SET_TRIG_SRC( ch, DMATRIG_RX ); / The source address is constant - the Rx Data Buffer. HAL_DMA_SET_SRC_INC( ch, HAL_DMA_SRCINC_0 ); / The destination address is incremented by 1 word after each transfer. HAL_DMA_SET_DST_INC( ch, HAL_DMA_DSTINC_1 ); / The DMA is

27、 to be polled and shall not issue an IRQ upon completion. HAL_DMA_SET_IRQ( ch, HAL_DMA_IRQMASK_DISABLE ); / Xfer all 8 bits of a byte xfer. HAL_DMA_SET_M8( ch, HAL_DMA_M8_USE_8_BITS ); / DMA has highest priority for memory access. HAL_DMA_SET_PRIORITY( ch, HAL_DMA_PRI_HIGH );#endif#endif /* KEY初始化 *

28、/#if (defined HAL_KEY) & (HAL_KEY = TRUE) HalKeyInit();/【hal_key.c】在这个文件中定义了SW6,SW5的端口，看来要大改了，我只有3个独立按键，而且用的是P1口void HalKeyInit( void )#if (HAL_KEY = TRUE) halKeySavedKeys = 0; #if defined (HAL_KEY_SW_6_ENABLE)/ #define HAL_KEY_SW_6_BIT HAL_KEY_BIT1/#define HAL_KEY_BIT1 0x02/ #define HAL_KEY_SW_5_BI

29、T HAL_KEY_BIT0/对于CC2430DB，SW6用的是P0_1,SW5用的是P2_0；对于CC2430EB，没有SW6，SW5用的是P0_5 HAL_KEY_SW_6_SEL &= (HAL_KEY_SW_6_BIT); HAL_KEY_SW_6_DIR &= (HAL_KEY_SW_6_BIT); #endif #if defined (HAL_KEY_SW_5_ENABLE) HAL_KEY_SW_5_SEL &= (HAL_KEY_SW_5_BIT); HAL_KEY_SW_5_DIR &= (HAL_KEY_SW_5_BIT); HAL_KEY_SW_5_INP |= HAL_KEY_SW_5_BIT; #endif /* 初始化回调函数 */ pHalKeyProcessFunction = NULL; /* Start with key is not configured */ HalKeyConfigured = FALSE;#endif /* HAL_KEY */#endif