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您好。使用GPIO中断时,中断能进入ISR,但是不能区分具体的GPIO端口。程序如下:
$ o: s+ b0 g* Z7 a% x! ?#define AD7606_PAR_BUSY_GPIO_BANK 52 o, y- `( x# g& N) z2 ^
#define AD7606_PAR_BUSY_GPIO_BANK_INT SYS_INT_GPIO_B5INT
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#define AD7606_PAR_BUSY_V1 GPIO_TO_PIN(5, 11) //BANK5的中断口5.11/ M6 G% r& e, I) _* j2 x( X( i8 h
#define AD7606_PAR_BUSY_V2 GPIO_TO_PIN(5, 9) //BANK5的中断口5.9/ g }- n6 {# Q) j2 X8 E
#define AD7606_PAR_BUSY_C GPIO_TO_PIN(5, 5) //BANK5的中断口5.5, U$ ]2 |: G0 R- H: h" s' b
#define AD7606_PAR_BUSY GPIO_TO_PIN(5, 4): m! d) d5 B3 M( e2 [' h
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#define AD7606_PAR_CONVST GPIO_TO_PIN(5, 1)8 N- }2 A) b# V. J( `
#define AD7606_PAR_RD GPIO_TO_PIN(5, 2)0 M( G5 H9 |! _
#define AD7606_PAR_RESET GPIO_TO_PIN(5, 0)
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static void ad7606_irq_setup(ad7606 *ad) {
% p/ K) e5 F, L( O% C0 ^; ] Hwi_Params hwiParams;
+ @' r& O! |" z& P. \ Hwi_Handle myHwi;8 d+ Z* [: ^) J- m
Error_Block eb;6 |/ Q8 q; f+ n- D! _+ J
' Y# k; G2 x; K5 m Error_init(&eb);
( j. e+ J$ `; `/ ~5 R, h Hwi_Params_init(&hwiParams);
$ f2 {' ~8 n" X! w7 h. b hwiParams.arg = (unsigned int)ad;
! F: j4 s, P5 @5 @; v# N hwiParams.enableInt = FALSE;
1 [5 |2 }# G; H hwiParams.eventId = SYS_INT_GPIO_B5INT;
- O! g! a, M2 _ hwiParams.priority = 4;
( y2 ~4 |: X9 f& T7 o myHwi = Hwi_create(8, ad7606_busy_hwi, &hwiParams, &eb); //注册BANK5中断处理函数
( ]8 ^7 I+ y% T) \/ _( }+ b if (myHwi == NULL)
: x4 h' y4 s; o& I LOG_FATAL("failed to create hwi");
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! o9 _/ \3 L! A4 n /* enable both interrupts */: g) M8 X/ f+ k: R8 ], Y N8 U
Hwi_enableInterrupt(ad->irq_event);1 N* I4 W: G3 S6 k+ g
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static void ad7606_gpio_pinmux_setup(ad7606 *ad) {
& p) m# \4 T! C7 O3 @& L volatile unsigned int savePinMux = 0;
' k8 E1 N+ l- Y8 ?" K7 C" C- s //初始化5.11、5.9 、 5.5为GPIO口
2 L5 n; }$ N/ Y- E savePinMux = HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) & (~(SYSCFG_PINMUX11_PINMUX11_27_24 | SYSCFG_PINMUX11_PINMUX11_19_16));0 [" v7 P( U; L: [" i4 ?! J% G
1 ~/ h+ ]/ G1 E& U3 b7 J5 Y0 k HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) = (PINMUX11_BUSY_V1_ENABLE | PINMUX11_BUSY_V2_ENABLE | savePinMux);
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# Y }* p: { A5 T savePinMux = HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(12)) & (~(SYSCFG_PINMUX12_PINMUX12_31_28 | SYSCFG_PINMUX12_PINMUX12_27_24 | SYSCFG_PINMUX12_PINMUX12_23_20 | SYSCFG_PINMUX12_PINMUX12_11_8));
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HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(12)) = (PINMUX12_RESET_ENABLE | PINMUX12_CONVST_ENABLE | PINMUX12_RD_ENABLE | PINMUX12_BUSY_C_ENABLE | savePinMux);
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}
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4 C4 N; U+ p% U6 xstatic void ad7606_gpio_setup(ad7606 *ad) {: a: q/ {. z9 I- }
/*Set the AD7606_PAR_BUSY to the input mode*/
; a$ J6 m4 e2 M: p //初始化5.11、5.9 、 5.5为中断口
0 P2 ^" g' |/ S: b GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_DIR_INPUT);
/ G2 @$ n. n2 M9 Q. I# F) k5 n GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_DIR_INPUT);$ U9 \7 c5 Q7 W2 A
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_DIR_INPUT);# C& F7 H( w* _- c1 P5 s+ B U( `
//GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_DIR_INPUT);3 a& ]) C* V/ \. e. Q$ m
/*Set the AD7606_PAR_BUSY to the Falling Edge Interrupt*/
9 U! q/ N1 [: B1 U7 K( U0 | GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_INT_TYPE_FALLEDGE);) p" d" q2 M B" P! U+ q+ i7 U
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_INT_TYPE_FALLEDGE);0 m f/ b% I) J {- U) c" E% L
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_INT_TYPE_FALLEDGE);% G e4 g! ?: y9 Q' C9 N
//GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_INT_TYPE_FALLEDGE);
, d+ l3 E9 F$ f" N# N /*The interrupt setting allows AD7606_PAR_BUSY_GPIO_BANK*/
! G- B4 c8 K% m" m GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);
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* m$ P9 V/ l# z' H/ \2 `" \$ M GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_DIR_OUTPUT);6 `( q2 ]/ [4 v& N$ V
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_HIGH);! M: n$ f3 y* {
Task_sleep(1000);
) N, K) \$ t- J& }8 r# Q" r" R9 W! P GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_LOW);
4 q. G* s5 u) a! p/ w3 @6 ]! Y Task_sleep(1000);9 }6 U+ {' o. K
* D2 n2 D y C( x ` G9 S1 a0 b5 p /*Set the AD7606_PAR_CONVST to output mode*/3 W% P* i; V2 t6 H1 p( p) n
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_DIR_OUTPUT);) U+ G8 Q# G7 |( h) q' a& p/ L9 z
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);4 ?3 @% s3 x( }$ N
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GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_DIR_OUTPUT);
! [# |3 ^# H2 k; s7 F5 c GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_PIN_HIGH);
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static void ad7606_busy_hwi(UArg ad_addr) {5 m5 g; o& \% U0 G6 \! j
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/* Disable the interrupts for pins of bank AD7606_PAR_BUSY in GPIO.*/; N* w. [2 ?( B5 r! D
GPIOBankIntDisable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK); //用仿真器debug,发现程序能进入这里。 T& `! r0 R. Y1 U8 N1 s! b
" `2 q+ w2 Z; ]6 [ if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1) == GPIO_INT_PEND)
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; g* X# ]1 J: v9 ^# M( x GPIOPinIntClear(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1); //问题是:用仿真器debug,发现程序不能进入这里。& G6 t! a' L; r! h
cs_addr = SOC_EMIFA_CS5_ADDR ;
9 Z* E, \) m' |2 m internal = 0 ;
1 r) q% j# W, T& S+ I8 k3 f( ^ int_flag[0] = 1 ;4 t( O/ q. p0 f, G- I4 H# y
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if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2) == GPIO_INT_PEND)
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GPIOPinIntClear(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2); //问题是:用仿真器debug,发现程序不能进入这里。8 g: }8 [! h4 G/ P* G' K) I
cs_addr = SOC_EMIFA_CS4_ADDR ; \% ?5 ]+ n# O }% M- i X
internal = 6 ;2 w0 x0 X* w5 y
int_flag[1] = 1 ;3 t) K0 c) J3 f/ A2 C$ H$ ~: W1 w5 S
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if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C) == GPIO_INT_PEND)7 T4 A, R! w# K& ^9 V% w
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GPIOPinIntClear(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C); //问题是:用仿真器debug,发现程序不能进入这里。
* h- t3 V c8 m0 n6 ^+ K cs_addr = SOC_EMIFA_CS2_ADDR ;
" O3 v1 P& e# m( W, m4 w& i9 r internal = 12 ;
: w) |6 ?# Z* Z4 V- U9 O4 W! A# ] int_flag[2] = 1 ;1 f: J2 ]# J5 ?: _+ s9 N# A/ Q/ I
}
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GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);
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GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);) j6 M, s+ L, Y7 F6 y
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