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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:
9 Q7 A4 Q5 C4 v. S% k#define AD7606_PAR_BUSY_GPIO_BANK 56 M* R4 l- e: N4 B4 n5 S; ]& _
#define AD7606_PAR_BUSY_GPIO_BANK_INT SYS_INT_GPIO_B5INT; M7 y1 z( i( Q8 k
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#define AD7606_PAR_BUSY_V1 GPIO_TO_PIN(5, 11) //BANK5的中断口5.11
% h, f- }( n$ [, k. l9 |#define AD7606_PAR_BUSY_V2 GPIO_TO_PIN(5, 9) //BANK5的中断口5.9& F; v) _% \5 y2 W
#define AD7606_PAR_BUSY_C GPIO_TO_PIN(5, 5) //BANK5的中断口5.5
) v% [6 C& a5 U0 I) c/ x' E#define AD7606_PAR_BUSY GPIO_TO_PIN(5, 4)
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: E3 Q2 k2 r) _5 l$ o; ?#define AD7606_PAR_CONVST GPIO_TO_PIN(5, 1)4 o" c4 y7 m. e5 y% i0 D
#define AD7606_PAR_RD GPIO_TO_PIN(5, 2)4 s% ^ d; z- k# L
#define AD7606_PAR_RESET GPIO_TO_PIN(5, 0)
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, y+ q( _, j; e: fstatic void ad7606_irq_setup(ad7606 *ad) {* x0 L9 z# ?: S' b! I
Hwi_Params hwiParams;
2 n7 ]5 Q4 V6 g! V6 j+ w9 O Hwi_Handle myHwi;- t1 Y8 \2 `& b- J( L$ [
Error_Block eb;
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Error_init(&eb);' Q% A2 r! Z& D: p7 t
Hwi_Params_init(&hwiParams);
( {9 Y3 o1 O7 `5 s hwiParams.arg = (unsigned int)ad;
, C d/ a& \- C hwiParams.enableInt = FALSE;
' S Q1 ]5 B* B+ }0 \7 [ hwiParams.eventId = SYS_INT_GPIO_B5INT;
: `6 f, `$ l5 z- {7 k) }2 E8 I- g1 ?' b hwiParams.priority = 4;6 P3 v0 Y5 e( j" z4 t t
myHwi = Hwi_create(8, ad7606_busy_hwi, &hwiParams, &eb); //注册BANK5中断处理函数
0 b8 c2 j1 ?! w4 `' S if (myHwi == NULL) 5 C8 c: _0 x3 ]) k5 h5 [
LOG_FATAL("failed to create hwi");8 { p/ v" |8 D+ Z8 @! G3 r
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/* enable both interrupts */; j, F' B5 O3 M& E
Hwi_enableInterrupt(ad->irq_event);
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- Q7 U% m7 d$ K& C- lstatic void ad7606_gpio_pinmux_setup(ad7606 *ad) {
' ~4 c5 l) b6 i2 c volatile unsigned int savePinMux = 0;
) B' ?! j# r8 L# e% {7 f //初始化5.11、5.9 、 5.5为GPIO口
5 I8 f! k' g2 ^" X* R6 ]8 e savePinMux = HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) & (~(SYSCFG_PINMUX11_PINMUX11_27_24 | SYSCFG_PINMUX11_PINMUX11_19_16));
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! z% ?3 D. Q+ `; C+ P HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) = (PINMUX11_BUSY_V1_ENABLE | PINMUX11_BUSY_V2_ENABLE | savePinMux);8 h5 O7 ~$ j) C; M: p
$ P/ _+ O& H* e 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));# U; w( }9 ^$ Y* Y
# B# ]0 p* }9 Q q# u1 {' y HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(12)) = (PINMUX12_RESET_ENABLE | PINMUX12_CONVST_ENABLE | PINMUX12_RD_ENABLE | PINMUX12_BUSY_C_ENABLE | savePinMux);! g% F2 ]; K8 n' j5 Y* x P7 n9 C( g7 a
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; Y6 ` D" X$ |static void ad7606_gpio_setup(ad7606 *ad) {
4 u: N- b2 U2 R. r% n5 G /*Set the AD7606_PAR_BUSY to the input mode*/% ?0 k& `& A* m
//初始化5.11、5.9 、 5.5为中断口
; V- x* f5 W4 l m) _1 v GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_DIR_INPUT);+ w* [7 {- K* n# X( ~
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_DIR_INPUT);9 X8 x* M9 M4 {: @) ?! v
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_DIR_INPUT);* x/ \0 U+ j6 g
//GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_DIR_INPUT);+ }3 X q4 G2 r4 v1 ?/ c4 G
/*Set the AD7606_PAR_BUSY to the Falling Edge Interrupt*/- J+ N r: f" i9 |/ ^: B, p
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_INT_TYPE_FALLEDGE);9 z) g7 W3 ~0 W$ N7 @5 q
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_INT_TYPE_FALLEDGE);
% T" u/ U+ Z' |& V" i8 A' [! k GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_INT_TYPE_FALLEDGE);
+ v( T8 d# x9 X- N$ a //GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_INT_TYPE_FALLEDGE);
! t2 Y1 G# x5 C2 J/ M /*The interrupt setting allows AD7606_PAR_BUSY_GPIO_BANK*/* f' A% [& w+ l4 D' u% m
GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);$ M& [1 s" Z; [% `# u6 G( Q
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GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_DIR_OUTPUT);
: W* h5 |1 o3 U- S3 o+ G- ^2 l GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_HIGH);
$ B! p# z5 v! {+ V& x s# y Task_sleep(1000); b5 s# _" z8 C! o
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_LOW);
- Z8 m1 Z0 l2 [. r7 F Task_sleep(1000);
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) s( m0 X2 C/ e9 g /*Set the AD7606_PAR_CONVST to output mode*/( a% y0 h+ T* I, ?; S" ]8 ?( D# `& I0 q
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_DIR_OUTPUT);- ?" X( i# b. ]5 t/ |. u0 N: S
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW); e. F" e. B% P4 T2 ~3 h
& T6 [% E: T& W5 l. ~. G) D9 Z GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_DIR_OUTPUT);
* Y, o8 w) g& s0 S) [ GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_PIN_HIGH);
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}
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static void ad7606_busy_hwi(UArg ad_addr) {
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/* Disable the interrupts for pins of bank AD7606_PAR_BUSY in GPIO.*/
3 N3 O" f. `) g/ N2 {! R A GPIOBankIntDisable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK); //用仿真器debug,发现程序能进入这里。& l& a3 S% E4 Y; ?7 `" Z; e, s
1 w M( }! l2 E if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1) == GPIO_INT_PEND)
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% j7 V z5 Z1 `; ]1 |2 \4 }; W! y3 @ 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。0 F; s! ], H2 e: ^/ X
cs_addr = SOC_EMIFA_CS5_ADDR ;& h& ^3 P% ]1 }) f4 ^3 w" {2 Z
internal = 0 ;& d. ^4 E d) n: u% F# O# m
int_flag[0] = 1 ;
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1 i& ]* C6 c0 G/ v' ? if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2) == GPIO_INT_PEND)9 p, J2 h3 d7 x4 `) G. K6 A
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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。1 u# v* Q: s- A6 v0 @- o
cs_addr = SOC_EMIFA_CS4_ADDR ;) I4 Z1 a# F# ?- A8 b
internal = 6 ;
: n7 N4 o* L% f int_flag[1] = 1 ;5 C6 E! i- N) |5 ~/ j
}# F' S: R$ l2 I& d" Y* p5 x. M5 b
if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C) == GPIO_INT_PEND)
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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。
0 U5 R/ n/ K2 i cs_addr = SOC_EMIFA_CS2_ADDR ;+ Z- Y4 B1 ]0 g6 w# k; g* r2 M+ ]
internal = 12 ;
3 {" ~5 C0 h `/ w" Z6 H8 u int_flag[2] = 1 ;9 F6 ^+ g, A4 E/ T% A1 w/ j& U5 H% f
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. O7 y( M: \) a. O GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);
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3 \; I1 K4 N2 Z5 {6 P3 Q8 }! T GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);( H' R5 |5 \9 J! X' `
}
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