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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:, Z4 X4 r8 C/ }3 d5 y% |3 Z2 a
#define AD7606_PAR_BUSY_GPIO_BANK 5
- g; t' w: o- i6 U#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
( S' y0 N" S( A5 G/ ^4 M$ @#define AD7606_PAR_BUSY_V2 GPIO_TO_PIN(5, 9) //BANK5的中断口5.9
0 \& |# P- n ^2 |' B7 J# ~#define AD7606_PAR_BUSY_C GPIO_TO_PIN(5, 5) //BANK5的中断口5.5
% j9 v* {7 a# _8 }! ^$ `6 W4 A5 j' ^#define AD7606_PAR_BUSY GPIO_TO_PIN(5, 4): D; P) `* f* b2 n3 `
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#define AD7606_PAR_CONVST GPIO_TO_PIN(5, 1)
t, ^5 S1 h/ D+ [#define AD7606_PAR_RD GPIO_TO_PIN(5, 2)
* d- I7 o& D, G8 v9 K" l4 n( |0 s3 @#define AD7606_PAR_RESET GPIO_TO_PIN(5, 0)
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- y- X8 k0 e! I. vstatic void ad7606_irq_setup(ad7606 *ad) {) V9 w! j0 }5 d0 p/ E$ R* q
Hwi_Params hwiParams;
5 G7 K8 U, Q0 x2 m2 l3 }/ A& D Hwi_Handle myHwi;, s" P) z+ C) t/ p r, R
Error_Block eb;
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0 ` m4 Z. V6 X9 T5 k% j$ U& i Error_init(&eb);6 g6 _+ k+ o# ]4 c# [+ L
Hwi_Params_init(&hwiParams);( n& U( y3 y: p R
hwiParams.arg = (unsigned int)ad;
: d) A$ x- B' v2 y3 h hwiParams.enableInt = FALSE;
8 b% |# T/ g; ~2 J! P6 z6 s hwiParams.eventId = SYS_INT_GPIO_B5INT;) y1 x U; u$ _; }0 P
hwiParams.priority = 4;
+ o( }' M! I _' w1 s2 V9 _ myHwi = Hwi_create(8, ad7606_busy_hwi, &hwiParams, &eb); //注册BANK5中断处理函数
# ~9 I* k' J- e6 W& t if (myHwi == NULL)
" L+ U0 `; F6 n$ q* ^' S LOG_FATAL("failed to create hwi");
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/* enable both interrupts */6 f2 ]8 w6 h, B$ t* f1 B. i
Hwi_enableInterrupt(ad->irq_event);
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static void ad7606_gpio_pinmux_setup(ad7606 *ad) {
& B4 a, v0 Q" |# n2 F6 x! p7 `( c volatile unsigned int savePinMux = 0;& ^3 O4 U) w: F7 Q- X& f
//初始化5.11、5.9 、 5.5为GPIO口
, {# Y; k0 B: k; R4 T3 z, } savePinMux = HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) & (~(SYSCFG_PINMUX11_PINMUX11_27_24 | SYSCFG_PINMUX11_PINMUX11_19_16));: R( q% D. K! Q, n" u
' {! M. z/ w2 |: {% p- p# G: F0 f HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) = (PINMUX11_BUSY_V1_ENABLE | PINMUX11_BUSY_V2_ENABLE | savePinMux);7 B& m: R! r) H! S o- S
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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));1 V4 V8 R2 Z% n/ Y/ E3 V/ p
6 |+ o, C% i0 d9 ~ HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(12)) = (PINMUX12_RESET_ENABLE | PINMUX12_CONVST_ENABLE | PINMUX12_RD_ENABLE | PINMUX12_BUSY_C_ENABLE | savePinMux);" q# q1 K+ U( ~9 `
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) N5 \. H) x D/ }- ?! cstatic void ad7606_gpio_setup(ad7606 *ad) {
5 D0 u$ Q4 C' C+ h /*Set the AD7606_PAR_BUSY to the input mode*/
' M: M, i! U$ u //初始化5.11、5.9 、 5.5为中断口+ Z7 W) F3 f3 a4 a
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_DIR_INPUT);
* @8 @% {: x' a- D# S& C2 e GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_DIR_INPUT);# S' V7 t. b4 C* }/ {9 i7 F
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_DIR_INPUT);, ]5 l7 r* A' N: \* M. X2 t
//GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_DIR_INPUT);6 F; _* G& Z) n
/*Set the AD7606_PAR_BUSY to the Falling Edge Interrupt*/
: Y2 C- _6 \5 k6 j GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_INT_TYPE_FALLEDGE);! H6 H5 C; i9 L8 q! v# n+ K) m* Y( r
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_INT_TYPE_FALLEDGE);
1 r% h* B; e! C( @! `9 y GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_INT_TYPE_FALLEDGE);4 |) b& E8 Y* J* L& x5 g5 f: t( {
//GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_INT_TYPE_FALLEDGE); Z, O" G2 t( U& f2 }5 R
/*The interrupt setting allows AD7606_PAR_BUSY_GPIO_BANK*/9 y8 t) \8 E' y, q
GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);& k" E, r" r4 L0 W/ V' z
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GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_DIR_OUTPUT);
8 [: ^! @% \3 F; E GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_HIGH);7 \! r! }: o3 e- r5 S
Task_sleep(1000);
9 q2 b! ]- H0 S* L" u: z6 m/ y GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_LOW);$ p& d2 R# t/ g% o; G
Task_sleep(1000);
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/*Set the AD7606_PAR_CONVST to output mode*/5 V0 E6 @# G/ q& [
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_DIR_OUTPUT);
2 r, S& [; I+ h F1 d GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);
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GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_DIR_OUTPUT);
, H& v+ i6 Z3 o) i GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_PIN_HIGH);- s1 I0 y8 S9 d' M: L0 E
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static void ad7606_busy_hwi(UArg ad_addr) {* V% L( H/ w4 j Z+ I/ ~5 J+ ?9 D
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/* Disable the interrupts for pins of bank AD7606_PAR_BUSY in GPIO.*/4 u% Z3 E8 b _4 n
GPIOBankIntDisable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK); //用仿真器debug,发现程序能进入这里。
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if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1) == GPIO_INT_PEND)
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& s! H$ B m1 S" P6 k `: C 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。4 K3 S% v a- [6 @
cs_addr = SOC_EMIFA_CS5_ADDR ;- Y- P9 T& S: i# j
internal = 0 ; G3 Q. O4 k% j3 w9 z
int_flag[0] = 1 ;3 @, _: A( V) ]2 L. }% x" C9 h
}
) q0 f1 L: V: c/ }9 | if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2) == GPIO_INT_PEND)1 c; H4 x2 ?$ n& z, _8 K
{
5 V# K |& X) O) O) a* b, q 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。, B6 j4 e. y4 }5 z
cs_addr = SOC_EMIFA_CS4_ADDR ;
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int_flag[1] = 1 ;- l. ], r. h/ o; u$ B* M/ r4 N
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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。# p4 T2 G7 s3 F! Q, ^ @0 ~
cs_addr = SOC_EMIFA_CS2_ADDR ;1 B V* ^% n' `1 |, \
internal = 12 ;
" |- g. N$ @5 j" [. v( s; B, c+ C int_flag[2] = 1 ;
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/ w7 Z* _! U5 u% w4 ~8 a GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);! T1 U* }9 l5 G# D e
0 o0 R4 X: J" o' U, ~/ H GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);+ J* {. u4 v ~" M1 T& H
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