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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:
! }! W! o, {5 @2 u& ~#define AD7606_PAR_BUSY_GPIO_BANK 50 u F: }2 z0 T f
#define AD7606_PAR_BUSY_GPIO_BANK_INT SYS_INT_GPIO_B5INT
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% u6 c2 H* B( Z7 N/ j, r: V#define AD7606_PAR_BUSY_V1 GPIO_TO_PIN(5, 11) //BANK5的中断口5.11
5 R( r4 s& J3 r& J# X6 P* a; {#define AD7606_PAR_BUSY_V2 GPIO_TO_PIN(5, 9) //BANK5的中断口5.9. ?2 }. t: S6 K, j9 y
#define AD7606_PAR_BUSY_C GPIO_TO_PIN(5, 5) //BANK5的中断口5.5
8 c* g( I: p' k2 I9 _#define AD7606_PAR_BUSY GPIO_TO_PIN(5, 4): Q/ ]6 k- G5 e- @$ B0 T
1 f- g3 F" y" }( ~, H1 A9 L#define AD7606_PAR_CONVST GPIO_TO_PIN(5, 1)5 Z5 F6 [7 X2 ~5 {' R8 R2 V$ W4 ]
#define AD7606_PAR_RD GPIO_TO_PIN(5, 2)6 J& k/ j( X% r. B2 b1 l' [5 R
#define AD7606_PAR_RESET GPIO_TO_PIN(5, 0)
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; l. ~0 C0 r) o5 Q- t3 L# K" Estatic void ad7606_irq_setup(ad7606 *ad) {8 Z1 F: ^& R/ F U
Hwi_Params hwiParams;
4 m0 O* x* k4 o* y- z Hwi_Handle myHwi;& D$ V9 T2 j, ]3 B/ e# K. P
Error_Block eb;
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Y$ ]. k* H: [! F Error_init(&eb);6 j( ] ? B b7 j( \
Hwi_Params_init(&hwiParams);
) C; Z% @. n2 k hwiParams.arg = (unsigned int)ad;5 g, r% I) [" a+ C! v
hwiParams.enableInt = FALSE;
0 y. Z' W' N0 o8 J hwiParams.eventId = SYS_INT_GPIO_B5INT;# P$ r" g) H) |3 s" [
hwiParams.priority = 4; |: ~5 h- G. Z& r- }
myHwi = Hwi_create(8, ad7606_busy_hwi, &hwiParams, &eb); //注册BANK5中断处理函数
2 Y: ]2 n, u, }4 V7 ` if (myHwi == NULL)
$ d7 Y8 I4 m! f g- B! S& H1 w LOG_FATAL("failed to create hwi");" Q2 f7 Y+ a+ {3 \* V
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/* enable both interrupts */
6 G: T8 H! O, K9 K- k Hwi_enableInterrupt(ad->irq_event);# c. k! x+ J6 O2 O
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static void ad7606_gpio_pinmux_setup(ad7606 *ad) {3 o( c8 } P) D" J! O; z+ y E. t5 A8 G/ s
volatile unsigned int savePinMux = 0;0 K5 }: u. y9 B& T, Z( S
//初始化5.11、5.9 、 5.5为GPIO口: U/ N% G" v5 _% E/ E/ m6 `1 `
savePinMux = HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) & (~(SYSCFG_PINMUX11_PINMUX11_27_24 | SYSCFG_PINMUX11_PINMUX11_19_16));, X+ J0 N5 S- B, W
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HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_PINMUX(11)) = (PINMUX11_BUSY_V1_ENABLE | PINMUX11_BUSY_V2_ENABLE | savePinMux);
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) S( v8 J; [' U- E B! V 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 s! u5 |# ]9 Q- r
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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);; B, j0 s' b5 ^+ U
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}
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& j% q4 N, S( g0 g/ Q9 ystatic void ad7606_gpio_setup(ad7606 *ad) {0 R& P" R; V0 i' a
/*Set the AD7606_PAR_BUSY to the input mode*/
# G: F7 S8 z& S+ J% Q) `. s- S6 Q+ _ //初始化5.11、5.9 、 5.5为中断口
8 q6 _+ w% I% `5 I9 Q GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_DIR_INPUT);
9 Z# h. i/ v% ?0 H! L7 U4 C- J GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_DIR_INPUT);
( o, m! \# U4 q GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_DIR_INPUT);
. Q1 N- Y6 {( T$ {4 I2 L) F! ~! O# h //GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_DIR_INPUT);
# _/ {8 b4 T6 h7 F* ~- A3 | { /*Set the AD7606_PAR_BUSY to the Falling Edge Interrupt*/9 {/ {7 E1 Y! T! d! Z* U
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1, GPIO_INT_TYPE_FALLEDGE);: q9 j7 F) k0 ^- u. H+ f, G0 ]
GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V2, GPIO_INT_TYPE_FALLEDGE);
/ N" ]" t- ^& l) }. t' ~ GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_C, GPIO_INT_TYPE_FALLEDGE);
: J5 K# B/ d5 A& r //GPIOIntTypeSet(SOC_GPIO_0_REGS, AD7606_PAR_BUSY, GPIO_INT_TYPE_FALLEDGE);/ X0 Y( @6 D/ m4 h
/*The interrupt setting allows AD7606_PAR_BUSY_GPIO_BANK*/# y: R1 Q2 U$ r+ w0 Y# N
GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);- J" ~5 q+ N7 P1 h' J
$ C' L1 J% X7 ?; k5 O5 o5 [2 { GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_DIR_OUTPUT);+ f9 g8 F; @" A7 X! j0 A3 h
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_HIGH);7 x+ F" c- x4 E9 @, E% e
Task_sleep(1000);' Z2 B2 e( t1 m S
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RESET, GPIO_PIN_LOW);
( E% L$ V. m' B5 h& o3 ` O V, C Task_sleep(1000);
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/*Set the AD7606_PAR_CONVST to output mode*/$ t( s& K+ A1 I2 w5 u
GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_DIR_OUTPUT);6 f; n9 y+ l! _$ @
GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);
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. k0 e. c, c* C) _* z, c GPIODirModeSet(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_DIR_OUTPUT);
& Z% l; u8 P9 Q: Z. p, x GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_RD, GPIO_PIN_HIGH);
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static void ad7606_busy_hwi(UArg ad_addr) {+ B# ^1 d/ r3 i! K |/ V0 ~
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1 g# ?% X% O: }' W$ ?4 p1 u' W /* Disable the interrupts for pins of bank AD7606_PAR_BUSY in GPIO.*/4 l* q; |. r, w; u5 e4 G8 `2 T
GPIOBankIntDisable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK); //用仿真器debug,发现程序能进入这里。( V# \" a% s- a/ N
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if(GPIOPinIntStatus(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_V1) == GPIO_INT_PEND), ~9 B4 l. j$ A
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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。# M+ q. B! e0 T# F2 G( B; Z$ ^
cs_addr = SOC_EMIFA_CS5_ADDR ;: s6 h9 R. _' R: ^: q+ `8 y W
internal = 0 ;
8 p% Y+ P( t6 u1 ~" P int_flag[0] = 1 ;3 ]2 I! j. l# e+ P K% W
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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。
# x: C8 T/ s1 \ cs_addr = SOC_EMIFA_CS4_ADDR ;
; j; l# v9 }9 @) @4 [! ? internal = 6 ;
; I& H7 z; q7 l: z% a, S4 ?( s int_flag[1] = 1 ;
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7 T A/ s: r* W' m; V 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。
( M6 E4 j. Y3 L6 G; ~ cs_addr = SOC_EMIFA_CS2_ADDR ;3 w7 l# o# w: j2 C
internal = 12 ;/ y8 F0 c0 l! W; m- K& K
int_flag[2] = 1 ;
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GPIOPinWrite(SOC_GPIO_0_REGS, AD7606_PAR_CONVST, GPIO_PIN_LOW);( R1 H# v n: c( k& s/ `( z: a
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GPIOBankIntEnable(SOC_GPIO_0_REGS, AD7606_PAR_BUSY_GPIO_BANK);% ~5 _9 V) l$ B4 _/ {* n
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