From 3d22dac649628f49b9c489dee88ce36a9926f0b4 Mon Sep 17 00:00:00 2001 From: IOsetting Date: Wed, 9 Feb 2022 14:49:48 +0800 Subject: [PATCH] style: code format --- demo/usb/usb_keyboard.c | 292 +++++++++++++++++++--------------------- 1 file changed, 141 insertions(+), 151 deletions(-) diff --git a/demo/usb/usb_keyboard.c b/demo/usb/usb_keyboard.c index 6e147da..a930f5b 100644 --- a/demo/usb/usb_keyboard.c +++ b/demo/usb/usb_keyboard.c @@ -23,8 +23,6 @@ #include "fw_hal.h" #include -#define MAIN_Fosc 24000000L -#define Timer0_Reload (65536UL -(MAIN_Fosc / 1000)) //Timer 0 frequency 1000Hz #define KeyIO P0 __BIT B_1ms; // 1ms flag @@ -53,13 +51,12 @@ void USB_Init(void); void KeyScan(void); void SendKeyStatus(void); - void main() { uint8_t i; GPIO_P1_SetMode(GPIO_Pin_All, GPIO_Mode_InOut_QBD); - GPIO_P3_SetMode(GPIO_Pin_0|GPIO_Pin_1, GPIO_Mode_Input_HIP); + GPIO_P3_SetMode(GPIO_Pin_0 | GPIO_Pin_1, GPIO_Mode_Input_HIP); GPIO_P6_SetMode(GPIO_Pin_All, GPIO_Mode_Output_PP); USB_Init(); @@ -70,22 +67,22 @@ void main() TIM_Timer0_SetRunState(HAL_State_ON); EXTI_Global_SetIntState(HAL_State_ON); - for(i = 0; i < 8; i++) + for (i = 0; i < 8; i++) { - HidInput[i]=0; + HidInput[i] = 0; } while (1) { - if(B_1ms) // every 1 ms + if (B_1ms) // every 1 ms { B_1ms = 0; - if(++cnt50ms >= 50) // scan every 50 ms + if (++cnt50ms >= 50) // scan every 50 ms { cnt50ms = 0; KeyScan(); } - if(KeyChangeFlag) // if key status changed + if (KeyChangeFlag) // if key status changed { KeyChangeFlag = 0; SendKeyStatus(); @@ -157,81 +154,81 @@ INTERRUPT(USB_Routine, EXTI_VectUSB) switch (usb_request.bmRequestType & REQUEST_TYPE_MASK) { case USB_RequestType_Standard: - switch (usb_request.bRequest) - { - case USB_StdReq_SetAddress: - USB_WriteReg(FADDR, usb_request.wValue.bb.bl); - break; - - case USB_StdReq_SetConfiguration: - USB_SelectEndPoint(1); - USB_WriteReg(INCSR2, INMODEIN); - USB_WriteReg(INMAXP, 8); - USB_SelectEndPoint(1); - USB_WriteReg(INCSR2, INMODEOUT); - USB_WriteReg(OUTMAXP, 8); - USB_SelectEndPoint(0); - break; + switch (usb_request.bRequest) + { + case USB_StdReq_SetAddress: + USB_WriteReg(FADDR, usb_request.wValue.bb.bl); + break; - case USB_StdReq_GetDescriptor: - USB_EP0_Stage.bStage = USB_CtrlState_DataIn; - switch (usb_request.wValue.bb.bh) - { - case USB_DescriptorType_Device: - USB_EP0_Stage.pData = (uint8_t *)DEVICEDESC; - len = sizeof(DEVICEDESC); - break; - - case USB_DescriptorType_Configuration: - USB_EP0_Stage.pData = (uint8_t *)CONFIGDESC; - len = sizeof(CONFIGDESC); - break; - - case USB_DescriptorType_String: - switch (usb_request.wValue.bb.bl) - { - case 0: - USB_EP0_Stage.pData = (uint8_t *)LANGIDDESC; - len = sizeof(LANGIDDESC); - break; - - case 1: - USB_EP0_Stage.pData = (uint8_t *)MANUFACTDESC; - len = sizeof(MANUFACTDESC); - break; - - case 2: - USB_EP0_Stage.pData = (uint8_t *)PRODUCTDESC; - len = sizeof(PRODUCTDESC); - break; - - default: - USB_EP0_Stage.bStage = USB_CtrlState_Stalled; - break; - } - break; - - case USB_DescriptorType_Report: - USB_EP0_Stage.pData = (uint8_t *)HIDREPORTDESC; - len = sizeof(HIDREPORTDESC); - break; - - default: - USB_EP0_Stage.bStage = USB_CtrlState_Stalled; - break; - } - if (len < USB_EP0_Stage.wResidue) - { - USB_EP0_Stage.wResidue = len; - } + case USB_StdReq_SetConfiguration: + USB_SelectEndPoint(1); + USB_WriteReg(INCSR2, INMODEIN); + USB_WriteReg(INMAXP, 8); + USB_SelectEndPoint(1); + USB_WriteReg(INCSR2, INMODEOUT); + USB_WriteReg(OUTMAXP, 8); + USB_SelectEndPoint(0); + break; + + case USB_StdReq_GetDescriptor: + USB_EP0_Stage.bStage = USB_CtrlState_DataIn; + switch (usb_request.wValue.bb.bh) + { + case USB_DescriptorType_Device: + USB_EP0_Stage.pData = (uint8_t *)DEVICEDESC; + len = sizeof(DEVICEDESC); + break; + + case USB_DescriptorType_Configuration: + USB_EP0_Stage.pData = (uint8_t *)CONFIGDESC; + len = sizeof(CONFIGDESC); + break; + + case USB_DescriptorType_String: + switch (usb_request.wValue.bb.bl) + { + case 0: + USB_EP0_Stage.pData = (uint8_t *)LANGIDDESC; + len = sizeof(LANGIDDESC); + break; + + case 1: + USB_EP0_Stage.pData = (uint8_t *)MANUFACTDESC; + len = sizeof(MANUFACTDESC); + break; + + case 2: + USB_EP0_Stage.pData = (uint8_t *)PRODUCTDESC; + len = sizeof(PRODUCTDESC); + break; + + default: + USB_EP0_Stage.bStage = USB_CtrlState_Stalled; + break; + } + break; + + case USB_DescriptorType_Report: + USB_EP0_Stage.pData = (uint8_t *)HIDREPORTDESC; + len = sizeof(HIDREPORTDESC); + break; + + default: + USB_EP0_Stage.bStage = USB_CtrlState_Stalled; + break; + } + if (len < USB_EP0_Stage.wResidue) + { + USB_EP0_Stage.wResidue = len; + } + break; + + default: + USB_EP0_Stage.bStage = USB_CtrlState_Stalled; + break; + } break; - - default: - USB_EP0_Stage.bStage = USB_CtrlState_Stalled; - break; - } - break; - + case USB_RequestType_Class: switch (usb_request.bRequest) { @@ -239,15 +236,15 @@ INTERRUPT(USB_Routine, EXTI_VectUSB) USB_EP0_Stage.pData = HidFreature; USB_EP0_Stage.bStage = USB_CtrlState_DataIn; break; - + case USB_HidReq_SetReport: USB_EP0_Stage.pData = HidFreature; USB_EP0_Stage.bStage = USB_CtrlState_DataOut; break; - + case USB_HidReq_SetIdle: break; - + // case USB_HidReq_GetIdle: // case USB_HidReq_GetProtocol: // case USB_HidReq_SetProtocol: @@ -255,33 +252,33 @@ INTERRUPT(USB_Routine, EXTI_VectUSB) USB_EP0_Stage.bStage = USB_CtrlState_Stalled; break; } - break; - + break; + default: USB_EP0_Stage.bStage = USB_CtrlState_Stalled; - break; + break; } - + switch (USB_EP0_Stage.bStage) { case USB_CtrlState_DataIn: USB_WriteReg(CSR0, SOPRDY); goto L_Ep0SendData; - break; - + break; + case USB_CtrlState_DataOut: USB_WriteReg(CSR0, SOPRDY); - break; - + break; + case USB_CtrlState_SettingUp: USB_WriteReg(CSR0, SOPRDY | DATEND); USB_EP0_Stage.bStage = USB_CtrlState_Idle; - break; - + break; + case USB_CtrlState_Stalled: USB_WriteReg(CSR0, SOPRDY | SDSTL); USB_EP0_Stage.bStage = USB_CtrlState_Idle; - break; + break; } } break; @@ -304,25 +301,25 @@ INTERRUPT(USB_Routine, EXTI_VectUSB) USB_WriteReg(CSR0, IPRDY); } } - break; - + break; + case USB_CtrlState_DataOut: - if (csr & OPRDY) - { - cnt = USB_ReadFIFO(FIFO0, USB_EP0_Stage.pData); - USB_EP0_Stage.wResidue -= cnt; - USB_EP0_Stage.pData += cnt; - if (USB_EP0_Stage.wResidue == 0) + if (csr & OPRDY) { - USB_WriteReg(CSR0, SOPRDY | DATEND); - USB_EP0_Stage.bStage = USB_CtrlState_Idle; + cnt = USB_ReadFIFO(FIFO0, USB_EP0_Stage.pData); + USB_EP0_Stage.wResidue -= cnt; + USB_EP0_Stage.pData += cnt; + if (USB_EP0_Stage.wResidue == 0) + { + USB_WriteReg(CSR0, SOPRDY | DATEND); + USB_EP0_Stage.bStage = USB_CtrlState_Idle; + } + else + { + USB_WriteReg(CSR0, SOPRDY); + } } - else - { - USB_WriteReg(CSR0, SOPRDY); - } - } - break; + break; } } @@ -363,9 +360,9 @@ uint8_t KeyCount(uint16_t dat) uint8_t i; i = 0; - while(dat) + while (dat) { - if(dat & 0x8000) i++; + if (dat & 0x8000) i++; dat <<= 1; } return i; @@ -378,7 +375,7 @@ void SendKeyStatus(void) if(KeyCode) // if key pressed { - // 4*4 key matrix，max 3 keys pressed simultaneously + // allow 3 keys pressed simultaneously if(KeyCount(KeyCode) > 3) { return; // too many keys @@ -386,11 +383,11 @@ void SendKeyStatus(void) else { n = 2; - for(i=0;i<16;i++) + for (i = 0; i < 16; i++) { - if(i == 1) + if (i == 1) { - if(KeyCode & (1<= 1) + if (KeyHoldTime >= 1) { KeyHoldTime = 1; KeyCode = OldKeyCode; - if(KeyChangeTemp) + if (KeyChangeTemp) { KeyChangeTemp = 0; - KeyChangeFlag = 1; // Set send flag + KeyChangeFlag = 1; // Set send flag } } }