19 changed files with 1101 additions and 8 deletions
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+56 -0CH552/CH552.ino
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+284 -0CH552/src/userUsbHidKeyboard/USBHIDKeyboard.c
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+77 -0CH552/src/userUsbHidKeyboard/USBHIDKeyboard.h
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+88 -0CH552/src/userUsbHidKeyboard/USBconstant.c
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+27 -0CH552/src/userUsbHidKeyboard/USBconstant.h
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+485 -0CH552/src/userUsbHidKeyboard/USBhandler.c
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+61 -0CH552/src/userUsbHidKeyboard/USBhandler.h
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+22 -7README.md
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+0 -0RP2040/lib/adafruit_debouncer.mpy
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+0 -0RP2040/lib/adafruit_hid/__init__.mpy
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+0 -0RP2040/lib/adafruit_hid/consumer_control.mpy
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+0 -0RP2040/lib/adafruit_hid/consumer_control_code.mpy
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+0 -0RP2040/lib/adafruit_hid/keyboard.mpy
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+0 -0RP2040/lib/adafruit_hid/keyboard_layout_base.mpy
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+0 -0RP2040/lib/adafruit_hid/keyboard_layout_us.mpy
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+0 -0RP2040/lib/adafruit_hid/keycode.mpy
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+0 -0RP2040/lib/adafruit_hid/mouse.mpy
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+0 -0RP2040/lib/adafruit_ticks.mpy
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+1 -1RP2040/main.py
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CH552/CH552.ino
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| @ -0,0 +1,56 @@ | |||
| /* | |||
| Pedal to Key takes in 2 (drum pedal) inputs and turns | |||
| them into two separate key presses | |||
| Created in 2023 | |||
| by Brett Bender for Will Dean of UW-Stout PONG | |||
| This code is licensed under the MIT License | |||
| */ | |||
| #ifndef USER_USB_RAM | |||
| #error "This program needs to be compiled with a USER USB setting" | |||
| #endif | |||
| #include "src/userUsbHidKeyboard/USBHIDKeyboard.h" | |||
| #define BUTTON1_PIN 33 | |||
| #define BUTTON1_CHAR 'd' | |||
| #define BUTTON2_PIN 32 | |||
| #define BUTTON2_CHAR 'k' | |||
| bool button1PressPrev = false; | |||
| bool button2PressPrev = false; | |||
| void setup() { | |||
| USBInit(); | |||
| pinMode(BUTTON1_PIN, INPUT_PULLUP); | |||
| pinMode(BUTTON2_PIN, INPUT_PULLUP); | |||
| } | |||
| void loop() { | |||
| //button 1 is mapped to letter 'd' | |||
| bool button1Press = !digitalRead(BUTTON1_PIN); | |||
| if (button1PressPrev != button1Press) { | |||
| button1PressPrev = button1Press; | |||
| if (button1Press) { | |||
| Keyboard_press(BUTTON1_CHAR); | |||
| } else { | |||
| Keyboard_release(BUTTON1_CHAR); | |||
| } | |||
| } | |||
| //button 2 is mapped to letter 'd' | |||
| bool button2Press = !digitalRead(BUTTON2_PIN); | |||
| if (button2PressPrev != button2Press) { | |||
| button2PressPrev = button2Press; | |||
| if (button2Press) { | |||
| Keyboard_press(BUTTON2_CHAR); | |||
| } else { | |||
| Keyboard_release(BUTTON2_CHAR); | |||
| } | |||
| } | |||
| delay(50); //naive debouncing | |||
| } | |||
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CH552/src/userUsbHidKeyboard/USBHIDKeyboard.c
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| @ -0,0 +1,284 @@ | |||
| #include <stdint.h> | |||
| #include <stdbool.h> | |||
| #include "include/ch5xx.h" | |||
| #include "include/ch5xx_usb.h" | |||
| #include "USBconstant.h" | |||
| #include "USBhandler.h" | |||
| extern __xdata __at (EP0_ADDR) uint8_t Ep0Buffer[]; | |||
| extern __xdata __at (EP1_ADDR) uint8_t Ep1Buffer[]; | |||
| volatile __xdata uint8_t UpPoint1_Busy = 0; //Flag of whether upload pointer is busy | |||
| __xdata uint8_t HIDKey[8] = {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}; | |||
| #define SHIFT 0x80 | |||
| __code uint8_t _asciimap[128] = | |||
| { | |||
| 0x00, // NUL | |||
| 0x00, // SOH | |||
| 0x00, // STX | |||
| 0x00, // ETX | |||
| 0x00, // EOT | |||
| 0x00, // ENQ | |||
| 0x00, // ACK | |||
| 0x00, // BEL | |||
| 0x2a, // BS Backspace | |||
| 0x2b, // TAB Tab | |||
| 0x28, // LF Enter | |||
| 0x00, // VT | |||
| 0x00, // FF | |||
| 0x00, // CR | |||
| 0x00, // SO | |||
| 0x00, // SI | |||
| 0x00, // DEL | |||
| 0x00, // DC1 | |||
| 0x00, // DC2 | |||
| 0x00, // DC3 | |||
| 0x00, // DC4 | |||
| 0x00, // NAK | |||
| 0x00, // SYN | |||
| 0x00, // ETB | |||
| 0x00, // CAN | |||
| 0x00, // EM | |||
| 0x00, // SUB | |||
| 0x00, // ESC | |||
| 0x00, // FS | |||
| 0x00, // GS | |||
| 0x00, // RS | |||
| 0x00, // US | |||
| 0x2c, // ' ' | |||
| 0x1e|SHIFT, // ! | |||
| 0x34|SHIFT, // " | |||
| 0x20|SHIFT, // # | |||
| 0x21|SHIFT, // $ | |||
| 0x22|SHIFT, // % | |||
| 0x24|SHIFT, // & | |||
| 0x34, // ' | |||
| 0x26|SHIFT, // ( | |||
| 0x27|SHIFT, // ) | |||
| 0x25|SHIFT, // * | |||
| 0x2e|SHIFT, // + | |||
| 0x36, // , | |||
| 0x2d, // - | |||
| 0x37, // . | |||
| 0x38, // / | |||
| 0x27, // 0 | |||
| 0x1e, // 1 | |||
| 0x1f, // 2 | |||
| 0x20, // 3 | |||
| 0x21, // 4 | |||
| 0x22, // 5 | |||
| 0x23, // 6 | |||
| 0x24, // 7 | |||
| 0x25, // 8 | |||
| 0x26, // 9 | |||
| 0x33|SHIFT, // : | |||
| 0x33, // ; | |||
| 0x36|SHIFT, // < | |||
| 0x2e, // = | |||
| 0x37|SHIFT, // > | |||
| 0x38|SHIFT, // ? | |||
| 0x1f|SHIFT, // @ | |||
| 0x04|SHIFT, // A | |||
| 0x05|SHIFT, // B | |||
| 0x06|SHIFT, // C | |||
| 0x07|SHIFT, // D | |||
| 0x08|SHIFT, // E | |||
| 0x09|SHIFT, // F | |||
| 0x0a|SHIFT, // G | |||
| 0x0b|SHIFT, // H | |||
| 0x0c|SHIFT, // I | |||
| 0x0d|SHIFT, // J | |||
| 0x0e|SHIFT, // K | |||
| 0x0f|SHIFT, // L | |||
| 0x10|SHIFT, // M | |||
| 0x11|SHIFT, // N | |||
| 0x12|SHIFT, // O | |||
| 0x13|SHIFT, // P | |||
| 0x14|SHIFT, // Q | |||
| 0x15|SHIFT, // R | |||
| 0x16|SHIFT, // S | |||
| 0x17|SHIFT, // T | |||
| 0x18|SHIFT, // U | |||
| 0x19|SHIFT, // V | |||
| 0x1a|SHIFT, // W | |||
| 0x1b|SHIFT, // X | |||
| 0x1c|SHIFT, // Y | |||
| 0x1d|SHIFT, // Z | |||
| 0x2f, // [ | |||
| 0x31, // bslash | |||
| 0x30, // ] | |||
| 0x23|SHIFT, // ^ | |||
| 0x2d|SHIFT, // _ | |||
| 0x35, // ` | |||
| 0x04, // a | |||
| 0x05, // b | |||
| 0x06, // c | |||
| 0x07, // d | |||
| 0x08, // e | |||
| 0x09, // f | |||
| 0x0a, // g | |||
| 0x0b, // h | |||
| 0x0c, // i | |||
| 0x0d, // j | |||
| 0x0e, // k | |||
| 0x0f, // l | |||
| 0x10, // m | |||
| 0x11, // n | |||
| 0x12, // o | |||
| 0x13, // p | |||
| 0x14, // q | |||
| 0x15, // r | |||
| 0x16, // s | |||
| 0x17, // t | |||
| 0x18, // u | |||
| 0x19, // v | |||
| 0x1a, // w | |||
| 0x1b, // x | |||
| 0x1c, // y | |||
| 0x1d, // z | |||
| 0x2f|SHIFT, // { | |||
| 0x31|SHIFT, // | | |||
| 0x30|SHIFT, // } | |||
| 0x35|SHIFT, // ~ | |||
| 0 // DEL | |||
| }; | |||
| typedef void( *pTaskFn)( void ); | |||
| void delayMicroseconds(uint16_t us); | |||
| void USBInit(){ | |||
| USBDeviceCfg(); //Device mode configuration | |||
| USBDeviceEndPointCfg(); //Endpoint configuration | |||
| USBDeviceIntCfg(); //Interrupt configuration | |||
| UEP0_T_LEN = 0; | |||
| UEP1_T_LEN = 0; //Pre-use send length must be cleared | |||
| UEP2_T_LEN = 0; | |||
| } | |||
| void USB_EP1_IN(){ | |||
| UEP1_T_LEN = 0; | |||
| UEP1_CTRL = UEP1_CTRL & ~ MASK_UEP_T_RES | UEP_T_RES_NAK; // Default NAK | |||
| UpPoint1_Busy = 0; //Clear busy flag | |||
| } | |||
| void USB_EP1_OUT(){ | |||
| if ( U_TOG_OK ) // Discard unsynchronized packets | |||
| { | |||
| } | |||
| } | |||
| uint8_t USB_EP1_send(){ | |||
| uint16_t waitWriteCount = 0; | |||
| waitWriteCount = 0; | |||
| while (UpPoint1_Busy){//wait for 250ms or give up | |||
| waitWriteCount++; | |||
| delayMicroseconds(5); | |||
| if (waitWriteCount>=50000) return 0; | |||
| } | |||
| for (uint8_t i=0;i<sizeof(HIDKey);i++){ //load data for upload | |||
| Ep1Buffer[64+i] = HIDKey[i]; | |||
| } | |||
| UEP1_T_LEN = sizeof(HIDKey); //data length | |||
| UpPoint1_Busy = 1; | |||
| UEP1_CTRL = UEP1_CTRL & ~ MASK_UEP_T_RES | UEP_T_RES_ACK; //upload data and respond ACK | |||
| return 1; | |||
| } | |||
| uint8_t Keyboard_press(uint8_t k) { | |||
| uint8_t i; | |||
| if (k >= 136) { // it's a non-printing key (not a modifier) | |||
| k = k - 136; | |||
| } else if (k >= 128) { // it's a modifier key | |||
| HIDKey[0] |= (1<<(k-128)); | |||
| k = 0; | |||
| } else { // it's a printing key | |||
| k = _asciimap[k]; | |||
| if (!k) { | |||
| //setWriteError(); | |||
| return 0; | |||
| } | |||
| if (k & 0x80) { // it's a capital letter or other character reached with shift | |||
| HIDKey[0] |= 0x02; // the left shift modifier | |||
| k &= 0x7F; | |||
| } | |||
| } | |||
| // Add k to the key report only if it's not already present | |||
| // and if there is an empty slot. | |||
| if (HIDKey[2] != k && HIDKey[3] != k && | |||
| HIDKey[4] != k && HIDKey[5] != k && | |||
| HIDKey[6] != k && HIDKey[7] != k) { | |||
| for (i=2; i<8; i++) { | |||
| if (HIDKey[i] == 0x00) { | |||
| HIDKey[i] = k; | |||
| break; | |||
| } | |||
| } | |||
| if (i == 8) { | |||
| //setWriteError(); | |||
| return 0; | |||
| } | |||
| } | |||
| USB_EP1_send(); | |||
| return 1; | |||
| } | |||
| uint8_t Keyboard_release(uint8_t k) { | |||
| uint8_t i; | |||
| if (k >= 136) { // it's a non-printing key (not a modifier) | |||
| k = k - 136; | |||
| } else if (k >= 128) { // it's a modifier key | |||
| HIDKey[0] &= ~(1<<(k-128)); | |||
| k = 0; | |||
| } else { // it's a printing key | |||
| k = _asciimap[k]; | |||
| if (!k) { | |||
| return 0; | |||
| } | |||
| if (k & 0x80) { // it's a capital letter or other character reached with shift | |||
| HIDKey[0] &= ~(0x02); // the left shift modifier | |||
| k &= 0x7F; | |||
| } | |||
| } | |||
| // Test the key report to see if k is present. Clear it if it exists. | |||
| // Check all positions in case the key is present more than once (which it shouldn't be) | |||
| for (i=2; i<8; i++) { | |||
| if (0 != k && HIDKey[i] == k) { | |||
| HIDKey[i] = 0x00; | |||
| } | |||
| } | |||
| USB_EP1_send(); | |||
| return 1; | |||
| } | |||
| void Keyboard_releaseAll(void){ | |||
| for (uint8_t i=0;i<sizeof(HIDKey);i++){ //load data for upload | |||
| HIDKey[i] = 0; | |||
| } | |||
| USB_EP1_send(); | |||
| } | |||
| uint8_t Keyboard_write(uint8_t c){ | |||
| uint8_t p = Keyboard_press(c); // Keydown | |||
| Keyboard_release(c); // Keyup | |||
| return p; // just return the result of press() since release() almost always returns 1 | |||
| } | |||
| uint8_t Keyboard_getLEDStatus(){ | |||
| return Ep1Buffer[0]; //The only info we gets | |||
| } | |||
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CH552/src/userUsbHidKeyboard/USBHIDKeyboard.h
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| @ -0,0 +1,77 @@ | |||
| #ifndef __USB_HID_KBD_H__ | |||
| #define __USB_HID_KBD_H__ | |||
| #include <stdint.h> | |||
| #include "include/ch5xx.h" | |||
| #include "include/ch5xx_usb.h" | |||
| #define KEY_LEFT_CTRL 0x80 | |||
| #define KEY_LEFT_SHIFT 0x81 | |||
| #define KEY_LEFT_ALT 0x82 | |||
| #define KEY_LEFT_GUI 0x83 | |||
| #define KEY_RIGHT_CTRL 0x84 | |||
| #define KEY_RIGHT_SHIFT 0x85 | |||
| #define KEY_RIGHT_ALT 0x86 | |||
| #define KEY_RIGHT_GUI 0x87 | |||
| #define KEY_UP_ARROW 0xDA | |||
| #define KEY_DOWN_ARROW 0xD9 | |||
| #define KEY_LEFT_ARROW 0xD8 | |||
| #define KEY_RIGHT_ARROW 0xD7 | |||
| #define KEY_BACKSPACE 0xB2 | |||
| #define KEY_TAB 0xB3 | |||
| #define KEY_RETURN 0xB0 | |||
| #define KEY_ESC 0xB1 | |||
| #define KEY_INSERT 0xD1 | |||
| #define KEY_DELETE 0xD4 | |||
| #define KEY_PAGE_UP 0xD3 | |||
| #define KEY_PAGE_DOWN 0xD6 | |||
| #define KEY_HOME 0xD2 | |||
| #define KEY_END 0xD5 | |||
| #define KEY_CAPS_LOCK 0xC1 | |||
| #define KEY_F1 0xC2 | |||
| #define KEY_F2 0xC3 | |||
| #define KEY_F3 0xC4 | |||
| #define KEY_F4 0xC5 | |||
| #define KEY_F5 0xC6 | |||
| #define KEY_F6 0xC7 | |||
| #define KEY_F7 0xC8 | |||
| #define KEY_F8 0xC9 | |||
| #define KEY_F9 0xCA | |||
| #define KEY_F10 0xCB | |||
| #define KEY_F11 0xCC | |||
| #define KEY_F12 0xCD | |||
| #define KEY_F13 0xF0 | |||
| #define KEY_F14 0xF1 | |||
| #define KEY_F15 0xF2 | |||
| #define KEY_F16 0xF3 | |||
| #define KEY_F17 0xF4 | |||
| #define KEY_F18 0xF5 | |||
| #define KEY_F19 0xF6 | |||
| #define KEY_F20 0xF7 | |||
| #define KEY_F21 0xF8 | |||
| #define KEY_F22 0xF9 | |||
| #define KEY_F23 0xFA | |||
| #define KEY_F24 0xFB | |||
| #ifdef __cplusplus | |||
| extern "C" { | |||
| #endif | |||
| void USBInit(void); | |||
| uint8_t Keyboard_press(uint8_t k); | |||
| uint8_t Keyboard_release(uint8_t k); | |||
| void Keyboard_releaseAll(void); | |||
| uint8_t Keyboard_write(uint8_t c); | |||
| uint8_t Keyboard_getLEDStatus(); | |||
| #ifdef __cplusplus | |||
| } // extern "C" | |||
| #endif | |||
| #endif | |||
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CH552/src/userUsbHidKeyboard/USBconstant.c
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| @ -0,0 +1,88 @@ | |||
| #include "USBconstant.h" | |||
| //Device descriptor | |||
| __code uint8_t DevDesc[] = { | |||
| 0x12,0x01, | |||
| 0x10,0x01, //USB spec release number in BCD format, USB1.1 (0x10, 0x01). | |||
| 0x00,0x00,0x00, //bDeviceClass, bDeviceSubClass, bDeviceProtocol | |||
| DEFAULT_ENDP0_SIZE, //bNumConfigurations | |||
| 0x09,0x12,0x5D,0xC5, // VID PID | |||
| 0x00,0x01, //version | |||
| 0x01,0x02,0x03, //bString | |||
| 0x01 //bNumConfigurations | |||
| }; | |||
| __code uint16_t DevDescLen = sizeof(DevDesc); | |||
| __code uint8_t CfgDesc[] ={ | |||
| 0x09,0x02,sizeof(CfgDesc) & 0xff,sizeof(CfgDesc) >> 8, | |||
| 0x01,0x01,0x00,0x80,0x64, //Configuration descriptor (1 interface) | |||
| // Interface 1 (HID) descriptor | |||
| 0x09,0x04,0x00,0x00,0x02,0x03,0x01,0x01,0x00, // HID Keyboard, 2 endpoints | |||
| 0x09,0x21,0x10,0x01,0x21,0x01,0x22,sizeof(ReportDesc) & 0xff,sizeof(ReportDesc) >> 8, //HID Descriptor | |||
| 0x07,0x05,0x01,0x03,0x08,0x00,0x0A, //endpoint descriptor | |||
| 0x07,0x05,0x81,0x03,0x08,0x00,0x0A, //endpoint descriptor | |||
| }; | |||
| __code uint16_t ReportDescLen = sizeof(ReportDesc); | |||
| __code uint8_t ReportDesc[] ={ | |||
| 0x05, 0x01, // USAGE_PAGE (Generic Desktop) | |||
| 0x09, 0x06, // USAGE (Keyboard) | |||
| 0xa1, 0x01, // COLLECTION (Application) | |||
| 0x05, 0x07, // USAGE_PAGE (Keyboard) | |||
| 0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl) | |||
| 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI) | |||
| 0x15, 0x00, // LOGICAL_MINIMUM (0) | |||
| 0x25, 0x01, // LOGICAL_MAXIMUM (1) | |||
| 0x95, 0x08, // REPORT_COUNT (8) | |||
| 0x75, 0x01, // REPORT_SIZE (1) | |||
| 0x81, 0x02, // INPUT (Data,Var,Abs) | |||
| 0x95, 0x01, // REPORT_COUNT (1) | |||
| 0x75, 0x08, // REPORT_SIZE (8) | |||
| 0x81, 0x03, // INPUT (Cnst,Var,Abs) | |||
| 0x95, 0x06, // REPORT_COUNT (6) | |||
| 0x75, 0x08, // REPORT_SIZE (8) | |||
| 0x15, 0x00, // LOGICAL_MINIMUM (0) | |||
| 0x25, 0xff, // LOGICAL_MAXIMUM (255) | |||
| 0x05, 0x07, // USAGE_PAGE (Keyboard) | |||
| 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated)) | |||
| 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI) | |||
| 0x81, 0x00, // INPUT (Data,Ary,Abs) | |||
| 0x05, 0x08, // USAGE_PAGE (LEDs) | |||
| 0x19, 0x01, // USAGE_MINIMUM (Num Lock) | |||
| 0x29, 0x05, // USAGE_MAXIMUM (Kana) | |||
| 0x15, 0x00, // LOGICAL_MINIMUM (0) | |||
| 0x25, 0x01, // LOGICAL_MAXIMUM (1) | |||
| 0x95, 0x05, // REPORT_COUNT (5) | |||
| 0x75, 0x01, // REPORT_SIZE (1) | |||
| 0x91, 0x02, // OUTPUT (Data,Var,Abs) | |||
| 0x95, 0x01, // REPORT_COUNT (1) | |||
| 0x75, 0x03, // REPORT_SIZE (3) | |||
| 0x91, 0x03, // OUTPUT (Cnst,Var,Abs) | |||
| 0xc0 // END_COLLECTION | |||
| }; | |||
| __code uint16_t CfgDescLen = sizeof(CfgDesc); | |||
| //String Descriptors | |||
| __code uint8_t LangDes[]={0x04,0x03,0x09,0x04}; //Language Descriptor | |||
| __code uint16_t LangDesLen = sizeof(LangDes); | |||
| __code uint8_t SerDes[]={ //Serial String Descriptor | |||
| 0x14,0x03, | |||
| 'C',0x00,'H',0x00,'5',0x00,'5',0x00,'x',0x00,' ',0x00,'k',0x00,'b',0x00,'d',0x00 | |||
| }; | |||
| __code uint16_t SerDesLen = sizeof(SerDes); | |||
| __code uint8_t Prod_Des[]={ //Produce String Descriptor | |||
| 0x16,0x03, | |||
| 'C',0x00,'H',0x00,'5',0x00,'5',0x00,'x',0x00,'d',0x00, | |||
| 'u',0x00,'i',0x00,'n',0x00,'o',0x00 | |||
| }; | |||
| __code uint16_t Prod_DesLen = sizeof(Prod_Des); | |||
| __code uint8_t Manuf_Des[]={ | |||
| 0x0E,0x03, | |||
| 'D',0x00,'e',0x00,'q',0x00,'i',0x00,'n',0x00,'g',0x00, | |||
| }; | |||
| __code uint16_t Manuf_DesLen = sizeof(Manuf_Des); | |||
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CH552/src/userUsbHidKeyboard/USBconstant.h
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| @ -0,0 +1,27 @@ | |||
| #ifndef __USB_CONST_DATA_H__ | |||
| #define __USB_CONST_DATA_H__ | |||
| #include <stdint.h> | |||
| #include "include/ch5xx.h" | |||
| #include "include/ch5xx_usb.h" | |||
| #define EP0_ADDR 0 | |||
| #define EP1_ADDR 10 | |||
| extern __code uint8_t DevDesc[]; | |||
| extern __code uint8_t CfgDesc[]; | |||
| extern __code uint8_t LangDes[]; | |||
| extern __code uint8_t ReportDesc[]; | |||
| extern __code uint8_t SerDes[]; | |||
| extern __code uint8_t Prod_Des[]; | |||
| extern __code uint8_t Manuf_Des[]; | |||
| extern __code uint16_t DevDescLen; | |||
| extern __code uint16_t CfgDescLen; | |||
| extern __code uint16_t LangDesLen; | |||
| extern __code uint16_t ReportDescLen; | |||
| extern __code uint16_t SerDesLen; | |||
| extern __code uint16_t Prod_DesLen; | |||
| extern __code uint16_t Manuf_DesLen; | |||
| #endif | |||
+ 485
- 0
CH552/src/userUsbHidKeyboard/USBhandler.c
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| @ -0,0 +1,485 @@ | |||
| #include "USBhandler.h" | |||
| #include "USBconstant.h" | |||
| //Keyboard functions: | |||
| void USB_EP2_IN(); | |||
| void USB_EP2_OUT(); | |||
| __xdata __at (EP0_ADDR) uint8_t Ep0Buffer[8]; | |||
| __xdata __at (EP1_ADDR) uint8_t Ep1Buffer[128]; //on page 47 of data sheet, the receive buffer need to be min(possible packet size+2,64), IN and OUT buffer, must be even address | |||
| #if (EP1_ADDR+128) > USER_USB_RAM | |||
| #error "This program needs more USB RAM. Increase this setting in the menu." | |||
| #endif | |||
| uint16_t SetupLen; | |||
| uint8_t SetupReq,UsbConfig; | |||
| __code uint8_t *pDescr; | |||
| volatile uint8_t usbMsgFlags=0; // uint8_t usbMsgFlags copied from VUSB | |||
| inline void NOP_Process(void) {} | |||
| void USB_EP0_SETUP(){ | |||
| uint8_t len = USB_RX_LEN; | |||
| if(len == (sizeof(USB_SETUP_REQ))) | |||
| { | |||
| SetupLen = ((uint16_t)UsbSetupBuf->wLengthH<<8) | (UsbSetupBuf->wLengthL); | |||
| len = 0; // Default is success and upload 0 length | |||
| SetupReq = UsbSetupBuf->bRequest; | |||
| usbMsgFlags = 0; | |||
| if ( ( UsbSetupBuf->bRequestType & USB_REQ_TYP_MASK ) != USB_REQ_TYP_STANDARD )//Not standard request | |||
| { | |||
| //here is the commnunication starts, refer to usbFunctionSetup of USBtiny | |||
| //or usb_setup in usbtiny | |||
| switch( ( UsbSetupBuf->bRequestType & USB_REQ_TYP_MASK )) | |||
| { | |||
| case USB_REQ_TYP_VENDOR: | |||
| { | |||
| switch( SetupReq ) | |||
| { | |||
| default: | |||
| len = 0xFF; //command not supported | |||
| break; | |||
| } | |||
| break; | |||
| } | |||
| case USB_REQ_TYP_CLASS: | |||
| { | |||
| switch( SetupReq ) | |||
| { | |||
| default: | |||
| len = 0xFF; //command not supported | |||
| break; | |||
| } | |||
| break; | |||
| } | |||
| default: | |||
| len = 0xFF; //command not supported | |||
| break; | |||
| } | |||
| } | |||
| else //Standard request | |||
| { | |||
| switch(SetupReq) //Request ccfType | |||
| { | |||
| case USB_GET_DESCRIPTOR: | |||
| switch(UsbSetupBuf->wValueH) | |||
| { | |||
| case 1: //Device Descriptor | |||
| pDescr = DevDesc; //Put Device Descriptor into outgoing buffer | |||
| len = DevDescLen; | |||
| break; | |||
| case 2: //Configure Descriptor | |||
| pDescr = CfgDesc; | |||
| len = CfgDescLen; | |||
| break; | |||
| case 3: | |||
| if(UsbSetupBuf->wValueL == 0) | |||
| { | |||
| pDescr = LangDes; | |||
| len = LangDesLen; | |||
| } | |||
| else if(UsbSetupBuf->wValueL == 1) | |||
| { | |||
| pDescr = Manuf_Des; | |||
| len = Manuf_DesLen; | |||
| } | |||
| else if(UsbSetupBuf->wValueL == 2) | |||
| { | |||
| pDescr = Prod_Des; | |||
| len = Prod_DesLen; | |||
| } | |||
| else if(UsbSetupBuf->wValueL == 3) | |||
| { | |||
| pDescr = SerDes; | |||
| len = SerDesLen; | |||
| } | |||
| else | |||
| { | |||
| len = 0xff; | |||
| } | |||
| break; | |||
| case 0x22: | |||
| if(UsbSetupBuf->wValueL == 0){ | |||
| pDescr = ReportDesc; | |||
| len = ReportDescLen; | |||
| } | |||
| else | |||
| { | |||
| len = 0xff; | |||
| } | |||
| break; | |||
| default: | |||
| len = 0xff; // Unsupported descriptors or error | |||
| break; | |||
| } | |||
| if (len != 0xff){ | |||
| if ( SetupLen > len ) | |||
| { | |||
| SetupLen = len; // Limit length | |||
| } | |||
| len = SetupLen >= DEFAULT_ENDP0_SIZE ? DEFAULT_ENDP0_SIZE : SetupLen; //transmit length for this packet | |||
| for (uint8_t i=0;i<len;i++){ | |||
| Ep0Buffer[i] = pDescr[i]; | |||
| } | |||
| SetupLen -= len; | |||
| pDescr += len; | |||
| } | |||
| break; | |||
| case USB_SET_ADDRESS: | |||
| SetupLen = UsbSetupBuf->wValueL; // Save the assigned address | |||
| break; | |||
| case USB_GET_CONFIGURATION: | |||
| Ep0Buffer[0] = UsbConfig; | |||
| if ( SetupLen >= 1 ) | |||
| { | |||
| len = 1; | |||
| } | |||
| break; | |||
| case USB_SET_CONFIGURATION: | |||
| UsbConfig = UsbSetupBuf->wValueL; | |||
| break; | |||
| case USB_GET_INTERFACE: | |||
| break; | |||
| case USB_SET_INTERFACE: | |||
| break; | |||
| case USB_CLEAR_FEATURE: //Clear Feature | |||
| if( ( UsbSetupBuf->bRequestType & 0x1F ) == USB_REQ_RECIP_DEVICE ) // Clear the device featuee. | |||
| { | |||
| if( ( ( ( uint16_t )UsbSetupBuf->wValueH << 8 ) | UsbSetupBuf->wValueL ) == 0x01 ) | |||
| { | |||
| if( CfgDesc[ 7 ] & 0x20 ) | |||
| { | |||
| // wake up | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; //Failed | |||
| } | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; //Failed | |||
| } | |||
| } | |||
| else if ( ( UsbSetupBuf->bRequestType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_ENDP )// endpoint | |||
| { | |||
| switch( UsbSetupBuf->wIndexL ) | |||
| { | |||
| case 0x84: | |||
| UEP4_CTRL = UEP4_CTRL & ~ ( bUEP_T_TOG | MASK_UEP_T_RES ) | UEP_T_RES_NAK; | |||
| break; | |||
| case 0x04: | |||
| UEP4_CTRL = UEP4_CTRL & ~ ( bUEP_R_TOG | MASK_UEP_R_RES ) | UEP_R_RES_ACK; | |||
| break; | |||
| case 0x83: | |||
| UEP3_CTRL = UEP3_CTRL & ~ ( bUEP_T_TOG | MASK_UEP_T_RES ) | UEP_T_RES_NAK; | |||
| break; | |||
| case 0x03: | |||
| UEP3_CTRL = UEP3_CTRL & ~ ( bUEP_R_TOG | MASK_UEP_R_RES ) | UEP_R_RES_ACK; | |||
| break; | |||
| case 0x82: | |||
| UEP2_CTRL = UEP2_CTRL & ~ ( bUEP_T_TOG | MASK_UEP_T_RES ) | UEP_T_RES_NAK; | |||
| break; | |||
| case 0x02: | |||
| UEP2_CTRL = UEP2_CTRL & ~ ( bUEP_R_TOG | MASK_UEP_R_RES ) | UEP_R_RES_ACK; | |||
| break; | |||
| case 0x81: | |||
| UEP1_CTRL = UEP1_CTRL & ~ ( bUEP_T_TOG | MASK_UEP_T_RES ) | UEP_T_RES_NAK; | |||
| break; | |||
| case 0x01: | |||
| UEP1_CTRL = UEP1_CTRL & ~ ( bUEP_R_TOG | MASK_UEP_R_RES ) | UEP_R_RES_ACK; | |||
| break; | |||
| default: | |||
| len = 0xFF; // Unsupported endpoint | |||
| break; | |||
| } | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; // Unsupported for non-endpoint | |||
| } | |||
| break; | |||
| case USB_SET_FEATURE: // Set Feature | |||
| if( ( UsbSetupBuf->bRequestType & 0x1F ) == USB_REQ_RECIP_DEVICE ) // Set the device featuee. | |||
| { | |||
| if( ( ( ( uint16_t )UsbSetupBuf->wValueH << 8 ) | UsbSetupBuf->wValueL ) == 0x01 ) | |||
| { | |||
| if( CfgDesc[ 7 ] & 0x20 ) | |||
| { | |||
| // suspend | |||
| //while ( XBUS_AUX & bUART0_TX ); //Wait till uart0 sending complete | |||
| //SAFE_MOD = 0x55; | |||
| //SAFE_MOD = 0xAA; | |||
| //WAKE_CTRL = bWAK_BY_USB | bWAK_RXD0_LO | bWAK_RXD1_LO; //wake up by USB or RXD0/1 signal | |||
| //PCON |= PD; //sleep | |||
| //SAFE_MOD = 0x55; | |||
| //SAFE_MOD = 0xAA; | |||
| //WAKE_CTRL = 0x00; | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; // Failed | |||
| } | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; // Failed | |||
| } | |||
| } | |||
| else if( ( UsbSetupBuf->bRequestType & 0x1F ) == USB_REQ_RECIP_ENDP ) //endpoint | |||
| { | |||
| if( ( ( ( uint16_t )UsbSetupBuf->wValueH << 8 ) | UsbSetupBuf->wValueL ) == 0x00 ) | |||
| { | |||
| switch( ( ( uint16_t )UsbSetupBuf->wIndexH << 8 ) | UsbSetupBuf->wIndexL ) | |||
| { | |||
| case 0x84: | |||
| UEP4_CTRL = UEP4_CTRL & (~bUEP_T_TOG) | UEP_T_RES_STALL;// Set endpoint4 IN STALL | |||
| break; | |||
| case 0x04: | |||
| UEP4_CTRL = UEP4_CTRL & (~bUEP_R_TOG) | UEP_R_RES_STALL;// Set endpoint4 OUT Stall | |||
| break; | |||
| case 0x83: | |||
| UEP3_CTRL = UEP3_CTRL & (~bUEP_T_TOG) | UEP_T_RES_STALL;// Set endpoint3 IN STALL | |||
| break; | |||
| case 0x03: | |||
| UEP3_CTRL = UEP3_CTRL & (~bUEP_R_TOG) | UEP_R_RES_STALL;// Set endpoint3 OUT Stall | |||
| break; | |||
| case 0x82: | |||
| UEP2_CTRL = UEP2_CTRL & (~bUEP_T_TOG) | UEP_T_RES_STALL;// Set endpoint2 IN STALL | |||
| break; | |||
| case 0x02: | |||
| UEP2_CTRL = UEP2_CTRL & (~bUEP_R_TOG) | UEP_R_RES_STALL;// Set endpoint2 OUT Stall | |||
| break; | |||
| case 0x81: | |||
| UEP1_CTRL = UEP1_CTRL & (~bUEP_T_TOG) | UEP_T_RES_STALL;// Set endpoint1 IN STALL | |||
| break; | |||
| case 0x01: | |||
| UEP1_CTRL = UEP1_CTRL & (~bUEP_R_TOG) | UEP_R_RES_STALL;// Set endpoint1 OUT Stall | |||
| default: | |||
| len = 0xFF; // Failed | |||
| break; | |||
| } | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; // Failed | |||
| } | |||
| } | |||
| else | |||
| { | |||
| len = 0xFF; // Failed | |||
| } | |||
| break; | |||
| case USB_GET_STATUS: | |||
| Ep0Buffer[0] = 0x00; | |||
| Ep0Buffer[1] = 0x00; | |||
| if ( SetupLen >= 2 ) | |||
| { | |||
| len = 2; | |||
| } | |||
| else | |||
| { | |||
| len = SetupLen; | |||
| } | |||
| break; | |||
| default: | |||
| len = 0xff; // Failed | |||
| break; | |||
| } | |||
| } | |||
| } | |||
| else | |||
| { | |||
| len = 0xff; //Wrong packet length | |||
| } | |||
| if(len == 0xff) | |||
| { | |||
| SetupReq = 0xFF; | |||
| UEP0_CTRL = bUEP_R_TOG | bUEP_T_TOG | UEP_R_RES_STALL | UEP_T_RES_STALL;//STALL | |||
| } | |||
| else if(len <= DEFAULT_ENDP0_SIZE) // Tx data to host or send 0-length packet | |||
| { | |||
| UEP0_T_LEN = len; | |||
| UEP0_CTRL = bUEP_R_TOG | bUEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_ACK;//Expect DATA1, Answer ACK | |||
| } | |||
| else | |||
| { | |||
| UEP0_T_LEN = 0; // Tx data to host or send 0-length packet | |||
| UEP0_CTRL = bUEP_R_TOG | bUEP_T_TOG | UEP_R_RES_ACK | UEP_T_RES_ACK;//Expect DATA1, Answer ACK | |||
| } | |||
| } | |||
| void USB_EP0_IN(){ | |||
| switch(SetupReq) | |||
| { | |||
| case USB_GET_DESCRIPTOR: | |||
| { | |||
| uint8_t len = SetupLen >= DEFAULT_ENDP0_SIZE ? DEFAULT_ENDP0_SIZE : SetupLen; //send length | |||
| for (uint8_t i=0;i<len;i++){ | |||
| Ep0Buffer[i] = pDescr[i]; | |||
| } | |||
| //memcpy( Ep0Buffer, pDescr, len ); | |||
| SetupLen -= len; | |||
| pDescr += len; | |||
| UEP0_T_LEN = len; | |||
| UEP0_CTRL ^= bUEP_T_TOG; //Switch between DATA0 and DATA1 | |||
| } | |||
| break; | |||
| case USB_SET_ADDRESS: | |||
| USB_DEV_AD = USB_DEV_AD & bUDA_GP_BIT | SetupLen; | |||
| UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK; | |||
| break; | |||
| default: | |||
| UEP0_T_LEN = 0; // End of transaction | |||
| UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK; | |||
| break; | |||
| } | |||
| } | |||
| void USB_EP0_OUT(){ | |||
| { | |||
| UEP0_T_LEN = 0; | |||
| UEP0_CTRL |= UEP_R_RES_ACK | UEP_T_RES_NAK; //Respond Nak | |||
| } | |||
| } | |||
| #pragma save | |||
| #pragma nooverlay | |||
| void USBInterrupt(void) { //inline not really working in multiple files in SDCC | |||
| if(UIF_TRANSFER) { | |||
| // Dispatch to service functions | |||
| uint8_t callIndex=USB_INT_ST & MASK_UIS_ENDP; | |||
| switch (USB_INT_ST & MASK_UIS_TOKEN) { | |||
| case UIS_TOKEN_OUT: | |||
| {//SDCC will take IRAM if array of function pointer is used. | |||
| switch (callIndex) { | |||
| case 0: EP0_OUT_Callback(); break; | |||
| case 1: EP1_OUT_Callback(); break; | |||
| case 2: EP2_OUT_Callback(); break; | |||
| case 3: EP3_OUT_Callback(); break; | |||
| case 4: EP4_OUT_Callback(); break; | |||
| default: break; | |||
| } | |||
| } | |||
| break; | |||
| case UIS_TOKEN_SOF: | |||
| {//SDCC will take IRAM if array of function pointer is used. | |||
| switch (callIndex) { | |||
| case 0: EP0_SOF_Callback(); break; | |||
| case 1: EP1_SOF_Callback(); break; | |||
| case 2: EP2_SOF_Callback(); break; | |||
| case 3: EP3_SOF_Callback(); break; | |||
| case 4: EP4_SOF_Callback(); break; | |||
| default: break; | |||
| } | |||
| } | |||
| break; | |||
| case UIS_TOKEN_IN: | |||
| {//SDCC will take IRAM if array of function pointer is used. | |||
| switch (callIndex) { | |||
| case 0: EP0_IN_Callback(); break; | |||
| case 1: EP1_IN_Callback(); break; | |||
| case 2: EP2_IN_Callback(); break; | |||
| case 3: EP3_IN_Callback(); break; | |||
| case 4: EP4_IN_Callback(); break; | |||
| default: break; | |||
| } | |||
| } | |||
| break; | |||
| case UIS_TOKEN_SETUP: | |||
| {//SDCC will take IRAM if array of function pointer is used. | |||
| switch (callIndex) { | |||
| case 0: EP0_SETUP_Callback(); break; | |||
| case 1: EP1_SETUP_Callback(); break; | |||
| case 2: EP2_SETUP_Callback(); break; | |||
| case 3: EP3_SETUP_Callback(); break; | |||
| case 4: EP4_SETUP_Callback(); break; | |||
| default: break; | |||
| } | |||
| } | |||
| break; | |||
| } | |||
| UIF_TRANSFER = 0; // Clear interrupt flag | |||
| } | |||
| // Device mode USB bus reset | |||
| if(UIF_BUS_RST) { | |||
| UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK; | |||
| UEP1_CTRL = bUEP_AUTO_TOG | UEP_T_RES_NAK | UEP_R_RES_ACK; | |||
| USB_DEV_AD = 0x00; | |||
| UIF_SUSPEND = 0; | |||
| UIF_TRANSFER = 0; | |||
| UIF_BUS_RST = 0; // Clear interrupt flag | |||
| } | |||
| // USB bus suspend / wake up | |||
| if (UIF_SUSPEND) { | |||
| UIF_SUSPEND = 0; | |||
| if ( USB_MIS_ST & bUMS_SUSPEND ) { // Suspend | |||
| //while ( XBUS_AUX & bUART0_TX ); // Wait for Tx | |||
| //SAFE_MOD = 0x55; | |||
| //SAFE_MOD = 0xAA; | |||
| //WAKE_CTRL = bWAK_BY_USB | bWAK_RXD0_LO; // Wake up by USB or RxD0 | |||
| //PCON |= PD; // Chip sleep | |||
| //SAFE_MOD = 0x55; | |||
| //SAFE_MOD = 0xAA; | |||
| //WAKE_CTRL = 0x00; | |||
| } else { // Unexpected interrupt, not supposed to happen ! | |||
| USB_INT_FG = 0xFF; // Clear interrupt flag | |||
| } | |||
| } | |||
| } | |||
| #pragma restore | |||
| void USBDeviceCfg() | |||
| { | |||
| USB_CTRL = 0x00; //Clear USB control register | |||
| USB_CTRL &= ~bUC_HOST_MODE; //This bit is the device selection mode | |||
| USB_CTRL |= bUC_DEV_PU_EN | bUC_INT_BUSY | bUC_DMA_EN; //USB device and internal pull-up enable, automatically return to NAK before interrupt flag is cleared during interrupt | |||
| USB_DEV_AD = 0x00; //Device address initialization | |||
| // USB_CTRL |= bUC_LOW_SPEED; | |||
| // UDEV_CTRL |= bUD_LOW_SPEED; //Run for 1.5M | |||
| USB_CTRL &= ~bUC_LOW_SPEED; | |||
| UDEV_CTRL &= ~bUD_LOW_SPEED; //Select full speed 12M mode, default mode | |||
| #if defined(CH551) || defined(CH552) || defined(CH549) | |||
| UDEV_CTRL = bUD_PD_DIS; // Disable DP/DM pull-down resistor | |||
| #endif | |||
| #if defined(CH559) | |||
| UDEV_CTRL = bUD_DP_PD_DIS; // Disable DP/DM pull-down resistor | |||
| #endif | |||
| UDEV_CTRL |= bUD_PORT_EN; //Enable physical port | |||
| } | |||
| void USBDeviceIntCfg() | |||
| { | |||
| USB_INT_EN |= bUIE_SUSPEND; //Enable device hang interrupt | |||
| USB_INT_EN |= bUIE_TRANSFER; //Enable USB transfer completion interrupt | |||
| USB_INT_EN |= bUIE_BUS_RST; //Enable device mode USB bus reset interrupt | |||
| USB_INT_FG |= 0x1F; //Clear interrupt flag | |||
| IE_USB = 1; //Enable USB interrupt | |||
| EA = 1; //Enable global interrupts | |||
| } | |||
| void USBDeviceEndPointCfg() | |||
| { | |||
| UEP1_DMA = (uint16_t) Ep1Buffer; //Endpoint 1 data transfer address | |||
| UEP1_CTRL = bUEP_AUTO_TOG | UEP_T_RES_NAK | UEP_R_RES_ACK; //Endpoint 2 automatically flips the sync flag, IN transaction returns NAK, OUT returns ACK | |||
| UEP0_DMA = (uint16_t) Ep0Buffer; //Endpoint 0 data transfer address | |||
| UEP4_1_MOD = 0XC0; //endpoint1 TX RX enable | |||
| UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK; //Manual flip, OUT transaction returns ACK, IN transaction returns NAK | |||
| } | |||
+ 61
- 0
CH552/src/userUsbHidKeyboard/USBhandler.h
View File
| @ -0,0 +1,61 @@ | |||
| #ifndef __USB_HANDLER_H__ | |||
| #define __USB_HANDLER_H__ | |||
| #include <stdint.h> | |||
| #include "include/ch5xx.h" | |||
| #include "include/ch5xx_usb.h" | |||
| #include "USBconstant.h" | |||
| extern __xdata __at (EP0_ADDR) uint8_t Ep0Buffer[]; | |||
| extern __xdata __at (EP1_ADDR) uint8_t Ep1Buffer[]; | |||
| extern uint16_t SetupLen; | |||
| extern uint8_t SetupReq,UsbConfig; | |||
| extern const __code uint8_t *pDescr; | |||
| #define UsbSetupBuf ((PUSB_SETUP_REQ)Ep0Buffer) | |||
| // Out | |||
| #define EP0_OUT_Callback USB_EP0_OUT | |||
| #define EP1_OUT_Callback USB_EP1_OUT | |||
| #define EP2_OUT_Callback NOP_Process | |||
| #define EP3_OUT_Callback NOP_Process | |||
| #define EP4_OUT_Callback NOP_Process | |||
| // SOF | |||
| #define EP0_SOF_Callback NOP_Process | |||
| #define EP1_SOF_Callback NOP_Process | |||
| #define EP2_SOF_Callback NOP_Process | |||
| #define EP3_SOF_Callback NOP_Process | |||
| #define EP4_SOF_Callback NOP_Process | |||
| // IN | |||
| #define EP0_IN_Callback USB_EP0_IN | |||
| #define EP1_IN_Callback USB_EP1_IN | |||
| #define EP2_IN_Callback NOP_Process | |||
| #define EP3_IN_Callback NOP_Process | |||
| #define EP4_IN_Callback NOP_Process | |||
| // SETUP | |||
| #define EP0_SETUP_Callback USB_EP0_SETUP | |||
| #define EP1_SETUP_Callback NOP_Process | |||
| #define EP2_SETUP_Callback NOP_Process | |||
| #define EP3_SETUP_Callback NOP_Process | |||
| #define EP4_SETUP_Callback NOP_Process | |||
| #ifdef __cplusplus | |||
| extern "C" { | |||
| #endif | |||
| void USBInterrupt(void); | |||
| void USBDeviceCfg(); | |||
| void USBDeviceIntCfg(); | |||
| void USBDeviceEndPointCfg(); | |||
| #ifdef __cplusplus | |||
| } // extern "C" | |||
| #endif | |||
| #endif | |||