diff --git a/firmware/main.c b/firmware/main.c index 0502847..c444c18 100644 --- a/firmware/main.c +++ b/firmware/main.c @@ -11,8 +11,6 @@ #include "main.h" -volatile uint8_t timer_tick = false; - /*! \brief Initialize the AVR. */ static inline void init(void) @@ -38,9 +36,9 @@ static inline void init(void) */ int __attribute__((OS_main)) main() { - uint8_t level; - uint8_t frmnum; - uint8_t delay; + uint8_t level = 0x00; + uint8_t frmnum = 0x00; + uint8_t delay = 0x00; // Initialize the AVR and the USB connection. init(); init_usb(); @@ -64,7 +62,7 @@ int __attribute__((OS_main)) main() if (mode) { // if we are in an animation mode we have to load a frame out of the eeprom // and increase the counter - frame = eeprom_read_dword(&eep_anim[frmnum]); + frame.all = eeprom_read_dword(&eep_anim[frmnum]); frmnum++; } } @@ -73,20 +71,20 @@ int __attribute__((OS_main)) main() // Possible delays are 8 16 24 32 and so on. A zero delay isn't possible. // Zero means that a delay of 255 happens because the delay variable was decreased first before testing // it's zero value. - delay = (frame >> 24) & 0xf8; + delay = frame.bytes[3] & 0xf8; } // PORTD = __, 9, C, B, A, D+, D-, __ - PORTD &= ~((1 << 5) | (1 << 4) | (1 << 3) | (1 << 2));; // delete bit 3 to 6 (bit 3 to 5 = layer 0 to 2 - uint8_t tmp = level * 9; // calculate the position in the frame + PORTD &= ~((1 << PORTD5) | (1 << PORTD4) | (1 << PORTD3) | (1 << PORTD2)); // delete bit 3 to 6 (bit 3 to 5 = layer 0 to 2 // PORTB = 1..8 + uint32_t tmp_frame = (frame.all >> (uint8_t)(level * 9)); // 0 = led is on, 1 = led is off - PORTB = ~((frame >> tmp) & 0xff); + PORTB = ~((uint8_t)tmp_frame); - if ((((frame >> tmp) >> 8) & 0x01)) { - PORTD &= ~(1 << 6); // turn the 9th LED on + if (!(tmp_frame & 0x100)) { + PORTD |= (1 << PORTD6); // turn the 9th LED off } else { - PORTD |= (1 << 6); // turn the 9th LED off + PORTD &= ~(1 << PORTD6); // turn the 9th LED on } // set the current level to high diff --git a/firmware/main.h b/firmware/main.h index ada975e..7d4d751 100644 --- a/firmware/main.h +++ b/firmware/main.h @@ -28,13 +28,13 @@ * bit 27 - 31 = The delay in ISR calls multiplied with 8 until * the next frame will be shown (load from the EEPROM) */ -uint32_t frame; +union { + uint32_t all; + uint8_t bytes[4]; +} frame; +// uint32_t frame; uint8_t mode = MODE_ANIMATION_LOOP; // firmware mode -// uint8_t level; // current layer -// uint8_t frmnum; // frame nummber in the animation loop -// uint8_t delay; // delay in ISR calls between changing to the next animation frame - // eeprom array of the animation uint32_t eep_anim[MAX_EEPROM_FRAMES] EEMEM; diff --git a/firmware/main.hex b/firmware/main.hex index 7270622..39b3243 100644 --- a/firmware/main.hex +++ b/firmware/main.hex @@ -8,9 +8,9 @@ :1000700048004E002E0064006500040309040600D9 :10008000FF0901A101150026FF007508950109006F :10009000B20201C011241FBECFEDCDBF10E0A0E61B 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*)data; - - if ( (rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_VENDOR ) - { - if ( rq->bRequest == CUSTOM_RQ_SET_FRAME ) - { - - // because of the code size we have to transfer one frame in - // two steps (control messages) - if ( ! rq->wIndex.bytes[0] ) - { - // the lower word - frame = (frame & (uint32_t)0xffff0000) | - ( rq->wValue.bytes[0] + - (rq->wValue.bytes[1] << 8) ); - } else { - // the high word - frame = (frame & (uint32_t)0x0000ffff) | - ((uint32_t)( rq->wValue.bytes[0] + - (rq->wValue.bytes[1] << 8) ) << 16); - } - - } else if ( rq->bRequest == CUSTOM_RQ_EEPROM_STORE_FRAME ) - { - // save the actual frame to the eeprom - // don't forget to send a frame first - eeprom_write_dword( &eep_anim[ rq->wIndex.bytes[0] ], frame ); - - } else if ( rq->bRequest == CUSTOM_RQ_SET_MODE ) - { - // set the firmware mode - // 0 = stop; 1 = single; 2 = loop - mode = rq->wValue.bytes[0]; - } + usbRequest_t *rq = (void *)data; + if ((rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_VENDOR) { + if (rq->bRequest == CUSTOM_RQ_SET_FRAME) { + // because of the code size we have to transfer one frame in + // two steps (control messages) + if (! rq->wIndex.bytes[0]) { + // the lower word + frame.all = (frame.all & (uint32_t)0xffff0000) | + (rq->wValue.bytes[0] + + (rq->wValue.bytes[1] << 8)); + } else { + // the high word + frame.all = (frame.all & (uint32_t)0x0000ffff) | + ((uint32_t)(rq->wValue.bytes[0] + + (rq->wValue.bytes[1] << 8)) << 16); + } + } else if (rq->bRequest == CUSTOM_RQ_EEPROM_STORE_FRAME) { + // save the actual frame to the eeprom + // don't forget to send a frame first + eeprom_write_dword(&eep_anim[ rq->wIndex.bytes[0] ], frame.all); + } else if (rq->bRequest == CUSTOM_RQ_SET_MODE) { + // set the firmware mode + // 0 = stop; 1 = single; 2 = loop + mode = rq->wValue.bytes[0]; } - return 0; /* default for not implemented requests: return no data back to host */ + } + + return 0; /* default for not implemented requests: return no data back to host */ } -/* ------------------------------------------------------------------------- */ - -/*! \brief Initializes the USB conneciton. +/*! \brief Initializes the USB connection. */ void init_usb(void) { + usbInit(); + usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */ - uint8_t i; - - usbInit(); - usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */ - - // fake USB disconnect for > 250 ms - while(--i) - { - asm volatile("nop"::); - } - - usbDeviceConnect(); + // fake USB disconnect for > 250 ms + // for (uint8_t i = 0; i <= 25; i++) { + // _delay_ms(10); + // } + _delay_ms(250); + usbDeviceConnect(); } - -/* ------------------------------------------------------------------------- */ diff --git a/firmware/usb.h b/firmware/usb.h index e6b6fa2..cd61d37 100644 --- a/firmware/usb.h +++ b/firmware/usb.h @@ -17,6 +17,7 @@ #include "globals.h" +#include "util/delay.h" #include "usbconfig.h" #include "usbdrv.h" #include "requests.h" /* The custom request numbers we use */ @@ -38,12 +39,15 @@ PROGMEM const char usbHidReportDescriptor[22] = { /* USB report descriptor */ 0xc0 // END_COLLECTION }; -void init_usb(void); - extern uint32_t eep_anim[MAX_EEPROM_FRAMES] EEMEM; // usb buffer -extern uint32_t frame; // Framebuffer +extern union { + uint32_t all; + uint8_t bytes[4]; +} frame; // Framebuffer +// extern uint32_t frame; + extern uint8_t mode; // FW mode #endif // __usb_h__