tmk
9 years ago
4 changed files with 30 additions and 9 deletions
+ 1
- 0
keyboard/hhkb_rn42/MEMO.txt
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| TODO | TODO | ||||
| ---- | ---- | ||||
| - LUFA sendchar should be buffered and serial_uart.c buffur size is too large(256). | |||||
| - Factroy reset doesn't work; need to test again. 10K pull-up is too high? | - Factroy reset doesn't work; need to test again. 10K pull-up is too high? | ||||
| - Lipo voltage ADC sensing | - Lipo voltage ADC sensing | ||||
| - Lipo charger configuration: fast charge time: USB charger spec? | - Lipo charger configuration: fast charge time: USB charger spec? |
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keyboard/hhkb_rn42/config.h
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| #define RTSEN 0 | #define RTSEN 0 | ||||
| #define CTSEN 1 | #define CTSEN 1 | ||||
| #define SERIAL_UART_BAUD 115200 | |||||
| #define SERIAL_UART_DATA UDR1 | |||||
| #define SERIAL_UART_UBRR ((F_CPU/(16.0*SERIAL_UART_BAUD)-1+0.5)) | |||||
| #define SERIAL_UART_RXD_VECT USART1_RX_vect | |||||
| #define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1)) | |||||
| #define SERIAL_UART_INIT() do { \ | |||||
| #define SERIAL_UART_BAUD 115200 | |||||
| #define SERIAL_UART_DATA UDR1 | |||||
| #define SERIAL_UART_UBRR ((F_CPU/(16.0*SERIAL_UART_BAUD)-1+0.5)) | |||||
| #define SERIAL_UART_RXD_VECT USART1_RX_vect | |||||
| #define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1)) | |||||
| #define SERIAL_UART_INIT() do { \ | |||||
| UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \ | UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \ | ||||
| UBRR1H = ((uint16_t)SERIAL_UART_UBRR>>8); /* baud rate */ \ | UBRR1H = ((uint16_t)SERIAL_UART_UBRR>>8); /* baud rate */ \ | ||||
| UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \ | UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \ | ||||
| UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \ | UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \ | ||||
| UCSR1C |= (0<<UPM11) | (0<<UPM10); /* parity: none(00), even(01), odd(11) */ \ | UCSR1C |= (0<<UPM11) | (0<<UPM10); /* parity: none(00), even(01), odd(11) */ \ | ||||
| UCSR1D |= (0<<RTSEN) | (0<<CTSEN); /* RTS, CTS */ \ | |||||
| UCSR1D |= (0<<RTSEN) | (0<<CTSEN); /* RTS, CTS(no flow control by hardware) */ \ | |||||
| DDRD |= (1<<5); PORTD &= ~(1<<5); /* RTS for flow control by firmware */ \ | |||||
| sei(); \ | sei(); \ | ||||
| } while(0) | } while(0) | ||||
| #define SERIAL_UART_RTS_LO() do { PORTD &= ~(1<<5); } while (0) | |||||
| #define SERIAL_UART_RTS_HI() do { PORTD |= (1<<5); } while (0) | |||||
| #else | #else | ||||
| #error "USART configuration is needed." | #error "USART configuration is needed." | ||||
| #endif | #endif |
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- 2
keyboard/hhkb_rn42/rn42/rn42_task.c
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| // Config mode: print output from RN-42 | // Config mode: print output from RN-42 | ||||
| while ((c = serial_recv2()) != -1) { | while ((c = serial_recv2()) != -1) { | ||||
| // without flow control it'll fail to receive data when flooded | // without flow control it'll fail to receive data when flooded | ||||
| rn42_cts_hi(); | |||||
| xprintf("%c", c); | xprintf("%c", c); | ||||
| rn42_cts_lo(); | |||||
| } | } | ||||
| } else { | } else { | ||||
| // Raw mode: interpret output report of LED state | // Raw mode: interpret output report of LED state |
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- 0
protocol/serial_uart.c
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| #include "serial.h" | #include "serial.h" | ||||
| #if defined(SERIAL_UART_RTS_LO) && defined(SERIAL_UART_RTS_HI) | |||||
| // Buffer state | |||||
| // Empty: RBUF_SPACE == RBUF_SIZE(head==tail) | |||||
| // Last 1 space: RBUF_SPACE == 2 | |||||
| // Full: RBUF_SPACE == 1(last cell of rbuf be never used.) | |||||
| #define RBUF_SPACE() (rbuf_head < rbuf_tail ? (rbuf_tail - rbuf_head) : (RBUF_SIZE - rbuf_head + rbuf_tail)) | |||||
| // allow to send | |||||
| #define rbuf_check_rts_lo() do { if (RBUF_SPACE() > 2) SERIAL_UART_RTS_LO(); } while (0) | |||||
| // prohibit to send | |||||
| #define rbuf_check_rts_hi() do { if (RBUF_SPACE() <= 2) SERIAL_UART_RTS_HI(); } while (0) | |||||
| #else | |||||
| #define rbuf_check_rts_lo() | |||||
| #define rbuf_check_rts_hi() | |||||
| #endif | |||||
| void serial_init(void) | void serial_init(void) | ||||
| { | { | ||||
| SERIAL_UART_INIT(); | SERIAL_UART_INIT(); | ||||
| data = rbuf[rbuf_tail]; | data = rbuf[rbuf_tail]; | ||||
| rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; | rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; | ||||
| rbuf_check_rts_lo(); | |||||
| return data; | return data; | ||||
| } | } | ||||
| data = rbuf[rbuf_tail]; | data = rbuf[rbuf_tail]; | ||||
| rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; | rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; | ||||
| rbuf_check_rts_lo(); | |||||
| return data; | return data; | ||||
| } | } | ||||
| rbuf[rbuf_head] = SERIAL_UART_DATA; | rbuf[rbuf_head] = SERIAL_UART_DATA; | ||||
| rbuf_head = next; | rbuf_head = next; | ||||
| } | } | ||||
| rbuf_check_rts_hi(); | |||||
| } | } |
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