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-rw-r--r--tmk_core/common/avr/suspend.c2
-rw-r--r--tmk_core/common/keyboard.c6
-rw-r--r--tmk_core/common/keyboard.h8
-rw-r--r--tmk_core/common/matrix.h4
-rw-r--r--tmk_core/protocol/ibm4704.c45
-rw-r--r--tmk_core/protocol/lufa/lufa.c9
-rw-r--r--tmk_core/protocol/pjrc/main.c2
7 files changed, 47 insertions, 29 deletions
diff --git a/tmk_core/common/avr/suspend.c b/tmk_core/common/avr/suspend.c
index 80243f02bc..af99f52b5e 100644
--- a/tmk_core/common/avr/suspend.c
+++ b/tmk_core/common/avr/suspend.c
@@ -85,6 +85,8 @@ void suspend_power_down(void)
power_down(WDTO_15MS);
}
+__attribute__ ((weak)) void matrix_power_up(void) {}
+__attribute__ ((weak)) void matrix_power_down(void) {}
bool suspend_wakeup_condition(void)
{
matrix_power_up();
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index b03b124d76..eb7b096bed 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -62,6 +62,12 @@ static bool has_ghost_in_row(uint8_t row)
#endif
+__attribute__ ((weak)) void matrix_setup(void) {}
+void keyboard_setup(void)
+{
+ matrix_setup();
+}
+
void keyboard_init(void)
{
timer_init();
diff --git a/tmk_core/common/keyboard.h b/tmk_core/common/keyboard.h
index 6442716fc7..7738251b64 100644
--- a/tmk_core/common/keyboard.h
+++ b/tmk_core/common/keyboard.h
@@ -58,13 +58,15 @@ static inline bool IS_RELEASED(keyevent_t event) { return (!IS_NOEVENT(event) &&
}
+/* it runs once at early stage of startup before keyboard_init. */
+void keyboard_setup(void);
+/* it runs once after initializing host side protocol, debug and MCU peripherals. */
void keyboard_init(void);
+/* it runs repeatedly in main loop */
void keyboard_task(void);
+/* it runs when host LED status is updated */
void keyboard_set_leds(uint8_t leds);
-__attribute__ ((weak)) void matrix_power_up(void) {}
-__attribute__ ((weak)) void matrix_power_down(void) {}
-
#ifdef __cplusplus
}
#endif
diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
index 107ee72653..ec6f8cd431 100644
--- a/tmk_core/common/matrix.h
+++ b/tmk_core/common/matrix.h
@@ -43,7 +43,9 @@ extern "C" {
uint8_t matrix_rows(void);
/* number of matrix columns */
uint8_t matrix_cols(void);
-/* intialize matrix for scaning. should be called once. */
+/* should be called at early stage of startup before matrix_init.(optional) */
+void matrix_setup(void);
+/* intialize matrix for scaning. */
void matrix_init(void);
/* scan all key states on matrix */
uint8_t matrix_scan(void);
diff --git a/tmk_core/protocol/ibm4704.c b/tmk_core/protocol/ibm4704.c
index a10a5e74d9..6a03cd4419 100644
--- a/tmk_core/protocol/ibm4704.c
+++ b/tmk_core/protocol/ibm4704.c
@@ -21,9 +21,10 @@ uint8_t ibm4704_error = 0;
void ibm4704_init(void)
{
+ inhibit(); // keep keyboard from sending
IBM4704_INT_INIT();
IBM4704_INT_ON();
- idle();
+ idle(); // allow keyboard sending
}
/*
@@ -104,51 +105,44 @@ uint8_t ibm4704_recv_response(void)
return rbuf_dequeue();
}
+uint8_t ibm4704_recv(void)
+{
+ if (rbuf_has_data()) {
+ return rbuf_dequeue();
+ } else {
+ return -1;
+ }
+}
+
/*
Keyboard to Host
----------------
Data bits are LSB first and Parity is odd. Clock has around 60us high and 30us low part.
- ____ __ __ __ __ __ __ __ __ __ ________
-Clock \____/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/
+ ____ __ __ __ __ __ __ __ __ __ _______
+Clock \_____/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/
____ ____ ____ ____ ____ ____ ____ ____ ____ ____
Data ____/ X____X____X____X____X____X____X____X____X____X________
Start 0 1 2 3 4 5 6 7 P Stop
Start bit: can be long as 300-350us.
Inhibit: Pull Data line down to inhibit keyboard to send.
-Timing: Host reads bit while Clock is hi.
+Timing: Host reads bit while Clock is hi.(rising edge)
Stop bit: Keyboard pulls down Data line to lo after 9th clock.
*/
-uint8_t ibm4704_recv(void)
-{
- if (rbuf_has_data()) {
- return rbuf_dequeue();
- } else {
- return -1;
- }
-}
-
ISR(IBM4704_INT_VECT)
{
static enum {
- INIT, START, BIT0, BIT1, BIT2, BIT3, BIT4, BIT5, BIT6, BIT7, PARITY,
- } state = INIT;
+ BIT0, BIT1, BIT2, BIT3, BIT4, BIT5, BIT6, BIT7, PARITY, STOP
+ } state = BIT0;
// LSB first
static uint8_t data = 0;
// Odd parity
static uint8_t parity = false;
ibm4704_error = 0;
- // return unless falling edge
- if (clock_in()) { goto RETURN; } // why this occurs?
- state++;
switch (state) {
- case START:
- // Data:Low
- WAIT(data_hi, 10, state);
- break;
case BIT0:
case BIT1:
case BIT2:
@@ -169,6 +163,10 @@ ISR(IBM4704_INT_VECT)
}
if (!parity)
goto ERROR;
+ break;
+ case STOP:
+ // Data:Low
+ WAIT(data_lo, 100, state);
rbuf_enqueue(data);
ibm4704_error = IBM4704_ERR_NONE;
goto DONE;
@@ -176,13 +174,14 @@ ISR(IBM4704_INT_VECT)
default:
goto ERROR;
}
+ state++;
goto RETURN;
ERROR:
ibm4704_error = state;
while (ibm4704_send(0xFE)) _delay_ms(1); // resend
xprintf("R:%02X%02X\n", state, data);
DONE:
- state = INIT;
+ state = BIT0;
data = 0;
parity = false;
RETURN:
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index cdfc7bc6ad..391064c9b2 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -544,7 +544,7 @@ int8_t sendchar(uint8_t c)
/*******************************************************************************
* main
******************************************************************************/
-static void SetupHardware(void)
+static void setup_mcu(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
@@ -552,7 +552,10 @@ static void SetupHardware(void)
/* Disable clock division */
clock_prescale_set(clock_div_1);
+}
+static void setup_usb(void)
+{
// Leonardo needs. Without this USB device is not recognized.
USB_Disable();
@@ -566,7 +569,9 @@ static void SetupHardware(void)
int main(void) __attribute__ ((weak));
int main(void)
{
- SetupHardware();
+ setup_mcu();
+ keyboard_setup();
+ setup_usb();
sei();
/* wait for USB startup & debug output */
diff --git a/tmk_core/protocol/pjrc/main.c b/tmk_core/protocol/pjrc/main.c
index e7bdcc059a..45eb17d4cd 100644
--- a/tmk_core/protocol/pjrc/main.c
+++ b/tmk_core/protocol/pjrc/main.c
@@ -46,6 +46,8 @@ int main(void)
// set for 16 MHz clock
CPU_PRESCALE(0);
+ keyboard_setup();
+
// Initialize the USB, and then wait for the host to set configuration.
// If the Teensy is powered without a PC connected to the USB port,
// this will wait forever.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 09:03:16 +0000