void I2C_PrintErrorFlags(void)
{
if (!i2c_error_flags)
{
COM_Printf("\r\nNo I2C error\r\n");
return;
}
COM_Printf("\r\nI2C failure: %04X",i2c_error_flags);
if (i2c_error_flags & I2C_SR1_SB)
COM_Puts(", Bus busy");
if (i2c_error_flags & I2C_SR1_BERR)
COM_Puts(", Bus error");
if (i2c_error_flags & I2C_SR1_ARLO)
COM_Puts(", Arbitration lost");
if (i2c_error_flags & I2C_SR1_AF)
COM_Puts(", Acknowledge fail");
if (i2c_error_flags & I2C_SR1_OVR)
COM_Puts(", Overrun");
if (i2c_error_flags & I2C_SR1_PECERR)
COM_Puts(", PEC error");
if (i2c_error_flags & I2C_SR1_TIMEOUT)
COM_Puts(", SMBus timeout");
if (i2c_error_flags & I2C_SR1_SMBALERT)
COM_Puts(", SMBus alert");
COM_Puts("\r\n");
}
Ecode_t COM_PrintCarriageReturn(COM_Port_t port)
{
if (checkValidPort(port)==false)
{
return EMBER_ERR_FATAL;
}
return COM_Printf(port, "\r\n");
}
static void keyboard_task(void *par)
{
uint8_t keyb_last,code;
keyb_last = 0;
code = 0;
I2C_RandWrite(KEYBCTRL_ADDR,KBREG_CTRL,1,&keyb_last,1);
while (!GPIO_ReadInputDataBit(KBD_IRQn_PORT,KBD_IRQn_PIN))
{
keyboard_stroke();
vTaskDelay(kDec/2);
}
xSemaphoreTake(xSemaKeybo,0);
NVIC_EnableIRQ(KBD_IRQn_EXTI_IRQn);
for (;;)
{
keyboard_irq_eve(portMAX_DELAY);
if (I2C_RandRead(KEYBCTRL_ADDR,KBREG_MASK,1,&code,1))
{
Dprintf(DBGLVL_Keyboard,"keyboard: code=%02X",code);
keyboard_stroke();
if (code)
{
keyb_last = key_decode(code);
Dprintf(DBGLVL_Keyboard,"keyboard: %02X",keyb_last);
if (keyb_last)
{
COM_Printf("\r\n*KEYB: %02X,\"%c\"\r\n",code,keyb_last);
if (!keyboard_irq_eve(KEYPRESSED_TIME))
{
// still pressed
key_putstroke(keyb_last,0);
//BuzzerSet(BUZTYPE_TOCK);
}
else
{
// released
keyboard_stroke();
Dprintf(DBGLVL_Keyboard,"keyboard: invalid pressure time");
continue; // already released
}
}
keyboard_waitrelease();
key_putstroke(keyb_last | KEY_RELEASED,0);
Dprintf(DBGLVL_Keyboard,"keyboard: released");
}
}
}
}