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implemented protocol turning on and off

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dekunukem
2021-12-17 10:55:23 +00:00
parent d22e7b44cf
commit e325ee6b30
16 changed files with 1385 additions and 1335 deletions
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79
firmware/ibmpc/Src/main.c
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@@ -88,7 +88,7 @@ uint8_t spi_error_occured;
#define PROTOCOL_STATUS_DISABLED 2
#define PROTOCOL_LOOKUP_SIZE 16
uint8_t protocol_lookup[PROTOCOL_LOOKUP_SIZE];
uint8_t protocol_status_lookup[PROTOCOL_LOOKUP_SIZE];
/* USER CODE END PV */
@@ -118,40 +118,49 @@ int16_t byte_to_int16_t(uint8_t lsb, uint8_t msb)
return (int16_t)((msb << 8) | lsb);
}
void handle_protocol_switch(uint8_t before, uint8_t after)
void handle_protocol_switch(uint8_t spi_byte)
{
if(before == after)
uint8_t index = spi_byte & 0x7f;
uint8_t onoff = spi_byte & 0x80;
if(index >= PROTOCOL_LOOKUP_SIZE)
return;
if((before & 0x7f) != (after & 0x7f))
// trying to change a protocol that is not available on this board
if(protocol_status_lookup[index] == PROTOCOL_STATUS_NOT_AVAILABLE)
return;
if((before & 0x80) > (after & 0x80)) // switching off
if(onoff)
{
switch(after & 0x7f)
protocol_status_lookup[index] = PROTOCOL_STATUS_ENABLED;
}
else
{
protocol_status_lookup[index] = PROTOCOL_STATUS_DISABLED;
switch(index)
{
case PROTOCOL_AT_PS2_KB:
printf("PS2KB off\n");
// printf("PS2KB off\n");
ps2kb_release_lines();
ps2kb_reset();
break;
// case PROTOCOL_XT_KB:
// printf("XTKB off\n");
// break;
case PROTOCOL_XT_KB:
// printf("XTKB off\n");
break;
case PROTOCOL_PS2_MOUSE:
printf("PS2MOUSE off\n");
// printf("PS2MOUSE off\n");
ps2mouse_reset();
ps2mouse_release_lines();
break;
// case PROTOCOL_MICROSOFT_SERIAL_MOUSE:
// printf("SERMOUSE off\n");
// break;
case PROTOCOL_MICROSOFT_SERIAL_MOUSE:
// printf("SERMOUSE off\n");
break;
// case PROTOCOL_GENERIC_GAMEPORT_GAMEPAD:
// printf("GGP off\n");
// release all buttons, reset digital pot to middle
// break;
case PROTOCOL_GENERIC_GAMEPORT_GAMEPAD:
// printf("GGP off\n");
// release all buttons, reset digital pot to middle
break;
}
}
}
@@ -203,12 +212,12 @@ void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
uint8_t curr_index = 8;
for (int i = 0; i < PROTOCOL_LOOKUP_SIZE; i++)
{
if(protocol_lookup[i] == PROTOCOL_STATUS_NOT_AVAILABLE)
if(protocol_status_lookup[i] == PROTOCOL_STATUS_NOT_AVAILABLE)
continue;
else if(protocol_lookup[i] == PROTOCOL_STATUS_DISABLED)
else if(protocol_status_lookup[i] == PROTOCOL_STATUS_DISABLED)
spi_transmit_buf[curr_index] = i;
else if(protocol_lookup[i] == PROTOCOL_STATUS_ENABLED)
spi_transmit_buf[curr_index] = i & 0x80;
else if(protocol_status_lookup[i] == PROTOCOL_STATUS_ENABLED)
spi_transmit_buf[curr_index] = i | 0x80;
curr_index++;
}
}
@@ -218,9 +227,7 @@ void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
{
if(backup_spi1_recv_buf[i] == 0)
break;
uint8_t protocol_index = backup_spi1_recv_buf[i] & 0x7f;
if(protocol_index < PROTOCOL_LOOKUP_SIZE)
handle_protocol_switch(protocol_lookup[protocol_index], backup_spi1_recv_buf[i]);
handle_protocol_switch(backup_spi1_recv_buf[i]);
}
}
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
@@ -360,14 +367,14 @@ void spi_error_dump_reboot(void)
const char boot_message[] = "USB4VC Protocol Board\nIBM PC Compatible\ndekuNukem 2022";
void protocol_lookup_init(void)
void protocol_status_lookup_init(void)
{
memset(protocol_lookup, PROTOCOL_STATUS_NOT_AVAILABLE, PROTOCOL_LOOKUP_SIZE);
protocol_lookup[PROTOCOL_AT_PS2_KB] = PROTOCOL_STATUS_ENABLED;
protocol_lookup[PROTOCOL_XT_KB] = PROTOCOL_STATUS_ENABLED;
protocol_lookup[PROTOCOL_PS2_MOUSE] = PROTOCOL_STATUS_ENABLED;
protocol_lookup[PROTOCOL_MICROSOFT_SERIAL_MOUSE] = PROTOCOL_STATUS_ENABLED;
protocol_lookup[PROTOCOL_GENERIC_GAMEPORT_GAMEPAD] = PROTOCOL_STATUS_ENABLED;
memset(protocol_status_lookup, PROTOCOL_STATUS_NOT_AVAILABLE, PROTOCOL_LOOKUP_SIZE);
protocol_status_lookup[PROTOCOL_AT_PS2_KB] = PROTOCOL_STATUS_ENABLED;
protocol_status_lookup[PROTOCOL_XT_KB] = PROTOCOL_STATUS_ENABLED;
protocol_status_lookup[PROTOCOL_PS2_MOUSE] = PROTOCOL_STATUS_ENABLED;
protocol_status_lookup[PROTOCOL_MICROSOFT_SERIAL_MOUSE] = PROTOCOL_STATUS_ENABLED;
protocol_status_lookup[PROTOCOL_GENERIC_GAMEPORT_GAMEPAD] = PROTOCOL_STATUS_ENABLED;
}
/* USER CODE END 0 */
@@ -412,6 +419,7 @@ int main(void)
ps2mouse_init(PS2MOUSE_CLK_GPIO_Port, PS2MOUSE_CLK_Pin, PS2MOUSE_DATA_GPIO_Port, PS2MOUSE_DATA_Pin);
ps2kb_buf_init(&my_ps2kb_buf, 16);
ps2mouse_buf_init(&my_ps2mouse_buf, 16);
protocol_status_lookup_init();
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
mcp4451_reset();
if(mcp4451_is_available() == 0)
@@ -432,10 +440,11 @@ int main(void)
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
// if()
ps2mouse_update();
if(protocol_status_lookup[PROTOCOL_PS2_MOUSE] == PROTOCOL_STATUS_ENABLED)
ps2mouse_update();
// serial_mouse_update();
ps2kb_update();
if(protocol_status_lookup[PROTOCOL_AT_PS2_KB] == PROTOCOL_STATUS_ENABLED)
ps2kb_update();
if(spi_error_occured)
spi_error_dump_reboot();
}