bissen21/Marlin_Firmware
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Misc. improvements (#12747)

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* Make ExtUI respect MAXTEMP limits
  - Temperatures are now clamped by MAXTEMP limits rather than arbitrary values.
* Speed up USB init, add status
  - Speed up USB initialization
  - Show status message if init failed
* Enable status messages for EXTENSIBLE_UI
* Adjust max limit to MAX_TEMP - 15
* Misc. tweaks to formatting, const, etc.
This commit is contained in:
Marcio Teixeira
2019-01-01 14:17:48 -07:00
committed by Scott Lahteine
parent 4f2473053c
commit 60cb36bef3
12 changed files with 188 additions and 209 deletions
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23
Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp
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@ -80,20 +80,13 @@ static uint8_t rs_last_state = 255;
static void u8g_com_LPC1768_st7920_write_byte_hw_spi(uint8_t rs, uint8_t val) {
if ( rs != rs_last_state) { // time to send a command/data byte
if (rs != rs_last_state) { // Time to send a command/data byte
rs_last_state = rs;
if ( rs == 0 )
/* command */
spiSend(0x0F8);
else
/* data */
spiSend(0x0FA);
DELAY_US(40); // give the controller some time to process the data: 20 is bad, 30 is OK, 40 is safe
spiSend(rs ? 0x0FA : 0x0F8); // Send data or command
DELAY_US(40); // Give the controller some time: 20 is bad, 30 is OK, 40 is safe
}
spiSend(val & 0x0F0);
spiSend(val & 0xF0);
spiSend(val << 4);
}
@ -104,8 +97,8 @@ uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t ar
u8g_SetPIOutput(u8g, U8G_PI_CS);
u8g_Delay(5);
spiBegin();
spiInit(SPI_EIGHTH_SPEED); // ST7920 max speed is about 1.1 MHz
u8g->pin_list[U8G_PI_A0_STATE] = 0; /* inital RS state: command mode */
spiInit(SPI_EIGHTH_SPEED); // ST7920 max speed is about 1.1 MHz
u8g->pin_list[U8G_PI_A0_STATE] = 0; // initial RS state: command mode
break;
case U8G_COM_MSG_STOP:
@ -115,12 +108,12 @@ uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t ar
u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
break;
case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
case U8G_COM_MSG_ADDRESS: // Define cmd (arg_val = 0) or data mode (arg_val = 1)
u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
break;
case U8G_COM_MSG_CHIP_SELECT:
u8g_SetPILevel(u8g, U8G_PI_CS, arg_val); //note: the st7920 has an active high chip select
u8g_SetPILevel(u8g, U8G_PI_CS, arg_val); // Note: the ST7920 has an active high chip-select
break;
case U8G_COM_MSG_WRITE_BYTE: