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Tweak some HAL Due code

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This commit is contained in:
Scott Lahteine 2019-01-23 00:52:53 -06:00
parent f7d96c5b28
commit 48a581ba2e
1 changed files with 5 additions and 17 deletions
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16
Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp
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@ -71,8 +71,7 @@ void u8g_SetPIOutput_DUE(u8g_t *u8g, uint8_t pin_index) {
void u8g_SetPILevel_DUE(u8g_t *u8g, uint8_t pin_index, uint8_t level) {
volatile Pio* port = g_APinDescription[u8g->pin_list[pin_index]].pPort;
uint32_t mask = g_APinDescription[u8g->pin_list[pin_index]].ulPin;
if (level) port->PIO_SODR = mask;
else port->PIO_CODR = mask;
if (level) port->PIO_SODR = mask; else port->PIO_CODR = mask;
}
Pio *SCK_pPio, *MOSI_pPio;
@ -95,26 +94,15 @@ static void spiSend_sw_DUE(uint8_t val) { // 800KHz
static uint8_t rs_last_state = 255;
static void u8g_com_DUE_st7920_write_byte_sw_spi(uint8_t rs, uint8_t val) {
uint8_t i;
if (rs != rs_last_state) { // time to send a command/data byte
rs_last_state = rs;
if ( rs == 0 )
/* command */
spiSend_sw_DUE(0x0F8);
else
/* data */
spiSend_sw_DUE(0x0FA);
spiSend_sw_DUE(rs ? 0x0FA : 0x0F8); // Command or Data
DELAY_US(40); // give the controller some time to process the data: 20 is bad, 30 is OK, 40 is safe
}
spiSend_sw_DUE(val & 0x0F0);
spiSend_sw_DUE(val << 4);
}
uint8_t u8g_com_HAL_DUE_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
switch (msg) {
case U8G_COM_MSG_INIT: