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@@ -64,15 +64,14 @@
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64
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64
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#include "../shared/Delay.h"
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65
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66
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void u8g_SetPIOutput_DUE(u8g_t *u8g, uint8_t pin_index) {
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67
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- PIO_Configure(g_APinDescription[u8g->pin_list[pin_index]].pPort, PIO_OUTPUT_1,
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68
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- g_APinDescription[u8g->pin_list[pin_index]].ulPin, g_APinDescription[u8g->pin_list[pin_index]].ulPinConfiguration); // OUTPUT
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+ PIO_Configure(g_APinDescription[u8g->pin_list[pin_index]].pPort, PIO_OUTPUT_1,
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+ g_APinDescription[u8g->pin_list[pin_index]].ulPin, g_APinDescription[u8g->pin_list[pin_index]].ulPinConfiguration); // OUTPUT
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}
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void u8g_SetPILevel_DUE(u8g_t *u8g, uint8_t pin_index, uint8_t level) {
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volatile Pio* port = g_APinDescription[u8g->pin_list[pin_index]].pPort;
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uint32_t mask = g_APinDescription[u8g->pin_list[pin_index]].ulPin;
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- if (level) port->PIO_SODR = mask;
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- else port->PIO_CODR = mask;
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+ if (level) port->PIO_SODR = mask; else port->PIO_CODR = mask;
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}
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Pio *SCK_pPio, *MOSI_pPio;
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@@ -95,26 +94,15 @@ static void spiSend_sw_DUE(uint8_t val) { // 800KHz
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static uint8_t rs_last_state = 255;
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static void u8g_com_DUE_st7920_write_byte_sw_spi(uint8_t rs, uint8_t val) {
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- uint8_t i;
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-
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- if ( rs != rs_last_state) { // time to send a command/data byte
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+ if (rs != rs_last_state) { // time to send a command/data byte
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rs_last_state = rs;
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-
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- if ( rs == 0 )
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- /* command */
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- spiSend_sw_DUE(0x0F8);
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- else
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- /* data */
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- spiSend_sw_DUE(0x0FA);
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-
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+ spiSend_sw_DUE(rs ? 0x0FA : 0x0F8); // Command or Data
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100
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DELAY_US(40); // give the controller some time to process the data: 20 is bad, 30 is OK, 40 is safe
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}
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-
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spiSend_sw_DUE(val & 0x0F0);
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spiSend_sw_DUE(val << 4);
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}
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-
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uint8_t u8g_com_HAL_DUE_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
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107
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switch (msg) {
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case U8G_COM_MSG_INIT:
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