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67 lines
1.1 KiB
C
67 lines
1.1 KiB
C
#include "st7789_parallel.h"
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void P_Back_On(void)
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{
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HAL_GPIO_WritePin(P_LEDA_PORT, P_LEDA_PIN, GPIO_PIN_SET);
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}
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void P_Back_Off(void)
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{
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HAL_GPIO_WritePin(P_LEDA_PORT, P_LEDA_PIN, GPIO_PIN_RESET);
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}
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static void P_WaitTe(void)
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{
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while ((P_FMARK_PORT->DATA & P_FMARK_PIN) == 0);
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}
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void P_WriteReg(uint8_t reg)
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{
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P_CS_LOW;
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P_CD_LOW;
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P_WR_LOW;
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MODIFY_REG(P_DATA_PORT->DATA, P_DATA_PIN, reg);
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P_WR_HIGH;
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P_CD_HIGH;
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P_CS_HIGH;
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}
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void P_WriteData8(uint8_t data)
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{
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P_CS_LOW;
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P_WR_LOW;
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MODIFY_REG(P_DATA_PORT->DATA, P_DATA_PIN, data);
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P_WR_HIGH;
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P_CS_HIGH;
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}
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void P_WriteData16(uint16_t data)
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{
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P_CS_LOW;
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P_WR_LOW;
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MODIFY_REG(P_DATA_PORT->DATA, P_DATA_PIN, (data >> 8));
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P_WR_HIGH;
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P_WR_LOW;
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MODIFY_REG(P_DATA_PORT->DATA, P_DATA_PIN, (data & 0x00FF));
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P_WR_HIGH;
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P_CS_HIGH;
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}
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void P_WriteData(uint8_t *data, uint32_t len)
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{
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int i = 0;
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P_CS_LOW;
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P_DATA_PORT->DATA_B_EN &= P_DATA_PIN;
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P_WR_PORT->DATA_B_EN &= P_WR_PIN;
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for (i = 0; i < len; i ++)
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{
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P_WR_PORT->DATA = 0;
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P_DATA_PORT->DATA = data[i];
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P_WR_PORT->DATA = P_WR_PIN;
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}
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P_WR_PORT->DATA_B_EN |= ~P_WR_PIN;
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P_DATA_PORT->DATA_B_EN |= ~P_DATA_PIN;
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P_CS_HIGH;
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}
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