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[fix] driver: st7565

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added controller class instead of constants
This commit is contained in:
bartool
2023-03-26 09:36:10 +02:00
parent ea5e75d8fc
commit a54a54286e
3 changed files with 53 additions and 41 deletions
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4
firmware/func_gen_stm32f303re_nucleo/Makefile
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@@ -77,6 +77,8 @@ C_SOURCES += ../shared_libs/drivers/mcp41x/mcp41x.c
C_SOURCES += ../shared_libs/drivers/st7565/st7565.c
# hw_button
C_SOURCES += ../shared_libs/drivers/hw_button/hw_button.c
# display
C_SOURCES += ../shared_libs/display/display_gfx.c
# ASM sources
ASM_SOURCES = \
@@ -149,6 +151,8 @@ C_INCLUDES += -I../shared_libs/drivers/mcp41x
C_INCLUDES += -I../shared_libs/drivers/st7565
# hw_button includes
C_INCLUDES += -I../shared_libs/drivers/hw_button
# display includes
C_INCLUDES += -I../shared_libs/display
# compile gcc flags
ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections

75
firmware/shared_libs/drivers/st7565/st7565.c
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@@ -4,87 +4,84 @@
// #include "spi.h"
#include "string.h"
uint8_t st7565_buffor[ST7565_BUFFER_SIZE];
static uint8_t st7565_buffor[ST7565_BUFFER_SIZE];
void ST7565_SendCommand(uint8_t data)
static void ST7565_SendCommand(st7565_handle_t *hdisp, uint8_t data)
{
HAL_GPIO_WritePin(ST7565_A0_GPIO_Port, ST7565_A0_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(hdisp->a0_port, hdisp->a0_pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(&hspi3, &data, 1, HAL_MAX_DELAY);
HAL_SPI_Transmit(hdisp->hspi, &data, 1, HAL_MAX_DELAY);
}
void ST7565_SendData(uint8_t *data, uint16_t size)
static void ST7565_SendData(st7565_handle_t *hdisp, uint8_t *data, uint16_t size)
{
HAL_GPIO_WritePin(ST7565_A0_GPIO_Port, ST7565_A0_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(hdisp->a0_port, hdisp->a0_pin, GPIO_PIN_SET);
HAL_SPI_Transmit(&hspi3, data, size, HAL_MAX_DELAY);
HAL_SPI_Transmit(hdisp->hspi, data, size, HAL_MAX_DELAY);
}
void ST7565_Init(GFX_display_t *disp)
void ST7565_Init(st7565_handle_t *hdisp, GFX_display_t *disp)
{
if (hdisp == NULL || hdisp->hspi == NULL || hdisp->a0_port == NULL || hdisp->cs_port == NULL || hdisp->rst_port == NULL)
{
Error_Handler();
}
disp->width = ST7565_WIDTH;
disp->height = ST7565_HEIGHT;
disp->buffor = st7565_buffor;
// toggle RST low to reset; CS low so it'll listen to us
HAL_GPIO_WritePin(ST7565_CS_GPIO_Port, ST7565_CS_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(hdisp->cs_port, hdisp->cs_pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(ST7565_RST_GPIO_Port, ST7565_RST_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(hdisp->rst_port, hdisp->rst_pin, GPIO_PIN_RESET);
HAL_Delay(500);
HAL_GPIO_WritePin(ST7565_RST_GPIO_Port, ST7565_RST_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(hdisp->rst_port, hdisp->rst_pin, GPIO_PIN_SET);
// LCD bias select
ST7565_SendCommand(CMD_SET_BIAS_7);
ST7565_SendCommand(hdisp, CMD_SET_BIAS_7);
// ADC select
ST7565_SendCommand(CMD_SET_ADC_REVERSE);
ST7565_SendCommand(hdisp, CMD_SET_ADC_REVERSE);
// SHL select
ST7565_SendCommand(CMD_SET_COM_NORMAL);
ST7565_SendCommand(hdisp, CMD_SET_COM_NORMAL);
// Initial display line
ST7565_SendCommand(CMD_SET_DISP_START_LINE);
ST7565_SendCommand(hdisp, CMD_SET_DISP_START_LINE);
// turn on voltage converter (VC=1, VR=0, VF=0)
ST7565_SendCommand(CMD_SET_POWER_CONTROL | 0x4);
ST7565_SendCommand(hdisp, CMD_SET_POWER_CONTROL | 0x4);
// wait for 50% rising
HAL_Delay(50);
// turn on voltage regulator (VC=1, VR=1, VF=0)
ST7565_SendCommand(CMD_SET_POWER_CONTROL | 0x6);
ST7565_SendCommand(hdisp, CMD_SET_POWER_CONTROL | 0x6);
// wait >=50ms
HAL_Delay(50);
// turn on voltage follower (VC=1, VR=1, VF=1)
ST7565_SendCommand(CMD_SET_POWER_CONTROL | 0x7);
ST7565_SendCommand(hdisp, CMD_SET_POWER_CONTROL | 0x7);
// wait
HAL_Delay(10);
// set lcd operating voltage (regulator resistor, ref voltage resistor)
ST7565_SendCommand(CMD_SET_RESISTOR_RATIO | 0x6);
ST7565_SendCommand(hdisp, CMD_SET_RESISTOR_RATIO | 0x6);
ST7565_SendCommand(CMD_DISPLAY_ON);
ST7565_SendCommand(CMD_SET_ALLPTS_NORMAL);
ST7565_SendCommand(CMD_SET_VOLUME_FIRST);
ST7565_SendCommand(CMD_SET_VOLUME_SECOND | (0x00 & 0x3f));
ST7565_SendCommand(hdisp, CMD_DISPLAY_ON);
ST7565_SendCommand(hdisp, CMD_SET_ALLPTS_NORMAL);
ST7565_SendCommand(hdisp, CMD_SET_VOLUME_FIRST);
ST7565_SendCommand(hdisp, CMD_SET_VOLUME_SECOND | (0x00 & 0x3f));
// initial display line
// set page address
// set column address
// write display data
// set up a bounding box for screen updates
// updateBoundingBox(0, 0, LCDWIDTH - 1, LCDHEIGHT - 1);
HAL_GPIO_WritePin(ST7565_CS_GPIO_Port, ST7565_CS_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(hdisp->cs_port, hdisp->cs_pin, GPIO_PIN_SET);
}
void ST7565_DisplayAll(void)
void ST7565_DisplayAll(st7565_handle_t *hdisp)
{
HAL_GPIO_WritePin(ST7565_CS_GPIO_Port, ST7565_CS_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(hdisp->cs_port, hdisp->cs_pin, GPIO_PIN_RESET);
for (uint8_t p = 0; p < 8; p++)
{
ST7565_SendCommand(CMD_SET_PAGE | p);
ST7565_SendCommand(CMD_SET_COLUMN_UPPER | 0);
ST7565_SendCommand(CMD_SET_COLUMN_LOWER | 0);
ST7565_SendCommand(hdisp, CMD_SET_PAGE | p);
ST7565_SendCommand(hdisp, CMD_SET_COLUMN_UPPER | 0);
ST7565_SendCommand(hdisp, CMD_SET_COLUMN_LOWER | 0);
ST7565_SendData(&st7565_buffor[128 * p], 128);
ST7565_SendData(hdisp, &st7565_buffor[128 * p], 128);
}
HAL_GPIO_WritePin(ST7565_CS_GPIO_Port, ST7565_CS_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(hdisp->cs_port, hdisp->cs_pin, GPIO_PIN_SET);
}

15
firmware/shared_libs/drivers/st7565/st7565.h
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@@ -43,5 +43,16 @@
#define CMD_NOP 0xE3
#define CMD_TEST 0xF0
void ST7565_Init(GFX_display_t *disp);
void ST7565_DisplayAll(void);
typedef struct
{
SPI_HandleTypeDef *hspi;
GPIO_TypeDef *cs_port; // ST7565_CS_GPIO_Port
GPIO_TypeDef *a0_port; // ST7565_A0_GPIO_Port
GPIO_TypeDef *rst_port; // ST7565_RST_GPIO_Port
uint16_t cs_pin; // ST7565_CS_Pin
uint16_t a0_pin; // ST7565_A0_Pin
uint16_t rst_pin; // ST7565_RST_Pin
} st7565_handle_t;
void ST7565_Init(st7565_handle_t *hdisp, GFX_display_t *disp);
void ST7565_DisplayAll(st7565_handle_t *hdisp);