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display v2: Always check if already initialized

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CTCaer 2020-04-30 13:55:26 +03:00
parent c32636b8cb
commit 4a57901746
2 changed files with 12 additions and 0 deletions
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6
bootloader/gfx/di.c
View file

@ -35,6 +35,8 @@ extern volatile nyx_storage_t *nyx_str;
static u32 _display_id = 0; static u32 _display_id = 0;
void display_end();
static void _display_dsi_wait(u32 timeout, u32 off, u32 mask) static void _display_dsi_wait(u32 timeout, u32 off, u32 mask)
{ {
u32 end = get_tmr_us() + timeout; u32 end = get_tmr_us() + timeout;
@ -54,6 +56,10 @@ static void _display_dsi_send_cmd(u8 cmd, u32 param, u32 wait)
void display_init() void display_init()
{ {
// Check if display is already initialized.
if (CLOCK(CLK_RST_CONTROLLER_CLK_ENB_L_SET) & 0x18000000)
display_end();
// Power on. // Power on.
max77620_regulator_set_volt_and_flags(REGULATOR_LDO0, 1200000, MAX77620_POWER_MODE_NORMAL); // Configure to 1.2V. max77620_regulator_set_volt_and_flags(REGULATOR_LDO0, 1200000, MAX77620_POWER_MODE_NORMAL); // Configure to 1.2V.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO7, MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH | MAX77620_CNFG_GPIO_DRV_PUSHPULL); i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO7, MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH | MAX77620_CNFG_GPIO_DRV_PUSHPULL);

6
nyx/nyx_gui/gfx/di.c
View file

@ -35,6 +35,8 @@ extern volatile nyx_storage_t *nyx_str;
static u32 _display_id = 0; static u32 _display_id = 0;
void display_end();
static void _display_dsi_wait(u32 timeout, u32 off, u32 mask) static void _display_dsi_wait(u32 timeout, u32 off, u32 mask)
{ {
u32 end = get_tmr_us() + timeout; u32 end = get_tmr_us() + timeout;
@ -54,6 +56,10 @@ static void _display_dsi_send_cmd(u8 cmd, u32 param, u32 wait)
void display_init() void display_init()
{ {
// Check if display is already initialized.
if (CLOCK(CLK_RST_CONTROLLER_CLK_ENB_L_SET) & 0x18000000)
display_end();
// Power on. // Power on.
max77620_regulator_set_volt_and_flags(REGULATOR_LDO0, 1200000, MAX77620_POWER_MODE_NORMAL); // Configure to 1.2V. max77620_regulator_set_volt_and_flags(REGULATOR_LDO0, 1200000, MAX77620_POWER_MODE_NORMAL); // Configure to 1.2V.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO7, MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH | MAX77620_CNFG_GPIO_DRV_PUSHPULL); i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO7, MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH | MAX77620_CNFG_GPIO_DRV_PUSHPULL);