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u8g2-copy
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PA0 and PA2

This commit is contained in:
olikraus 2017-04-13 10:56:46 +02:00
parent 130033eef7
commit 2dd787f028
1 changed files with 26 additions and 6 deletions
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32
sys/arm/stm32l031x6/u8g2_rtc/main.c
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@ -95,7 +95,8 @@ int main()
RCC->IOPENR |= RCC_IOPENR_IOPAEN; /* Enable clock for GPIO Port A */ RCC->IOPENR |= RCC_IOPENR_IOPAEN; /* Enable clock for GPIO Port A */
__NOP(); __NOP();
__NOP(); __NOP();
/* LED output line */
GPIOA->MODER &= ~GPIO_MODER_MODE13; /* clear mode for PA13 */ GPIOA->MODER &= ~GPIO_MODER_MODE13; /* clear mode for PA13 */
GPIOA->MODER |= GPIO_MODER_MODE13_0; /* Output mode for PA13 */ GPIOA->MODER |= GPIO_MODER_MODE13_0; /* Output mode for PA13 */
GPIOA->OTYPER &= ~GPIO_OTYPER_OT_13; /* Push/Pull for PA13 */ GPIOA->OTYPER &= ~GPIO_OTYPER_OT_13; /* Push/Pull for PA13 */
@ -104,7 +105,18 @@ int main()
GPIOA->BSRR = GPIO_BSRR_BR_13; /* atomic clr PA13 */ GPIOA->BSRR = GPIO_BSRR_BR_13; /* atomic clr PA13 */
GPIOA->BSRR = GPIO_BSRR_BS_13; /* atomic set PA13 */ GPIOA->BSRR = GPIO_BSRR_BS_13; /* atomic set PA13 */
/* setup display */ /* PA0, button input */
GPIOA->MODER &= ~GPIO_MODER_MODE0; /* clear mode for PA0 */
GPIOA->PUPDR &= ~GPIO_PUPDR_PUPD0; /* no pullup/pulldown for PA0 */
GPIOA->PUPDR |= GPIO_PUPDR_PUPD0_0; /* pullup for PA0 */
/* PA2, button input */
GPIOA->MODER &= ~GPIO_MODER_MODE2; /* clear mode for PA2 */
GPIOA->PUPDR &= ~GPIO_PUPDR_PUPD2; /* no pullup/pulldown for PA2 */
GPIOA->PUPDR |= GPIO_PUPDR_PUPD2_0; /* pullup for PA2 */
/* setup display */
u8g2_Setup_ssd1306_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_sw_i2c, u8x8_gpio_and_delay_stm32l0); u8g2_Setup_ssd1306_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_sw_i2c, u8x8_gpio_and_delay_stm32l0);
u8g2_InitDisplay(&u8g2); u8g2_InitDisplay(&u8g2);
u8g2_SetPowerSave(&u8g2, 0); u8g2_SetPowerSave(&u8g2, 0);
@ -166,12 +178,20 @@ int main()
rtc_register_to_bcd(&rtc); rtc_register_to_bcd(&rtc);
rtc_bcd_to_ymd_hms(&rtc); rtc_bcd_to_ymd_hms(&rtc);
rtc_draw_time(&rtc, &u8g2); rtc_draw_time(&rtc, &u8g2);
if ( GPIOA->IDR & GPIO_IDR_ID0 )
u8g2_DrawStr(&u8g2, 20, 50, "+");
else
u8g2_DrawStr(&u8g2, 20, 50, "-");
if ( GPIOA->IDR & GPIO_IDR_ID2 )
u8g2_DrawStr(&u8g2, 0, 50, "+");
else
u8g2_DrawStr(&u8g2, 0, 50, "-");
u8g2_SendBuffer(&u8g2); u8g2_SendBuffer(&u8g2);
delay_micro_seconds(500000); delay_micro_seconds(50000);
GPIOA->BSRR = GPIO_BSRR_BS_13; /* atomic set PA13 */ GPIOA->BSRR = GPIO_BSRR_BR_13; /* atomic set PA13 */
delay_micro_seconds(500000); delay_micro_seconds(50000);
GPIOA->BSRR = GPIO_BSRR_BR_13; /* atomic clr PA13 */ GPIOA->BSRR = GPIO_BSRR_BS_13; /* atomic clr PA13 */
//display_WriteUnsigned(RTC->TR); //display_WriteUnsigned(RTC->TR);