STM ๊ฒ€์ƒ‰ ๊ฒฐ๊ณผ
4 ๊ฐœ์˜ ๊ฒ€์ƒ‰ ๊ฒฐ๊ณผ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
EMBEDED/STM (CM3,4,7...)

[STM] STM32F103์œผ๋กœ ์ ์™ธ์„ (IR) ์˜จ๋„ ์„ผ์„œ๋ฅผ I2C๋กœ ์ œ์–ดํ•˜๊ธฐ

STM์‚ฌ์˜ MCU์ธ STM32F103C8T6์„ ์‚ฌ์šฉํ•˜์—ฌ ์ ์™ธ์„  ์˜จ๋„ ์„ผ์„œ๋ฅผ I2C๋กœ ์ œ์–ดํ•ด๋ณด๊ฒ ๋‹ค. ์ ์™ธ์„  ์˜จ๋„ ์„ผ์„œ๋Š” ๋ฌผ์ฒด์—์„œ ๋ฐœ์‚ฐํ•˜๋Š” ์—ด(์˜จ๋„)์— ๋”ฐ๋ผ ํŠน์ • ์˜์—ญ์˜ ์ฃผํŒŒ์ˆ˜๊ฐ€ ๊ณ„์ธก์ด ๋˜๋Š” ์„ผ์„œ๋กœ ๋น„์ ‘์ด‰์‹ ์˜จ๋„ ๊ณ„์ธก์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ๋Œ€์‹  ์ •๋ฐ€๋„๊ฐ€ ๋–จ์–ด์ง„๋‹ค. ์ •๋ฐ€ํ•œ๊ฑด ๋น„์‹ธ๊ณ  ์„ผ์„œ๊ฐ€ ์—ด์ด ๋งŽ์ด ๋‚˜์„œ ๋ƒ‰๊ฐ ์žฅ์น˜๊ฐ€ ํ•„์š”ํ•˜๋‹ค. ์•”ํŠผ ์ ์™ธ์„  ์˜จ๋„ ์„ผ์„œ๋Š” MLX90614๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค. float readTemp(I2C_HandleTypeDef *hi2c) { uint8_t IRbuffer[2]; // buffer[0] = MLX90614_TOBJ1; HAL_I2C_Mem_Read(hi2c, (MLX90614_ADDRESS

2023. 4. 27. 10:08
EMBEDED/STM (CM3,4,7...)

[STM] STM32F103C8T6์œผ๋กœ ADXL345 ๊ฐ€์†๋„(์ž์ด๋กœ) ์„ผ์„œ I2C๋กœ ์ œ์–ดํ•˜๊ธฐ

STM์˜ MCU์ธ STM32F103C8T6์œผ๋กœ ์•„๋‚ ๋กœ๊ทธ ๋””๋ฐ”์ด์Šค์˜ ADXL345 ๊ฐ€์†๋„(์ž์ด๋กœ) ์„ผ์„œ๋ฅผ I2C๋ฅผ ์ด์šฉํ•˜์—ฌ ์ œ์–ดํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ๋‹ค. 1) ์ดˆ๊ธฐํ™” ๋จผ์ € ์ดˆ๊ธฐํ™”๋ฅผ ํ•ด์ค˜์•ผ ํ•œ๋‹ค. ๋ ˆ์ง€์Šคํ„ฐ ์„ธํŒ…์„ ํ•ด์ค„ ๊ฒƒ์ด๋‹ค. txData[0] = 0x31; // Data format control, Range = +/-16g (D1,D0 : 1 1) txData[1] = 0x0B; // FULL_RES + Range HAL_I2C_Master_Transmit(&hi2c1, ADXL345_ADDRESS, txData, 2, HAL_MAX_DELAY); (1) ๋ฐ์ดํ„ฐ ํฌ๋ฉง ์„ค์ • ์ด ์„ผ์„œ์˜ ๊ธฐ๋ณธ ํ•ด์ƒ๋„๋Š” 10-bit์ด๋‹ค. ์ตœ๋Œ€ ํ•ด์ƒ๋„๋Š” 13-bit๋กœ ์„ค์ •์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ๊ฐ€์†๋„ g ๊ฐ’๋„ 2~16 ์‚ฌ์ด์—์„œ ์„ค์ •์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ..

2023. 4. 26. 18:56
EMBEDED/STM (CM3,4,7...)

[STM32F103] UART TEST CODE (NO HAL)

STM32F103 ๊ณ„์—ด๋กœ UARTํ†ต์‹  ํ…Œ์ŠคํŠธ๋ฅผ ํ•˜๊ธฐ ์œ„ํ•œ ๋‚ด์šฉ์ด๋‹ค. ์š”์ฆ˜ ํŽธ๋ฆฌํ•˜๊ฒŒ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก ST์—์„œ๋Š” HAL๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ œ๊ณตํ•˜๊ณ  ์žˆ๋‹ค. ๊ทธ๋Ÿฐ๋ฐ HAL๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ๋‚˜์˜ค๊ธฐ ์ „์— ๊ฐœ๋ฐœ๋œ ํ”„๋กœ๊ทธ๋žจ๋“ค์„ ์œ ์ง€๋ณด์ˆ˜ ํ•ด์•ผ ํ•  ์ผ์ด ์žˆ๋‹ค. 1. UART ์ดˆ๊ธฐํ™” ๋ณด๋“œ ๊ตฌ์„ฑ์ด UART4๋ฅผ ํ†ตํ•ด ์‹œ๋ฆฌ์–ผ์„ ์—ฐ๊ฒฐํ•  ์ˆ˜ ์žˆ์–ด์„œ ์•„๋ž˜์™€ ๊ฐ™์ด ์ดˆ๊ธฐํ™”๋ฅผ ํ•˜์˜€๋‹ค. RCC->APB1ENR |= RCC_APB1ENR_UART4EN; RCC->APB2ENR |= RCC_APB2ENR_IOPCEN; GPIOC->CRH |= (0x0BUL CR1 |= (1

2023. 1. 4. 13:59
EMBEDED/STM (CM3,4,7...)

[STM] STM32F103, ADC 2์ฑ„๋„ ์ฝ๊ธฐ

ํด๋ง ๋ฐฉ์‹์œผ๋กœ ADC1์˜ 2์ฑ„๋„์„ ์ฝ์–ด๋ดค๋‹ค. ์„ธํŒ…์€ ์•„๋ž˜์™€ ๊ฐ™๋‹ค. ์ฝ”๋“œ๋Š” ๊ฑฐ์ง€๊ฐ™์ง€๋งŒ ์•„๋ž˜์™€ ๊ฐ™๋‹ค. void adc() { int value[3]; HAL_ADC_Start(&hadc1); HAL_ADC_PollForConversion(&hadc1, 10); value[0] = HAL_ADC_GetValue(&hadc1); value[0] = value[0] * 0.78947 ; HAL_ADC_Start(&hadc1); HAL_ADC_PollForConversion(&hadc1, 10); value[1] = HAL_ADC_GetValue(&hadc1); value[1] = value[1] * 0.83211; value[2] = value[1] * 3.1276; HAL_ADC_Stop(&hadc1); pri..

2022. 9. 14. 17:48