j3d1/fiatlux-cc48-proto
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j3d1 2022-11-01 16:46:38 +01:00
parent a7c949ad0e
commit dc82804d22
2 changed files with 95 additions and 51 deletions
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2
Makefile
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@ -20,7 +20,7 @@ TARGET = stm32f030c8t_test
# building variables
######################################
# debug build?
DEBUG = 0
DEBUG = 1
# optimization
OPT = -O3

140
Src/main.c
View file

@ -59,11 +59,13 @@ void SystemClock_Config(void);
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
bool dirty = false;
uint16_t mem[12] = {0};
bool dirty = true;
//uint16_t mem[12] = {0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF};
uint16_t mem[12] = {0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40};
#define BUFFER_SIZE 64
uint16_t RX_Buffer[BUFFER_SIZE] = {0};
uint16_t TX_Buffer[BUFFER_SIZE] = {0};
void HAL_SPI_CpltCallback(SPI_HandleTypeDef *hspi) {
@ -102,43 +104,18 @@ void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) {
//HAL_SPI_Transmit_DMA(&hspi2, (uint8_t *) TX_Buffer, 4);
}
void initPWM(TIM_HandleTypeDef timer, uint32_t channel, uint16_t period,
uint16_t pulse) {
//HAL_TIM_PWM_Stop(&timer, channel);
// stop generation of pwm
TIM_OC_InitTypeDef sConfigOC;
timer.Init.Period = period;
// set the period duration
HAL_TIM_PWM_Init(&timer); // reinititialise with new period value
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = pulse;
// set the pulse duration
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
HAL_TIM_PWM_ConfigChannel(&timer, &sConfigOC, channel);
HAL_TIM_PWM_Start(&timer, channel);
}
void setPWM(TIM_HandleTypeDef timer, uint32_t channel, uint16_t period,
uint16_t pulse) {
//HAL_TIM_PWM_Stop(&timer, channel);
// stop generation of pwm
TIM_OC_InitTypeDef sConfigOC;
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = pulse;
// set the pulse duration
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
HAL_TIM_PWM_ConfigChannel(&timer, &sConfigOC, channel);
//HAL_TIM_PWM_Start(&timer, channel);
}
void setDAC(uint8_t channel, uint16_t val) {
uint16_t frame = (val & 0x0FFF) | (0x7000 & (channel << 12));
HAL_SPI_Transmit(&hspi1, (uint8_t * ) & frame, 1, 100);
}
/* USER CODE END 0 */
static uint8_t pwm_lookup[] = {0, 1, 2, 3, 10, 11, 12, 20, 21, 32, 32, 42, 42, 52, 52, 61, 61, 70, 70, 79, 79, 88, 88,
98, 98, 107, 107, 117, 117, 127, 127, 137, 137, 147, 147, 157, 157, 167, 167, 177, 177,
187, 187, 197, 197, 207, 207, 217, 217, 227, 227, 237, 237, 247, 247, 255, 255};
/**
* @brief The application entry point.
* @retval int
@ -175,6 +152,28 @@ int main(void) {
MX_SPI2_Init();
TIM1->ARR = 254;
TIM1->CCR1 = 10;
TIM1->CCR2 = 10;
TIM1->CCR3 = 10;
TIM1->CCR4 = 10;
TIM1->CCMR1 = 0x6868;
TIM1->CCMR2 = 0x6868;
TIM1->CCER = 0x1111;
TIM1->EGR |= TIM_EGR_UG;
TIM1->BDTR |= TIM_BDTR_MOE;
TIM1->CR1 |= TIM_CR1_CEN;
TIM3->ARR = 254;
TIM3->CCR1 = 10;
TIM3->CCR2 = 10;
TIM3->CCMR1 = 0x6868;
TIM3->CCER = 0x1111;
TIM3->EGR |= TIM_EGR_UG;
TIM3->BDTR |= TIM_BDTR_MOE;
TIM3->CR1 |= TIM_CR1_CEN;
HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_RESET);
uint16_t frame = 0b1001000000000000;
@ -184,12 +183,12 @@ int main(void) {
setDAC(i, mem[i * 2]);
}
initPWM(htim1, TIM_CHANNEL_1, 255, 0xFF & mem[1]);
initPWM(htim1, TIM_CHANNEL_2, 255, 0xFF & mem[3]);
initPWM(htim1, TIM_CHANNEL_3, 255, 0xFF & mem[5]);
initPWM(htim1, TIM_CHANNEL_4, 255, 0xFF & mem[7]);
initPWM(htim3, TIM_CHANNEL_1, 255, 0xFF & mem[9]);
initPWM(htim3, TIM_CHANNEL_2, 255, 0xFF & mem[11]);
TIM1->CCR1 = 0xFF & mem[1];
TIM1->CCR2 = 0xFF & mem[3];
TIM1->CCR3 = 0xFF & mem[5];
TIM1->CCR4 = 0xFF & mem[7];
TIM3->CCR1 = 0xFF & mem[9];
TIM3->CCR2 = 0xFF & mem[11];
HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_SET);
@ -204,24 +203,69 @@ int main(void) {
/* USER CODE BEGIN 3 */
#if 1
if(dirty) {
HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_RESET);
for (int i = 0; i < 6; ++i) {
setDAC(i, mem[i * 2]);
}
initPWM(htim1, TIM_CHANNEL_1, 255, 0xFF & mem[1]);
initPWM(htim1, TIM_CHANNEL_2, 255, 0xFF & mem[3]);
initPWM(htim1, TIM_CHANNEL_3, 255, 0xFF & mem[5]);
initPWM(htim1, TIM_CHANNEL_4, 255, 0xFF & mem[7]);
initPWM(htim3, TIM_CHANNEL_1, 255, 0xFF & mem[9]);
initPWM(htim3, TIM_CHANNEL_2, 255, 0xFF & mem[11]);
TIM1->CCR1 = 0xFF & mem[1];
TIM1->CCR2 = 0xFF & mem[3];
TIM1->CCR3 = 0xFF & mem[5];
TIM1->CCR4 = 0xFF & mem[7];
TIM3->CCR1 = 0xFF & mem[9];
TIM3->CCR2 = 0xFF & mem[11];
dirty = false;
HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_SET);
}
HAL_Delay(50);
}
#else
setDAC(0, 50 << 4);
setDAC(1, 50 << 4);
setDAC(2, 50 << 4);
setDAC(3, 50 << 4);
setDAC(4, 50 << 4);
setDAC(5, 50 << 4);
HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_SET);
for (int i = 0; i < sizeof(pwm_lookup); i++) {
uint8_t j = pwm_lookup[i];
TIM1->CCR1 = j;
TIM1->CCR2 = j;
TIM1->CCR3 = j;
TIM1->CCR4 = j;
TIM3->CCR1 = j;
TIM3->CCR2 = j;
HAL_Delay(5);
}
TIM1->CCR1 = 256;
TIM1->CCR2 = 256;
TIM1->CCR3 = 256;
TIM1->CCR4 = 256;
TIM3->CCR1 = 256;
TIM3->CCR2 = 256;
for (int i = 50; i < 256; i++) {
setDAC(0, i << 4);
setDAC(1, i << 4);
setDAC(2, i << 4);
setDAC(3, i << 4);
setDAC(4, i << 4);
setDAC(5, i << 4);
HAL_Delay(5);
}
HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_RESET);
HAL_Delay(200);
#endif
}
/* USER CODE END 3 */