marisa/tcd1304-driver
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove SPI, add UART comm

Browse Source
This commit is contained in:
𝑀𝒶𝓇𝒾𝓈𝒶
2023-10-29 20:55:35 -03:00
parent fa65606692
commit 8acd6a736e
14 changed files with 7463 additions and 4894 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
Core/Src/TCD1304.c
View File

@@ -13,8 +13,9 @@
extern ADC_HandleTypeDef hadc1;
extern DMA_HandleTypeDef hdma_adc1;
extern SPI_HandleTypeDef hspi1;
extern DMA_HandleTypeDef hdma_spi1_rx;
extern UART_HandleTypeDef huart1;
extern DMA_HandleTypeDef hdma_usart1_rx;
extern DMA_HandleTypeDef hdma_usart1_tx;
extern TIM_HandleTypeDef htim2;
extern TIM_HandleTypeDef htim3;
@@ -24,11 +25,11 @@ extern TIM_HandleTypeDef htim5;
extern void init_icg_sh();
extern void init_adc_tim();
#define CCDBuffer 3694
volatile uint16_t CCDPixelBuffer[CCDBuffer];
#define SPIRxBufferSize CCDBuffer * 2
uint8_t SPIRxBuffer[SPIRxBufferSize] = { 0 };
#define CCDBufSz 3694
#define CommTxBufSz CCDBufSz * 2 + sizeof(CCDCmd_t)
#define CommRxBufSz 16
uint8_t CommRxBuf[CommRxBufSz] = { 0 };
uint8_t CommTxBuf[CommTxBufSz] = { 0 };
int curr_reading = 0;
int flushed = 0;
@@ -38,6 +39,7 @@ CCDConfig_t ccd_config;
void tcd1304_flush();
void tcd1304_config_icg_sh();
void tcd1304_stop_timers();
void tcd1304_transmit_cmd(CCDCmd_t *cmd);
void tcd1304_set_config(CCDConfig_t *cfg) {
tcd1304_flush();
@@ -55,8 +57,7 @@ void tcd1304_setup() {
ccd_config.icg_period = 630000;
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1); //PA6 - fM
HAL_SPI_Receive_DMA(&hspi1, SPIRxBuffer, SPIRxBufferSize);
HAL_UART_Receive_DMA(&huart1, CommRxBuf, CommRxBufSz);
}
void tcd1304_loop() {
@@ -97,6 +98,11 @@ void tcd1304_stop_timers() {
HAL_TIM_Base_Stop(&htim5);
}
void tcd1304_transmit_cmd(CCDCmd_t *cmd) {
HAL_UART_Transmit_DMA(&huart1, (uint8_t*) cmd, cmd->len + sizeof(CCDCmd_t));
HAL_UART_Receive_DMA(&huart1, CommRxBuf, CommRxBufSz);
}
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
if (htim != &htim2)
return;
@@ -106,22 +112,52 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
if (curr_reading == 6) {
init_adc_tim();
HAL_ADC_Start_DMA(&hadc1, (uint32_t*) CCDPixelBuffer, CCDBuffer);
HAL_ADC_Start_DMA(&hadc1, (uint32_t*) (CommTxBuf + sizeof(CCDCmd_t)),
CCDBufSz);
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_4); //ADC
}
curr_reading++;
}
void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi) {
HAL_SPI_Receive_DMA(hspi, SPIRxBuffer, SPIRxBufferSize);
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {
if (huart != &huart1)
return;
uint8_t *buf = SPIRxBuffer;
memset(CommTxBuf, 0, CommTxBufSz);
while (!*(uint16_t*) (buf++) == 0x1304)
;
CCDCmd_t *response = (CCDCmd_t*) CommTxBuf;
CCDCmd_t *cmd = (CCDCmd_t*) CommRxBuf;
int idx = 0;
update_config = (CCDConfig_t*) (SPIRxBuffer + 2);
response->magic = MAGIC;
response->type = cmd->type;
while (idx++ < CommRxBufSz - 2 && cmd->magic != MAGIC)
((uint8_t*) cmd++);
if (idx >= CommRxBufSz - 2) {
cmd = (CCDCmd_t*) CommRxBuf;
cmd->type = -1;
}
switch (cmd->type) {
case CCDMSG_CFG:
update_config = (CCDConfig_t*) cmd->data;
memcpy(response->data, "kk eae men", 10);
response->len = 10;
break;
default:
response->type = -1;
memcpy(response->data, "error :(", 8);
response->len = 8;
break;
}
// HAL_SPI_Transmit_DMA(&hspi1, SPITxBuffer, SPIRxBufferSize);
tcd1304_transmit_cmd(response);
__asm__("nop");
}
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc) {
@@ -133,7 +169,13 @@ void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc) {
// if (!received)
// return;
//
HAL_SPI_Transmit_DMA(&hspi1, (uint8_t*) CCDPixelBuffer, CCDBuffer * 2);
CCDCmd_t *cmd = (CCDCmd_t*) CommTxBuf;
cmd->magic = MAGIC;
cmd->type = CCDMSG_READ;
cmd->len = CCDBufSz * 2;
tcd1304_stop_timers();
tcd1304_transmit_cmd(cmd);
}
void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef *hadc) {