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works, but still have a lot of bugzzz

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This commit is contained in:
Edward Emelianov
2023-04-29 16:35:43 +03:00
parent 3c7687bb0e
commit 7fa84cb0ef
14 changed files with 138 additions and 67 deletions
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43
F3:F303/Seven_CDCs/usart.c
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@@ -17,7 +17,9 @@
*/
#include "stm32f3.h"
#include "debug.h"
#include "hardware.h"
#include "strfunc.h"
#include "usart.h"
#include "usb.h"
#include <string.h>
@@ -31,12 +33,12 @@ volatile int linerdy = 0, // received data ready
bufovr = 0; // input buffer overfull
// USARTs speeds
static usb_LineCoding lineCodings[USARTSNO+1] = {
{115200, USB_CDC_1_STOP_BITS, USB_CDC_NO_PARITY, 8}, {0}};
{9600, USB_CDC_1_STOP_BITS, USB_CDC_NO_PARITY, 8}, {0}};
usb_LineCoding *getLineCoding(int ifNo){
int usartNo = ifNo - USART1_EPNO + 1;
if(usartNo < 1 || usartNo > USARTSNO) return lineCodings;
return & lineCodings[usartNo];
return &lineCodings[usartNo];
// TODO: fixme for different settings
//lineCoding.dwDTERate = speeds[usartNo];
//lineCoding.bCharFormat = USB_CDC_1_STOP_BITS;
@@ -44,14 +46,14 @@ usb_LineCoding *getLineCoding(int ifNo){
//lineCoding.bDataBits = 8;
}
void usart_putchar(uint8_t ch){
while(!(USART1->ISR & USART_ISR_TXE));
USART1->TDR = ch;
static void usart_putchar(int no, uint8_t ch){
while(!(USARTx[no]->ISR & USART_ISR_TXE));
USARTx[no]->TDR = ch;
}
void usart_sendn(const uint8_t *str, int L){
if(!str || L < 0) return;
void usart_sendn(int no, const uint8_t *str, int L){
if(!str || L < 0 || no < 1 || no > USARTSNO) return;
for(int i = 0; i < L; ++i){
usart_putchar(str[i]);
usart_putchar(no, str[i]);
}
}
@@ -60,17 +62,21 @@ void usarts_setup(){
// clock
RCC->APB1ENR |= RCC_APB1ENR_USART2EN | RCC_APB1ENR_USART3EN;
RCC->APB2ENR |= RCC_APB2ENR_USART1EN;
for(int i = USART1_IDX; i <= USART3_IDX; ++i)
usart_config(i, lineCodings);
NVIC_EnableIRQ(USART1_IRQn);
NVIC_EnableIRQ(USART2_IRQn);
NVIC_EnableIRQ(USART3_IRQn);
}
void usart_config(uint8_t ifNo, usb_LineCoding *lc){
int usartNo = ifNo - USART1_EPNO + 1;
int usartNo = ifNo - USART1_IDX + 1;
if(usartNo < 1 || usartNo > USARTSNO) return;
DBGmesg("setup USART"); DBGmesg(u2str(usartNo)); DBGnl();
lineCodings[usartNo] = *lc;
// FIXME: change also parity and so on
volatile USART_TypeDef *U = USARTx[usartNo];
U->CR1 = 0; // disable for reconfigure
U->ICR = 0xffffffff; // clear all flags
U->BRR = SysFreq / lc->dwDTERate;
U->CR1 = USART_CR1_TE | USART_CR1_RE | USART_CR1_UE | USART_CR1_RXNEIE; // 1start,8data,nstop; enable Rx,Tx,USART
@@ -81,8 +87,25 @@ void usart_config(uint8_t ifNo, usb_LineCoding *lc){
void usart1_exti25_isr(){
if(USART1->ISR & USART_ISR_RXNE){ // RX not emty - receive next char
DBG("got\n");
// read RDR clears flag
uint8_t rb = USART1->RDR;
USB_putbyte(1, rb);
USB_putbyte(USART1_IDX, rb);
}
}
void usart2_exti26_isr(){
if(USART2->ISR & USART_ISR_RXNE){
DBG("got\n");
uint8_t rb = USART2->RDR;
USB_putbyte(USART2_IDX, rb);
}
}
void usart3_exti28_isr(){
if(USART3->ISR & USART_ISR_RXNE){
DBG("got\n");
uint8_t rb = USART3->RDR;
USB_putbyte(USART3_IDX, rb);
}
}