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USART tx length fix, some experiments with cpp string manip

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Moritz Martinius
2024-12-16 12:29:13 +01:00
parent 7b7e783d68
commit 17099b0047
4 changed files with 39 additions and 96 deletions
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10
Core/Src/usart.cpp
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@@ -21,7 +21,7 @@ Usart::Usart(USART_TypeDef* usart, uint32_t baudRate, uint32_t wordLength, uint3
.OverSampling = overSampling}} {}
bool Usart::init() {
GPIO_InitTypeDef GPIO_InitStruct = {0};
GPIO_InitTypeDef GPIO_InitStruct;
if (mHandle.Instance == USART2) {
// USART2 clock enable
__HAL_RCC_USART2_CLK_ENABLE();
@@ -61,8 +61,12 @@ void Usart::println(const std::string_view str) {
void Usart::tx(const std::string_view range) {
for (uint32_t pt{0}; pt <= range.size(); pt += TX_BUFSIZE) {
HAL_UART_Transmit(&mHandle, reinterpret_cast<const uint8_t*>(range.begin() + pt),
TX_BUFSIZE, TX_TIMEOUT_MS);
uint8_t txLen{TX_BUFSIZE};
if (range.length() < TX_BUFSIZE) {
txLen = range.length();
}
HAL_UART_Transmit(&mHandle, reinterpret_cast<const uint8_t*>(range.begin() + pt), txLen,
TX_TIMEOUT_MS);
}
};