spi: added transaction length check to refuse longer than hardware supported length

This commit is contained in:
Armando 2023-04-14 11:43:38 +08:00
parent 1438d9a02c
commit ea10aac4f0
8 changed files with 23 additions and 7 deletions

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@ -123,6 +123,7 @@ We have two bits to control the interrupt:
#include "soc/soc_memory_layout.h"
#include "driver/gpio.h"
#include "hal/spi_hal.h"
#include "hal/spi_ll.h"
#include "esp_heap_caps.h"
@ -803,6 +804,14 @@ static SPI_MASTER_ISR_ATTR esp_err_t check_trans_valid(spi_device_handle_t handl
//Dummy phase is not available when both data out and in are enabled, regardless of FD or HD mode.
SPI_CHECK(!tx_enabled || !rx_enabled || !dummy_enabled || !extra_dummy_enabled, "Dummy phase is not available when both data out and in are enabled", ESP_ERR_INVALID_ARG);
if (bus_attr->dma_enabled) {
SPI_CHECK(trans_desc->length <= SPI_LL_DMA_MAX_BIT_LEN, "txdata transfer > hardware max supported len", ESP_ERR_INVALID_ARG);
SPI_CHECK(trans_desc->rxlength <= SPI_LL_DMA_MAX_BIT_LEN, "rxdata transfer > hardware max supported len", ESP_ERR_INVALID_ARG);
} else {
SPI_CHECK(trans_desc->length <= SPI_LL_CPU_MAX_BIT_LEN, "txdata transfer > hardware max supported len", ESP_ERR_INVALID_ARG);
SPI_CHECK(trans_desc->rxlength <= SPI_LL_CPU_MAX_BIT_LEN, "rxdata transfer > hardware max supported len", ESP_ERR_INVALID_ARG);
}
return ESP_OK;
}

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@ -39,7 +39,8 @@ extern "C" {
#define HAL_SPI_SWAP_DATA_TX(data, len) HAL_SWAP32((uint32_t)(data) << (32 - len))
#define SPI_LL_GET_HW(ID) ((ID)==0? &SPI1:((ID)==1? &SPI2 : &SPI3))
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 24)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 24) //reg len: 24 bits
#define SPI_LL_CPU_MAX_BIT_LEN (16 * 32) //Fifo len: 16 words
/**
* The data structure holding calculated clock configuration. Since the

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@ -38,7 +38,8 @@ extern "C" {
#define HAL_SPI_SWAP_DATA_TX(data, len) HAL_SWAP32((uint32_t)(data) << (32 - len))
#define SPI_LL_GET_HW(ID) ((ID)==0? ({abort();NULL;}):&GPSPI2)
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 18)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 18) //reg len: 18 bits
#define SPI_LL_CPU_MAX_BIT_LEN (16 * 32) //Fifo len: 16 words
/**
* The data structure holding calculated clock configuration. Since the

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@ -38,7 +38,8 @@ extern "C" {
#define HAL_SPI_SWAP_DATA_TX(data, len) HAL_SWAP32((uint32_t)(data) << (32 - len))
#define SPI_LL_GET_HW(ID) ((ID)==0? ({abort();NULL;}):&GPSPI2)
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 18)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 18) //reg len: 18 bits
#define SPI_LL_CPU_MAX_BIT_LEN (16 * 32) //Fifo len: 16 words
/**
* The data structure holding calculated clock configuration. Since the

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@ -39,7 +39,8 @@ extern "C" {
#define HAL_SPI_SWAP_DATA_TX(data, len) HAL_SWAP32((uint32_t)(data) << (32 - len))
#define SPI_LL_GET_HW(ID) ((ID)==0? ({abort();NULL;}):&GPSPI2)
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 18)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 18) //reg len: 18 bits
#define SPI_LL_CPU_MAX_BIT_LEN (16 * 32) //Fifo len: 16 words
/**
* The data structure holding calculated clock configuration. Since the

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@ -41,7 +41,8 @@ extern "C" {
#define SPI_LL_PERIPH_CLK_FREQ (80 * 1000000)
#define SPI_LL_GET_HW(ID) ((ID)==0? ({abort();NULL;}):&GPSPI2)
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 18)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 18) //reg len: 18 bits
#define SPI_LL_CPU_MAX_BIT_LEN (16 * 32) //Fifo len: 16 words
/**
* The data structure holding calculated clock configuration. Since the

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@ -41,7 +41,8 @@ extern "C" {
#define HAL_SPI_SWAP_DATA_TX(data, len) HAL_SWAP32((uint32_t)(data) << (32 - len))
#define SPI_LL_GET_HW(ID) ((ID)==0? ({abort();NULL;}):((ID)==1? &GPSPI2 : &GPSPI3))
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 23)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 23) //reg len: 23 bits
#define SPI_LL_CPU_MAX_BIT_LEN (18 * 32) //Fifo len: 18 words
/**
* The data structure holding calculated clock configuration. Since the

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@ -40,7 +40,8 @@ extern "C" {
#define HAL_SPI_SWAP_DATA_TX(data, len) HAL_SWAP32((uint32_t)(data) << (32 - len))
#define SPI_LL_GET_HW(ID) ((ID)==0? ({abort();NULL;}):((ID)==1? &GPSPI2 : &GPSPI3))
#define SPI_LL_DATA_MAX_BIT_LEN (1 << 18)
#define SPI_LL_DMA_MAX_BIT_LEN (1 << 18) //reg len: 18 bits
#define SPI_LL_CPU_MAX_BIT_LEN (16 * 32) //Fifo len: 16 words
/**
* The data structure holding calculated clock configuration. Since the