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spi: update examples to use the new GDMA driver

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This commit is contained in:
Marius Vikhammer 2021-04-15 14:41:01 +08:00 committed by bot
parent 353f493f22
commit b5b49eba82
4 changed files with 8 additions and 20 deletions
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7
examples/peripherals/spi_master/hd_eeprom/main/spi_eeprom_main.c
View File

@ -26,14 +26,12 @@
#ifdef CONFIG_IDF_TARGET_ESP32
# ifdef CONFIG_EXAMPLE_USE_SPI1_PINS
# define EEPROM_HOST SPI1_HOST
# define DMA_CHAN 0
// Use default pins, same as the flash chip.
# define PIN_NUM_MISO 7
# define PIN_NUM_MOSI 8
# define PIN_NUM_CLK 6
# else
# define EEPROM_HOST HSPI_HOST
# define DMA_CHAN 2
# define PIN_NUM_MISO 18
# define PIN_NUM_MOSI 23
# define PIN_NUM_CLK 19
@ -42,7 +40,6 @@
# define PIN_NUM_CS 13
#elif defined CONFIG_IDF_TARGET_ESP32S2
# define EEPROM_HOST SPI2_HOST
# define DMA_CHAN EEPROM_HOST
# define PIN_NUM_MISO 37
# define PIN_NUM_MOSI 35
@ -50,7 +47,6 @@
# define PIN_NUM_CS 34
#elif defined CONFIG_IDF_TARGET_ESP32C3
# define EEPROM_HOST SPI2_HOST
# define DMA_CHAN EEPROM_HOST
# define PIN_NUM_MISO 2
# define PIN_NUM_MOSI 7
@ -58,6 +54,7 @@
# define PIN_NUM_CS 10
#endif
static const char TAG[] = "main";
void app_main(void)
@ -74,7 +71,7 @@ void app_main(void)
.max_transfer_sz = 32,
};
//Initialize the SPI bus
ret = spi_bus_initialize(EEPROM_HOST, &buscfg, DMA_CHAN);
ret = spi_bus_initialize(EEPROM_HOST, &buscfg, SPI_DMA_CH_AUTO);
ESP_ERROR_CHECK(ret);
#else
ESP_LOGI(TAG, "Attach to main flash bus...");

9
examples/peripherals/spi_master/lcd/main/spi_master_example_main.c
View File

@ -30,7 +30,6 @@
#ifdef CONFIG_IDF_TARGET_ESP32
#define LCD_HOST HSPI_HOST
#define DMA_CHAN 2
#define PIN_NUM_MISO 25
#define PIN_NUM_MOSI 23
@ -42,7 +41,6 @@
#define PIN_NUM_BCKL 5
#elif defined CONFIG_IDF_TARGET_ESP32S2
#define LCD_HOST SPI2_HOST
#define DMA_CHAN LCD_HOST
#define PIN_NUM_MISO 37
#define PIN_NUM_MOSI 35
@ -54,7 +52,6 @@
#define PIN_NUM_BCKL 6
#elif defined CONFIG_IDF_TARGET_ESP32C3
#define LCD_HOST SPI2_HOST
#define DMA_CHAN LCD_HOST
#define PIN_NUM_MISO 2
#define PIN_NUM_MOSI 7
@ -62,8 +59,8 @@
#define PIN_NUM_CS 10
#define PIN_NUM_DC 9
#define PIN_NUM_RST 18
#define PIN_NUM_BCKL 19
#define PIN_NUM_RST 4
#define PIN_NUM_BCKL 5
#endif
//To speed up transfers, every SPI transfer sends a bunch of lines. This define specifies how many. More means more memory use,
@ -439,7 +436,7 @@ void app_main(void)
.pre_cb=lcd_spi_pre_transfer_callback, //Specify pre-transfer callback to handle D/C line
};
//Initialize the SPI bus
ret=spi_bus_initialize(LCD_HOST, &buscfg, DMA_CHAN);
ret=spi_bus_initialize(LCD_HOST, &buscfg, SPI_DMA_CH_AUTO);
ESP_ERROR_CHECK(ret);
//Attach the LCD to the SPI bus
ret=spi_bus_add_device(LCD_HOST, &devcfg, &spi);

5
examples/peripherals/spi_slave/receiver/main/app_main.c
View File

@ -68,15 +68,12 @@ Pins in use. The SPI Master can use the GPIO mux, so feel free to change these i
#ifdef CONFIG_IDF_TARGET_ESP32
#define RCV_HOST HSPI_HOST
#define DMA_CHAN 2
#elif defined CONFIG_IDF_TARGET_ESP32S2
#define RCV_HOST SPI2_HOST
#define DMA_CHAN RCV_HOST
#elif defined CONFIG_IDF_TARGET_ESP32C3
#define RCV_HOST SPI2_HOST
#define DMA_CHAN RCV_HOST
#endif
@ -132,7 +129,7 @@ void app_main(void)
gpio_set_pull_mode(GPIO_CS, GPIO_PULLUP_ONLY);
//Initialize SPI slave interface
ret=spi_slave_initialize(RCV_HOST, &buscfg, &slvcfg, DMA_CHAN);
ret=spi_slave_initialize(RCV_HOST, &buscfg, &slvcfg, SPI_DMA_CH_AUTO);
assert(ret==ESP_OK);
WORD_ALIGNED_ATTR char sendbuf[129]="";

7
examples/peripherals/spi_slave/sender/main/app_main.c
View File

@ -69,15 +69,12 @@ Pins in use. The SPI Master can use the GPIO mux, so feel free to change these i
#ifdef CONFIG_IDF_TARGET_ESP32
#define SENDER_HOST HSPI_HOST
#define DMA_CHAN 2
#elif defined CONFIG_IDF_TARGET_ESP32S2
#define SENDER_HOST SPI2_HOST
#define DMA_CHAN SENDER_HOST
#elif defined CONFIG_IDF_TARGET_ESP32C3
#define SENDER_HOST SPI2_HOST
#define DMA_CHAN SENDER_HOST
#define SENDER_HOST SPI2_HOST
#endif
@ -156,7 +153,7 @@ void app_main(void)
gpio_isr_handler_add(GPIO_HANDSHAKE, gpio_handshake_isr_handler, NULL);
//Initialize the SPI bus and add the device we want to send stuff to.
ret=spi_bus_initialize(SENDER_HOST, &buscfg, DMA_CHAN);
ret=spi_bus_initialize(SENDER_HOST, &buscfg, SPI_DMA_CH_AUTO);
assert(ret==ESP_OK);
ret=spi_bus_add_device(SENDER_HOST, &devcfg, &handle);
assert(ret==ESP_OK);