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examples: support spi master examples on esp32cxx

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This commit is contained in:
wanlei 2022-10-19 16:58:32 +08:00
parent eee7b4cbfc
commit 7a91b77329
5 changed files with 24 additions and 34 deletions
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12
examples/peripherals/.build-test-rules.yml
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@ -132,18 +132,6 @@ examples/peripherals/sigma_delta:
disable:
- if: SOC_SDM_SUPPORTED != 1
examples/peripherals/spi_master/hd_eeprom:
disable:
- if: IDF_TARGET == "esp32c2"
temporary: true
reason: target esp32c2 is not supported yet
examples/peripherals/spi_master/lcd:
enable:
- if: IDF_TARGET in ["esp32", "esp32c3", "esp32s2"]
temporary: true
reason: the other targets are not tested yet
examples/peripherals/spi_slave_hd/append_mode/slave:
enable:
- if: IDF_TARGET == "esp32s2"

24
examples/peripherals/spi_master/hd_eeprom/README.md
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@ -1,5 +1,5 @@
| Supported Targets | ESP32 | ESP32-C3 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- |
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- |
## SPI master half duplex EEPROM example
@ -11,16 +11,16 @@
For different chip and host used, the connections may be different.
| | ESP32 | ESP32 | ESP32S2 | ESP32C3 | ESP32S3 |
| ---- | ----- | ----- | ------- | ------- | ------- |
| Host | SPI1 | HSPI | FSPI | SPI2 | SPI2 |
| VCC | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| GND | GND | GND | GND | GND | GND |
| DO | 7 | 18 | 37 | 2 | 13 |
| DI | 8 | 23 | 35 | 7 | 11 |
| SK | 6 | 19 | 36 | 6 | 12 |
| CS | 13 | 13 | 34 | 10 | 10 |
| ORG | GND | GND | GND | GND | GND |
| | ESP32 | ESP32 | ESP32S2 | ESP32C2 | ESP32C3 | ESP32S3 |
| ---- | ----- | ----- | ------- | ------- | ------- | ------- |
| Host | SPI1 | HSPI | SPI2 | SPI2 | SPI2 | SPI2 |
| VCC | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| GND | GND | GND | GND | GND | GND | GND |
| DO | 7 | 18 | 37 | 2 | 2 | 13 |
| DI | 8 | 23 | 35 | 7 | 7 | 11 |
| SK | 6 | 19 | 36 | 6 | 6 | 12 |
| CS | 13 | 13 | 34 | 10 | 10 | 10 |
| ORG | GND | GND | GND | GND | GND | GND |
### Notes

2
examples/peripherals/spi_master/hd_eeprom/main/spi_eeprom_main.c
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@ -45,7 +45,7 @@
# define PIN_NUM_MOSI 35
# define PIN_NUM_CLK 36
# define PIN_NUM_CS 34
#elif defined CONFIG_IDF_TARGET_ESP32C3
#elif defined CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
# define EEPROM_HOST SPI2_HOST
# define PIN_NUM_MISO 2

4
examples/peripherals/spi_master/lcd/README.md
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@ -1,5 +1,5 @@
| Supported Targets | ESP32 | ESP32-C3 | ESP32-S2 |
| ----------------- | ----- | -------- | -------- |
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- |
# SPI Host Driver Example

14
examples/peripherals/spi_master/lcd/main/spi_master_example_main.c
View File

@ -40,18 +40,18 @@
#define PIN_NUM_DC 21
#define PIN_NUM_RST 18
#define PIN_NUM_BCKL 5
#elif defined CONFIG_IDF_TARGET_ESP32S2
#elif defined CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
#define LCD_HOST SPI2_HOST
#define PIN_NUM_MISO 37
#define PIN_NUM_MOSI 35
#define PIN_NUM_CLK 36
#define PIN_NUM_CS 34
#define PIN_NUM_CS 45
#define PIN_NUM_DC 4
#define PIN_NUM_RST 5
#define PIN_NUM_BCKL 6
#elif defined CONFIG_IDF_TARGET_ESP32C3
#elif defined CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
#define LCD_HOST SPI2_HOST
#define PIN_NUM_MISO 2
@ -258,9 +258,11 @@ void lcd_init(spi_device_handle_t spi)
const lcd_init_cmd_t* lcd_init_cmds;
//Initialize non-SPI GPIOs
gpio_set_direction(PIN_NUM_DC, GPIO_MODE_OUTPUT);
gpio_set_direction(PIN_NUM_RST, GPIO_MODE_OUTPUT);
gpio_set_direction(PIN_NUM_BCKL, GPIO_MODE_OUTPUT);
gpio_config_t io_conf = {};
io_conf.pin_bit_mask = ((1ULL<<PIN_NUM_DC) | (1ULL<<PIN_NUM_RST) | (1ULL<<PIN_NUM_BCKL));
io_conf.mode = GPIO_MODE_OUTPUT;
io_conf.pull_up_en = true;
gpio_config(&io_conf);
//Reset the display
gpio_set_level(PIN_NUM_RST, 0);